Attachment 152082 Details for Bug 183055 – added basic support for the OR'in of constraints

[patch] added basic support for the OR'in of constraints

editing_patch.txt (text/plain), 278.16 KB, created by Ovidio Mallo

on 2009-11-12 13:13:26 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Ovidio Mallo

Created: 2009-11-12 13:13:26 EST

Size: 278.16 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.jface.tests.databinding
>Index: src/org/eclipse/core/tests/internal/databinding/BindingMessagesTest.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jface.tests.databinding/src/org/eclipse/core/tests/internal/databinding/BindingMessagesTest.java,v
>retrieving revision 1.1
>diff -u -r1.1 BindingMessagesTest.java
>--- src/org/eclipse/core/tests/internal/databinding/BindingMessagesTest.java	1 Apr 2007 20:58:10 -0000	1.1
>+++ src/org/eclipse/core/tests/internal/databinding/BindingMessagesTest.java	12 Nov 2009 18:08:09 -0000
>@@ -12,6 +12,7 @@
> *
> * Contributors:
> * IBM Corporation - initial API and implementation
>+ * Ovidio Mallo - bug 183055
> ******************************************************************************/
> 
> /**
>@@ -21,13 +22,13 @@
> public class BindingMessagesTest extends TestCase {
> 	public void testFormatString() throws Exception {
> 		String key = "Validate_NumberOutOfRangeError";
>-		String result = BindingMessages.formatString(key, new Object[] {"1", "2"});
>+		String result = BindingMessages.getFormattedString(key, new Object[] {"1", "2"});
> 		assertFalse("key should not be returned", key.equals(result));
> 	}
> 	
> 	public void testFormatStringForKeyNotFound() throws Exception {
> 		String key = "key_that_does_not_exist";
>-		String result = BindingMessages.formatString(key, null);
>+		String result = BindingMessages.getFormattedString(key, null);
> 		assertTrue(key.equals(result));
> 	}
> }
>#P org.eclipse.core.databinding
>Index: src/org/eclipse/core/internal/databinding/conversion/StringToNumberParser.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/StringToNumberParser.java,v
>retrieving revision 1.6
>diff -u -r1.6 StringToNumberParser.java
>--- src/org/eclipse/core/internal/databinding/conversion/StringToNumberParser.java	28 Oct 2008 19:54:39 -0000	1.6
>+++ src/org/eclipse/core/internal/databinding/conversion/StringToNumberParser.java	12 Nov 2009 18:08:11 -0000
>@@ -7,6 +7,7 @@
> *
> * Contributors:
> * IBM Corporation - initial API and implementation
>+ * Ovidio Mallo - bug 183055
> *******************************************************************************/
> 
> package org.eclipse.core.internal.databinding.conversion;
>@@ -115,11 +116,11 @@
> 				.getErrorIndex() : position.getIndex();
> 
> 		if (errorIndex < value.length()) {
>-			return BindingMessages.formatString(BindingMessages.VALIDATE_NUMBER_PARSE_ERROR,
>+			return BindingMessages.getFormattedString(BindingMessages.VALIDATE_NUMBER_PARSE_ERROR,
> 					new Object[] { value, new Integer(errorIndex + 1),
> 							new Character(value.charAt(errorIndex)) });
> 		}
>-		return BindingMessages.formatString(BindingMessages.VALIDATE_NUMBER_PARSE_ERROR_NO_CHARACTER,
>+		return BindingMessages.getFormattedString(BindingMessages.VALIDATE_NUMBER_PARSE_ERROR_NO_CHARACTER,
> 				new Object[] { value, new Integer(errorIndex + 1) });
> 	}
> 
>@@ -133,6 +134,22 @@
> 	 */
> 	public static String createOutOfRangeMessage(Number minValue,
> 			Number maxValue, NumberFormat numberFormat) {
>+		return createOutOfRangeMessage(
>+				BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_OUT_OF_RANGE_ERROR), minValue, maxValue, numberFormat);
>+	}
>+
>+	/**
>+	 * Formats an appropriate message for an out of range error.
>+	 * 
>+	 * @param message
>+	 * @param minValue
>+	 * @param maxValue
>+	 * @param numberFormat
>+	 * when accessed method synchronizes on instance
>+	 * @return message
>+	 */
>+	public static String createOutOfRangeMessage(String message,
>+			Number minValue, Number maxValue, NumberFormat numberFormat) {
> 		String min = null;
> 		String max = null;
> 
>@@ -141,8 +158,8 @@
> 			max = numberFormat.format(maxValue);
> 		}
> 
>-		return BindingMessages.formatString(
>-				"Validate_NumberOutOfRangeError", new Object[] { min, max }); //$NON-NLS-1$
>+		return BindingMessages.formatMessage(message, new Object[] { min,
>+				max });
> 	}
> 
> 	/**
>Index: src/org/eclipse/core/internal/databinding/conversion/StringToBooleanPrimitiveConverter.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/StringToBooleanPrimitiveConverter.java,v
>retrieving revision 1.4
>diff -u -r1.4 StringToBooleanPrimitiveConverter.java
>--- src/org/eclipse/core/internal/databinding/conversion/StringToBooleanPrimitiveConverter.java	25 May 2009 20:52:20 -0000	1.4
>+++ src/org/eclipse/core/internal/databinding/conversion/StringToBooleanPrimitiveConverter.java	12 Nov 2009 18:08:11 -0000
>@@ -9,6 +9,7 @@
> * Contributors:
> * db4objects - Initial API and implementation
> * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940
>+ * Ovidio Mallo - bug 183055
> */
> package org.eclipse.core.internal.databinding.conversion;
> 
>@@ -24,19 +25,22 @@
> * StringToBooleanPrimitiveConverter.
> */
> public class StringToBooleanPrimitiveConverter implements IConverter {
>-	private static final String[] trueValues;
> 
>-	private static final String[] falseValues;
>+	private static final String[] DEFAULT_TRUE_VALUES;
>+	private static final String[] DEFAULT_FALSE_VALUES;
> 
> 	static {
> 		String delimiter = BindingMessages.getString(BindingMessages.VALUE_DELIMITER);
> 		String values = BindingMessages.getString(BindingMessages.TRUE_STRING_VALUES);
>-		trueValues = valuesToSortedArray(delimiter, values);
>+		DEFAULT_TRUE_VALUES = valuesToSortedArray(delimiter, values);
> 
> 		values = BindingMessages.getString(BindingMessages.FALSE_STRING_VALUES);
>-		falseValues = valuesToSortedArray(delimiter, values);
>+		DEFAULT_FALSE_VALUES = valuesToSortedArray(delimiter, values);
> 	}
> 
>+	private String[] trueValues = DEFAULT_TRUE_VALUES;
>+	private String[] falseValues = DEFAULT_FALSE_VALUES;
>+
> 	/**
> 	 * Returns a sorted array with all values converted to upper case.
> 	 *
>@@ -57,6 +61,33 @@
> 		return array;
> 	}
> 
>+	/**
>+	 * Sets the string values which are considered to represent a
>+	 * <code>true</code> and <code>false</code> value, respectively.
>+	 * 
>+	 * 
>+	 * Note that the capitalization of the provided strings is ignored.
>+	 * 
>+	 * 
>+	 * @param trueValues
>+	 * The set of strings representing a <code>true</code> value.
>+	 * @param falseValues
>+	 * The set of strings representing a <code>false</code> value.
>+	 */
>+	public final void setSourceStrings(String[] trueValues, String[] falseValues) {
>+		this.trueValues = new String[trueValues.length];
>+		for (int i = 0; i < trueValues.length; i++) {
>+			this.trueValues[i] = trueValues[i].toUpperCase();
>+		}
>+		Arrays.sort(this.trueValues); // for binary search
>+
>+		this.falseValues = new String[falseValues.length];
>+		for (int i = 0; i < falseValues.length; i++) {
>+			this.falseValues[i] = falseValues[i].toUpperCase();
>+		}
>+		Arrays.sort(this.falseValues); // for binary search
>+	}
>+
> 	/*
> 	 * (non-Javadoc)
> 	 *
>Index: src/org/eclipse/core/internal/databinding/conversion/DateConversionSupport.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/DateConversionSupport.java,v
>retrieving revision 1.5
>diff -u -r1.5 DateConversionSupport.java
>--- src/org/eclipse/core/internal/databinding/conversion/DateConversionSupport.java	25 May 2009 20:52:20 -0000	1.5
>+++ src/org/eclipse/core/internal/databinding/conversion/DateConversionSupport.java	12 Nov 2009 18:08:11 -0000
>@@ -10,6 +10,7 @@
> * db4objects - Initial API and implementation
> * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940
> * Matthew Hall - bug 121110
>+ * Ovidio Mallo - bug 183055
> ******************************************************************************/
> package org.eclipse.core.internal.databinding.conversion;
> 
>@@ -52,6 +53,20 @@
> 	};
> 
> 	/**
>+	 * Sets the {@link DateFormat}s to be used for parsing/formatting dates. Any
>+	 * of the supplied formats will be used for {@link #parse(String) parsing} a
>+	 * date from a string while the first format in the array will be used for
>+	 * {@link #format(Date) formatting} a date as a string.
>+	 * 
>+	 * @param formatters
>+	 * The {@link DateFormat}s to be used for parsing/formatting
>+	 * dates.
>+	 */
>+	public final void setFormatters(DateFormat[] formatters) {
>+		this.formatters = formatters;
>+	}
>+
>+	/**
> 	 * Tries all available formatters to parse the given string according to the
> 	 * default locale or as a raw millisecond value and returns the result of the
> 	 * first successful run.
>Index: src/org/eclipse/core/databinding/UpdateStrategy.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/databinding/UpdateStrategy.java,v
>retrieving revision 1.17
>diff -u -r1.17 UpdateStrategy.java
>--- src/org/eclipse/core/databinding/UpdateStrategy.java	25 May 2009 20:52:19 -0000	1.17
>+++ src/org/eclipse/core/databinding/UpdateStrategy.java	12 Nov 2009 18:08:11 -0000
>@@ -9,6 +9,7 @@
> * IBM Corporation - initial API and implementation
> * Matt Carter - bug 180392
> * - bug 197679 (Character support completed)
>+ * Ovidio Mallo - bug 183055
> *******************************************************************************/
> 
> package org.eclipse.core.databinding;
>@@ -24,6 +25,7 @@
> import org.eclipse.core.databinding.util.Policy;
> import org.eclipse.core.internal.databinding.ClassLookupSupport;
> import org.eclipse.core.internal.databinding.Pair;
>+import org.eclipse.core.internal.databinding.conversion.BooleanToStringConverter;
> import org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter;
> import org.eclipse.core.internal.databinding.conversion.IdentityConverter;
> import org.eclipse.core.internal.databinding.conversion.IntegerToStringConverter;
>@@ -35,7 +37,6 @@
> import org.eclipse.core.internal.databinding.conversion.NumberToIntegerConverter;
> import org.eclipse.core.internal.databinding.conversion.NumberToLongConverter;
> import org.eclipse.core.internal.databinding.conversion.NumberToShortConverter;
>-import org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter;
> import org.eclipse.core.internal.databinding.conversion.StringToByteConverter;
> import org.eclipse.core.internal.databinding.conversion.StringToCharacterConverter;
> import org.eclipse.core.internal.databinding.conversion.StringToShortConverter;
>@@ -307,7 +308,7 @@
> 							new Pair(BOOLEAN_CLASS, "java.lang.Boolean"), new IdentityConverter(Boolean.class, Boolean.class)); //$NON-NLS-1$
> 			converterMap
> 					.put(
>-							new Pair(BOOLEAN_CLASS, "java.lang.String"), new ObjectToStringConverter(Boolean.class)); //$NON-NLS-1$
>+							new Pair(BOOLEAN_CLASS, "java.lang.String"), new BooleanToStringConverter(Boolean.class)); //$NON-NLS-1$
> 			converterMap
> 					.put(
> 							new Pair(BOOLEAN_CLASS, "java.lang.Object"), new IdentityConverter(Boolean.class, Object.class)); //$NON-NLS-1$
>Index: src/org/eclipse/core/internal/databinding/validation/StringToDateValidator.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/StringToDateValidator.java,v
>retrieving revision 1.5
>diff -u -r1.5 StringToDateValidator.java
>--- src/org/eclipse/core/internal/databinding/validation/StringToDateValidator.java	9 May 2008 14:13:00 -0000	1.5
>+++ src/org/eclipse/core/internal/databinding/validation/StringToDateValidator.java	12 Nov 2009 18:08:11 -0000
>@@ -8,6 +8,7 @@
> * Contributors:
> * IBM Corporation - initial API and implementation
> * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940
>+ * Ovidio Mallo - bug 183055
> *******************************************************************************/
> 
> package org.eclipse.core.internal.databinding.validation;
>@@ -28,6 +29,8 @@
> public class StringToDateValidator implements IValidator {
> 	private final StringToDateConverter converter;
> 
>+	private String parseErrorMessage = null;
>+
> 	/**
> 	 * @param converter
> 	 */
>@@ -35,6 +38,18 @@
> 		this.converter = converter;
> 	}
> 
>+	/**
>+	 * Sets the validation message to be used in case the source string does not
>+	 * represent a valid date.
>+	 * 
>+	 * @param message
>+	 * The validation message to be used in case the source string
>+	 * does not represent a valid date.
>+	 */
>+	public final void setParseErrorMessage(String message) {
>+		this.parseErrorMessage = message;
>+	}
>+
> 	/*
> 	 * (non-Javadoc)
> 	 *
>@@ -47,18 +62,17 @@
> 		Object convertedValue = converter.convert(value);
> 		//The StringToDateConverter returns null if it can't parse the date.
> 		if (convertedValue == null) {
>-			return ValidationStatus.error(getErrorMessage());
>+			return ValidationStatus.error(getParseErrorMessage());
> 		}
> 
> 		return Status.OK_STATUS;
> 	}
> 
>-	/*
>-	 * (non-Javadoc)
>-	 *
>-	 * @see org.eclipse.core.internal.databinding.validation.WrappedConverterValidator#getErrorMessage()
>-	 */
>-	protected String getErrorMessage() {
>+	private String getParseErrorMessage() {
>+		if (parseErrorMessage != null) {
>+			return parseErrorMessage;
>+		}
>+
> 		Date sampleDate = new Date();
> 
> 		// FIXME We need to use the information from the
>@@ -73,7 +87,9 @@
> 		samples.append('\'');
> 		samples.append(util.format(sampleDate, 0));
> 		samples.append('\'');
>-		return BindingMessages.getString(BindingMessages.EXAMPLES) + ": " + samples + ",..."; //$NON-NLS-1$//$NON-NLS-2$
>+		parseErrorMessage = BindingMessages.getString(BindingMessages.EXAMPLES) + ": " + samples + ",..."; //$NON-NLS-1$//$NON-NLS-2$
>+
>+		return parseErrorMessage;
> 	}
> 
> 	private static class FormatUtil extends DateConversionSupport {
>Index: src/org/eclipse/core/internal/databinding/validation/AbstractStringToNumberValidator.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/AbstractStringToNumberValidator.java,v
>retrieving revision 1.2
>diff -u -r1.2 AbstractStringToNumberValidator.java
>--- src/org/eclipse/core/internal/databinding/validation/AbstractStringToNumberValidator.java	4 Jul 2007 20:08:45 -0000	1.2
>+++ src/org/eclipse/core/internal/databinding/validation/AbstractStringToNumberValidator.java	12 Nov 2009 18:08:11 -0000
>@@ -7,12 +7,16 @@
> *
> * Contributors:
> * IBM Corporation - initial API and implementation
>+ * Ovidio Mallo - bug 183055
> ******************************************************************************/
> 
> package org.eclipse.core.internal.databinding.validation;
> 
>+import java.text.ParsePosition;
>+
> import org.eclipse.core.databinding.validation.IValidator;
> import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
> import org.eclipse.core.internal.databinding.conversion.StringToNumberParser;
> import org.eclipse.core.internal.databinding.conversion.StringToNumberParser.ParseResult;
> import org.eclipse.core.runtime.IStatus;
>@@ -31,7 +35,10 @@
> 	private final Number min;
> 	private final Number max;
> 
>-	private String outOfRangeMessage;
>+	private String parseErrorMessage;
>+
>+	private String outOfRangeMessage = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_OUT_OF_RANGE_ERROR);
>+	private String formattedOutOfRangeMessage;
> 
> 	/**
> 	 * Constructs a new instance.
>@@ -55,6 +62,34 @@
> 	}
> 
> 	/**
>+	 * Sets the validation message pattern to be used in case the source string
>+	 * does not represent a valid number.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern to be used in case the source
>+	 * string does not represent a valid number.
>+	 */
>+	public final void setParseErrorMessage(String message) {
>+		this.parseErrorMessage = message;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern to be used in case the parsed number
>+	 * lies outside the value range supported by the number type associated to
>+	 * this validator.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern to be used in case the parsed
>+	 * number lies outside the supported value range. Can be
>+	 * parameterized by the <code>Integer.MIN_VALUE</code> and
>+	 * <code>Integer.MAX_VALUE</code> values.
>+	 */
>+	public final void setOutOfRangeMessage(String message) {
>+		this.outOfRangeMessage = message;
>+		this.formattedOutOfRangeMessage = null;
>+	}
>+
>+	/**
> 	 * Validates the provided <code>value</code>. An error status is returned if:
> 	 * <ul>
> 	 * <li>The value cannot be parsed.</li>
>@@ -69,16 +104,10 @@
> 
> 		if (result.getNumber() != null) {
> 			if (!isInRange(result.getNumber())) {
>-				if (outOfRangeMessage == null) {
>-					outOfRangeMessage = StringToNumberParser
>-							.createOutOfRangeMessage(min, max, converter
>-									.getNumberFormat());
>-				}
>-
>-				return ValidationStatus.error(outOfRangeMessage);
>+				return ValidationStatus.error(getFormattedOutOfRangeMessage());
> 			}
> 		} else if (result.getPosition() != null) {
>-			String parseErrorMessage = StringToNumberParser.createParseErrorMessage(
>+			String parseErrorMessage = createParseErrorMessage(
> 					(String) value, result.getPosition());
> 
> 			return ValidationStatus.error(parseErrorMessage);
>@@ -94,4 +123,22 @@
> 	 * @return <code>true</code> if in range
> 	 */
> 	protected abstract boolean isInRange(Number number);
>+
>+	private String createParseErrorMessage(String input,
>+			ParsePosition parsePosition) {
>+		if (parseErrorMessage == null) {
>+			return StringToNumberParser.createParseErrorMessage(input,
>+					parsePosition);
>+		}
>+		return parseErrorMessage;
>+	}
>+
>+	private String getFormattedOutOfRangeMessage() {
>+		if (formattedOutOfRangeMessage == null) {
>+			formattedOutOfRangeMessage = StringToNumberParser
>+					.createOutOfRangeMessage(outOfRangeMessage, min, max,
>+							converter.getNumberFormat());
>+		}
>+		return formattedOutOfRangeMessage;
>+	}
> }
>Index: META-INF/MANIFEST.MF
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/META-INF/MANIFEST.MF,v
>retrieving revision 1.21
>diff -u -r1.21 MANIFEST.MF
>--- META-INF/MANIFEST.MF	25 Aug 2009 04:57:27 -0000	1.21
>+++ META-INF/MANIFEST.MF	12 Nov 2009 18:08:10 -0000
>@@ -8,7 +8,9 @@
> Bundle-Localization: plugin
> Export-Package: org.eclipse.core.databinding,
> org.eclipse.core.databinding.conversion;x-internal:=false,
>+ org.eclipse.core.databinding.editing,
> org.eclipse.core.databinding.validation;x-internal:=false,
>+ org.eclipse.core.databinding.validation.constraint,
> org.eclipse.core.internal.databinding;x-friends:="org.eclipse.core.databinding.beans",
> org.eclipse.core.internal.databinding.conversion;x-friends:="org.eclipse.jface.tests.databinding",
> org.eclipse.core.internal.databinding.validation;x-friends:="org.eclipse.jface.tests.databinding"
>Index: src/org/eclipse/core/internal/databinding/messages.properties
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/messages.properties,v
>retrieving revision 1.9
>diff -u -r1.9 messages.properties
>--- src/org/eclipse/core/internal/databinding/messages.properties	16 Apr 2008 02:51:53 -0000	1.9
>+++ src/org/eclipse/core/internal/databinding/messages.properties	12 Nov 2009 18:08:11 -0000
>@@ -43,6 +43,8 @@
> TrueStringValues=yes,true
> FalseStringValues=no,false
> 
>+Validate_InvalidBooleanString=The boolean string is invalid.
>+
> Validate_NumberOutOfRangeError=Please enter a value between [{0}] and [{1}] and with a similar format.
> Validate_NumberParseError=Invalid character for value [{0}] at position [{1}] character [{2}].
> Validate_NumberParseErrorNoCharacter=Missing character for value [{0}] at position [{1}].
>@@ -53,4 +55,37 @@
> Validate_NoChangeAllowedHelp=Changes are not allowed in this field
> Validate_CharacterHelp=Please type a character
> 
>+#NonNullValidator
>+Validate_NonNull=The value must not be empty.
>+
>+#NonEmptyStringValidator
>+Validate_NonEmptyString=The string must not be empty.
>+
>+#StringRegexValidator
>+Validate_NonStringRegex=The string must match the following pattern: {0}.
>+
>+#NumberRangeValidator
>+Validate_NumberRangeGreater=The value must be greater than {0}.
>+Validate_NumberRangeGreaterEqual=The value must be greater than or equal to {0}.
>+Validate_NumberRangeLess=The value must be less than {0}.
>+Validate_NumberRangeLessEqual=The value must be less than or equal to {0}.
>+Validate_NumberRangeWithinRange=The value must lie between {0} and {1}.
>+Validate_NumberRangePositive=The value must be positive.
>+Validate_NumberRangeNonNegative=The value must not be negative.
>+
>+#DateRangeValidator
>+Validate_DateRangeAfter=The date must be after {0}.
>+Validate_DateRangeAfterEqual=The date must be after or on {0}.
>+Validate_DateRangeBefore=The date must be before {0}.
>+Validate_DateRangeBeforeEqual=The date must be before or on {0}.
>+Validate_DateRangeWithinRange=The date must lie between {0} and {1}.
>+
>+#StringLengthValidator
>+Validate_StringLengthMin=The string must have at least {0} characters.
>+Validate_StringLengthMax=The string must not have more than {0} characters.
>+Validate_StringLengthRange=The string must have between {0} and {1} characters.
>+
>+#DecimalScaleValidator
>+Validate_DecimalMaxScale=The decimal must not have more than {0} fractional digits.
>+
> Examples=Examples
>\ No newline at end of file
>Index: src/org/eclipse/core/internal/databinding/BindingMessages.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/BindingMessages.java,v
>retrieving revision 1.6
>diff -u -r1.6 BindingMessages.java
>--- src/org/eclipse/core/internal/databinding/BindingMessages.java	9 May 2008 14:13:00 -0000	1.6
>+++ src/org/eclipse/core/internal/databinding/BindingMessages.java	12 Nov 2009 18:08:11 -0000
>@@ -8,6 +8,7 @@
> * Contributors:
> * IBM Corporation - initial API and implementation
> * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940
>+ * Ovidio Mallo - bug 183055
> *******************************************************************************/
> package org.eclipse.core.internal.databinding;
> 
>@@ -69,6 +70,11 @@
> 	public static final String FALSE_STRING_VALUES = "FalseStringValues"; //$NON-NLS-1$
> 
> 	/**
>+	 * Key to be used for a "Validate_InvalidBooleanString" message
>+	 */
>+	public static final String VALIDATE_INVALID_BOOLEAN_STRING = "Validate_InvalidBooleanString"; //$NON-NLS-1$
>+
>+	/**
> 	 * Key to be used for a "Validate_NumberOutOfRangeError" message
> 	 */
> 	public static final String VALIDATE_NUMBER_OUT_OF_RANGE_ERROR = "Validate_NumberOutOfRangeError"; //$NON-NLS-1$
>@@ -109,10 +115,105 @@
> 	public static final String VALIDATE_NUMBER_PARSE_ERROR_NO_CHARACTER = "Validate_NumberParseErrorNoCharacter"; //$NON-NLS-1$
> 
> 	/**
>+	 * Key to be used for a "Validate_NonNull" message
>+	 */
>+	public static final String VALIDATE_NON_NULL = "Validate_NonNull"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NonEmptyString" message
>+	 */
>+	public static final String VALIDATE_NON_EMPTY_STRING = "Validate_NonEmptyString"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NonStringRegex" message
>+	 */
>+	public static final String VALIDATE_STRING_REGEX = "Validate_NonStringRegex"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeGreater" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_GREATER = "Validate_NumberRangeGreater"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeGreaterEqual" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_GREATER_EQUAL = "Validate_NumberRangeGreaterEqual"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeLess" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_LESS = "Validate_NumberRangeLess"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeLessEqual" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_LESS_EQUAL = "Validate_NumberRangeLessEqual"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeWithinRange" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_WITHIN_RANGE = "Validate_NumberRangeWithinRange"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangePositive" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_POSITIVE = "Validate_NumberRangePositive"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_NumberRangeNonNegative" message
>+	 */
>+	public static final String VALIDATE_NUMBER_RANGE_NON_NEGATIVE = "Validate_NumberRangeNonNegative"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DateRangeAfter" message
>+	 */
>+	public static final String VALIDATE_DATE_RANGE_AFTER = "Validate_DateRangeAfter"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DateRangeAfterEqual" message
>+	 */
>+	public static final String VALIDATE_DATE_RANGE_AFTER_EQUAL = "Validate_DateRangeAfterEqual"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DateRangeBefore" message
>+	 */
>+	public static final String VALIDATE_DATE_RANGE_BEFORE = "Validate_DateRangeBefore"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DateRangeBeforeEqual" message
>+	 */
>+	public static final String VALIDATE_DATE_RANGE_BEFORE_EQUAL = "Validate_DateRangeBeforeEqual"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DateRangeWithinRange" message
>+	 */
>+	public static final String VALIDATE_DATE_RANGE_WITHIN_RANGE = "Validate_DateRangeWithinRange"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_StringLengthMin" message
>+	 */
>+	public static final String VALIDATE_STRING_LENGTH_MIN = "Validate_StringLengthMin"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_StringLengthMax" message
>+	 */
>+	public static final String VALIDATE_STRING_LENGTH_MAX = "Validate_StringLengthMax"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_StringLengthRange" message
>+	 */
>+	public static final String VALIDATE_STRING_LENGTH_RANGE = "Validate_StringLengthRange"; //$NON-NLS-1$
>+
>+	/**
>+	 * Key to be used for a "Validate_DecimalMaxScale" message
>+	 */
>+	public static final String VALIDATE_DECIMAL_MAX_SCALE = "Validate_DecimalMaxScale"; //$NON-NLS-1$
>+
>+	/**
> 	 * Returns the resource object with the given key in the resource bundle for
> 	 * JFace Data Binding. If there isn't any value under the given key, the key
> 	 * is returned.
>-	 *
>+	 * 
> 	 * @param key
> 	 * the resource name
> 	 * @return the string
>@@ -128,16 +229,27 @@
> 	/**
> 	 * Returns a formatted string with the given key in the resource bundle for
> 	 * JFace Data Binding.
>-	 *
>+	 * 
> 	 * @param key
> 	 * @param arguments
> 	 * @return formatted string, the key if the key is invalid
> 	 */
>-	public static String formatString(String key, Object[] arguments) {
>+	public static String getFormattedString(String key, Object[] arguments) {
> 		try {
>-			return MessageFormat.format(bundle.getString(key), arguments);
>+			return formatMessage(getString(key), arguments);
> 		} catch (MissingResourceException e) {
> 			return key;
> 		}
> 	}
>+
>+	/**
>+	 * Formats the given message pattern with the provided arguments.
>+	 * 
>+	 * @param pattern
>+	 * @param arguments
>+	 * @return formatted string
>+	 */
>+	public static String formatMessage(String pattern, Object[] arguments) {
>+		return MessageFormat.format(pattern, arguments);
>+	}
> }
>Index: src/org/eclipse/core/databinding/editing/StringEditing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/StringEditing.java
>diff -N src/org/eclipse/core/databinding/editing/StringEditing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/StringEditing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,232 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import org.eclipse.core.databinding.conversion.IConverter;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.StringConstraints;
>+import org.eclipse.core.internal.databinding.conversion.StringStripConverter;
>+import org.eclipse.core.internal.databinding.conversion.StringTrimConverter;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class StringEditing extends Editing {
>+
>+	private StringEditing(IConverter targetConverter) {
>+		setTargetConverter(targetConverter);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for strings which performs no validation or
>+	 * conversion.
>+	 * 
>+	 * @return The new editing object which performs no validation or
>+	 * conversion.
>+	 */
>+	public static StringEditing withDefaults() {
>+		return new StringEditing(null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which strips whitespace from both ends of
>+	 * the input string.
>+	 * 
>+	 * @param stripToNull
>+	 * Whether to convert the input string to <code>null</code> in
>+	 * case stripping the input string results in an empty string.
>+	 * @return The new editing object which strips whitespace from both ends of
>+	 * the input string.
>+	 * 
>+	 * @see Character#isWhitespace(char)
>+	 */
>+	public static StringEditing stripped(boolean stripToNull) {
>+		return new StringEditing(new StringStripConverter(stripToNull));
>+	}
>+
>+	/**
>+	 * Creates a new editing object which {@link String#trim()}s the input
>+	 * string.
>+	 * 
>+	 * @param trimToNull
>+	 * Whether to convert the input string to <code>null</code> in
>+	 * case trimming the input string results in an empty string.
>+	 * @return The new editing object which trims whitespace from both ends of
>+	 * the input string.
>+	 * 
>+	 * @see String#trim()
>+	 */
>+	public static StringEditing trimmed(boolean trimToNull) {
>+		return new StringEditing(new StringTrimConverter(trimToNull));
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string target constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) targetConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints targetStringConstraints() {
>+		return (StringConstraints) targetConstraints();
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string model constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) modelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints modelStringConstraints() {
>+		return (StringConstraints) modelConstraints();
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string before-set model constraints} of this editing object and is
>+	 * equivalent to {@code (StringConstraints) beforeSetModelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints beforeSetModelStringConstraints() {
>+		return (StringConstraints) beforeSetModelConstraints();
>+	}
>+
>+	protected Constraints createTargetConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createModelConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link StringConstraints#required()
>+	 * required constraint} to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#required()
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing required() {
>+		modelStringConstraints().required();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link StringConstraints#nonEmpty()
>+	 * non-empty constraint} to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#nonEmpty()
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing nonEmpty() {
>+		modelStringConstraints().nonEmpty();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link StringConstraints#minLength(int)
>+	 * min-length constraint} to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @param minLength
>+	 * The min length of the min-length constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#minLength(int)
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing minLength(int minLength) {
>+		modelStringConstraints().minLength(minLength);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link StringConstraints#maxLength(int)
>+	 * max-length constraint} to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @param maxLength
>+	 * The max length of the max-length constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#maxLength(int)
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing maxLength(int maxLength) {
>+		modelStringConstraints().maxLength(maxLength);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link StringConstraints#lengthRange(int, int) length-range constraint}
>+	 * to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @param minLength
>+	 * The min length of the length-range constraint.
>+	 * @param maxLength
>+	 * The max length of the length-range constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#lengthRange(int, int)
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing lengthRange(int minLength, int maxLength) {
>+		modelStringConstraints().lengthRange(minLength, maxLength);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link StringConstraints#matches(String)
>+	 * matches constraint} to the set of {@link #modelStringConstraints()}.
>+	 * 
>+	 * @param regex
>+	 * The regular expression of the matches constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see StringConstraints#matches(String)
>+	 * @see #modelStringConstraints()
>+	 */
>+	public StringEditing matches(String regex) {
>+		modelStringConstraints().matches(regex);
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/DateRangeValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/DateRangeValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/DateRangeValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/DateRangeValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,238 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.text.MessageFormat;
>+import java.util.Date;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+import com.ibm.icu.text.DateFormat;
>+
>+/**
>+ * Provides validations for date which must lie within an open/closed range.
>+ * 
>+ * @since 1.4
>+ */
>+public class DateRangeValidator implements IValidator {
>+
>+	// The set of constraint types for the lower/upper bound of the date range.
>+	private static final int UNDEFINED = -1;
>+	private static final int AFTER = 0;
>+	private static final int AFTER_EQUAL = 1;
>+	private static final int BEFORE = 2;
>+	private static final int BEFORE_EQUAL = 3;
>+
>+	// The default validation messages.
>+	private static final String AFTER_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_DATE_RANGE_AFTER);
>+	private static final String AFTER_EQUAL_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_DATE_RANGE_AFTER_EQUAL);
>+	private static final String BEFORE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_DATE_RANGE_BEFORE);
>+	private static final String BEFORE_EQUAL_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_DATE_RANGE_BEFORE_EQUAL);
>+	private static final String WITHIN_RANGE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_DATE_RANGE_WITHIN_RANGE);
>+
>+	private final Date min;
>+	private final Date max;
>+	private final int minConstraint;
>+	private final int maxConstraint;
>+	private final String validationMessage;
>+	private String formattedValidationMessage;
>+	private final DateFormat format;
>+
>+	/**
>+	 * Single constructor which supports the individual date range types.
>+	 * 
>+	 * @param min
>+	 * The min date of the range or <code>null</code> in case no
>+	 * lower bound is defined.
>+	 * @param max
>+	 * The max date of the range or <code>null</code> in case no
>+	 * upper bound is defined.
>+	 * @param minConstraint
>+	 * The type of constraint imposed by the lower bound of the
>+	 * range.
>+	 * @param maxConstraint
>+	 * The type of constraint imposed by the upper bound of the
>+	 * range.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized by
>+	 * the lower and upper bound of the range, if defined.
>+	 * @param format
>+	 * The date format to use for formatting dates in the validation
>+	 * message.
>+	 */
>+	private DateRangeValidator(Date min, Date max, int minConstraint,
>+			int maxConstraint, String validationMessage, DateFormat format) {
>+		this.min = min;
>+		this.max = max;
>+		this.minConstraint = minConstraint;
>+		this.maxConstraint = maxConstraint;
>+		this.validationMessage = validationMessage;
>+		this.format = format;
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input date is after the given
>+	 * date.
>+	 * 
>+	 * @param date
>+	 * The reference date of the after constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference date.
>+	 * @param format
>+	 * The display format to use for formatting dates in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DateRangeValidator after(Date date, String validationMessage,
>+			DateFormat format) {
>+		return new DateRangeValidator(date, null, AFTER, UNDEFINED,
>+				defaultIfNull(validationMessage, AFTER_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input date is after or on the
>+	 * given date.
>+	 * 
>+	 * @param date
>+	 * The reference date of the after-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference date.
>+	 * @param format
>+	 * The display format to use for formatting dates in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DateRangeValidator afterEqual(Date date,
>+			String validationMessage, DateFormat format) {
>+		return new DateRangeValidator(date, null, AFTER_EQUAL, UNDEFINED,
>+				defaultIfNull(validationMessage, AFTER_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input date is before the given
>+	 * date.
>+	 * 
>+	 * @param date
>+	 * The reference date of the before constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference date.
>+	 * @param format
>+	 * The display format to use for formatting dates in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DateRangeValidator before(Date date, String validationMessage,
>+			DateFormat format) {
>+		return new DateRangeValidator(null, date, UNDEFINED, BEFORE,
>+				defaultIfNull(validationMessage, BEFORE_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input date is before or on the
>+	 * given date.
>+	 * 
>+	 * @param date
>+	 * The reference date of the before-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference date.
>+	 * @param format
>+	 * The display format to use for formatting dates in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DateRangeValidator beforeEqual(Date date,
>+			String validationMessage, DateFormat format) {
>+		return new DateRangeValidator(null, date, UNDEFINED, BEFORE_EQUAL,
>+				defaultIfNull(validationMessage, BEFORE_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input date is within the given
>+	 * range.
>+	 * 
>+	 * @param min
>+	 * The lower bound of the range (inclusive).
>+	 * @param max
>+	 * The upper bound of the range (inclusive).
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the range's lower and upper bound.
>+	 * @param format
>+	 * The display format to use for formatting dates in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DateRangeValidator range(Date min, Date max,
>+			String validationMessage, DateFormat format) {
>+		return new DateRangeValidator(min, max, AFTER_EQUAL, BEFORE_EQUAL,
>+				defaultIfNull(validationMessage, WITHIN_RANGE_MESSAGE), format);
>+	}
>+
>+	public IStatus validate(Object value) {
>+		if (value != null) {
>+			Date date = (Date) value;
>+			if ((min != null && !fulfillsConstraint(date, min, minConstraint))
>+					|| (max != null && !fulfillsConstraint(date, max,
>+							maxConstraint))) {
>+				return ValidationStatus.error(getFormattedValidationMessage());
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+
>+	private boolean fulfillsConstraint(Date date1, Date date2, int constraint) {
>+		switch (constraint) {
>+		case AFTER:
>+			return date1.after(date2);
>+		case AFTER_EQUAL:
>+			return date1.after(date2) || date1.equals(date2);
>+		case BEFORE:
>+			return date1.before(date2);
>+		case BEFORE_EQUAL:
>+			return date1.before(date2) || date1.equals(date2);
>+		case UNDEFINED:
>+		default:
>+			throw new IllegalArgumentException(
>+					"Unsupported constraint: " + constraint); //$NON-NLS-1$
>+		}
>+	}
>+
>+	private synchronized String getFormattedValidationMessage() {
>+		if (formattedValidationMessage == null) {
>+			formattedValidationMessage = MessageFormat.format(
>+					validationMessage, getValidationMessageArguments());
>+		}
>+		return formattedValidationMessage;
>+	}
>+
>+	private String[] getValidationMessageArguments() {
>+		synchronized (format) {
>+			if (min == null) {
>+				return new String[] { format.format(max) };
>+			} else if (max == null) {
>+				return new String[] { format.format(min) };
>+			}
>+			return new String[] { format.format(min), format.format(max) };
>+		}
>+	}
>+
>+	private static String defaultIfNull(String string, String defaultString) {
>+		return (string != null) ? string : defaultString;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/NumberRangeValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/NumberRangeValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/NumberRangeValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/NumberRangeValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,149 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.text.MessageFormat;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * Provides validations for numbers which must lie within an open/closed range.
>+ * 
>+ * @since 1.4
>+ */
>+public abstract class NumberRangeValidator implements IValidator {
>+
>+	// The set of constraint types for the lower/upper bound of the date range.
>+	protected static final int UNDEFINED = -1;
>+	protected static final int GREATER = 0;
>+	protected static final int GREATER_EQUAL = 1;
>+	protected static final int LESS = 2;
>+	protected static final int LESS_EQUAL = 3;
>+
>+	// The default validation messages.
>+	protected static final String GREATER_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_GREATER);
>+	protected static final String GREATER_EQUAL_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_GREATER_EQUAL);
>+	protected static final String LESS_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_LESS);
>+	protected static final String LESS_EQUAL_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_LESS_EQUAL);
>+	protected static final String WITHIN_RANGE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_WITHIN_RANGE);
>+	protected static final String POSITIVE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_POSITIVE);
>+	protected static final String NON_NEGATIVE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NUMBER_RANGE_NON_NEGATIVE);
>+
>+	private final Number min;
>+	private final Number max;
>+	private final int minConstraint;
>+	private final int maxConstraint;
>+	private final String validationMessage;
>+	private String formattedValidationMessage;
>+	private final NumberFormat format;
>+
>+	/**
>+	 * Single constructor which supports the individual number range types.
>+	 * 
>+	 * @param min
>+	 * The min number of the range or <code>null</code> in case no
>+	 * lower bound is defined.
>+	 * @param max
>+	 * The max number of the range or <code>null</code> in case no
>+	 * upper bound is defined.
>+	 * @param minConstraint
>+	 * The type of constraint imposed by the lower bound of the
>+	 * range.
>+	 * @param maxConstraint
>+	 * The type of constraint imposed by the upper bound of the
>+	 * range.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized by
>+	 * the lower and upper bound of the range, if defined.
>+	 * @param format
>+	 * The integer format to use for formatting numbers in the
>+	 * validation message.
>+	 */
>+	protected NumberRangeValidator(Number min, Number max, int minConstraint,
>+			int maxConstraint, String validationMessage, NumberFormat format) {
>+		this.min = min;
>+		this.max = max;
>+		this.minConstraint = minConstraint;
>+		this.maxConstraint = maxConstraint;
>+		this.validationMessage = validationMessage;
>+		this.format = format;
>+	}
>+
>+	public IStatus validate(Object value) {
>+		if (value != null) {
>+			Number number = (Number) value;
>+			if ((min != null && !fulfillsConstraint(number, min, minConstraint))
>+					|| (max != null && !fulfillsConstraint(number, max,
>+							maxConstraint))) {
>+				return ValidationStatus.error(getFormattedValidationMessage());
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+
>+	private boolean fulfillsConstraint(Number number1, Number number2,
>+			int constraint) {
>+		int compareResult = compare(number1, number2);
>+		switch (constraint) {
>+		case GREATER:
>+			return compareResult > 0;
>+		case GREATER_EQUAL:
>+			return compareResult >= 0;
>+		case LESS:
>+			return compareResult < 0;
>+		case LESS_EQUAL:
>+			return compareResult <= 0;
>+		case UNDEFINED:
>+		default:
>+			throw new IllegalArgumentException(
>+					"Unsupported constraint: " + constraint); //$NON-NLS-1$
>+		}
>+	}
>+
>+	/**
>+	 * Comparator method to be implemented by subclasses in order to compare two
>+	 * instances of the concrete number type.
>+	 * 
>+	 * @param number1
>+	 * The first number to compare.
>+	 * @param number2
>+	 * The second number to compare.
>+	 * @return A negative number, zero, or a positive number in case the first
>+	 * number is smaller than, equal to, or greater than the second
>+	 * number, respectively.
>+	 */
>+	protected abstract int compare(Number number1, Number number2);
>+
>+	private synchronized String getFormattedValidationMessage() {
>+		if (formattedValidationMessage == null) {
>+			formattedValidationMessage = MessageFormat.format(
>+					validationMessage, getValidationMessageArguments());
>+		}
>+		return formattedValidationMessage;
>+	}
>+
>+	private String[] getValidationMessageArguments() {
>+		synchronized (format) {
>+			if (min == null) {
>+				return new String[] { format.format(max) };
>+			} else if (max == null) {
>+				return new String[] { format.format(min) };
>+			}
>+			return new String[] { format.format(min), format.format(max) };
>+		}
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/StringLengthValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/StringLengthValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/StringLengthValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/StringLengthValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,164 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.text.MessageFormat;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * Provides validations for strings which must have a specified length.
>+ * 
>+ * @since 1.4
>+ */
>+public class StringLengthValidator implements IValidator {
>+
>+	// The default validation messages.
>+	private static final String MIN_LENGTH_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_STRING_LENGTH_MIN);
>+	private static final String MAX_LENGTH_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_STRING_LENGTH_MAX);
>+	private static final String LENGTH_RANGE_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_STRING_LENGTH_RANGE);
>+
>+	private final Integer minLength;
>+	private final Integer maxLength;
>+	private final String validationMessage;
>+	private String formattedValidationMessage;
>+	private final NumberFormat format;
>+
>+	/**
>+	 * Creates a string length validator defining a minimum and/or maximum
>+	 * length for a string.
>+	 * 
>+	 * @param minLength
>+	 * The minimum length of the string or <code>null</code> in case
>+	 * no minimum length is defined.
>+	 * @param maxLength
>+	 * The maximum length of the string or <code>null</code> in case
>+	 * no maximum length is defined.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized by
>+	 * the lower and upper bound of the range, if defined.
>+	 * @param format
>+	 * The number format to use for formatting integers (the length
>+	 * bounds) in the validation message.
>+	 */
>+	private StringLengthValidator(Integer minLength, Integer maxLength,
>+			String validationMessage, NumberFormat format) {
>+		this.minLength = minLength;
>+		this.maxLength = maxLength;
>+		this.validationMessage = validationMessage;
>+		this.format = format;
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input string has the given
>+	 * minimum length.
>+	 * 
>+	 * @param minLength
>+	 * The minimum length which the input string must have.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given minimum length.
>+	 * @param format
>+	 * The display format to use for formatting integers (the minimum
>+	 * length) in the validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static StringLengthValidator minLength(int minLength,
>+			String validationMessage, NumberFormat format) {
>+		return new StringLengthValidator(new Integer(minLength), null,
>+				defaultIfNull(validationMessage, MIN_LENGTH_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input string has the given
>+	 * maximum length.
>+	 * 
>+	 * @param maxLength
>+	 * The maximum length which the input string must have.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given maximum length.
>+	 * @param format
>+	 * The display format to use for formatting integers (the maximum
>+	 * length) in the validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static StringLengthValidator maxLength(int maxLength,
>+			String validationMessage, NumberFormat format) {
>+		return new StringLengthValidator(null, new Integer(maxLength),
>+				defaultIfNull(validationMessage, MAX_LENGTH_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that the length of an input string lies
>+	 * in the given range.
>+	 * 
>+	 * @param minLength
>+	 * The minimum length which the input string must have.
>+	 * @param maxLength
>+	 * The maximum length which the input string must have.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given minimum and maximum lengths.
>+	 * @param format
>+	 * The display format to use for formatting integers (the
>+	 * minimum/maximum length) in the validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static StringLengthValidator lengthRange(int minLength,
>+			int maxLength, String validationMessage, NumberFormat format) {
>+		return new StringLengthValidator(new Integer(minLength), new Integer(
>+				maxLength), defaultIfNull(validationMessage,
>+				LENGTH_RANGE_MESSAGE), format);
>+	}
>+
>+	public IStatus validate(Object value) {
>+		String input = (String) value;
>+		if (input != null) {
>+			int inputLength = input.length();
>+			if ((minLength != null && inputLength < minLength.intValue())
>+					|| maxLength != null && inputLength > maxLength.intValue()) {
>+				return ValidationStatus.error(getFormattedValidationMessage());
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+
>+	private synchronized String getFormattedValidationMessage() {
>+		if (formattedValidationMessage == null) {
>+			formattedValidationMessage = MessageFormat.format(
>+					validationMessage, getValidationMessageArguments());
>+		}
>+		return formattedValidationMessage;
>+	}
>+
>+	private String[] getValidationMessageArguments() {
>+		synchronized (format) {
>+			if (minLength == null) {
>+				return new String[] { format.format(maxLength) };
>+			} else if (maxLength == null) {
>+				return new String[] { format.format(minLength) };
>+			}
>+			return new String[] { format.format(minLength),
>+					format.format(maxLength) };
>+		}
>+	}
>+
>+	private static String defaultIfNull(String string, String defaultString) {
>+		return (string != null) ? string : defaultString;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/DecimalConstraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/DecimalConstraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/DecimalConstraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/DecimalConstraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,364 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import org.eclipse.core.internal.databinding.validation.DecimalRangeValidator;
>+import org.eclipse.core.internal.databinding.validation.DecimalScaleValidator;
>+import org.eclipse.core.internal.databinding.validation.NonNullValidator;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class DecimalConstraints extends Constraints {
>+
>+	private NumberFormat decimalDisplayFormat = NumberFormat
>+			.getNumberInstance();
>+
>+	private NumberFormat integerDisplayFormat = NumberFormat
>+			.getIntegerInstance();
>+
>+	private String requiredMessage = null;
>+
>+	private String greaterMessage = null;
>+
>+	private String greaterEqualMessage = null;
>+
>+	private String lessMessage = null;
>+
>+	private String lessEqualMessage = null;
>+
>+	private String rangeMessage = null;
>+
>+	private String positiveMessage = null;
>+
>+	private String nonNegativeMessage = null;
>+
>+	private String maxScaleMessage = null;
>+
>+	/**
>+	 * Sets the format to use when formatting a decimal to be included in any of
>+	 * the validation messages.
>+	 * 
>+	 * 
>+	 * This decimal format will be used for any subsequent constraints which are
>+	 * applied.
>+	 * 
>+	 * 
>+	 * @param format
>+	 * The format to use for displaying decimals in validation
>+	 * messages.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints decimalDisplayFormat(NumberFormat format) {
>+		this.decimalDisplayFormat = format;
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the format to use when formatting an integer to be included in any
>+	 * of the validation messages.
>+	 * 
>+	 * 
>+	 * This integer format will be used for any subsequent constraints which are
>+	 * applied.
>+	 * 
>+	 * 
>+	 * @param format
>+	 * The format to use for displaying integers in validation
>+	 * messages.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #maxScale(int)
>+	 */
>+	public DecimalConstraints integerDisplayFormat(NumberFormat format) {
>+		this.integerDisplayFormat = format;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is not
>+	 * <code>null</code>. Uses the current {@link #requiredMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints required() {
>+		addValidator(new NonNullValidator(requiredMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #required()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #required()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #required()
>+	 */
>+	public DecimalConstraints requiredMessage(String message) {
>+		this.requiredMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is greater than the
>+	 * given number. Uses the current {@link #greaterMessage(String) validation
>+	 * message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed decimal must be greater than.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints greater(double number) {
>+		addValidator(DecimalRangeValidator.greater(number, greaterMessage,
>+				decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #greater(double)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #greater(double)} constraint. Can be parameterized with
>+	 * the number which the parsed decimal must be greater than.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #greater(double)
>+	 */
>+	public DecimalConstraints greaterMessage(String message) {
>+		this.greaterMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is greater than or
>+	 * equal to the given number. Uses the current
>+	 * {@link #greaterEqualMessage(String) validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed decimal must be greater than or
>+	 * equal to.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints greaterEqual(double number) {
>+		addValidator(DecimalRangeValidator.greaterEqual(number,
>+				greaterEqualMessage, decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #greaterEqual(double)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #greaterEqual(double)} constraint. Can be parameterized
>+	 * with the number which the parsed decimal must be greater than
>+	 * or equal to.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #greaterEqual(double)
>+	 */
>+	public DecimalConstraints greaterEqualMessage(String message) {
>+		this.greaterEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is less than the given
>+	 * number. Uses the current {@link #lessMessage(String) validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed decimal must be less than.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints less(double number) {
>+		addValidator(DecimalRangeValidator.less(number, lessMessage,
>+				decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #less(double)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #less(double)}
>+	 * constraint. Can be parameterized with the number which the
>+	 * parsed decimal must be less than.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #less(double)
>+	 */
>+	public DecimalConstraints lessMessage(String message) {
>+		this.lessMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is less than or equal
>+	 * to the given number. Uses the current {@link #lessEqualMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed decimal must be less than or equal
>+	 * to.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints lessEqual(double number) {
>+		addValidator(DecimalRangeValidator.greaterEqual(number,
>+				lessEqualMessage, decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #lessEqual(double)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #lessEqual(double)} constraint. Can be parameterized
>+	 * with the number which the parsed decimal must be less than or
>+	 * equal to.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #lessEqual(double)
>+	 */
>+	public DecimalConstraints lessEqualMessage(String message) {
>+		this.lessEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is within the given
>+	 * range. Uses the current {@link #rangeMessage(String) validation message}.
>+	 * 
>+	 * @param min
>+	 * The lower bound of the range (inclusive).
>+	 * @param max
>+	 * The upper bound of the range (inclusive).
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints range(double min, double max) {
>+		addValidator(DecimalRangeValidator.range(min, max, rangeMessage,
>+				decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the
>+	 * {@link #range(double, double)} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #range(double, double)} constraint. Can be
>+	 * parameterized with the min and max values of the range in
>+	 * which the parsed decimal must lie.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #range(double, double)
>+	 */
>+	public DecimalConstraints rangeMessage(String message) {
>+		this.rangeMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is positive. Uses the
>+	 * current {@link #positiveMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints positive() {
>+		addValidator(DecimalRangeValidator.positive(positiveMessage,
>+				decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #positive()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #positive()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #positive()
>+	 */
>+	public DecimalConstraints positiveMessage(String message) {
>+		this.positiveMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal is non-negative. Uses
>+	 * the current {@link #nonNegativeMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints nonNegative() {
>+		addValidator(DecimalRangeValidator.nonNegative(nonNegativeMessage,
>+				decimalDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #nonNegative()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #nonNegative()}
>+	 * constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #nonNegative()
>+	 */
>+	public DecimalConstraints nonNegativeMessage(String message) {
>+		this.nonNegativeMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed decimal's scale is not greater
>+	 * than the given one. Uses the current {@link #maxScaleMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @param scale
>+	 * The maximum scale to enforce on the parsed decimal.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DecimalConstraints maxScale(int scale) {
>+		addValidator(DecimalScaleValidator.maxScale(scale, maxScaleMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #maxScale(int)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #maxScale(int)}
>+	 * constraint. Can be parameterized with the maximum scale of the
>+	 * decimal.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #maxScale(int)
>+	 */
>+	public DecimalConstraints maxScaleMessage(String message) {
>+		this.maxScaleMessage = message;
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/DateConstraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/DateConstraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/DateConstraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/DateConstraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,252 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import java.util.Date;
>+
>+import org.eclipse.core.internal.databinding.validation.DateRangeValidator;
>+import org.eclipse.core.internal.databinding.validation.NonNullValidator;
>+
>+import com.ibm.icu.text.DateFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class DateConstraints extends Constraints {
>+
>+	private DateFormat displayFormat = DateFormat.getDateInstance();
>+
>+	private String requiredMessage = null;
>+
>+	private String afterMessage = null;
>+
>+	private String afterEqualMessage = null;
>+
>+	private String beforeMessage = null;
>+
>+	private String beforeEqualMessage = null;
>+
>+	private String rangeMessage = null;
>+
>+	/**
>+	 * Sets the format to use when formatting a date to be included in any of
>+	 * the validation messages.
>+	 * 
>+	 * 
>+	 * This date format will be used for any subsequent constraints which are
>+	 * applied.
>+	 * 
>+	 * 
>+	 * @param format
>+	 * The format to use for displaying dates in validation messages.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DateConstraints dateDisplayFormat(DateFormat format) {
>+		this.displayFormat = format;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is not <code>null</code>.
>+	 * Uses the current {@link #requiredMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DateConstraints required() {
>+		addValidator(new NonNullValidator(requiredMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #required()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #required()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #required()
>+	 */
>+	public DateConstraints requiredMessage(String message) {
>+		this.requiredMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is after the given date.
>+	 * Uses the current {@link #afterMessage(String) validation message}.
>+	 * 
>+	 * @param date
>+	 * The date which the parsed date must be after.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see Date#after(Date)
>+	 */
>+	public DateConstraints after(Date date) {
>+		addValidator(DateRangeValidator
>+				.after(date, afterMessage, displayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #after(Date)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #after(Date)}
>+	 * constraint. Can be parameterized with the date which the
>+	 * parsed date must be after.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #after(Date)
>+	 */
>+	public DateConstraints afterMessage(String message) {
>+		this.afterMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is after or on the given
>+	 * date. Uses the current {@link #afterEqualMessage(String) validation
>+	 * message}.
>+	 * 
>+	 * @param date
>+	 * The date which the parsed date must be after or on.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see Date#after(Date)
>+	 * @see Date#equals(Object)
>+	 */
>+	public DateConstraints afterEqual(Date date) {
>+		addValidator(DateRangeValidator.afterEqual(date, afterEqualMessage,
>+				displayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #afterEqual(Date)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #afterEqual(Date)} constraint. Can be parameterized
>+	 * with the date which the parsed date must be after or on.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #afterEqual(Date)
>+	 */
>+	public DateConstraints afterEqualMessage(String message) {
>+		this.afterEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is before the given date.
>+	 * Uses the current {@link #beforeMessage(String) validation message}.
>+	 * 
>+	 * @param date
>+	 * The date which the parsed date must be before
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see Date#before(Date)
>+	 */
>+	public DateConstraints before(Date date) {
>+		addValidator(DateRangeValidator.before(date, beforeMessage,
>+				displayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #before(Date)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #before(Date)}
>+	 * constraint. Can be parameterized with the date which the
>+	 * parsed date must be before.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #before(Date)
>+	 */
>+	public DateConstraints beforeMessage(String message) {
>+		this.beforeMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is before or on the given
>+	 * date. Uses the current {@link #beforeEqualMessage(String) validation
>+	 * message}.
>+	 * 
>+	 * @param date
>+	 * The date which the parsed date must be before or on.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see Date#before(Date)
>+	 * @see Date#equals(Object)
>+	 */
>+	public DateConstraints beforeEqual(Date date) {
>+		addValidator(DateRangeValidator.beforeEqual(date, beforeEqualMessage,
>+				displayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #beforeEqual(Date)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #beforeEqual(Date)} constraint. Can be parameterized
>+	 * with the date which the parsed date must be before or on.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #beforeEqual(Date)
>+	 */
>+	public DateConstraints beforeEqualMessage(String message) {
>+		this.beforeEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed date is within the given range.
>+	 * Uses the current {@link #rangeMessage(String) validation message}.
>+	 * 
>+	 * @param minDate
>+	 * The lower bound of the range (inclusive).
>+	 * @param maxDate
>+	 * The upper bound of the range (inclusive).
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public DateConstraints range(Date minDate, Date maxDate) {
>+		addValidator(DateRangeValidator.range(minDate, maxDate, rangeMessage,
>+				displayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #range(Date, Date)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #range(Date, Date)} constraint. Can be parameterized
>+	 * with the min and max dates of the range in which the parsed
>+	 * date must lie.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #range(Date, Date)
>+	 */
>+	public DateConstraints rangeMessage(String message) {
>+		this.rangeMessage = message;
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/conversion/StringTrimConverter.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/conversion/StringTrimConverter.java
>diff -N src/org/eclipse/core/internal/databinding/conversion/StringTrimConverter.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/conversion/StringTrimConverter.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,45 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.conversion;
>+
>+import org.eclipse.core.databinding.conversion.Converter;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class StringTrimConverter extends Converter {
>+
>+	private final boolean trimToNull;
>+
>+	/**
>+	 * 
>+	 * @param trimToNull
>+	 */
>+	public StringTrimConverter(boolean trimToNull) {
>+		super(String.class, String.class);
>+		this.trimToNull = trimToNull;
>+	}
>+
>+	public Object convert(Object fromObject) {
>+		String string = (String) fromObject;
>+
>+		if (string != null) {
>+			string = string.trim();
>+
>+			if (trimToNull && string.length() == 0) {
>+				string = null;
>+			}
>+		}
>+
>+		return string;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/editing/BooleanEditing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/BooleanEditing.java
>diff -N src/org/eclipse/core/databinding/editing/BooleanEditing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/BooleanEditing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,203 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import org.eclipse.core.databinding.validation.constraint.BooleanConstraints;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.StringConstraints;
>+import org.eclipse.core.internal.databinding.conversion.BooleanToStringConverter;
>+import org.eclipse.core.internal.databinding.conversion.StringToBooleanConverter;
>+import org.eclipse.core.internal.databinding.validation.StringToBooleanValidator;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class BooleanEditing extends Editing {
>+
>+	private BooleanEditing(String[] trueValues, String[] falseValues,
>+			String parseErrorMessage) {
>+		StringToBooleanConverter targetConverter = new StringToBooleanConverter();
>+		BooleanToStringConverter modelConverter = new BooleanToStringConverter(
>+				Boolean.class);
>+
>+		StringToBooleanValidator targetValidator = new StringToBooleanValidator();
>+		if (parseErrorMessage != null) {
>+			targetValidator.setParseErrorMessage(parseErrorMessage);
>+		}
>+
>+		if (trueValues != null && falseValues != null) {
>+			targetValidator.setSourceStrings(trueValues, falseValues);
>+			targetConverter.setSourceStrings(trueValues, falseValues);
>+			modelConverter.setTargetStrings(trueValues[0], falseValues[0]);
>+		}
>+
>+		setTargetConverter(targetConverter);
>+		setModelConverter(modelConverter);
>+		targetConstraints().addValidator(targetValidator);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which uses the default set of string
>+	 * representations for boolean values for parsing and displaying.
>+	 * 
>+	 * @return The new editing object for the default set of string
>+	 * representations for boolean values.
>+	 */
>+	public static BooleanEditing withDefaults() {
>+		return new BooleanEditing(null, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which uses the default set of string
>+	 * representations for boolean values for parsing and displaying. Uses the
>+	 * specified custom validation message.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an boolean.
>+	 * @return The new editing object for the default set of string
>+	 * representations for boolean values.
>+	 */
>+	public static BooleanEditing withDefaults(String parseErrorMessage) {
>+		return new BooleanEditing(null, null, parseErrorMessage);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which uses the given set of string
>+	 * representations for boolean values for parsing and displaying.
>+	 * 
>+	 * 
>+	 * For parsing, the given string values will be considered valid
>+	 * representations of {@code true} and {@code false}, respectively. For
>+	 * displaying, the first element of the respective array will be used for
>+	 * representing the corresponding boolean value.
>+	 * 
>+	 * 
>+	 * @param trueValues
>+	 * The set of strings representing a <code>true</code> value.
>+	 * @param falseValues
>+	 * The set of strings representing a <code>false</code> value.
>+	 * @return The new editing object for the given set of string
>+	 * representations for boolean values.
>+	 */
>+	public static BooleanEditing forStringValues(String[] trueValues,
>+			String[] falseValues) {
>+		return new BooleanEditing(trueValues, falseValues, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which uses the given set of string
>+	 * representations for boolean values for parsing and displaying. Uses the
>+	 * specified custom validation message.
>+	 * 
>+	 * 
>+	 * For parsing, the given string values will be considered valid
>+	 * representations of {@code true} and {@code false}, respectively. For
>+	 * displaying, the first element of the respective array will be used for
>+	 * representing the corresponding boolean value.
>+	 * 
>+	 * 
>+	 * @param trueValues
>+	 * The set of strings representing a <code>true</code> value.
>+	 * @param falseValues
>+	 * The set of strings representing a <code>false</code> value.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an boolean.
>+	 * @return The new editing object for the given set of string
>+	 * representations for boolean values.
>+	 */
>+	public static BooleanEditing forStringValues(String[] trueValues,
>+			String[] falseValues, String parseErrorMessage) {
>+		return new BooleanEditing(trueValues, falseValues, parseErrorMessage);
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string target constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) targetConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints targetStringConstraints() {
>+		return (StringConstraints) targetConstraints();
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link BooleanConstraints
>+	 * bool model constraints} of this editing object and is equivalent to
>+	 * {@code (BooleanConstraints) modelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 * @see BooleanConstraints
>+	 */
>+	public BooleanConstraints modelBooleanConstraints() {
>+		return (BooleanConstraints) modelConstraints();
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link BooleanConstraints
>+	 * bool before-set model constraints} of this editing object and is
>+	 * equivalent to {@code (BooleanConstraints) beforeSetModelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 * @see BooleanConstraints
>+	 */
>+	public BooleanConstraints beforeSetModelBooleanConstraints() {
>+		return (BooleanConstraints) beforeSetModelConstraints();
>+	}
>+
>+	protected Constraints createTargetConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createModelConstraints() {
>+		return new BooleanConstraints();
>+	}
>+
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new BooleanConstraints();
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link BooleanConstraints#required()
>+	 * required constraint} to the set of {@link #modelBooleanConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see BooleanConstraints#required()
>+	 * @see #modelBooleanConstraints()
>+	 */
>+	public BooleanEditing required() {
>+		modelBooleanConstraints().required();
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/BooleanConstraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/BooleanConstraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/BooleanConstraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/BooleanConstraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,47 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import org.eclipse.core.internal.databinding.validation.NonNullValidator;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class BooleanConstraints extends Constraints {
>+
>+	private String requiredMessage = null;
>+
>+	/**
>+	 * Adds a validator ensuring that the boolean value is not <code>null</code>
>+	 * . Uses the current {@link #requiredMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public BooleanConstraints required() {
>+		addValidator(new NonNullValidator(requiredMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #required()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #required()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #required()
>+	 */
>+	public BooleanConstraints requiredMessage(String message) {
>+		this.requiredMessage = message;
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/Constraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/Constraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/Constraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/Constraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,211 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import java.util.ArrayList;
>+import java.util.Iterator;
>+import java.util.List;
>+
>+import org.eclipse.core.databinding.util.Policy;
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+import org.eclipse.core.runtime.MultiStatus;
>+import org.eclipse.core.runtime.Status;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class Constraints {
>+
>+	/**
>+	 * Constant denoting an aggregation strategy that merges multiple non-OK
>+	 * status objects in a {@link MultiStatus}. Returns an OK status result if
>+	 * all statuses from the set of validators to apply are an OK status.
>+	 * Returns a single status if there is only one non-OK status.
>+	 * 
>+	 * @see #aggregationPolicy(int)
>+	 */
>+	public static final int AGGREGATION_MERGED = 1;
>+
>+	/**
>+	 * Constant denoting an aggregation strategy that always returns the
>+	 * most severe status from the set of validators to apply. If there
>+	 * is more than one status at the same severity level, it picks the first
>+	 * one it encounters.
>+	 * 
>+	 * @see #aggregationPolicy(int)
>+	 */
>+	public static final int AGGREGATION_MAX_SEVERITY = 2;
>+
>+	/**
>+	 * Constant denoting an aggregation strategy that always returns the
>+	 * least severe status from the set of validators to apply. If there
>+	 * is more than one status at the same severity level, it picks the first
>+	 * one it encounters.
>+	 * 
>+	 * @see #aggregationPolicy(int)
>+	 */
>+	public static final int AGGREGATION_MIN_SEVERITY = 3;
>+
>+	// Will be initialized lazily.
>+	private List validators = null;
>+
>+	private IValidator cachedValidator = null;
>+
>+	private int aggregationPolicy = AGGREGATION_MAX_SEVERITY;
>+
>+	/**
>+	 * Adds a custom validator to the set of constraints to apply.
>+	 * 
>+	 * @param validator
>+	 * The custom validator to add to the set of constraints.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public final Constraints addValidator(IValidator validator) {
>+		if (validators == null) {
>+			validators = new ArrayList(2);
>+		}
>+		validators.add(validator);
>+		cachedValidator = null;
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the aggregation policy to apply to the individual validations which
>+	 * constitute this set of constraints.
>+	 * 
>+	 * @param policy
>+	 * The validation aggregation policy to set. Must be one of
>+	 * {@link #AGGREGATION_MERGED}, {@link #AGGREGATION_MAX_SEVERITY}
>+	 * or {@link #AGGREGATION_MIN_SEVERITY}.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #AGGREGATION_MERGED
>+	 * @see #AGGREGATION_MAX_SEVERITY
>+	 * @see #AGGREGATION_MIN_SEVERITY
>+	 */
>+	public final Constraints aggregationPolicy(int policy) {
>+		this.aggregationPolicy = policy;
>+		cachedValidator = null;
>+		return this;
>+	}
>+
>+	/**
>+	 * Creates a validator which enforces the current set of constraints.
>+	 * 
>+	 * 
>+	 * Note that this method will return <code>null</code> in case the set of
>+	 * constraints to apply is empty.
>+	 * 
>+	 * 
>+	 * @return A validator which enforces the current set of constraints. May be
>+	 * <code>null</code>.
>+	 */
>+	public final IValidator createValidator() {
>+		if (validators != null && !validators.isEmpty()) {
>+			if (cachedValidator == null) {
>+				if (validators.size() == 1) {
>+					cachedValidator = (IValidator) validators.get(0);
>+				} else {
>+					IValidator[] currentValidators = (IValidator[]) validators
>+							.toArray(new IValidator[validators.size()]);
>+					cachedValidator = new ConstraintsValidator(
>+							currentValidators, aggregationPolicy);
>+				}
>+			}
>+			return cachedValidator;
>+		}
>+		return null;
>+	}
>+
>+	private static final class ConstraintsValidator implements IValidator {
>+
>+		private final IValidator[] validators;
>+
>+		private final int aggregationPolicy;
>+
>+		public ConstraintsValidator(IValidator[] validators,
>+				int aggregationPolicy) {
>+			this.validators = validators;
>+			this.aggregationPolicy = aggregationPolicy;
>+		}
>+
>+		public IStatus validate(Object value) {
>+			switch (aggregationPolicy) {
>+			case AGGREGATION_MERGED:
>+				return validateMerged(value);
>+			case AGGREGATION_MAX_SEVERITY:
>+				return validateMaxSeverity(value);
>+			case AGGREGATION_MIN_SEVERITY:
>+				return validateMinSeverity(value);
>+			default:
>+				throw new IllegalArgumentException(
>+						"Unsupported aggregationPolicy: " + aggregationPolicy); //$NON-NLS-1$
>+			}
>+		}
>+
>+		private IStatus validateMerged(Object value) {
>+			List statuses = new ArrayList();
>+			for (int i = 0; i < validators.length; i++) {
>+				IValidator validator = validators[i];
>+				IStatus status = validator.validate(value);
>+				if (!status.isOK()) {
>+					statuses.add(status);
>+				}
>+			}
>+
>+			if (statuses.size() == 1) {
>+				return (IStatus) statuses.get(0);
>+			}
>+
>+			if (!statuses.isEmpty()) {
>+				MultiStatus result = new MultiStatus(Policy.JFACE_DATABINDING,
>+						0, BindingMessages
>+								.getString(BindingMessages.MULTIPLE_PROBLEMS),
>+						null);
>+				for (Iterator it = statuses.iterator(); it.hasNext();) {
>+					IStatus status = (IStatus) it.next();
>+					result.merge(status);
>+				}
>+				return result;
>+			}
>+
>+			return Status.OK_STATUS;
>+		}
>+
>+		private IStatus validateMaxSeverity(Object value) {
>+			IStatus maxStatus = Status.OK_STATUS;
>+			for (int i = 0; i < validators.length; i++) {
>+				IValidator validator = validators[i];
>+				IStatus status = validator.validate(value);
>+				if (status.getSeverity() > maxStatus.getSeverity()) {
>+					maxStatus = status;
>+				}
>+			}
>+			return maxStatus;
>+		}
>+
>+		private IStatus validateMinSeverity(Object value) {
>+			IStatus minStatus = null;
>+			for (int i = 0; i < validators.length; i++) {
>+				IValidator validator = validators[i];
>+				IStatus status = validator.validate(value);
>+				if (minStatus == null
>+						|| status.getSeverity() < minStatus.getSeverity()) {
>+					minStatus = status;
>+				}
>+			}
>+			return minStatus != null ? minStatus : Status.OK_STATUS;
>+		}
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/StringToBooleanValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/StringToBooleanValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/StringToBooleanValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/StringToBooleanValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,117 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.util.Arrays;
>+import java.util.LinkedList;
>+import java.util.List;
>+import java.util.StringTokenizer;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class StringToBooleanValidator implements IValidator {
>+
>+	// TODO: Some of this code is duplicated from StringToBooleanPrimitiveConverter!
>+	private static final String[] DEFAULT_TRUE_VALUES;
>+	private static final String[] DEFAULT_FALSE_VALUES;
>+
>+	static {
>+		String delimiter = BindingMessages.getString(BindingMessages.VALUE_DELIMITER);
>+		String values = BindingMessages.getString(BindingMessages.TRUE_STRING_VALUES);
>+		DEFAULT_TRUE_VALUES = valuesToSortedArray(delimiter, values);
>+
>+		values = BindingMessages.getString(BindingMessages.FALSE_STRING_VALUES);
>+		DEFAULT_FALSE_VALUES = valuesToSortedArray(delimiter, values);
>+	}
>+
>+	private String[] trueValues = DEFAULT_TRUE_VALUES;
>+	private String[] falseValues = DEFAULT_FALSE_VALUES;
>+
>+	private String parseErrorMessage = BindingMessages.getString(BindingMessages.VALIDATE_INVALID_BOOLEAN_STRING);
>+
>+	/**
>+	 * Returns a sorted array with all values converted to upper case.
>+	 *
>+	 * @param delimiter
>+	 * @param values
>+	 * @return sorted array of values
>+	 */
>+	private static String[] valuesToSortedArray(String delimiter, String values) {
>+		List list = new LinkedList();
>+		StringTokenizer tokenizer = new StringTokenizer(values, delimiter);
>+		while (tokenizer.hasMoreTokens()) {
>+			list.add(tokenizer.nextToken().toUpperCase());
>+		}
>+
>+		String[] array = (String[]) list.toArray(new String[list.size()]);
>+		Arrays.sort(array);
>+
>+		return array;
>+	}
>+
>+	/**
>+	 * Sets the validation message to be used in case the source string does not
>+	 * represent a valid boolean value.
>+	 * 
>+	 * @param message
>+	 * The validation message to be used in case the source string
>+	 * does not represent a valid boolean value.
>+	 */
>+	public final void setParseErrorMessage(String message) {
>+		this.parseErrorMessage = message;
>+	}
>+
>+	/**
>+	 * Sets the string values which are considered to represent a
>+	 * <code>true</code> and <code>false</code> value, respectively.
>+	 * 
>+	 * 
>+	 * Note that the capitalization of the provided strings is ignored.
>+	 * 
>+	 * 
>+	 * @param trueValues
>+	 * The set of strings representing a <code>true</code> value.
>+	 * @param falseValues
>+	 * The set of strings representing a <code>false</code> value.
>+	 */
>+	public final void setSourceStrings(String[] trueValues, String[] falseValues) {
>+		this.trueValues = new String[trueValues.length];
>+		for (int i = 0; i < trueValues.length; i++) {
>+			this.trueValues[i] = trueValues[i].toUpperCase();
>+		}
>+		Arrays.sort(this.trueValues); // for binary search
>+
>+		this.falseValues = new String[falseValues.length];
>+		for (int i = 0; i < falseValues.length; i++) {
>+			this.falseValues[i] = falseValues[i].toUpperCase();
>+		}
>+		Arrays.sort(this.falseValues); // for binary search
>+	}
>+
>+	public IStatus validate(Object value) {
>+		String source = (String) value;
>+		if (source != null && source.length() != 0) {
>+			source = source.toUpperCase();
>+			if (Arrays.binarySearch(trueValues, source) < 0
>+					&& Arrays.binarySearch(falseValues, source) < 0) {
>+				return ValidationStatus.error(parseErrorMessage);
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/StringConstraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/StringConstraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/StringConstraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/StringConstraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,248 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import java.util.regex.Pattern;
>+
>+import org.eclipse.core.internal.databinding.validation.NonEmptyStringValidator;
>+import org.eclipse.core.internal.databinding.validation.NonNullValidator;
>+import org.eclipse.core.internal.databinding.validation.StringLengthValidator;
>+import org.eclipse.core.internal.databinding.validation.StringRegexValidator;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class StringConstraints extends Constraints {
>+
>+	private NumberFormat integerDisplayFormat = NumberFormat
>+			.getIntegerInstance();
>+
>+	private String requiredMessage = null;
>+
>+	private String nonEmptyMessage = null;
>+
>+	private String minLengthMessage = null;
>+
>+	private String maxLengthMessage = null;
>+
>+	private String lengthRangeMessage = null;
>+
>+	private String matchesMessage = null;
>+
>+	/**
>+	 * Sets the format to use when formatting an integer to be included in any
>+	 * of the validation messages.
>+	 * 
>+	 * 
>+	 * This integer format will be used for any subsequent constraints which are
>+	 * applied.
>+	 * 
>+	 * 
>+	 * @param format
>+	 * The format to use for displaying integers in validation
>+	 * messages.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #minLength(int)
>+	 * @see #maxLength(int)
>+	 * @see #lengthRange(int, int)
>+	 */
>+	public StringConstraints integerDisplayFormat(NumberFormat format) {
>+		this.integerDisplayFormat = format;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is not
>+	 * <code>null</code>. Uses the current {@link #requiredMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public StringConstraints required() {
>+		addValidator(new NonNullValidator(requiredMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #required()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #required()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #required()
>+	 */
>+	public StringConstraints requiredMessage(String message) {
>+		this.requiredMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is not empty. Uses the
>+	 * current {@link #nonEmptyMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public StringConstraints nonEmpty() {
>+		addValidator(new NonEmptyStringValidator(nonEmptyMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #nonEmpty()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #nonEmpty()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #nonEmpty()
>+	 */
>+	public StringConstraints nonEmptyMessage(String message) {
>+		this.nonEmptyMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the input string has at least the
>+	 * specified amount of characters. Uses the current
>+	 * {@link #minLengthMessage(String) validation message}.
>+	 * 
>+	 * @param minLength
>+	 * The minimal length to be enforced on the input string.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public StringConstraints minLength(int minLength) {
>+		addValidator(StringLengthValidator.minLength(minLength,
>+				minLengthMessage, integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #minLength(int)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #minLength(int)}
>+	 * constraint. Can be parameterized with the minimum string
>+	 * length.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #minLength(int)
>+	 */
>+	public StringConstraints minLengthMessage(String message) {
>+		this.minLengthMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the input string has not more than the
>+	 * specified amount of characters. Uses the current
>+	 * {@link #maxLengthMessage(String) validation message}.
>+	 * 
>+	 * @param maxLength
>+	 * The maximum length to be enforced on the input string.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public StringConstraints maxLength(int maxLength) {
>+		addValidator(StringLengthValidator.maxLength(maxLength,
>+				maxLengthMessage, integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #maxLength(int)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #maxLength(int)}
>+	 * constraint. Can be parameterized with the maximum string
>+	 * length.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #maxLength(int)
>+	 */
>+	public StringConstraints maxLengthMessage(String message) {
>+		this.maxLengthMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the length of the input string is between
>+	 * the given bounds. Uses the current {@link #lengthRangeMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @param minLength
>+	 * The minimal length to be enforced on the input string.
>+	 * @param maxLength
>+	 * The maximum length to be enforced on the input string.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public StringConstraints lengthRange(int minLength, int maxLength) {
>+		addValidator(StringLengthValidator.lengthRange(minLength, maxLength,
>+				lengthRangeMessage, integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the
>+	 * {@link #lengthRange(int, int)} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #lengthRange(int, int)} constraint. Can be
>+	 * parameterized with the minimum and maximum string lengths.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #lengthRange(int, int)
>+	 */
>+	public StringConstraints lengthRangeMessage(String message) {
>+		this.lengthRangeMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the input string
>+	 * {@link Pattern#matches(String, CharSequence) matches} the given regular
>+	 * expression. Uses the current {@link #matchesMessage(String) validation
>+	 * message}.
>+	 * 
>+	 * @param regex
>+	 * The regular expression which the input string must match.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see Pattern#matches(String, CharSequence)
>+	 */
>+	public StringConstraints matches(String regex) {
>+		addValidator(new StringRegexValidator(regex, matchesMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #matches(String)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #matches(String)} constraint. Can be parameterized with
>+	 * the pattern string which the parsed integer must match.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #matches(String)
>+	 */
>+	public StringConstraints matchesMessage(String message) {
>+		this.matchesMessage = message;
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/editing/Editing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/Editing.java
>diff -N src/org/eclipse/core/databinding/editing/Editing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/Editing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,1008 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import org.eclipse.core.databinding.Binding;
>+import org.eclipse.core.databinding.DataBindingContext;
>+import org.eclipse.core.databinding.UpdateListStrategy;
>+import org.eclipse.core.databinding.UpdateSetStrategy;
>+import org.eclipse.core.databinding.UpdateValueStrategy;
>+import org.eclipse.core.databinding.conversion.IConverter;
>+import org.eclipse.core.databinding.observable.list.IObservableList;
>+import org.eclipse.core.databinding.observable.set.IObservableSet;
>+import org.eclipse.core.databinding.observable.value.IObservableValue;
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.runtime.IStatus;
>+import org.eclipse.core.runtime.MultiStatus;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class Editing {
>+
>+	private Constraints targetConstraints;
>+
>+	private Constraints modelConstraints;
>+
>+	private Constraints beforeSetModelConstraints;
>+
>+	private IConverter targetConverter;
>+
>+	private IConverter modelConverter;
>+
>+	/**
>+	 * Default constructor which creates an unconfigured editing instance.
>+	 */
>+	protected Editing() {
>+		// empty editing instance
>+	}
>+
>+	/**
>+	 * Creates an unconfigured editing instance.
>+	 * 
>+	 * @return A new, unconfigured editing instance.
>+	 */
>+	public static Editing create() {
>+		return new Editing();
>+	}
>+
>+	/**
>+	 * Creates an editing instance with the given target-to-model and
>+	 * model-to-target converters.
>+	 * 
>+	 * @param t2mConverter
>+	 * The target-to-model converter to set. May be <code>null</code>
>+	 * .
>+	 * @param m2tConverter
>+	 * The model-to-target converter to set. May be <code>null</code>
>+	 * .
>+	 * @return A new editing instance with the given target-to-model and
>+	 * model-to-target converters.
>+	 */
>+	public static Editing withConverters(IConverter t2mConverter,
>+			IConverter m2tConverter) {
>+		Editing editing = new Editing();
>+		editing.setTargetConverter(t2mConverter);
>+		editing.setModelConverter(m2tConverter);
>+		return editing;
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #createTargetConstraints()
>+	 */
>+	public final Constraints targetConstraints() {
>+		if (targetConstraints == null) {
>+			targetConstraints = createTargetConstraints();
>+		}
>+		return targetConstraints;
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * @return The model constraints to apply.
>+	 * 
>+	 * @see #createModelConstraints()
>+	 */
>+	public final Constraints modelConstraints() {
>+		if (modelConstraints == null) {
>+			modelConstraints = createModelConstraints();
>+		}
>+		return modelConstraints;
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * @return The before-set model constraints to apply.
>+	 * 
>+	 * @see #createBeforeSetModelConstraints()
>+	 */
>+	public final Constraints beforeSetModelConstraints() {
>+		if (beforeSetModelConstraints == null) {
>+			beforeSetModelConstraints = createBeforeSetModelConstraints();
>+		}
>+		return beforeSetModelConstraints;
>+	}
>+
>+	/**
>+	 * Creates the target constraints to apply.
>+	 * 
>+	 * 
>+	 * The constraints object created by this method will be exposed as the
>+	 * {@link #targetConstraints()} of this editing object. By default, this
>+	 * method returns a plain {@link Constraints} object.
>+	 * 
>+	 * 
>+	 * 
>+	 * This method will be called lazily the first time the target constraints
>+	 * are accessed. Subclasses may overwrite this method in order to create a
>+	 * custom constraints object which will then be typically exposed in the
>+	 * subclass as API in order to allow for a typesafe access.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 */
>+	protected Constraints createTargetConstraints() {
>+		return new Constraints();
>+	}
>+
>+	/**
>+	 * Creates the model constraints to apply.
>+	 * 
>+	 * 
>+	 * The constraints object created by this method will be exposed as the
>+	 * {@link #modelConstraints()} of this editing object. By default, this
>+	 * method returns a plain {@link Constraints} object.
>+	 * 
>+	 * 
>+	 * 
>+	 * This method will be called lazily the first time the model constraints
>+	 * are accessed. Subclasses may overwrite this method in order to create a
>+	 * custom constraints object which will then be typically exposed in the
>+	 * subclass as API in order to allow for a typesafe access.
>+	 * 
>+	 * 
>+	 * @return The model constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 */
>+	protected Constraints createModelConstraints() {
>+		return new Constraints();
>+	}
>+
>+	/**
>+	 * Creates the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * The constraints object created by this method will be exposed as the
>+	 * {@link #beforeSetModelConstraints()} of this editing object. By default,
>+	 * this method returns a plain {@link Constraints} object.
>+	 * 
>+	 * 
>+	 * 
>+	 * This method will be called lazily the first time the before-set model
>+	 * constraints are accessed. Subclasses may overwrite this method in order
>+	 * to create a custom constraints object which will then be typically
>+	 * exposed in the subclass as API in order to allow for a typesafe access.
>+	 * 
>+	 * 
>+	 * @return The before-set model constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 */
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new Constraints();
>+	}
>+
>+	/**
>+	 * Convenience method which {@link Constraints#addValidator(IValidator)
>+	 * adds} the given validator to the set of {@link #targetConstraints()}.
>+	 * 
>+	 * @param validator
>+	 * The validator to add to the target constraints.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see Constraints#addValidator(IValidator)
>+	 * @see #targetConstraints()
>+	 */
>+	public final Editing addTargetValidator(IValidator validator) {
>+		targetConstraints().addValidator(validator);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which {@link Constraints#addValidator(IValidator)
>+	 * adds} the given validator to the set of {@link #modelConstraints()}.
>+	 * 
>+	 * @param validator
>+	 * The validator to add to the model constraints.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see Constraints#addValidator(IValidator)
>+	 * @see #modelConstraints()
>+	 */
>+	public final Editing addModelValidator(IValidator validator) {
>+		modelConstraints().addValidator(validator);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which {@link Constraints#addValidator(IValidator)
>+	 * adds} the given validator to the set of
>+	 * {@link #beforeSetModelConstraints()}.
>+	 * 
>+	 * @param validator
>+	 * The validator to add to the before-set model constraints.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see Constraints#addValidator(IValidator)
>+	 * @see #beforeSetModelConstraints
>+	 */
>+	public final Editing addBeforeSetModelValidator(IValidator validator) {
>+		beforeSetModelConstraints().addValidator(validator);
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the target-to-model converter for this editing instance.
>+	 * 
>+	 * @param converter
>+	 * The target-to-model converter to set.
>+	 */
>+	protected final void setTargetConverter(IConverter converter) {
>+		this.targetConverter = converter;
>+	}
>+
>+	/**
>+	 * Sets the model-to-target converter for this editing instance.
>+	 * 
>+	 * @param converter
>+	 * The model-to-target converter to set.
>+	 */
>+	protected final void setModelConverter(IConverter converter) {
>+		this.modelConverter = converter;
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateValueStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new target-to-model {@link UpdateValueStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateValueStrategy#UpdateValueStrategy()
>+	 * @see #applyToT2MValueStrategy(UpdateValueStrategy)
>+	 */
>+	public final UpdateValueStrategy createT2MValueStrategy() {
>+		return applyToT2MValueStrategy(new UpdateValueStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateValueStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new target-to-model {@link UpdateValueStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateValueStrategy#UpdateValueStrategy(int)
>+	 * @see #applyToT2MValueStrategy(UpdateValueStrategy)
>+	 */
>+	public final UpdateValueStrategy createT2MValueStrategy(int updatePolicy) {
>+		return applyToT2MValueStrategy(new UpdateValueStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateValueStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new model-to-target {@link UpdateValueStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateValueStrategy#UpdateValueStrategy()
>+	 * @see #applyToM2TValueStrategy(UpdateValueStrategy)
>+	 */
>+	public final UpdateValueStrategy createM2TValueStrategy() {
>+		return applyToM2TValueStrategy(new UpdateValueStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateValueStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new model-to-target {@link UpdateValueStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateValueStrategy#UpdateValueStrategy(int)
>+	 * @see #applyToM2TValueStrategy(UpdateValueStrategy)
>+	 */
>+	public final UpdateValueStrategy createM2TValueStrategy(int updatePolicy) {
>+		return applyToM2TValueStrategy(new UpdateValueStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateListStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new target-to-model {@link UpdateListStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateListStrategy#UpdateListStrategy()
>+	 * @see #applyToT2MListStrategy(UpdateListStrategy)
>+	 */
>+	public final UpdateListStrategy createT2MListStrategy() {
>+		return applyToT2MListStrategy(new UpdateListStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateListStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new target-to-model {@link UpdateListStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateListStrategy#UpdateListStrategy(int)
>+	 * @see #applyToT2MListStrategy(UpdateListStrategy)
>+	 */
>+	public final UpdateListStrategy createT2MListStrategy(int updatePolicy) {
>+		return applyToT2MListStrategy(new UpdateListStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateListStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new model-to-target {@link UpdateListStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateListStrategy#UpdateListStrategy()
>+	 * @see #applyToM2TListStrategy(UpdateListStrategy)
>+	 */
>+	public final UpdateListStrategy createM2TListStrategy() {
>+		return applyToM2TListStrategy(new UpdateListStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateListStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new model-to-target {@link UpdateListStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateListStrategy#UpdateListStrategy(int)
>+	 * @see #applyToM2TListStrategy(UpdateListStrategy)
>+	 */
>+	public final UpdateListStrategy createM2TListStrategy(int updatePolicy) {
>+		return applyToM2TListStrategy(new UpdateListStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateSetStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new target-to-model {@link UpdateSetStrategy} configured by the
>+	 * current state of this editing object.
>+	 * 
>+	 * @see UpdateListStrategy#UpdateListStrategy()
>+	 * @see #applyToT2MSetStrategy(UpdateSetStrategy)
>+	 */
>+	public final UpdateSetStrategy createT2MSetStrategy() {
>+		return applyToT2MSetStrategy(new UpdateSetStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new target-to-model {@link UpdateListStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new target-to-model {@link UpdateListStrategy} configured by
>+	 * the current state of this editing object.
>+	 * 
>+	 * @see UpdateSetStrategy#UpdateSetStrategy(int)
>+	 * @see #applyToT2MSetStrategy(UpdateSetStrategy)
>+	 */
>+	public final UpdateSetStrategy createT2MSetStrategy(int updatePolicy) {
>+		return applyToT2MSetStrategy(new UpdateSetStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateSetStrategy} with a default
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @return A new model-to-target {@link UpdateSetStrategy} configured by the
>+	 * current state of this editing object.
>+	 * 
>+	 * @see UpdateSetStrategy#UpdateSetStrategy()
>+	 * @see #applyToM2TSetStrategy(UpdateSetStrategy)
>+	 */
>+	public final UpdateSetStrategy createM2TSetStrategy() {
>+		return applyToM2TSetStrategy(new UpdateSetStrategy());
>+	}
>+
>+	/**
>+	 * Creates a new model-to-target {@link UpdateSetStrategy} with the given
>+	 * update policy configured by the current state of this editing object.
>+	 * 
>+	 * @param updatePolicy
>+	 * The update policy to use.
>+	 * @return A new model-to-target {@link UpdateSetStrategy} configured by the
>+	 * current state of this editing object.
>+	 * 
>+	 * @see UpdateSetStrategy#UpdateSetStrategy(int)
>+	 * @see #applyToM2TSetStrategy(UpdateSetStrategy)
>+	 */
>+	public final UpdateSetStrategy createM2TSetStrategy(int updatePolicy) {
>+		return applyToM2TSetStrategy(new UpdateSetStrategy(updatePolicy));
>+	}
>+
>+	/**
>+	 * Configures an existing target-to-model {@link UpdateValueStrategy} with
>+	 * the current state of this editing object.
>+	 * 
>+	 * 
>+	 * The configuration is done as follows:
>+	 * <ul>
>+	 * <li>
>+	 * The {@link Constraints#createValidator() validator} of the
>+	 * {@link #targetConstraints() target constraints} is set as the
>+	 * {@link UpdateValueStrategy#setAfterGetValidator(IValidator) after-get
>+	 * validator} of the update strategy.</li>
>+	 * <li>The {@link #setTargetConverter(IConverter) target converter} is set
>+	 * as the {@link UpdateValueStrategy#setConverter(IConverter) converter} of
>+	 * the update strategy.</li>
>+	 * <li>
>+	 * The {@link Constraints#createValidator() validator} of the
>+	 * {@link #modelConstraints() model constraints} is set as the
>+	 * {@link UpdateValueStrategy#setAfterConvertValidator(IValidator)
>+	 * after-convert validator} of the update strategy.</li>
>+	 * <li>The {@link Constraints#createValidator() validator} of the
>+	 * {@link #beforeSetModelConstraints() before-set model constraints} is set
>+	 * as the {@link UpdateValueStrategy#setBeforeSetValidator(IValidator)
>+	 * before-set validator} of the update strategy.</li>
>+	 * </ul>
>+	 * 
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateValueStrategy} to configure.
>+	 * @return The passed-in, configured target-to-model
>+	 * {@link UpdateValueStrategy}.
>+	 * 
>+	 * @see UpdateValueStrategy#setAfterGetValidator(IValidator)
>+	 * @see UpdateValueStrategy#setConverter(IConverter)
>+	 * @see UpdateValueStrategy#setAfterConvertValidator(IValidator)
>+	 * @see UpdateValueStrategy#setBeforeSetValidator(IValidator)
>+	 */
>+	public final UpdateValueStrategy applyToT2MValueStrategy(
>+			UpdateValueStrategy updateStrategy) {
>+		updateStrategy.setAfterGetValidator(createValidator(targetConstraints));
>+		updateStrategy.setConverter(targetConverter);
>+		updateStrategy
>+				.setAfterConvertValidator(createValidator(modelConstraints));
>+		updateStrategy
>+				.setBeforeSetValidator(createValidator(beforeSetModelConstraints));
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Configures an existing model-to-target {@link UpdateValueStrategy} with
>+	 * the current state of this editing object by setting the
>+	 * {@link #setModelConverter(IConverter) model converter} as the
>+	 * {@link UpdateValueStrategy#setConverter(IConverter) converter} of the
>+	 * update strategy.
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateValueStrategy} to configure.
>+	 * @return The passed-in, configured model-to-target
>+	 * {@link UpdateValueStrategy}.
>+	 * 
>+	 * @see UpdateValueStrategy#setConverter(IConverter)
>+	 */
>+	public final UpdateValueStrategy applyToM2TValueStrategy(
>+			UpdateValueStrategy updateStrategy) {
>+		updateStrategy.setConverter(modelConverter);
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Configures an existing target-to-model {@link UpdateListStrategy} with
>+	 * the current state of this editing object by setting the
>+	 * {@link #setTargetConverter(IConverter) target converter} as the
>+	 * {@link UpdateListStrategy#setConverter(IConverter) converter} of the
>+	 * update strategy.
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateListStrategy} to configure.
>+	 * @return The passed-in, configured target-to-model
>+	 * {@link UpdateListStrategy}.
>+	 * 
>+	 * @see UpdateListStrategy#setConverter(IConverter)
>+	 */
>+	public final UpdateListStrategy applyToT2MListStrategy(
>+			UpdateListStrategy updateStrategy) {
>+		updateStrategy.setConverter(targetConverter);
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Configures an existing model-to-target {@link UpdateListStrategy} with
>+	 * the current state of this editing object by setting the
>+	 * {@link #setModelConverter(IConverter) model converter} as the
>+	 * {@link UpdateListStrategy#setConverter(IConverter) converter} of the
>+	 * update strategy.
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateListStrategy} to configure.
>+	 * @return The passed-in, configured model-to-target
>+	 * {@link UpdateListStrategy}.
>+	 * 
>+	 * @see UpdateListStrategy#setConverter(IConverter)
>+	 */
>+	public final UpdateListStrategy applyToM2TListStrategy(
>+			UpdateListStrategy updateStrategy) {
>+		updateStrategy.setConverter(modelConverter);
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Configures an existing target-to-model {@link UpdateListStrategy} with
>+	 * the current state of this editing object by setting the
>+	 * {@link #setTargetConverter(IConverter) target converter} as the
>+	 * {@link UpdateSetStrategy#setConverter(IConverter) converter} of the
>+	 * update strategy.
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateSetStrategy} to configure.
>+	 * @return The passed-in, configured target-to-model
>+	 * {@link UpdateSetStrategy}.
>+	 * 
>+	 * @see UpdateSetStrategy#setConverter(IConverter)
>+	 */
>+	public final UpdateSetStrategy applyToT2MSetStrategy(
>+			UpdateSetStrategy updateStrategy) {
>+		updateStrategy.setConverter(targetConverter);
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Configures an existing model-to-target {@link UpdateSetStrategy} with the
>+	 * current state of this editing object by setting the
>+	 * {@link #setModelConverter(IConverter) model converter} as the
>+	 * {@link UpdateSetStrategy#setConverter(IConverter) converter} of the
>+	 * update strategy.
>+	 * 
>+	 * @param updateStrategy
>+	 * The {@link UpdateSetStrategy} to configure.
>+	 * @return The passed-in, configured model-to-target
>+	 * {@link UpdateSetStrategy}.
>+	 * 
>+	 * @see UpdateSetStrategy#setConverter(IConverter)
>+	 */
>+	public final UpdateSetStrategy applyToM2TSetStrategy(
>+			UpdateSetStrategy updateStrategy) {
>+		updateStrategy.setConverter(modelConverter);
>+		return updateStrategy;
>+	}
>+
>+	/**
>+	 * Converts a target value to a model value by performing the following
>+	 * steps:
>+	 * <ul>
>+	 * <li>
>+	 * Applying all the {@link #targetConstraints() target constraints} to the
>+	 * given target value.</li>
>+	 * <li>
>+	 * {@link #setTargetConverter(IConverter) Converting} the target value to
>+	 * the model value.</li>
>+	 * <li>
>+	 * Applying all the {@link #modelConstraints() model constraints} to the
>+	 * converted model value.</li>
>+	 * <li>
>+	 * Applying all the {@link #beforeSetModelConstraints() before-set model
>+	 * constraints} to the converted model value.</li>
>+	 * </ul>
>+	 * 
>+	 * 
>+	 * The conversion process will be aborted by returning <code>null</code>
>+	 * whenever any of the applied validators produces a {@link IStatus
>+	 * validation status} having {@link IStatus#getSeverity() severity}
>+	 * <code>IStatus.ERROR</code> or <code>IStatus.CANCEL</code>. During the
>+	 * conversion process, any validation status whose severity is different
>+	 * from <code>IStatus.OK</code> will be {@link MultiStatus#merge(IStatus)
>+	 * aggregated} on the given <code>validationStatus</code>.
>+	 * 
>+	 * 
>+	 * @param targetValue
>+	 * The target value to be converted to a model value.
>+	 * @param validationStatus
>+	 * Aggregate validation status to which to add the validations
>+	 * produced during the conversion process.
>+	 * @return The converted model value or <code>null</code> in case the
>+	 * conversion has been aborted due to a validation error.
>+	 */
>+	public final Object convertToModel(Object targetValue,
>+			MultiStatus validationStatus) {
>+		if (!applyConstraints(targetConstraints, targetValue, validationStatus)) {
>+			return null;
>+		}
>+
>+		Object modelValue = (targetConverter != null) ? targetConverter
>+				.convert(targetValue) : targetValue;
>+
>+		if (!applyConstraints(modelConstraints, modelValue, validationStatus)) {
>+			return null;
>+		}
>+
>+		if (!applyConstraints(beforeSetModelConstraints, modelValue,
>+				validationStatus)) {
>+			return null;
>+		}
>+
>+		return modelValue;
>+	}
>+
>+	/**
>+	 * {@link #setModelConverter(IConverter) Converts} a model value to a target
>+	 * value.
>+	 * 
>+	 * @param modelValue
>+	 * The model value to be converted to a target value.
>+	 * @return The converted target value.
>+	 */
>+	public final Object convertToTarget(Object modelValue) {
>+		return (modelConverter != null) ? modelConverter.convert(modelValue)
>+				: modelValue;
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable value on the
>+	 * given binding context by creating new update strategies which will be
>+	 * both configured with the state of this editing object before passing them
>+	 * to the binding.
>+	 * 
>+	 * 
>+	 * The target-to-model and model-to-target update strategies for the binding
>+	 * will be created by the methods {@link #createT2MValueStrategy()} and
>+	 * {@link #createM2TValueStrategy()}, respectively.
>+	 * 
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the value binding.
>+	 * @param targetObservableValue
>+	 * The target observable value of the binding.
>+	 * @param modelObservableValue
>+	 * The model observable value of the binding.
>+	 * @return The new value binding.
>+	 * 
>+	 * @see #createT2MValueStrategy()
>+	 * @see #createM2TValueStrategy()
>+	 * @see DataBindingContext#bindValue(IObservableValue, IObservableValue,
>+	 * UpdateValueStrategy, UpdateValueStrategy)
>+	 */
>+	public final Binding bindValue(DataBindingContext dbc,
>+			IObservableValue targetObservableValue,
>+			IObservableValue modelObservableValue) {
>+		return dbc.bindValue(targetObservableValue, modelObservableValue,
>+				createT2MValueStrategy(), createM2TValueStrategy());
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable value on the
>+	 * given binding context by creating new update strategies with the provided
>+	 * update policies which will be both configured with the state of this
>+	 * editing object before passing them to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the value binding.
>+	 * @param targetObservableValue
>+	 * The target observable value of the binding.
>+	 * @param modelObservableValue
>+	 * The model observable value of the binding.
>+	 * @param t2mUpdatePolicy
>+	 * The update policy for the target-to-model
>+	 * {@link UpdateValueStrategy} which is
>+	 * {@link #createT2MValueStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @param m2tUpdatePolicy
>+	 * The update policy for the model-to-target
>+	 * {@link UpdateValueStrategy} which is
>+	 * {@link #createM2TValueStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @return The new value binding.
>+	 * 
>+	 * @see #createT2MValueStrategy(int)
>+	 * @see #createM2TValueStrategy(int)
>+	 * @see DataBindingContext#bindValue(IObservableValue, IObservableValue,
>+	 * UpdateValueStrategy, UpdateValueStrategy)
>+	 */
>+	public final Binding bindValue(DataBindingContext dbc,
>+			IObservableValue targetObservableValue,
>+			IObservableValue modelObservableValue, int t2mUpdatePolicy,
>+			int m2tUpdatePolicy) {
>+		return dbc.bindValue(targetObservableValue, modelObservableValue,
>+				createT2MValueStrategy(t2mUpdatePolicy),
>+				createM2TValueStrategy(m2tUpdatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable value on the
>+	 * given binding context by using the provided update strategies which will
>+	 * be both configured with the state of this editing object before passing
>+	 * them to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the value binding.
>+	 * @param targetObservableValue
>+	 * The target observable value of the binding.
>+	 * @param modelObservableValue
>+	 * The model observable value of the binding.
>+	 * @param t2mUpdateStrategy
>+	 * The target-to-model {@link UpdateValueStrategy} of the binding
>+	 * to be {@link #applyToT2MValueStrategy(UpdateValueStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @param m2tUpdateStrategy
>+	 * The model-to-target {@link UpdateValueStrategy} of the binding
>+	 * to be {@link #applyToM2TValueStrategy(UpdateValueStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @return The new value binding.
>+	 * 
>+	 * @see #applyToT2MValueStrategy(UpdateValueStrategy)
>+	 * @see #applyToM2TValueStrategy(UpdateValueStrategy)
>+	 * @see DataBindingContext#bindValue(IObservableValue, IObservableValue,
>+	 * UpdateValueStrategy, UpdateValueStrategy)
>+	 */
>+	public final Binding bindValue(DataBindingContext dbc,
>+			IObservableValue targetObservableValue,
>+			IObservableValue modelObservableValue,
>+			UpdateValueStrategy t2mUpdateStrategy,
>+			UpdateValueStrategy m2tUpdateStrategy) {
>+		return dbc.bindValue(targetObservableValue, modelObservableValue,
>+				applyToT2MValueStrategy(t2mUpdateStrategy),
>+				applyToM2TValueStrategy(m2tUpdateStrategy));
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable list on the given
>+	 * binding context by creating new update strategies which will be both
>+	 * configured with the state of this editing object before passing them to
>+	 * the binding.
>+	 * 
>+	 * 
>+	 * The target-to-model and model-to-target update strategies for the binding
>+	 * will be created by the methods {@link #createT2MListStrategy()} and
>+	 * {@link #createM2TListStrategy()}, respectively.
>+	 * 
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the list binding.
>+	 * @param targetObservableList
>+	 * The target observable list of the binding.
>+	 * @param modelObservableList
>+	 * The model observable list of the binding.
>+	 * @return The new list binding.
>+	 * 
>+	 * @see #createT2MListStrategy()
>+	 * @see #createM2TListStrategy()
>+	 * @see DataBindingContext#bindList(IObservableList, IObservableList,
>+	 * UpdateListStrategy, UpdateListStrategy)
>+	 */
>+	public final Binding bindList(DataBindingContext dbc,
>+			IObservableList targetObservableList,
>+			IObservableList modelObservableList) {
>+		return dbc.bindList(targetObservableList, modelObservableList,
>+				createT2MListStrategy(), createM2TListStrategy());
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable list on the given
>+	 * binding context by creating new update strategies with the provided
>+	 * update policies which will be both configured with the state of this
>+	 * editing object before passing them to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the list binding.
>+	 * @param targetObservableList
>+	 * The target observable list of the binding.
>+	 * @param modelObservableList
>+	 * The model observable list of the binding.
>+	 * @param t2mUpdatePolicy
>+	 * The update policy for the target-to-model
>+	 * {@link UpdateListStrategy} which is
>+	 * {@link #createT2MListStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @param m2tUpdatePolicy
>+	 * The update policy for the model-to-target
>+	 * {@link UpdateListStrategy} which is
>+	 * {@link #createM2TListStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @return The new list binding.
>+	 * 
>+	 * @see #createT2MListStrategy(int)
>+	 * @see #createM2TListStrategy(int)
>+	 * @see DataBindingContext#bindList(IObservableList, IObservableList,
>+	 * UpdateListStrategy, UpdateListStrategy)
>+	 */
>+	public final Binding bindList(DataBindingContext dbc,
>+			IObservableList targetObservableList,
>+			IObservableList modelObservableList, int t2mUpdatePolicy,
>+			int m2tUpdatePolicy) {
>+		return dbc.bindList(targetObservableList, modelObservableList,
>+				createT2MListStrategy(t2mUpdatePolicy),
>+				createM2TListStrategy(m2tUpdatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable list on the given
>+	 * binding context by using the provided update strategies which will be
>+	 * both configured with the state of this editing object before passing them
>+	 * to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the list binding.
>+	 * @param targetObservableList
>+	 * The target observable list of the binding.
>+	 * @param modelObservableList
>+	 * The model observable list of the binding.
>+	 * @param t2mUpdateStrategy
>+	 * The target-to-model {@link UpdateListStrategy} of the binding
>+	 * to be {@link #applyToT2MListStrategy(UpdateListStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @param m2tUpdateStrategy
>+	 * The model-to-target {@link UpdateListStrategy} of the binding
>+	 * to be {@link #applyToM2TListStrategy(UpdateListStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @return The new list binding.
>+	 * 
>+	 * @see #applyToT2MListStrategy(UpdateListStrategy)
>+	 * @see #applyToM2TListStrategy(UpdateListStrategy)
>+	 * @see DataBindingContext#bindList(IObservableList, IObservableList,
>+	 * UpdateListStrategy, UpdateListStrategy)
>+	 */
>+	public final Binding bindList(DataBindingContext dbc,
>+			IObservableList targetObservableList,
>+			IObservableList modelObservableList,
>+			UpdateListStrategy t2mUpdateStrategy,
>+			UpdateListStrategy m2tUpdateStrategy) {
>+		return dbc.bindList(targetObservableList, modelObservableList,
>+				applyToT2MListStrategy(t2mUpdateStrategy),
>+				applyToM2TListStrategy(m2tUpdateStrategy));
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable set on the given
>+	 * binding context by creating new update strategies which will be both
>+	 * configured with the state of this editing object before passing them to
>+	 * the binding.
>+	 * 
>+	 * 
>+	 * The target-to-model and model-to-target update strategies for the binding
>+	 * will be created by the methods {@link #createT2MSetStrategy()} and
>+	 * {@link #createM2TSetStrategy()}, respectively.
>+	 * 
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the set binding.
>+	 * @param targetObservableSet
>+	 * The target observable set of the binding.
>+	 * @param modelObservableSet
>+	 * The model observable set of the binding.
>+	 * @return The new set binding.
>+	 * 
>+	 * @see #createT2MSetStrategy()
>+	 * @see #createM2TSetStrategy()
>+	 * @see DataBindingContext#bindSet(IObservableSet, IObservableSet,
>+	 * UpdateSetStrategy, UpdateSetStrategy)
>+	 */
>+	public final Binding bindSet(DataBindingContext dbc,
>+			IObservableSet targetObservableSet,
>+			IObservableSet modelObservableSet) {
>+		return dbc.bindSet(targetObservableSet, modelObservableSet,
>+				createT2MSetStrategy(), createM2TSetStrategy());
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable set on the given
>+	 * binding context by creating new update strategies with the provided
>+	 * update policies which will be both configured with the state of this
>+	 * editing object before passing them to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the set binding.
>+	 * @param targetObservableSet
>+	 * The target observable set of the binding.
>+	 * @param modelObservableSet
>+	 * The model observable set of the binding.
>+	 * @param t2mUpdatePolicy
>+	 * The update policy for the target-to-model
>+	 * {@link UpdateSetStrategy} which is
>+	 * {@link #createT2MSetStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @param m2tUpdatePolicy
>+	 * The update policy for the model-to-target
>+	 * {@link UpdateSetStrategy} which is
>+	 * {@link #createM2TSetStrategy(int) created} and passed to the
>+	 * new binding.
>+	 * @return The new set binding.
>+	 * 
>+	 * @see #createT2MSetStrategy(int)
>+	 * @see #createM2TSetStrategy(int)
>+	 * @see DataBindingContext#bindSet(IObservableSet, IObservableSet,
>+	 * UpdateSetStrategy, UpdateSetStrategy)
>+	 */
>+	public final Binding bindSet(DataBindingContext dbc,
>+			IObservableSet targetObservableSet,
>+			IObservableSet modelObservableSet, int t2mUpdatePolicy,
>+			int m2tUpdatePolicy) {
>+		return dbc.bindSet(targetObservableSet, modelObservableSet,
>+				createT2MSetStrategy(t2mUpdatePolicy),
>+				createM2TSetStrategy(m2tUpdatePolicy));
>+	}
>+
>+	/**
>+	 * Creates a binding between a target and model observable set on the given
>+	 * binding context by using the provided update strategies which will be
>+	 * both configured with the state of this editing object before passing them
>+	 * to the binding.
>+	 * 
>+	 * @param dbc
>+	 * The binding context on which to create the set binding.
>+	 * @param targetObservableSet
>+	 * The target observable set of the binding.
>+	 * @param modelObservableSet
>+	 * The model observable set of the binding.
>+	 * @param t2mUpdateStrategy
>+	 * The target-to-model {@link UpdateSetStrategy} of the binding
>+	 * to be {@link #applyToT2MSetStrategy(UpdateSetStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @param m2tUpdateStrategy
>+	 * The model-to-target {@link UpdateSetStrategy} of the binding
>+	 * to be {@link #applyToM2TSetStrategy(UpdateSetStrategy)
>+	 * configured} with the state of this editing object before
>+	 * passing it to the binding.
>+	 * @return The new set binding.
>+	 * 
>+	 * @see #applyToT2MSetStrategy(UpdateSetStrategy)
>+	 * @see #applyToM2TSetStrategy(UpdateSetStrategy)
>+	 * @see DataBindingContext#bindSet(IObservableSet, IObservableSet,
>+	 * UpdateSetStrategy, UpdateSetStrategy)
>+	 */
>+	public final Binding bindSet(DataBindingContext dbc,
>+			IObservableSet targetObservableSet,
>+			IObservableSet modelObservableSet,
>+			UpdateSetStrategy t2mUpdateStrategy,
>+			UpdateSetStrategy m2tUpdateStrategy) {
>+		return dbc.bindSet(targetObservableSet, modelObservableSet,
>+				applyToT2MSetStrategy(t2mUpdateStrategy),
>+				applyToM2TSetStrategy(m2tUpdateStrategy));
>+	}
>+
>+	private static IValidator createValidator(Constraints constraints) {
>+		return constraints != null ? constraints.createValidator() : null;
>+	}
>+
>+	private static boolean applyConstraints(Constraints constraints, Object value,
>+			MultiStatus aggregateStatus) {
>+		IValidator validator = createValidator(constraints);
>+		if (validator != null) {
>+			IStatus validationStatus = validator.validate(value);
>+			if (!validationStatus.isOK()) {
>+				aggregateStatus.merge(validationStatus);
>+			}
>+			return isValid(validationStatus);
>+		}
>+		return true;
>+	}
>+
>+	private static boolean isValid(IStatus status) {
>+		return status.isOK() || status.matches(IStatus.INFO | IStatus.WARNING);
>+	}
>+}
>Index: src/org/eclipse/core/databinding/editing/IntegerEditing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/IntegerEditing.java
>diff -N src/org/eclipse/core/databinding/editing/IntegerEditing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/IntegerEditing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,571 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import org.eclipse.core.databinding.conversion.NumberToStringConverter;
>+import org.eclipse.core.databinding.conversion.StringToNumberConverter;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.IntegerConstraints;
>+import org.eclipse.core.databinding.validation.constraint.StringConstraints;
>+import org.eclipse.core.internal.databinding.validation.AbstractStringToNumberValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToByteValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToIntegerValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToLongValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToShortValidator;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class IntegerEditing extends Editing {
>+
>+	private final NumberFormat displayFormat;
>+
>+	private IntegerEditing(NumberFormat format, String parseErrorMessage,
>+			String outOfRangeMessage, Class integerType) {
>+		this.displayFormat = format;
>+
>+		final StringToNumberConverter targetConverter;
>+		final NumberToStringConverter modelConverter;
>+		final AbstractStringToNumberValidator targetValidator;
>+		if (Long.class.equals(integerType)) {
>+			targetConverter = StringToNumberConverter.toLong(format, false);
>+			modelConverter = NumberToStringConverter.fromLong(format, false);
>+			targetValidator = new StringToLongValidator(targetConverter);
>+		} else if (Integer.class.equals(integerType)) {
>+			targetConverter = StringToNumberConverter.toInteger(format, false);
>+			modelConverter = NumberToStringConverter.fromInteger(format, false);
>+			targetValidator = new StringToIntegerValidator(targetConverter);
>+		} else if (Short.class.equals(integerType)) {
>+			targetConverter = StringToNumberConverter.toShort(format, false);
>+			modelConverter = NumberToStringConverter.fromShort(format, false);
>+			targetValidator = new StringToShortValidator(targetConverter);
>+		} else if (Byte.class.equals(integerType)) {
>+			targetConverter = StringToNumberConverter.toByte(format, false);
>+			modelConverter = NumberToStringConverter.fromByte(format, false);
>+			targetValidator = new StringToByteValidator(targetConverter);
>+		} else {
>+			throw new IllegalArgumentException(
>+					"Unsupported integer type: " + integerType); //$NON-NLS-1$
>+		}
>+
>+		if (parseErrorMessage != null) {
>+			targetValidator.setParseErrorMessage(parseErrorMessage);
>+		}
>+		if (outOfRangeMessage != null) {
>+			targetValidator.setOutOfRangeMessage(outOfRangeMessage);
>+		}
>+
>+		targetConstraints().addValidator(targetValidator);
>+		setTargetConverter(targetConverter);
>+		setModelConverter(modelConverter);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Long}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withLongDefaults() {
>+		return withLongDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Long}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Long.MIN_VALUE</code> and
>+	 * <code>Long.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withLongDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new IntegerEditing(NumberFormat.getIntegerInstance(),
>+				parseErrorMessage, outOfRangeMessage, Long.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Long}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forLongFormat(NumberFormat format) {
>+		return forLongFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Long}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Long.MIN_VALUE</code> and
>+	 * <code>Long.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forLongFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new IntegerEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Long.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Integer}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withIntegerDefaults() {
>+		return withIntegerDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Integer}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Integer.MIN_VALUE</code> and
>+	 * <code>Integer.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withIntegerDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new IntegerEditing(NumberFormat.getIntegerInstance(),
>+				parseErrorMessage, outOfRangeMessage, Integer.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Integer}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forIntegerFormat(NumberFormat format) {
>+		return forIntegerFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Integer}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Integer.MIN_VALUE</code> and
>+	 * <code>Integer.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forIntegerFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new IntegerEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Integer.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Short}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withShortDefaults() {
>+		return withShortDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Short}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Short.MIN_VALUE</code> and
>+	 * <code>Short.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withShortDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new IntegerEditing(NumberFormat.getIntegerInstance(),
>+				parseErrorMessage, outOfRangeMessage, Short.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Short}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forShortFormat(NumberFormat format) {
>+		return forShortFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Short}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Short.MIN_VALUE</code> and
>+	 * <code>Short.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forShortFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new IntegerEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Short.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Byte}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withByteDefaults() {
>+		return withByteDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Byte}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Byte.MIN_VALUE</code> and
>+	 * <code>Byte.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getIntegerInstance()
>+	 */
>+	public static IntegerEditing withByteDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new IntegerEditing(NumberFormat.getIntegerInstance(),
>+				parseErrorMessage, outOfRangeMessage, Byte.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Byte}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forByteFormat(NumberFormat format) {
>+		return forByteFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Byte}s whose validations and
>+	 * conversions used for editing are based on the given integer format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The integer format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to an integer.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents an integer whose value is out of range. Can be
>+	 * parameterized by the <code>Byte.MIN_VALUE</code> and
>+	 * <code>Byte.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given integer format.
>+	 */
>+	public static IntegerEditing forByteFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new IntegerEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Byte.class);
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string target constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) targetConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints targetStringConstraints() {
>+		return (StringConstraints) targetConstraints();
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link IntegerConstraints
>+	 * integer model constraints} of this editing object and is equivalent to
>+	 * {@code (IntegerConstraints) modelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 * @see IntegerConstraints
>+	 */
>+	public IntegerConstraints modelIntegerConstraints() {
>+		return (IntegerConstraints) modelConstraints();
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link IntegerConstraints
>+	 * integer before-set model constraints} of this editing object and is
>+	 * equivalent to {@code (IntegerConstraints) beforeSetModelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 * @see IntegerConstraints
>+	 */
>+	public IntegerConstraints beforeSetModelIntegerConstraints() {
>+		return (IntegerConstraints) beforeSetModelConstraints();
>+	}
>+
>+	protected Constraints createTargetConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createModelConstraints() {
>+		return new IntegerConstraints().integerDisplayFormat(displayFormat);
>+	}
>+
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new IntegerConstraints().integerDisplayFormat(displayFormat);
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link IntegerConstraints#required()
>+	 * required constraint} to the set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#required()
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing required() {
>+		modelIntegerConstraints().required();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link IntegerConstraints#greater(long)
>+	 * greater constraint} to the set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the greater constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#greater(long)
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing greater(long number) {
>+		modelIntegerConstraints().greater(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link IntegerConstraints#greaterEqual(long) greater-equal constraint} to
>+	 * the set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the greater-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#greaterEqual(long)
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing greaterEqual(long number) {
>+		modelIntegerConstraints().greaterEqual(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link IntegerConstraints#less(long) less
>+	 * constraint} to the set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the less constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#less(long)
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing less(long number) {
>+		modelIntegerConstraints().less(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link IntegerConstraints#lessEqual(long) less-equal constraint} to the
>+	 * set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the less-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#lessEqual(long)
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing lessEqual(long number) {
>+		modelIntegerConstraints().lessEqual(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link IntegerConstraints#range(long, long) range constraint} to the set
>+	 * of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @param min
>+	 * The min number of the range constraint.
>+	 * @param max
>+	 * The max number of the range constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#range(long, long)
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing range(long min, long max) {
>+		modelIntegerConstraints().range(min, max);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link IntegerConstraints#positive()
>+	 * positive constraint} to the set of {@link #modelIntegerConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#positive()
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing positive() {
>+		modelIntegerConstraints().positive();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link IntegerConstraints#nonNegative()
>+	 * non-negative constraint} to the set of {@link #modelIntegerConstraints()}
>+	 * .
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see IntegerConstraints#nonNegative()
>+	 * @see #modelIntegerConstraints()
>+	 */
>+	public IntegerEditing nonNegative() {
>+		modelIntegerConstraints().nonNegative();
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/DecimalScaleValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/DecimalScaleValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/DecimalScaleValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/DecimalScaleValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,86 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.text.MessageFormat;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+import com.ibm.icu.math.BigDecimal;
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class DecimalScaleValidator implements IValidator {
>+
>+	private static final String MAX_SCALE_VALIDATION_MESSAGE = BindingMessages
>+			.getString(BindingMessages.VALIDATE_DECIMAL_MAX_SCALE);
>+
>+	private final int maxScale;
>+
>+	private final String validationMessage;
>+
>+	private String formattedValidationMessage;
>+
>+	private final NumberFormat integerDisplayFormat;
>+
>+	private DecimalScaleValidator(int maxScale, String maxScaleMessage,
>+			NumberFormat integerDisplayFormat) {
>+		this.maxScale = maxScale;
>+		this.validationMessage = maxScaleMessage != null ? maxScaleMessage
>+				: MAX_SCALE_VALIDATION_MESSAGE;
>+		this.integerDisplayFormat = integerDisplayFormat;
>+	}
>+
>+	/**
>+	 * 
>+	 * @param maxScale
>+	 * @param maxScaleMessage
>+	 * @param integerDisplayFormat
>+	 * @return .
>+	 */
>+	public static DecimalScaleValidator maxScale(int maxScale,
>+			String maxScaleMessage, NumberFormat integerDisplayFormat) {
>+		return new DecimalScaleValidator(maxScale, maxScaleMessage,
>+				integerDisplayFormat);
>+	}
>+
>+	public IStatus validate(Object value) {
>+		if (value != null) {
>+			Number number = (Number) value;
>+			int scale = new BigDecimal(number.doubleValue()).scale();
>+			if (scale > maxScale) {
>+				return ValidationStatus.error(getFormattedValidationMessage());
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+
>+	private synchronized String getFormattedValidationMessage() {
>+		if (formattedValidationMessage == null) {
>+			formattedValidationMessage = MessageFormat.format(
>+					validationMessage, getValidationMessageArguments());
>+		}
>+		return formattedValidationMessage;
>+	}
>+
>+	private String[] getValidationMessageArguments() {
>+		synchronized (integerDisplayFormat) {
>+			return new String[] { integerDisplayFormat.format(new Integer(
>+					maxScale)) };
>+		}
>+	}
>+}
>Index: src/org/eclipse/core/databinding/editing/DateEditing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/DateEditing.java
>diff -N src/org/eclipse/core/databinding/editing/DateEditing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/DateEditing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,279 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import java.util.Date;
>+
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.DateConstraints;
>+import org.eclipse.core.databinding.validation.constraint.StringConstraints;
>+import org.eclipse.core.internal.databinding.conversion.DateToStringConverter;
>+import org.eclipse.core.internal.databinding.conversion.StringToDateConverter;
>+import org.eclipse.core.internal.databinding.validation.StringToDateValidator;
>+
>+import com.ibm.icu.text.DateFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class DateEditing extends Editing {
>+
>+	private final DateFormat displayFormat;
>+
>+	private DateEditing(DateFormat[] inputFormats, String parseErrorMessage,
>+			DateFormat displayFormat) {
>+		this.displayFormat = displayFormat;
>+
>+		StringToDateConverter targetConverter = new StringToDateConverter();
>+		if (inputFormats != null) {
>+			targetConverter.setFormatters(inputFormats);
>+		}
>+
>+		DateToStringConverter modelConverter = new DateToStringConverter();
>+		if (displayFormat != null) {
>+			modelConverter.setFormatters(new DateFormat[] { displayFormat });
>+		}
>+
>+		StringToDateValidator targetValidator = new StringToDateValidator(
>+				targetConverter);
>+		if (parseErrorMessage != null) {
>+			targetValidator.setParseErrorMessage(parseErrorMessage);
>+		}
>+
>+		setTargetConverter(targetConverter);
>+		setModelConverter(modelConverter);
>+		targetConstraints().addValidator(targetValidator);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which defaults the validations and
>+	 * conversions used for editing. Uses the default validation message.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 */
>+	public static DateEditing withDefaults() {
>+		return withDefaults(null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which defaults the validations and
>+	 * conversions used for editing. Uses the specified custom validation
>+	 * message.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a date.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 */
>+	public static DateEditing withDefaults(String parseErrorMessage) {
>+		return new DateEditing(null, parseErrorMessage, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which supports all the given date input
>+	 * formats and which uses the specified format for displaying a date. Uses
>+	 * the default validation message.
>+	 * 
>+	 * @param inputFormats
>+	 * The date formats supported for reading in dates.
>+	 * @param displayFormat
>+	 * The date format for displaying dates.
>+	 * @return The new editing object configured by the given date formats.
>+	 */
>+	public static DateEditing forFormats(DateFormat[] inputFormats,
>+			DateFormat displayFormat) {
>+		return new DateEditing(inputFormats, null, displayFormat);
>+	}
>+
>+	/**
>+	 * Creates a new editing object which supports all the given date input
>+	 * formats and which uses the specified format for displaying a date. Uses
>+	 * the specified custom validation message.
>+	 * 
>+	 * @param inputFormats
>+	 * The date formats supported for reading in dates.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a date.
>+	 * @param displayFormat
>+	 * The date format for displaying dates.
>+	 * @return The new editing object configured by the given date formats.
>+	 */
>+	public static DateEditing forFormats(DateFormat[] inputFormats,
>+			String parseErrorMessage, DateFormat displayFormat) {
>+		return new DateEditing(inputFormats, parseErrorMessage, displayFormat);
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string target constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) targetConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints targetStringConstraints() {
>+		return (StringConstraints) targetConstraints();
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link DateConstraints date
>+	 * model constraints} of this editing object and is equivalent to {@code
>+	 * (DateConstraints) modelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 * @see DateConstraints
>+	 */
>+	public DateConstraints modelDateConstraints() {
>+		return (DateConstraints) modelConstraints();
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link DateConstraints date
>+	 * before-set model constraints} of this editing object and is equivalent to
>+	 * {@code (DateConstraints) beforeSetModelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 * @see DateConstraints
>+	 */
>+	public DateConstraints beforeSetModelDateConstraints() {
>+		return (DateConstraints) beforeSetModelConstraints();
>+	}
>+
>+	protected Constraints createTargetConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createModelConstraints() {
>+		return new DateConstraints().dateDisplayFormat(displayFormat);
>+	}
>+
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new DateConstraints().dateDisplayFormat(displayFormat);
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#required()
>+	 * required constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#required()
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing required() {
>+		modelDateConstraints().required();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#after(Date) after
>+	 * constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @param date
>+	 * The date of the after constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#after(Date)
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing after(Date date) {
>+		modelDateConstraints().after(date);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#afterEqual(Date)
>+	 * after-equal constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @param date
>+	 * The date of the after-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#afterEqual(Date)
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing afterEqual(Date date) {
>+		modelDateConstraints().afterEqual(date);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#before(Date)
>+	 * before constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @param date
>+	 * The date of the before constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#before(Date)
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing before(Date date) {
>+		modelDateConstraints().before(date);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#beforeEqual(Date)
>+	 * after-equal constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @param date
>+	 * The date of the after-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#afterEqual(Date)
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing beforeEqual(Date date) {
>+		modelDateConstraints().beforeEqual(date);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DateConstraints#range(Date, Date)
>+	 * range constraint} to the set of {@link #modelDateConstraints()}.
>+	 * 
>+	 * @param minDate
>+	 * The min date of the range constraint.
>+	 * @param maxDate
>+	 * The max date of the range constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DateConstraints#range(Date, Date)
>+	 * @see #modelDateConstraints()
>+	 */
>+	public DateEditing range(Date minDate, Date maxDate) {
>+		modelDateConstraints().range(minDate, maxDate);
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/StringRegexValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/StringRegexValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/StringRegexValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/StringRegexValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,70 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import java.text.MessageFormat;
>+import java.util.regex.Matcher;
>+import java.util.regex.Pattern;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+/**
>+ * Provides validations for strings which must match a given regular expression.
>+ * 
>+ * @since 1.4
>+ */
>+public class StringRegexValidator implements IValidator {
>+
>+	private static final String REGEX_VALIDATION_MESSAGE = BindingMessages
>+			.getString(BindingMessages.VALIDATE_STRING_REGEX);
>+
>+	private final Pattern pattern;
>+	private final String validationMessage;
>+	private String formattedValidationMessage;
>+
>+	/**
>+	 * Creates a new regex validator.
>+	 * 
>+	 * @param regex
>+	 * The regular expression which the input string must match.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given regular expression string.
>+	 */
>+	public StringRegexValidator(String regex, String validationMessage) {
>+		this.pattern = Pattern.compile(regex);
>+		this.validationMessage = validationMessage != null ? validationMessage
>+				: REGEX_VALIDATION_MESSAGE;
>+	}
>+
>+	public IStatus validate(Object value) {
>+		String input = (String) value;
>+		if (input != null) {
>+			Matcher matcher = pattern.matcher(input);
>+			if (!matcher.matches()) {
>+				return ValidationStatus.error(getFormattedValidationMessage());
>+			}
>+		}
>+		return ValidationStatus.ok();
>+	}
>+
>+	private String getFormattedValidationMessage() {
>+		if (formattedValidationMessage == null) {
>+			formattedValidationMessage = MessageFormat.format(
>+					validationMessage, new String[] { pattern.pattern() });
>+		}
>+		return formattedValidationMessage;
>+	}
>+}
>Index: src/org/eclipse/core/databinding/editing/DecimalEditing.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/editing/DecimalEditing.java
>diff -N src/org/eclipse/core/databinding/editing/DecimalEditing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/editing/DecimalEditing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,425 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.editing;
>+
>+import org.eclipse.core.databinding.conversion.NumberToStringConverter;
>+import org.eclipse.core.databinding.conversion.StringToNumberConverter;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.DecimalConstraints;
>+import org.eclipse.core.databinding.validation.constraint.StringConstraints;
>+import org.eclipse.core.internal.databinding.validation.AbstractStringToNumberValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToDoubleValidator;
>+import org.eclipse.core.internal.databinding.validation.StringToFloatValidator;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class DecimalEditing extends Editing {
>+
>+	private final NumberFormat displayFormat;
>+
>+	private DecimalEditing(NumberFormat format, String parseErrorMessage,
>+			String outOfRangeMessage, Class decimalType) {
>+		this.displayFormat = format;
>+
>+		final StringToNumberConverter targetConverter;
>+		final NumberToStringConverter modelConverter;
>+		final AbstractStringToNumberValidator targetValidator;
>+		if (Double.class.equals(decimalType)) {
>+			targetConverter = StringToNumberConverter.toDouble(format, false);
>+			modelConverter = NumberToStringConverter.fromDouble(format, false);
>+			targetValidator = new StringToDoubleValidator(targetConverter);
>+		} else if (Float.class.equals(decimalType)) {
>+			targetConverter = StringToNumberConverter.toFloat(format, false);
>+			modelConverter = NumberToStringConverter.fromFloat(format, false);
>+			targetValidator = new StringToFloatValidator(targetConverter);
>+		} else {
>+			throw new IllegalArgumentException(
>+					"Unsupported decimal type: " + decimalType); //$NON-NLS-1$
>+		}
>+
>+		if (parseErrorMessage != null) {
>+			targetValidator.setParseErrorMessage(parseErrorMessage);
>+		}
>+		if (outOfRangeMessage != null) {
>+			targetValidator.setOutOfRangeMessage(outOfRangeMessage);
>+		}
>+
>+		targetConstraints().addValidator(targetValidator);
>+		setTargetConverter(targetConverter);
>+		setModelConverter(modelConverter);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Double}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getNumberInstance()
>+	 */
>+	public static DecimalEditing withDoubleDefaults() {
>+		return withDoubleDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Double}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a double.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents a double whose value is out of range. Can be
>+	 * parameterized by the <code>-Double.MAX_VALUE</code> and
>+	 * <code>+Double.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getNumberInstance()
>+	 */
>+	public static DecimalEditing withDoubleDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new DecimalEditing(NumberFormat.getNumberInstance(),
>+				parseErrorMessage, outOfRangeMessage, Double.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Double}s whose validations and
>+	 * conversions used for editing are based on the given number format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The number format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given number format.
>+	 */
>+	public static DecimalEditing forDoubleFormat(NumberFormat format) {
>+		return forDoubleFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Double}s whose validations and
>+	 * conversions used for editing are based on the given number format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The number format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a double.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents a double whose value is out of range. Can be
>+	 * parameterized by the <code>-Double.MAX_VALUE</code> and
>+	 * <code>+Double.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given number format.
>+	 */
>+	public static DecimalEditing forDoubleFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new DecimalEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Double.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Float}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the default validation messages.
>+	 * 
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getNumberInstance()
>+	 */
>+	public static DecimalEditing withFloatDefaults() {
>+		return withFloatDefaults(null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Float}s which defaults the
>+	 * validations and conversions used for editing based on the platform's
>+	 * locale. Uses the specified custom validation messages.
>+	 * 
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a double.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents a float whose value is out of range. Can be
>+	 * parameterized by the <code>-Float.MAX_VALUE</code> and
>+	 * <code>+Float.MAX_VALUE</code> values.
>+	 * @return The new editing object using the default validations and
>+	 * conversions for editing.
>+	 * 
>+	 * @see NumberFormat#getNumberInstance()
>+	 */
>+	public static DecimalEditing withFloatDefaults(String parseErrorMessage,
>+			String outOfRangeMessage) {
>+		return new DecimalEditing(NumberFormat.getNumberInstance(),
>+				parseErrorMessage, outOfRangeMessage, Float.class);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Float}s whose validations and
>+	 * conversions used for editing are based on the given number format. Uses
>+	 * the default validation messages.
>+	 * 
>+	 * @param format
>+	 * The number format defining the validations and conversions
>+	 * used for editing.
>+	 * @return The new editing object configured by the given number format.
>+	 */
>+	public static DecimalEditing forFloatFormat(NumberFormat format) {
>+		return forFloatFormat(format, null, null);
>+	}
>+
>+	/**
>+	 * Creates a new editing object for {@link Float}s whose validations and
>+	 * conversions used for editing are based on the given number format. Uses
>+	 * the specified custom validation messages.
>+	 * 
>+	 * @param format
>+	 * The number format defining the validations and conversions
>+	 * used for editing.
>+	 * @param parseErrorMessage
>+	 * The validation message issued in case the input string cannot
>+	 * be parsed to a float.
>+	 * @param outOfRangeMessage
>+	 * The validation message issued in case the input string
>+	 * represents a float whose value is out of range. Can be
>+	 * parameterized by the <code>-Float.MAX_VALUE</code> and
>+	 * <code>+Float.MAX_VALUE</code> values.
>+	 * @return The new editing object configured by the given number format.
>+	 */
>+	public static DecimalEditing forFloatFormat(NumberFormat format,
>+			String parseErrorMessage, String outOfRangeMessage) {
>+		return new DecimalEditing(format, parseErrorMessage, outOfRangeMessage,
>+				Float.class);
>+	}
>+
>+	/**
>+	 * Returns the target constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link StringConstraints
>+	 * string target constraints} of this editing object and is equivalent to
>+	 * {@code (StringConstraints) targetConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #targetConstraints()
>+	 * @see StringConstraints
>+	 */
>+	public StringConstraints targetStringConstraints() {
>+		return (StringConstraints) targetConstraints();
>+	}
>+
>+	/**
>+	 * Returns the model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link DecimalConstraints
>+	 * decimal model constraints} of this editing object and is equivalent to
>+	 * {@code (DecimalConstraints) modelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #modelConstraints()
>+	 * @see DecimalConstraints
>+	 */
>+	public DecimalConstraints modelDecimalConstraints() {
>+		return (DecimalConstraints) modelConstraints();
>+	}
>+
>+	/**
>+	 * Returns the before-set model constraints to apply.
>+	 * 
>+	 * 
>+	 * This method provides a typesafe access to the {@link DecimalConstraints
>+	 * decimal before-set model constraints} of this editing object and is
>+	 * equivalent to {@code (DecimalConstraints) beforeSetModelConstraints()}.
>+	 * 
>+	 * 
>+	 * @return The target constraints to apply.
>+	 * 
>+	 * @see #beforeSetModelConstraints()
>+	 * @see DecimalConstraints
>+	 */
>+	public DecimalConstraints beforeSetModelDecimalConstraints() {
>+		return (DecimalConstraints) beforeSetModelConstraints();
>+	}
>+
>+	protected Constraints createTargetConstraints() {
>+		return new StringConstraints();
>+	}
>+
>+	protected Constraints createModelConstraints() {
>+		return new DecimalConstraints().decimalDisplayFormat(displayFormat);
>+	}
>+
>+	protected Constraints createBeforeSetModelConstraints() {
>+		return new DecimalConstraints().decimalDisplayFormat(displayFormat);
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DecimalConstraints#required()
>+	 * required constraint} to the set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#required()
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing required() {
>+		modelDecimalConstraints().required();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link DecimalConstraints#greater(double) greater constraint} to the set
>+	 * of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the greater constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#greater(double)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing greater(double number) {
>+		modelDecimalConstraints().greater(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link DecimalConstraints#greaterEqual(double) greater-equal constraint}
>+	 * to the set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the greater-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#greaterEqual(double)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing greaterEqual(double number) {
>+		modelDecimalConstraints().greaterEqual(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DecimalConstraints#less(double)
>+	 * less constraint} to the set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the less constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#less(double)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing less(double number) {
>+		modelDecimalConstraints().less(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link DecimalConstraints#lessEqual(double) less-equal constraint} to the
>+	 * set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @param number
>+	 * The number of the less-equal constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#lessEqual(double)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing lessEqual(double number) {
>+		modelDecimalConstraints().lessEqual(number);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a
>+	 * {@link DecimalConstraints#range(double, double) range constraint} to the
>+	 * set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @param min
>+	 * The min number of the range constraint.
>+	 * @param max
>+	 * The max number of the range constraint.
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#range(double, double)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing range(double min, double max) {
>+		modelDecimalConstraints().range(min, max);
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DecimalConstraints#positive()
>+	 * positive constraint} to the set of {@link #modelDecimalConstraints()}.
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#positive()
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing positive() {
>+		modelDecimalConstraints().positive();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DecimalConstraints#nonNegative()
>+	 * non-negative constraint} to the set of {@link #modelDecimalConstraints()}
>+	 * .
>+	 * 
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#nonNegative()
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing nonNegative() {
>+		modelDecimalConstraints().nonNegative();
>+		return this;
>+	}
>+
>+	/**
>+	 * Convenience method which adds a {@link DecimalConstraints#maxScale(int)
>+	 * max-scale constraint} to the set of {@link #modelDecimalConstraints()} .
>+	 * 
>+	 * @param scale
>+	 * @return This editing instance for method chaining.
>+	 * 
>+	 * @see DecimalConstraints#maxScale(int)
>+	 * @see #modelDecimalConstraints()
>+	 */
>+	public DecimalEditing maxScale(int scale) {
>+		modelDecimalConstraints().maxScale(scale);
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/IntegerRangeValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/IntegerRangeValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/IntegerRangeValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/IntegerRangeValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,206 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * Provides validations for integer numbers which must lie within an open/closed
>+ * range.
>+ * 
>+ * @since 1.4
>+ */
>+public class IntegerRangeValidator extends NumberRangeValidator {
>+
>+	private static final Long ZERO = new Long(0);
>+	private static final Long ONE = new Long(1);
>+
>+	/**
>+	 * Single constructor which supports the individual integer range types.
>+	 * 
>+	 * @param min
>+	 * The min integer of the range or <code>null</code> in case no
>+	 * lower bound is defined.
>+	 * @param max
>+	 * The max integer of the range or <code>null</code> in case no
>+	 * upper bound is defined.
>+	 * @param minConstraint
>+	 * The type of constraint imposed by the lower bound of the
>+	 * range.
>+	 * @param maxConstraint
>+	 * The type of constraint imposed by the upper bound of the
>+	 * range.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized by
>+	 * the lower and upper bound of the range, if defined.
>+	 * @param format
>+	 * The integer format to use for formatting integers in the
>+	 * validation message.
>+	 */
>+	private IntegerRangeValidator(Number min, Number max, int minConstraint,
>+			int maxConstraint, String validationMessage, NumberFormat format) {
>+		super(min, max, minConstraint, maxConstraint, validationMessage, format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is greater than
>+	 * the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the greater constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator greater(long number,
>+			String validationMessage, NumberFormat format) {
>+		return new IntegerRangeValidator(new Long(number), null, GREATER,
>+				UNDEFINED, defaultIfNull(validationMessage, GREATER_MESSAGE),
>+				format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is greater than or
>+	 * equal to the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the greater-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator greaterEqual(long number,
>+			String validationMessage, NumberFormat format) {
>+		return new IntegerRangeValidator(new Long(number), null, GREATER_EQUAL,
>+				UNDEFINED, defaultIfNull(validationMessage,
>+						GREATER_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is less than the
>+	 * given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the less constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator less(long number,
>+			String validationMessage, NumberFormat format) {
>+		return new IntegerRangeValidator(null, new Long(number), UNDEFINED,
>+				LESS, defaultIfNull(validationMessage, LESS_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is less than or
>+	 * equal to the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the less-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator lessEqual(long number,
>+			String validationMessage, NumberFormat format) {
>+		return new IntegerRangeValidator(null, new Long(number), UNDEFINED,
>+				LESS_EQUAL,
>+				defaultIfNull(validationMessage, LESS_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is within the
>+	 * given range.
>+	 * 
>+	 * @param min
>+	 * The lower bound of the range (inclusive).
>+	 * @param max
>+	 * The upper bound of the range (inclusive).
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the range's lower and upper bound.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator range(long min, long max,
>+			String validationMessage, NumberFormat format) {
>+		return new IntegerRangeValidator(new Long(min), new Long(max),
>+				GREATER_EQUAL, LESS_EQUAL, defaultIfNull(validationMessage,
>+						WITHIN_RANGE_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is positive.
>+	 * 
>+	 * @param validationMessage
>+	 * The validation message to use.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator positive(String validationMessage,
>+			NumberFormat format) {
>+		return new IntegerRangeValidator(ONE, null, GREATER_EQUAL, UNDEFINED,
>+				defaultIfNull(validationMessage, POSITIVE_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input integer is non-negative.
>+	 * 
>+	 * @param validationMessage
>+	 * The validation message to use.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static IntegerRangeValidator nonNegative(String validationMessage,
>+			NumberFormat format) {
>+		return new IntegerRangeValidator(ZERO, null, GREATER_EQUAL, UNDEFINED,
>+				defaultIfNull(validationMessage, NON_NEGATIVE_MESSAGE), format);
>+	}
>+
>+	protected int compare(Number number1, Number number2) {
>+		long diff = number1.longValue() - number2.longValue();
>+		if (diff < 0) {
>+			return -1;
>+		}
>+		if (diff > 0) {
>+			return +1;
>+		}
>+		return 0;
>+	}
>+
>+	private static String defaultIfNull(String string, String defaultString) {
>+		return (string != null) ? string : defaultString;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/NonNullValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/NonNullValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/NonNullValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/NonNullValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,42 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class NonNullValidator implements IValidator {
>+
>+	private static final String NON_NULL_VALIDATION_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NON_NULL);
>+
>+	private final String validationMessage;
>+
>+	/**
>+	 * @param validationMessage
>+	 */
>+	public NonNullValidator(String validationMessage) {
>+		this.validationMessage = validationMessage != null ? validationMessage
>+				: NON_NULL_VALIDATION_MESSAGE;
>+	}
>+
>+	public IStatus validate(Object value) {
>+		if (value == null) {
>+			return ValidationStatus.error(validationMessage);
>+		}
>+		return ValidationStatus.ok();
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/DecimalRangeValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/DecimalRangeValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/DecimalRangeValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/DecimalRangeValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,206 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * Provides validations for decimal numbers which must lie within an open/closed
>+ * range.
>+ * 
>+ * @since 1.4
>+ */
>+public class DecimalRangeValidator extends NumberRangeValidator {
>+
>+	private static final Double ZERO = new Double(0);
>+	private static final Double ONE = new Double(1);
>+
>+	/**
>+	 * Single constructor which supports the individual decimal range types.
>+	 * 
>+	 * @param min
>+	 * The min decimal of the range or <code>null</code> in case no
>+	 * lower bound is defined.
>+	 * @param max
>+	 * The max decimal of the range or <code>null</code> in case no
>+	 * upper bound is defined.
>+	 * @param minConstraint
>+	 * The type of constraint imposed by the lower bound of the
>+	 * range.
>+	 * @param maxConstraint
>+	 * The type of constraint imposed by the upper bound of the
>+	 * range.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized by
>+	 * the lower and upper bound of the range, if defined.
>+	 * @param format
>+	 * The decimal format to use for formatting integers in the
>+	 * validation message.
>+	 */
>+	private DecimalRangeValidator(Number min, Number max, int minConstraint,
>+			int maxConstraint, String validationMessage, NumberFormat format) {
>+		super(min, max, minConstraint, maxConstraint, validationMessage, format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is greater than
>+	 * the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the greater constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator greater(double number,
>+			String validationMessage, NumberFormat format) {
>+		return new DecimalRangeValidator(new Double(number), null, GREATER,
>+				UNDEFINED, defaultIfNull(validationMessage, GREATER_MESSAGE),
>+				format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is greater than or
>+	 * equal to the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the greater-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator greaterEqual(double number,
>+			String validationMessage, NumberFormat format) {
>+		return new DecimalRangeValidator(new Double(number), null,
>+				GREATER_EQUAL, UNDEFINED, defaultIfNull(validationMessage,
>+						GREATER_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is less than the
>+	 * given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the less constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator less(double number,
>+			String validationMessage, NumberFormat format) {
>+		return new DecimalRangeValidator(null, new Double(number), UNDEFINED,
>+				LESS, defaultIfNull(validationMessage, LESS_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is less than or
>+	 * equal to the given number.
>+	 * 
>+	 * @param number
>+	 * The reference number of the less-equal constraint.
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the given reference number.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator lessEqual(double number,
>+			String validationMessage, NumberFormat format) {
>+		return new DecimalRangeValidator(null, new Double(number), UNDEFINED,
>+				LESS_EQUAL,
>+				defaultIfNull(validationMessage, LESS_EQUAL_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is within the
>+	 * given range.
>+	 * 
>+	 * @param min
>+	 * The lower bound of the range (inclusive).
>+	 * @param max
>+	 * The upper bound of the range (inclusive).
>+	 * @param validationMessage
>+	 * The validation message pattern to use. Can be parameterized
>+	 * with the range's lower and upper bound.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator range(double min, double max,
>+			String validationMessage, NumberFormat format) {
>+		return new DecimalRangeValidator(new Double(min), new Double(max),
>+				GREATER_EQUAL, LESS_EQUAL, defaultIfNull(validationMessage,
>+						WITHIN_RANGE_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is positive.
>+	 * 
>+	 * @param validationMessage
>+	 * The validation message to use.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator positive(String validationMessage,
>+			NumberFormat format) {
>+		return new DecimalRangeValidator(ONE, null, GREATER_EQUAL, UNDEFINED,
>+				defaultIfNull(validationMessage, POSITIVE_MESSAGE), format);
>+	}
>+
>+	/**
>+	 * Creates a validator which checks that an input decimal is non-negative.
>+	 * 
>+	 * @param validationMessage
>+	 * The validation message to use.
>+	 * @param format
>+	 * The display format to use for formatting integers in the
>+	 * validation message.
>+	 * @return The validator instance.
>+	 */
>+	public static DecimalRangeValidator nonNegative(String validationMessage,
>+			NumberFormat format) {
>+		return new DecimalRangeValidator(ZERO, null, GREATER_EQUAL, UNDEFINED,
>+				defaultIfNull(validationMessage, NON_NEGATIVE_MESSAGE), format);
>+	}
>+
>+	protected int compare(Number number1, Number number2) {
>+		double diff = number1.doubleValue() - number2.doubleValue();
>+		if (diff < 0) {
>+			return -1;
>+		}
>+		if (diff > 0) {
>+			return +1;
>+		}
>+		return 0;
>+	}
>+
>+	private static String defaultIfNull(String string, String defaultString) {
>+		return (string != null) ? string : defaultString;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/conversion/BooleanToStringConverter.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/conversion/BooleanToStringConverter.java
>diff -N src/org/eclipse/core/internal/databinding/conversion/BooleanToStringConverter.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/conversion/BooleanToStringConverter.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,60 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.conversion;
>+
>+import org.eclipse.core.databinding.conversion.Converter;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class BooleanToStringConverter extends Converter {
>+
>+	// Those are the defaults used up to now in UpdateStrategy where a simple
>+	// ObjectToStringConverter was used for converting booleans to strings.
>+	// FIXME: Should/may we change this to convert to a localized string?
>+	private String trueValue = Boolean.TRUE.toString();
>+	private String falseValue = Boolean.FALSE.toString();
>+
>+	/**
>+	 * Creates a new converter which converts a boolean to its default string
>+	 * representation.
>+	 * 
>+	 * @param booleanType
>+	 * The boolean type. Must be one of {@code Boolean.TYPE} or
>+	 * {@code Boolean.class}.
>+	 */
>+	public BooleanToStringConverter(Class booleanType) {
>+		super(booleanType, String.class);
>+	}
>+
>+	/**
>+	 * Sets the string values to which a <code>true</code> and
>+	 * <code>false</code> value should be converted.
>+	 * 
>+	 * @param trueValue
>+	 * The string to which to convert a <code>true</code> value.
>+	 * @param falseValue
>+	 * The string to which to convert a <code>false</code> value.
>+	 */
>+	public final void setTargetStrings(String trueValue, String falseValue) {
>+		this.trueValue = trueValue;
>+		this.falseValue = falseValue;
>+	}
>+
>+	public Object convert(Object source) {
>+		Boolean value = (Boolean) source;
>+		if (value != null) {
>+			return value.booleanValue() ? trueValue : falseValue;
>+		}
>+		return ""; //$NON-NLS-1$
>+	}
>+}
>Index: src/org/eclipse/core/databinding/validation/constraint/IntegerConstraints.java
>===================================================================
>RCS file: src/org/eclipse/core/databinding/validation/constraint/IntegerConstraints.java
>diff -N src/org/eclipse/core/databinding/validation/constraint/IntegerConstraints.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/databinding/validation/constraint/IntegerConstraints.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,308 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.databinding.validation.constraint;
>+
>+import org.eclipse.core.internal.databinding.validation.IntegerRangeValidator;
>+import org.eclipse.core.internal.databinding.validation.NonNullValidator;
>+
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 1.4
>+ */
>+public final class IntegerConstraints extends Constraints {
>+
>+	private NumberFormat integerDisplayFormat = NumberFormat
>+			.getIntegerInstance();
>+
>+	private String requiredMessage = null;
>+
>+	private String greaterMessage = null;
>+
>+	private String greaterEqualMessage = null;
>+
>+	private String lessMessage = null;
>+
>+	private String lessEqualMessage = null;
>+
>+	private String rangeMessage = null;
>+
>+	private String positiveMessage = null;
>+
>+	private String nonNegativeMessage = null;
>+
>+	/**
>+	 * Sets the format to use when formatting an integer to be included in any
>+	 * of the validation messages.
>+	 * 
>+	 * 
>+	 * This integer format will be used for any subsequent constraints which are
>+	 * applied.
>+	 * 
>+	 * 
>+	 * @param format
>+	 * The format to use for displaying integers in validation
>+	 * messages.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints integerDisplayFormat(NumberFormat format) {
>+		this.integerDisplayFormat = format;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is not
>+	 * <code>null</code>. Uses the current {@link #requiredMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints required() {
>+		addValidator(new NonNullValidator(requiredMessage));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message for the {@link #required()} constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message for the {@link #required()} constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #required()
>+	 */
>+	public IntegerConstraints requiredMessage(String message) {
>+		this.requiredMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is greater than the
>+	 * given number. Uses the current {@link #greaterMessage(String) validation
>+	 * message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed integer must be greater than.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints greater(long number) {
>+		addValidator(IntegerRangeValidator.greater(number, greaterMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #greater(long)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #greater(long)}
>+	 * constraint. Can be parameterized with the number which the
>+	 * parsed integer must be greater than.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #greater(long)
>+	 */
>+	public IntegerConstraints greaterMessage(String message) {
>+		this.greaterMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is greater than or
>+	 * equal to the given number. Uses the current
>+	 * {@link #greaterEqualMessage(String) validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed integer must be greater than or
>+	 * equal to.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints greaterEqual(long number) {
>+		addValidator(IntegerRangeValidator.greaterEqual(number,
>+				greaterEqualMessage, integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #greaterEqual(long)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #greaterEqual(long)} constraint. Can be parameterized
>+	 * with the number which the parsed integer must be greater than
>+	 * or equal to.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #greaterEqual(long)
>+	 */
>+	public IntegerConstraints greaterEqualMessage(String message) {
>+		this.greaterEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is less than the given
>+	 * number. Uses the current {@link #lessMessage(String) validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed integer must be less than.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints less(long number) {
>+		addValidator(IntegerRangeValidator.less(number, lessMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #less(long)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #less(long)}
>+	 * constraint. Can be parameterized with the number which the
>+	 * parsed integer must be less than.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #less(long)
>+	 */
>+	public IntegerConstraints lessMessage(String message) {
>+		this.lessMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is less than or equal
>+	 * to the given number. Uses the current {@link #lessEqualMessage(String)
>+	 * validation message}.
>+	 * 
>+	 * @param number
>+	 * The number which the parsed integer must be less than or equal
>+	 * to.
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints lessEqual(long number) {
>+		addValidator(IntegerRangeValidator.greaterEqual(number,
>+				lessEqualMessage, integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #lessEqual(long)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #lessEqual(long)} constraint. Can be parameterized with
>+	 * the number which the parsed integer must be less than or equal
>+	 * to.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #lessEqual(long)
>+	 */
>+	public IntegerConstraints lessEqualMessage(String message) {
>+		this.lessEqualMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is within the given
>+	 * range. Uses the current {@link #rangeMessage(String) validation message}.
>+	 * 
>+	 * @param min
>+	 * The lower bound of the range (inclusive).
>+	 * @param max
>+	 * The upper bound of the range (inclusive).
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints range(long min, long max) {
>+		addValidator(IntegerRangeValidator.range(min, max, rangeMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #range(long, long)}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the
>+	 * {@link #range(long, long)} constraint. Can be parameterized
>+	 * with the min and max values of the range in which the parsed
>+	 * integer must lie.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #range(long, long)
>+	 */
>+	public IntegerConstraints rangeMessage(String message) {
>+		this.rangeMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is positive. Uses the
>+	 * current {@link #positiveMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints positive() {
>+		addValidator(IntegerRangeValidator.positive(positiveMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #positive()}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #positive()}
>+	 * constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #positive()
>+	 */
>+	public IntegerConstraints positiveMessage(String message) {
>+		this.positiveMessage = message;
>+		return this;
>+	}
>+
>+	/**
>+	 * Adds a validator ensuring that the parsed integer is non-negative. Uses
>+	 * the current {@link #nonNegativeMessage(String) validation message}.
>+	 * 
>+	 * @return This constraints instance for method chaining.
>+	 */
>+	public IntegerConstraints nonNegative() {
>+		addValidator(IntegerRangeValidator.nonNegative(nonNegativeMessage,
>+				integerDisplayFormat));
>+		return this;
>+	}
>+
>+	/**
>+	 * Sets the validation message pattern for the {@link #nonNegative()}
>+	 * constraint.
>+	 * 
>+	 * @param message
>+	 * The validation message pattern for the {@link #nonNegative()}
>+	 * constraint.
>+	 * @return This constraints instance for method chaining.
>+	 * 
>+	 * @see #nonNegative()
>+	 */
>+	public IntegerConstraints nonNegativeMessage(String message) {
>+		this.nonNegativeMessage = message;
>+		return this;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/conversion/StringStripConverter.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/conversion/StringStripConverter.java
>diff -N src/org/eclipse/core/internal/databinding/conversion/StringStripConverter.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/conversion/StringStripConverter.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,61 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.conversion;
>+
>+import org.eclipse.core.databinding.conversion.Converter;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class StringStripConverter extends Converter {
>+
>+	private final boolean stripToNull;
>+
>+	/**
>+	 * 
>+	 * @param stripToNull
>+	 */
>+	public StringStripConverter(boolean stripToNull) {
>+		super(String.class, String.class);
>+		this.stripToNull = stripToNull;
>+	}
>+
>+	public Object convert(Object fromObject) {
>+		String string = (String) fromObject;
>+
>+		if (string != null && string.length() != 0) {
>+			int stripStart = 0;
>+			while (stripStart < string.length()
>+					&& Character.isWhitespace(string.charAt(stripStart))) {
>+				stripStart++;
>+			}
>+
>+			int stripEnd = string.length() - 1;
>+			while (stripEnd >= 0
>+					&& Character.isWhitespace(string.charAt(stripEnd))) {
>+				stripEnd--;
>+			}
>+
>+			if (stripStart <= stripEnd) {
>+				string = string.substring(stripStart, stripEnd + 1);
>+			} else {
>+				string = ""; //$NON-NLS-1$
>+			}
>+		}
>+
>+		if (stripToNull && string != null && string.length() == 0) {
>+			string = null;
>+		}
>+
>+		return string;
>+	}
>+}
>Index: src/org/eclipse/core/internal/databinding/validation/NonEmptyStringValidator.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/databinding/validation/NonEmptyStringValidator.java
>diff -N src/org/eclipse/core/internal/databinding/validation/NonEmptyStringValidator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/databinding/validation/NonEmptyStringValidator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,50 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.core.internal.databinding.validation;
>+
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.internal.databinding.BindingMessages;
>+import org.eclipse.core.runtime.IStatus;
>+
>+/**
>+ * @since 1.4
>+ */
>+public class NonEmptyStringValidator implements IValidator {
>+
>+	private static final String NON_EMPTY_STRING_VALIDATION_MESSAGE = BindingMessages.getString(BindingMessages.VALIDATE_NON_EMPTY_STRING);
>+
>+	private final String validationMessage;
>+
>+	/**
>+	 * 
>+	 */
>+	public NonEmptyStringValidator() {
>+		this(null);
>+	}
>+
>+	/**
>+	 * @param validationMessage
>+	 */
>+	public NonEmptyStringValidator(String validationMessage) {
>+		this.validationMessage = validationMessage != null ? validationMessage
>+				: NON_EMPTY_STRING_VALIDATION_MESSAGE;
>+	}
>+
>+	public IStatus validate(Object value) {
>+		String input = (String) value;
>+		if ("".equals(input)) { //$NON-NLS-1$
>+			return ValidationStatus.error(validationMessage);
>+		}
>+		return ValidationStatus.ok();
>+	}
>+}
>#P org.eclipse.jface.examples.databinding
>Index: META-INF/MANIFEST.MF
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jface.examples.databinding/META-INF/MANIFEST.MF,v
>retrieving revision 1.21
>diff -u -r1.21 MANIFEST.MF
>--- META-INF/MANIFEST.MF	24 Aug 2009 21:33:42 -0000	1.21
>+++ META-INF/MANIFEST.MF	12 Nov 2009 18:08:29 -0000
>@@ -17,5 +17,6 @@
> org.eclipse.jface.examples.databinding.mask.internal;x-internal:=true,
> org.eclipse.jface.examples.databinding.model;x-internal:=false,
> org.eclipse.jface.examples.databinding.radioGroup;x-internal:=false
>-Import-Package: com.ibm.icu.text
>+Import-Package: com.ibm.icu.math,
>+ com.ibm.icu.text
> Bundle-RequiredExecutionEnvironment: J2SE-1.5
>Index: src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingSupport.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingSupport.java
>diff -N src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingSupport.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingSupport.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,88 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.util;
>+
>+import org.eclipse.core.databinding.editing.Editing;
>+import org.eclipse.core.databinding.observable.map.IObservableMap;
>+import org.eclipse.core.databinding.util.Policy;
>+import org.eclipse.core.runtime.IStatus;
>+import org.eclipse.core.runtime.MultiStatus;
>+import org.eclipse.jface.dialogs.MessageDialog;
>+import org.eclipse.jface.viewers.CellEditor;
>+import org.eclipse.jface.viewers.ColumnViewer;
>+import org.eclipse.jface.viewers.EditingSupport;
>+import org.eclipse.jface.viewers.TextCellEditor;
>+import org.eclipse.swt.widgets.Composite;
>+
>+/**
>+ * @since 3.2
>+ */
>+public class ObservableMapEditingSupport extends EditingSupport {
>+
>+	private final IObservableMap attributeMap;
>+
>+	private final Editing editing;
>+
>+	private final CellEditor cellEditor;
>+
>+	public ObservableMapEditingSupport(ColumnViewer viewer, IObservableMap attributeMap, Editing editing) {
>+		super(viewer);
>+		this.attributeMap = attributeMap;
>+		this.editing = editing;
>+		this.cellEditor = new TextCellEditor((Composite) getViewer().getControl());
>+	}
>+
>+	protected boolean canEdit(Object element) {
>+		return true;
>+	}
>+
>+	protected CellEditor getCellEditor(Object element) {
>+		return cellEditor;
>+	}
>+
>+	protected Object getValue(Object element) {
>+		return editing.convertToTarget(attributeMap.get(element));
>+	}
>+
>+	protected void setValue(Object element, Object value) {
>+		MultiStatus validationStatus = new MultiStatus(Policy.JFACE_DATABINDING, 0, null, null);
>+		Object modelValue = editing.convertToModel(value, validationStatus);
>+		if (handleValidation(validationStatus)) {
>+			attributeMap.put(element, modelValue);
>+		}
>+	}
>+
>+	private boolean handleValidation(IStatus validationStatus) {
>+		if (validationStatus.matches(IStatus.ERROR | IStatus.CANCEL)) {
>+			MessageDialog.openError(getViewer().getControl().getShell(), "Validation Error", getValidationMessage(validationStatus));
>+			return false;
>+		}
>+		return true;
>+	}
>+
>+	private static String getValidationMessage(IStatus validationStatus) {
>+		if (!validationStatus.isMultiStatus()) {
>+			return validationStatus.getMessage();
>+		}
>+
>+		MultiStatus multiStatus = (MultiStatus) validationStatus;
>+		StringBuffer sb = new StringBuffer();
>+		IStatus[] childStatus = multiStatus.getChildren();
>+		for (int i = 0; i < childStatus.length; i++) {
>+			if (i > 0) {
>+				sb.append('\n');
>+			}
>+			sb.append(getValidationMessage(childStatus[i]));
>+		}
>+		return sb.toString();
>+	}
>+}
>Index: src/org/eclipse/jface/examples/databinding/snippets/Snippet035Editing.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/snippets/Snippet035Editing.java
>diff -N src/org/eclipse/jface/examples/databinding/snippets/Snippet035Editing.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/snippets/Snippet035Editing.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,275 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006, 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.snippets;
>+
>+import java.util.Calendar;
>+import java.util.Date;
>+
>+import org.eclipse.core.databinding.Binding;
>+import org.eclipse.core.databinding.DataBindingContext;
>+import org.eclipse.core.databinding.editing.BooleanEditing;
>+import org.eclipse.core.databinding.editing.DateEditing;
>+import org.eclipse.core.databinding.editing.DecimalEditing;
>+import org.eclipse.core.databinding.editing.Editing;
>+import org.eclipse.core.databinding.editing.IntegerEditing;
>+import org.eclipse.core.databinding.observable.Realm;
>+import org.eclipse.core.databinding.observable.list.WritableList;
>+import org.eclipse.core.databinding.observable.value.IObservableValue;
>+import org.eclipse.core.databinding.observable.value.WritableValue;
>+import org.eclipse.core.databinding.validation.IValidator;
>+import org.eclipse.core.databinding.validation.ValidationStatus;
>+import org.eclipse.core.databinding.validation.constraint.Constraints;
>+import org.eclipse.core.databinding.validation.constraint.IntegerConstraints;
>+import org.eclipse.core.runtime.IStatus;
>+import org.eclipse.jface.databinding.swt.ISWTObservableValue;
>+import org.eclipse.jface.databinding.swt.SWTObservables;
>+import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
>+import org.eclipse.jface.examples.databinding.util.EditingFactory;
>+import org.eclipse.jface.internal.databinding.provisional.fieldassist.ControlDecorationSupport;
>+import org.eclipse.jface.layout.GridDataFactory;
>+import org.eclipse.jface.layout.GridLayoutFactory;
>+import org.eclipse.jface.viewers.LabelProvider;
>+import org.eclipse.jface.viewers.ListViewer;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.events.FocusAdapter;
>+import org.eclipse.swt.events.FocusEvent;
>+import org.eclipse.swt.events.SelectionAdapter;
>+import org.eclipse.swt.events.SelectionEvent;
>+import org.eclipse.swt.layout.GridLayout;
>+import org.eclipse.swt.widgets.Composite;
>+import org.eclipse.swt.widgets.Control;
>+import org.eclipse.swt.widgets.Display;
>+import org.eclipse.swt.widgets.Group;
>+import org.eclipse.swt.widgets.Label;
>+import org.eclipse.swt.widgets.Shell;
>+import org.eclipse.swt.widgets.Text;
>+
>+import com.ibm.icu.text.MessageFormat;
>+
>+public class Snippet035Editing {
>+
>+	private DataBindingContext dbc;
>+
>+	public static void main(String[] args) {
>+		Display display = new Display();
>+
>+		Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
>+			public void run() {
>+				Shell shell = new Snippet035Editing().createShell();
>+				Display display = Display.getCurrent();
>+				while (!shell.isDisposed()) {
>+					if (!display.readAndDispatch()) {
>+						display.sleep();
>+					}
>+				}
>+			}
>+		});
>+	}
>+
>+	private Shell createShell() {
>+		Display display = Display.getCurrent();
>+		Shell shell = new Shell(display);
>+		shell.setText("Editing");
>+		shell.setLayout(new GridLayout(1, false));
>+
>+		dbc = new DataBindingContext();
>+
>+		createValueSection(shell);
>+		createListSection(shell);
>+
>+		shell.pack();
>+		shell.open();
>+
>+		return shell;
>+	}
>+
>+	private void createValueSection(Composite parent) {
>+		Group section = createSectionGroup(parent, "Value bindings", false);
>+
>+		// Edit an e-mail address.
>+		Text emailText = createTextField(section, "E-Mail*");
>+		Editing emailEditing = EditingFactory.forEmailString().required();
>+		bindTextField(emailText, new WritableValue(), emailEditing);
>+
>+		// Edit a required, positive short using the default validation message.
>+		Text positiveText = createTextField(section, "Positive short*");
>+		IntegerEditing positiveEditing = EditingFactory.forShort().required().positive();
>+		bindTextField(positiveText, new WritableValue(), positiveEditing);
>+
>+		// Edit a required double with a maximum of two fractional digits.
>+		Text doubleText = createTextField(section, "Price []*");
>+		DecimalEditing doubleEditing = EditingFactory.forDouble().required().maxScale(2);
>+		bindTextField(doubleText, new WritableValue(), doubleEditing);
>+
>+		// Edit an integer within the range [1, 100] using the default
>+		// validation message.
>+		Text rangeText = createTextField(section, "Value in [1, 100]");
>+		IntegerEditing rangeEditing = EditingFactory.forInteger().range(1, 100);
>+		bindTextField(rangeText, new WritableValue(new Integer(0), null), rangeEditing);
>+
>+		// Edit a percentage value which must lie within [0, 100] using a custom
>+		// validation message which indicates that the value actually represents
>+		// a percentage value. Note that the constraint message must be specified
>+		// before the actual constraint.
>+		Text percentText = createTextField(section, "Value [%]");
>+		IntegerEditing percentEditing = EditingFactory.forInteger();
>+		percentEditing.modelIntegerConstraints()
>+			.rangeMessage("Please specify a percentage value within [{0}, {1}].")
>+			.range(0, 100);
>+		bindTextField(percentText, new WritableValue(new Integer(-1), null), percentEditing);
>+
>+		// Edit a hex integer within the range [0x00, 0xff]. The range validation
>+		// message will display the range boundaries in hex format as well.
>+		Text hexText = createTextField(section, "Hex value in [0x00, 0xff]");
>+		IntegerEditing hexEditing = EditingFactory.forHexInteger(2).range(0x00, 0xff);
>+		bindTextField(hexText, new WritableValue(new Integer(0), null), hexEditing);
>+
>+		// Edit a boolean value.
>+		Text boolText = createTextField(section, "Boolean value");
>+		BooleanEditing boolEditing = EditingFactory.forBoolean();
>+		bindTextField(boolText, new WritableValue(Boolean.TRUE, null), boolEditing);
>+
>+		// Edit a value within [1, 10] or [20, 30].
>+		Text rangesText = createTextField(section, "Value in [1, 10] or [20, 30]");
>+		Editing rangesEditing = EditingFactory.forInteger().addModelValidator(new RangesValidator(1, 10, 20, 30));
>+		bindTextField(rangesText, new WritableValue(null, null), rangesEditing);
>+	}
>+
>+	private void createListSection(Composite parent) {
>+		Group section = createSectionGroup(parent, "List bindings", true);
>+
>+		// Our date should be >= 01.01.1990.
>+		Calendar year1990Calendar = Calendar.getInstance();
>+		year1990Calendar.clear();
>+		year1990Calendar.set(1990, 0, 1);
>+		Date year1990 = year1990Calendar.getTime();
>+
>+		// Edit a date supporting the default input/display patterns.
>+		Text dateText = createTextField(section, "Date");
>+		DateEditing dateEditing = EditingFactory.forDate().afterEqual(year1990);
>+		final WritableValue dateObservable = new WritableValue();
>+		final Binding dateBinding = bindTextField(dateText, dateObservable, dateEditing);
>+
>+		// Create a list to which the dates are added when the user hits ENTER.
>+		new Label(section, SWT.LEFT);
>+		ListViewer dateListViewer = new ListViewer(section);
>+		GridDataFactory.fillDefaults().grab(true, true).hint(150, 200).applyTo(dateListViewer.getList());
>+
>+		dateListViewer.setContentProvider(new ObservableListContentProvider());
>+		dateListViewer.setLabelProvider(new LabelProvider());
>+
>+		// We use the same DateEditing object as for the text field above to
>+		// create a list binding which maps the entered dates to their string
>+		// representation which is then set as input on the ListViewer.
>+		final WritableList targetDateList = new WritableList();
>+		final WritableList modelDateList = new WritableList();
>+		dateEditing.bindList(dbc, targetDateList, modelDateList);
>+
>+		// Set the list containing the string representation of the dates as input.
>+		dateListViewer.setInput(targetDateList);
>+
>+		// Add the current date in the text field when the user hits ENTER.
>+		dateText.addSelectionListener(new SelectionAdapter() {
>+			public void widgetDefaultSelected(SelectionEvent e) {
>+				IStatus dateValidationStatus = (IStatus) dateBinding.getValidationStatus().getValue();
>+				Date date = (Date) dateObservable.getValue();
>+				if (dateValidationStatus.isOK() && date != null) {
>+					modelDateList.add(date);
>+				}
>+			}
>+		});
>+	}
>+
>+	private Binding bindTextField(Text text, IObservableValue modelValue, Editing editing) {
>+		// Create the binding using the editing object.
>+		ISWTObservableValue textObservable = SWTObservables.observeText(text, SWT.Modify);
>+		Binding binding = editing.bindValue(dbc, textObservable, modelValue);
>+
>+		// Decorate the control with the validation status.
>+		ControlDecorationSupport.create(binding, SWT.TOP);
>+
>+		// Re-format when the text field looses the focus in order to always
>+		// display the model in the default format in case multiple input formats
>+		// are supported.
>+		formatOnFocusOut(text, binding);
>+
>+		return binding;
>+	}
>+
>+	private static void formatOnFocusOut(final Control control, final Binding binding) {
>+		control.addFocusListener(new FocusAdapter() {
>+			public void focusLost(FocusEvent e) {
>+				IStatus dateValidationStatus = (IStatus) binding.getValidationStatus().getValue();
>+				if (dateValidationStatus.isOK()) {
>+					binding.updateModelToTarget();
>+				}
>+			}
>+		});
>+	}
>+
>+	private static Group createSectionGroup(Composite parent, String groupText, boolean grabVertical) {
>+		Group section = new Group(parent, SWT.SHADOW_ETCHED_IN);
>+		section.setText(groupText);
>+		GridLayoutFactory.fillDefaults()
>+				.numColumns(2)
>+				.equalWidth(false)
>+				.margins(5, 5)
>+				.spacing(15, 5)
>+				.applyTo(section);
>+		GridDataFactory.fillDefaults().grab(true, grabVertical).applyTo(section);
>+		return section;
>+	}
>+
>+	private static Text createTextField(Composite parent, String labelText) {
>+		Label label = new Label(parent, SWT.LEFT);
>+		label.setText(labelText);
>+		GridDataFactory.fillDefaults().align(SWT.LEFT, SWT.CENTER).applyTo(label);
>+
>+		final Text text = new Text(parent, SWT.BORDER);
>+		GridDataFactory.fillDefaults().grab(true, false).hint(150, SWT.DEFAULT).applyTo(text);
>+
>+		// Select the text when gaining focus.
>+		text.addFocusListener(new FocusAdapter() {
>+			public void focusGained(FocusEvent e) {
>+				text.selectAll();
>+			}
>+		});
>+
>+		return text;
>+	}
>+
>+	private static final class RangesValidator implements IValidator {
>+
>+		private final String validationMessage;
>+
>+		private final IValidator validator;
>+
>+		public RangesValidator(int min1, int max1, int min2, int max2) {
>+			this.validationMessage = MessageFormat.format(
>+					"The value must lie within [{0}, {1}] or [{2}, {3}].",
>+					new Object[] { min1, max1, min2, max2 });
>+			this.validator =
>+				new IntegerConstraints()
>+					.range(min1, max1)
>+					.range(min2, max2)
>+					.aggregationPolicy(Constraints.AGGREGATION_MIN_SEVERITY)
>+					.createValidator();
>+		}
>+
>+		public IStatus validate(Object value) {
>+			if (!validator.validate(value).isOK()) {
>+				return ValidationStatus.error(validationMessage);
>+			}
>+			return ValidationStatus.ok();
>+		}
>+	}
>+}
>Index: src/org/eclipse/jface/examples/databinding/util/EditingFactory.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/util/EditingFactory.java
>diff -N src/org/eclipse/jface/examples/databinding/util/EditingFactory.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/util/EditingFactory.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,208 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.util;
>+
>+import java.util.Locale;
>+
>+import org.eclipse.core.databinding.editing.BooleanEditing;
>+import org.eclipse.core.databinding.editing.DateEditing;
>+import org.eclipse.core.databinding.editing.DecimalEditing;
>+import org.eclipse.core.databinding.editing.IntegerEditing;
>+import org.eclipse.core.databinding.editing.StringEditing;
>+
>+import com.ibm.icu.text.DateFormat;
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 3.2
>+ */
>+public final class EditingFactory {
>+
>+	private static final String REQUIRED_MESSAGE = "Please specify a value.";
>+
>+	private static final String INTEGER_PARSE_ERROR_MESSAGE = "The input is invalid.";
>+
>+	private static final String INTEGER_OUT_OF_RANGE_MESSAGE = "The value lies outside the supported range.";
>+
>+	private static final String INTEGER_RANGE_MESSAGE = "The value must lie between {0} and {1}.";
>+
>+	private static final String[] BOOLEAN_TRUE_VALUES = new String[] {
>+		"yes", "y", "true", "1"
>+	};
>+
>+	private static final String[] BOOLEAN_FALSE_VALUES = new String[] {
>+		"no", "n", "false", "0"
>+	};
>+
>+	private static final String[] DATE_INPUT_PATTERNS = new String[] {
>+		"yyMMdd",
>+		"yyyyMMdd"
>+	};
>+
>+	private static final String DATE_DISPLAY_PATTERN = "yyyyMMdd";
>+
>+	private static final String DATE_PARSE_ERROR_MESSAGE = createDateParseErrorMessage(DATE_INPUT_PATTERNS);
>+
>+	private static final String EMAIL_REGEX = "\\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}\\b";
>+
>+	private static final String EMAIL_ERROR_MESSAGE = "Please specify a valid e-mail address.";
>+
>+	private EditingFactory() {
>+		// prevent instantiation
>+	}
>+
>+	public static StringEditing forString() {
>+		return StringEditing.stripped(true);
>+	}
>+
>+	public static StringEditing forEmailString() {
>+		StringEditing editing = StringEditing.stripped(true);
>+		editing.modelStringConstraints()
>+				.matchesMessage(EMAIL_ERROR_MESSAGE)
>+				.matches(EMAIL_REGEX);
>+		return editing;
>+	}
>+
>+	public static IntegerEditing forLong() {
>+		return forLong(Locale.getDefault());
>+	}
>+
>+	public static IntegerEditing forLong(Locale locale) {
>+		IntegerEditing editing = IntegerEditing.forLongFormat(
>+				NumberFormat.getIntegerInstance(locale),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	public static IntegerEditing forInteger() {
>+		return forInteger(Locale.getDefault());
>+	}
>+
>+	public static IntegerEditing forInteger(Locale locale) {
>+		IntegerEditing editing = IntegerEditing.forIntegerFormat(
>+				NumberFormat.getIntegerInstance(locale),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	public static IntegerEditing forShort() {
>+		return forShort(Locale.getDefault());
>+	}
>+
>+	public static IntegerEditing forShort(Locale locale) {
>+		IntegerEditing editing = IntegerEditing.forShortFormat(
>+				NumberFormat.getIntegerInstance(locale),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	public static IntegerEditing forByte() {
>+		return forByte(Locale.getDefault());
>+	}
>+
>+	public static IntegerEditing forByte(Locale locale) {
>+		IntegerEditing editing = IntegerEditing.forByteFormat(
>+				NumberFormat.getIntegerInstance(locale),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	public static IntegerEditing forHexInteger(int digits) {
>+		IntegerEditing editing = IntegerEditing.forIntegerFormat(
>+				RadixNumberFormat.getHexInstance("0x", digits),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	private static void configure(IntegerEditing editing) {
>+		editing.modelIntegerConstraints()
>+				.requiredMessage(REQUIRED_MESSAGE)
>+				.rangeMessage(INTEGER_RANGE_MESSAGE);
>+	}
>+
>+	public static DecimalEditing forDouble() {
>+		return forDouble(Locale.getDefault());
>+	}
>+
>+	public static DecimalEditing forDouble(Locale locale) {
>+		DecimalEditing editing = DecimalEditing.forDoubleFormat(
>+				NumberFormat.getNumberInstance(locale),
>+				INTEGER_PARSE_ERROR_MESSAGE,
>+				INTEGER_OUT_OF_RANGE_MESSAGE);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	private static void configure(DecimalEditing editing) {
>+		editing.modelDecimalConstraints()
>+				.requiredMessage(REQUIRED_MESSAGE)
>+				.rangeMessage(INTEGER_RANGE_MESSAGE);
>+	}
>+
>+	public static BooleanEditing forBoolean() {
>+		BooleanEditing editing =
>+			BooleanEditing.forStringValues(
>+					BOOLEAN_TRUE_VALUES,
>+					BOOLEAN_FALSE_VALUES);
>+		configure(editing);
>+		return editing;
>+	}
>+
>+	private static void configure(BooleanEditing editing) {
>+		editing.modelBooleanConstraints()
>+				.requiredMessage(REQUIRED_MESSAGE);
>+	}
>+
>+	public static DateEditing forDate() {
>+		return forDate(Locale.getDefault());
>+	}
>+
>+	public static DateEditing forDate(Locale locale) {
>+		DateEditing editing = DateEditing
>+				.forFormats(
>+						createDateFormats(DATE_INPUT_PATTERNS, locale),
>+						DATE_PARSE_ERROR_MESSAGE,
>+						DateFormat.getPatternInstance(DATE_DISPLAY_PATTERN, locale));
>+		editing.modelDateConstraints().requiredMessage(REQUIRED_MESSAGE);
>+		return editing;
>+	}
>+
>+	private static DateFormat[] createDateFormats(String[] datePatterns, Locale locale) {
>+		DateFormat[] dateFormats = new DateFormat[datePatterns.length];
>+		for (int i = 0; i < dateFormats.length; i++) {
>+			dateFormats[i] = DateFormat.getPatternInstance(datePatterns[i], locale);
>+		}
>+		return dateFormats;
>+	}
>+
>+	private static String createDateParseErrorMessage(String[] datePatterns) {
>+		StringBuffer messageSb = new StringBuffer();
>+		messageSb.append("Supported formats: ");
>+		for (int i = 0; i < datePatterns.length; i++) {
>+			if (i > 0) {
>+				messageSb.append(", ");
>+			}
>+			messageSb.append(datePatterns[i]);
>+		}
>+		return messageSb.toString();
>+	}
>+}
>Index: src/org/eclipse/jface/examples/databinding/util/RadixNumberFormat.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/util/RadixNumberFormat.java
>diff -N src/org/eclipse/jface/examples/databinding/util/RadixNumberFormat.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/util/RadixNumberFormat.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,99 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.util;
>+
>+import java.math.BigInteger;
>+import java.text.FieldPosition;
>+import java.text.ParsePosition;
>+
>+import com.ibm.icu.math.BigDecimal;
>+import com.ibm.icu.text.NumberFormat;
>+
>+/**
>+ * @since 3.2
>+ *
>+ */
>+public class RadixNumberFormat extends NumberFormat {
>+
>+	private static final long serialVersionUID = 411884077848863891L;
>+
>+	private final int radix;
>+
>+	private final String prefix;
>+
>+	private final int digits;
>+
>+	private RadixNumberFormat(int radix, String prefix, int digits) {
>+		this.radix = radix;
>+		this.prefix = prefix != null ? prefix : "";
>+		this.digits = digits;
>+	}
>+
>+	public static RadixNumberFormat getHexInstance() {
>+		return getHexInstance(null, 0);
>+	}
>+
>+	public static RadixNumberFormat getHexInstance(String prefix, int digits) {
>+		return new RadixNumberFormat(16, prefix, digits);
>+	}
>+
>+	public StringBuffer format(double number, StringBuffer toAppendTo,
>+			FieldPosition pos) {
>+		return format((long) number, toAppendTo, pos);
>+	}
>+
>+	public StringBuffer format(long number, StringBuffer toAppendTo,
>+			FieldPosition pos) {
>+		return toAppendTo.append(prefix).append(addPadding(Long.toString(number, radix)));
>+	}
>+
>+	public StringBuffer format(BigInteger number, StringBuffer toAppendTo,
>+			FieldPosition pos) {
>+		return toAppendTo.append(prefix).append(addPadding(number.toString(radix)));
>+	}
>+
>+	public StringBuffer format(BigDecimal number, StringBuffer toAppendTo,
>+			FieldPosition pos) {
>+		throw new UnsupportedOperationException();
>+	}
>+
>+	public Number parse(String text, ParsePosition parsePosition) {
>+		if (text.length() == 0) {
>+			return null;
>+		}
>+
>+		parsePosition.setIndex(parsePosition.getIndex() + text.length());
>+
>+		try {
>+			if (text.startsWith(prefix)) {
>+				return Integer.parseInt(text.substring(prefix.length()), radix);
>+			}
>+			return Integer.parseInt(text, radix);
>+		} catch (NumberFormatException e) {
>+			parsePosition.setErrorIndex(0);
>+			return null;
>+		}
>+	}
>+
>+	private String addPadding(String numberText) {
>+		if (numberText.length() >= digits) {
>+			return numberText;
>+		}
>+
>+		StringBuffer sb = new StringBuffer();
>+		for (int i = numberText.length(); i < digits; i++) {
>+			sb.append('0');
>+		}
>+		sb.append(numberText);
>+		return sb.toString();
>+	}
>+}
>Index: src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingCellLabelProvider.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingCellLabelProvider.java
>diff -N src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingCellLabelProvider.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/util/ObservableMapEditingCellLabelProvider.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,40 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.util;
>+
>+import org.eclipse.core.databinding.editing.Editing;
>+import org.eclipse.core.databinding.observable.map.IObservableMap;
>+import org.eclipse.jface.databinding.viewers.ObservableMapCellLabelProvider;
>+import org.eclipse.jface.viewers.ViewerCell;
>+
>+/**
>+ * @since 3.2
>+ */
>+public class ObservableMapEditingCellLabelProvider extends
>+		ObservableMapCellLabelProvider {
>+
>+	private final IObservableMap attributeMap;
>+
>+	private final Editing editing;
>+
>+	public ObservableMapEditingCellLabelProvider(IObservableMap attributeMap, Editing editing) {
>+		super(attributeMap);
>+		this.attributeMap = attributeMap;
>+		this.editing = editing;
>+	}
>+
>+	public void update(ViewerCell cell) {
>+		Object element = cell.getElement();
>+		Object attribute = attributeMap.get(element);
>+		cell.setText((String) editing.convertToTarget(attribute));
>+	}
>+}
>Index: src/org/eclipse/jface/examples/databinding/snippets/Snippet036EditingTable.java
>===================================================================
>RCS file: src/org/eclipse/jface/examples/databinding/snippets/Snippet036EditingTable.java
>diff -N src/org/eclipse/jface/examples/databinding/snippets/Snippet036EditingTable.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/examples/databinding/snippets/Snippet036EditingTable.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,252 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006, 2009 Ovidio Mallo and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Ovidio Mallo - initial API and implementation (bug 183055)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.examples.databinding.snippets;
>+
>+import java.util.Date;
>+
>+import org.eclipse.core.databinding.Binding;
>+import org.eclipse.core.databinding.DataBindingContext;
>+import org.eclipse.core.databinding.beans.BeansObservables;
>+import org.eclipse.core.databinding.editing.DateEditing;
>+import org.eclipse.core.databinding.editing.Editing;
>+import org.eclipse.core.databinding.editing.IntegerEditing;
>+import org.eclipse.core.databinding.editing.StringEditing;
>+import org.eclipse.core.databinding.observable.Realm;
>+import org.eclipse.core.databinding.observable.list.WritableList;
>+import org.eclipse.core.databinding.observable.map.IObservableMap;
>+import org.eclipse.core.databinding.observable.set.IObservableSet;
>+import org.eclipse.core.databinding.observable.value.IObservableValue;
>+import org.eclipse.core.runtime.IStatus;
>+import org.eclipse.jface.databinding.swt.ISWTObservableValue;
>+import org.eclipse.jface.databinding.swt.SWTObservables;
>+import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
>+import org.eclipse.jface.databinding.viewers.ViewersObservables;
>+import org.eclipse.jface.examples.databinding.ModelObject;
>+import org.eclipse.jface.examples.databinding.util.EditingFactory;
>+import org.eclipse.jface.examples.databinding.util.ObservableMapEditingCellLabelProvider;
>+import org.eclipse.jface.examples.databinding.util.ObservableMapEditingSupport;
>+import org.eclipse.jface.internal.databinding.provisional.fieldassist.ControlDecorationSupport;
>+import org.eclipse.jface.layout.GridDataFactory;
>+import org.eclipse.jface.layout.GridLayoutFactory;
>+import org.eclipse.jface.viewers.StructuredSelection;
>+import org.eclipse.jface.viewers.TableViewer;
>+import org.eclipse.jface.viewers.TableViewerColumn;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.events.FocusAdapter;
>+import org.eclipse.swt.events.FocusEvent;
>+import org.eclipse.swt.layout.GridLayout;
>+import org.eclipse.swt.widgets.Composite;
>+import org.eclipse.swt.widgets.Control;
>+import org.eclipse.swt.widgets.Display;
>+import org.eclipse.swt.widgets.Group;
>+import org.eclipse.swt.widgets.Label;
>+import org.eclipse.swt.widgets.Shell;
>+import org.eclipse.swt.widgets.Text;
>+
>+public class Snippet036EditingTable {
>+
>+	private final StringEditing nameEditing = EditingFactory.forString().required();
>+
>+	private final IntegerEditing ageEditing = EditingFactory.forInteger().required().nonNegative();
>+
>+	private final DateEditing bdayEditing = EditingFactory.forDate().before(new Date());
>+
>+	private DataBindingContext dbc;
>+
>+	private TableViewer tableViewer;
>+
>+	public static void main(String[] args) {
>+		Display display = new Display();
>+
>+		Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
>+			public void run() {
>+				Shell shell = new Snippet036EditingTable().createShell();
>+				Display display = Display.getCurrent();
>+				while (!shell.isDisposed()) {
>+					if (!display.readAndDispatch()) {
>+						display.sleep();
>+					}
>+				}
>+			}
>+		});
>+	}
>+
>+	private Shell createShell() {
>+		Display display = Display.getCurrent();
>+		Shell shell = new Shell(display);
>+		shell.setText("Editing");
>+		shell.setLayout(new GridLayout(2, false));
>+
>+		dbc = new DataBindingContext();
>+
>+		createTableSection(shell);
>+		createFieldSection(shell);
>+
>+		shell.pack();
>+		shell.open();
>+
>+		return shell;
>+	}
>+
>+	private void createTableSection(Composite parent) {
>+		Group section = createSectionGroup(parent, 1);
>+
>+		tableViewer = new TableViewer(section, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
>+		GridDataFactory.fillDefaults().grab(true, true).hint(350, 250).applyTo(tableViewer.getTable());
>+		tableViewer.getTable().setHeaderVisible(true);
>+		tableViewer.getTable().setLinesVisible(true);
>+
>+		ObservableListContentProvider contentProvider = new ObservableListContentProvider();
>+		tableViewer.setContentProvider(contentProvider);
>+		IObservableSet contentElements = contentProvider.getKnownElements();
>+
>+		IObservableMap nameMap = BeansObservables.observeMap(contentElements, "name");
>+		createColumn("Name*", 150, nameMap, nameEditing);
>+
>+		IObservableMap ageMap = BeansObservables.observeMap(contentElements, "age");
>+		createColumn("Age*", 50, ageMap, ageEditing);
>+
>+		IObservableMap bdayMap = BeansObservables.observeMap(contentElements, "birthday");
>+		createColumn("Birthday", 80, bdayMap, bdayEditing);
>+
>+		WritableList people = new WritableList();
>+		people.add(new Person("John Doe", 27));
>+		people.add(new Person("Steve Northover", 33));
>+		people.add(new Person("Grant Gayed", 54));
>+		people.add(new Person("Veronika Irvine", 25));
>+		people.add(new Person("Mike Wilson", 44));
>+		people.add(new Person("Christophe Cornu", 37));
>+		people.add(new Person("Lynne Kues", 65));
>+		people.add(new Person("Silenio Quarti", 15));
>+
>+		tableViewer.setInput(people);
>+
>+		tableViewer.setSelection(new StructuredSelection(people.get(0)));
>+	}
>+
>+	private TableViewerColumn createColumn(String text, int width, IObservableMap attributeMap, Editing modelEditing) {
>+		TableViewerColumn column = new TableViewerColumn(tableViewer, SWT.NONE);
>+		column.getColumn().setText(text);
>+		column.getColumn().setWidth(width);
>+		column.setLabelProvider(new ObservableMapEditingCellLabelProvider(attributeMap, modelEditing));
>+		column.setEditingSupport(new ObservableMapEditingSupport(tableViewer, attributeMap, modelEditing));
>+		return column;
>+	}
>+
>+	private void createFieldSection(Composite parent) {
>+		final Group section = createSectionGroup(parent, 2);
>+
>+		final IObservableValue personObservable = ViewersObservables.observeSingleSelection(tableViewer);
>+
>+		Text nameText = createTextField(section, "Name*");
>+		IObservableValue nameObservable = BeansObservables.observeDetailValue(personObservable, "name", null);
>+		bindTextField(nameText, nameObservable, nameEditing);
>+
>+		Text ageText = createTextField(section, "Age*");
>+		IObservableValue ageObservable = BeansObservables.observeDetailValue(personObservable, "age", null);
>+		bindTextField(ageText, ageObservable, ageEditing);
>+
>+		Text bdayText = createTextField(section, "Birthday");
>+		IObservableValue bdayObservable = BeansObservables.observeDetailValue(personObservable, "birthday", null);
>+		bindTextField(bdayText, bdayObservable, bdayEditing);
>+	}
>+
>+	private Binding bindTextField(
>+			Text text,
>+			IObservableValue modelValue,
>+			Editing editing) {
>+		// Create the binding using the editing object.
>+		ISWTObservableValue textObservable = SWTObservables.observeText(text, SWT.Modify);
>+		Binding binding = editing.bindValue(dbc, textObservable, modelValue);
>+
>+		// Decorate the control with the validation status.
>+		ControlDecorationSupport.create(binding, SWT.TOP);
>+
>+		formatOnFocusOut(text, binding);
>+
>+		return binding;
>+	}
>+
>+	private static void formatOnFocusOut(final Control control, final Binding binding) {
>+		control.addFocusListener(new FocusAdapter() {
>+			public void focusLost(FocusEvent e) {
>+				IStatus dateValidationStatus = (IStatus) binding.getValidationStatus().getValue();
>+				if (dateValidationStatus.isOK()) {
>+					binding.updateModelToTarget();
>+				}
>+			}
>+		});
>+	}
>+
>+	private Group createSectionGroup(Composite parent, int numColumns) {
>+		Group section = new Group(parent, SWT.SHADOW_ETCHED_IN);
>+		GridLayoutFactory.fillDefaults().numColumns(numColumns).equalWidth(false).margins(5, 5).spacing(15, 5).applyTo(section);
>+		GridDataFactory.fillDefaults().grab(true, true).applyTo(section);
>+		return section;
>+	}
>+
>+	private static Text createTextField(Composite parent, String labelText) {
>+		Label label = new Label(parent, SWT.LEFT);
>+		label.setText(labelText);
>+		GridDataFactory.fillDefaults().align(SWT.LEFT, SWT.CENTER).applyTo(label);
>+
>+		final Text text = new Text(parent, SWT.BORDER);
>+		GridDataFactory.fillDefaults().grab(true, false).hint(200, SWT.DEFAULT).applyTo(text);
>+
>+		// Select the text when gaining focus.
>+		text.addFocusListener(new FocusAdapter() {
>+			public void focusGained(FocusEvent e) {
>+				text.selectAll();
>+			}
>+		});
>+
>+		return text;
>+	}
>+
>+	public static final class Person extends ModelObject {
>+
>+		private String name;
>+
>+		private int age;
>+
>+		private Date birthday;
>+
>+		public Person(String name, int age) {
>+			this.name = name;
>+			this.age = age;
>+		}
>+
>+		public String getName() {
>+			return name;
>+		}
>+
>+		public void setName(String name) {
>+			firePropertyChange("name", this.name, this.name = name);
>+		}
>+
>+		public int getAge() {
>+			return age;
>+		}
>+
>+		public void setAge(int age) {
>+			firePropertyChange("age", this.age, this.age = age);
>+		}
>+
>+		public Date getBirthday() {
>+			return birthday;
>+		}
>+
>+		public void setBirthday(Date birthday) {
>+			firePropertyChange("birthday", this.birthday, this.birthday = birthday);
>+		}
>+	}
>+}

Actions: View | Diff

Attachments on bug 183055: 139097 | 142074 | 145997 | 146005 | 146551 | 147262 | 149314 | 149326 | 151361 | 152082 | 153890 | 156294 | 156446 | 157017 | 157180 | 157378 | 157469 | 160440 | 160542 | 179211 | 179212