### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: batch/org/eclipse/jdt/internal/compiler/batch/Main.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/Main.java,v
retrieving revision 1.351
diff -u -r1.351 Main.java
--- batch/org/eclipse/jdt/internal/compiler/batch/Main.java	25 Feb 2010 19:17:04 -0000	1.351
+++ batch/org/eclipse/jdt/internal/compiler/batch/Main.java	20 Apr 2010 18:15:17 -0000
@@ -15,8 +15,10 @@
  *******************************************************************************/
 package org.eclipse.jdt.internal.compiler.batch;
 
+import java.io.BufferedInputStream;
 import java.io.ByteArrayInputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.FilenameFilter;
@@ -41,6 +43,7 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.MissingResourceException;
+import java.util.Properties;
 import java.util.ResourceBundle;
 import java.util.Set;
 import java.util.StringTokenizer;
@@ -1713,6 +1716,7 @@
 	final int INSIDE_PROCESSOR_start = 18;
 	final int INSIDE_S_start = 19;
 	final int INSIDE_CLASS_NAMES = 20;
+	final int INSIDE_WARNINGS_PROPERTIES = 21;
 
 	final int DEFAULT = 0;
 	ArrayList bootclasspaths = new ArrayList(DEFAULT_SIZE_CLASSPATH);
@@ -2095,7 +2099,7 @@
 					continue;
 				}
 				if (currentArg.equals("-inlineJSR")) { //$NON-NLS-1$
-				    mode = DEFAULT;
+					mode = DEFAULT;
 					this.options.put(
 							CompilerOptions.OPTION_InlineJsr,
 							CompilerOptions.ENABLED);
@@ -2368,6 +2372,10 @@
 					mode = INSIDE_CLASS_NAMES;
 					continue;
 				}
+				if (currentArg.equals("-properties")) { //$NON-NLS-1$
+					mode = INSIDE_WARNINGS_PROPERTIES;
+					continue;
+				}
 				break;
 			case INSIDE_TARGET :
 				if (this.didSpecifyTarget) {
@@ -2544,6 +2552,10 @@
 				}
 				mode = DEFAULT;
 				continue;
+			case INSIDE_WARNINGS_PROPERTIES :
+				initializeWarnings(currentArg);
+				mode = DEFAULT;
+				continue;
 		}
 
 		// default is input directory, if no custom destination path exists
@@ -2720,6 +2732,31 @@
 		this.pendingErrors = null;
 	}
 }
+private void initializeWarnings(String propertiesFile) {
+	File file = new File(propertiesFile);
+	if (!file.exists()) {
+		throw new IllegalArgumentException(this.bind("configure.missingwarningspropertiesfile", propertiesFile)); //$NON-NLS-1$
+	}
+	BufferedInputStream stream = null;
+	Properties properties = null;
+	try {
+		stream = new BufferedInputStream(new FileInputStream(propertiesFile));
+		properties = new Properties();
+		properties.load(stream);
+	} catch(IOException e) {
+		e.printStackTrace();
+		throw new IllegalArgumentException(this.bind("configure.ioexceptionwarningspropertiesfile", propertiesFile)); //$NON-NLS-1$
+	} finally {
+		if (stream != null) {
+			try {
+				stream.close();
+			} catch(IOException e) {
+				// ignore
+			}
+		}
+	}
+	this.options.putAll(properties);
+}
 protected void disableWarnings() {
 	Object[] entries = this.options.entrySet().toArray();
 	for (int i = 0, max = entries.length; i < max; i++) {
Index: batch/org/eclipse/jdt/internal/compiler/batch/messages.properties
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties,v
retrieving revision 1.891
diff -u -r1.891 messages.properties
--- batch/org/eclipse/jdt/internal/compiler/batch/messages.properties	20 Apr 2010 11:48:19 -0000	1.891
+++ batch/org/eclipse/jdt/internal/compiler/batch/messages.properties	20 Apr 2010 18:15:17 -0000
@@ -95,6 +95,8 @@
 configure.incompatibleComplianceForCldcTarget=Target level ''{0}'' is incompatible with compliance level ''{1}''. A compliance level ''1.4''or lower is required
 configure.invalidClasspathSection = invalid Class-Path header in manifest of jar file: {0}
 configure.multipleClasspathSections = multiple Class-Path headers in manifest of jar file: {0}
+configure.missingwarningspropertiesfile=properties file {0} does not exist
+configure.ioexceptionwarningspropertiesfile=An IOException occurred while reading the properties file {0}
 
 ### requestor
 requestor.error = {0}. ERROR in {1}
@@ -182,6 +184,12 @@
 \    -err:-<warnings separated by ,>   disable specific warnings to be\n\
 \                                      reported as errors\n\
 \ \n\
+\ Setting warning or error options using properties file:\n\
+\    -properties: <file>   set warnings/errors option based on the properties\n\
+\                          file contents. This option can be used with -nowarn,\n\
+\                          -err:.. or -warn:.. options, but the last one on the\n\
+\                          command line sets the options to be used.\n\
+\ \n\
 \ Debug options:\n\
 \    -g[:lines,vars,source] custom debug info\n\
 \    -g:lines,source  + both lines table and source debug info\n\
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java,v
retrieving revision 1.205
diff -u -r1.205 BatchCompilerTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java	17 Mar 2010 16:10:02 -0000	1.205
+++ src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java	20 Apr 2010 18:15:21 -0000
@@ -48,7 +48,7 @@
 
 	static {
 //		TESTS_NAMES = new String[] { "test292_warn_options" };
-//		TESTS_NUMBERS = new int[] { 298 };
+//		TESTS_NUMBERS = new int[] { 12 };
 //		TESTS_RANGE = new int[] { 298, -1 };
 	}
 public BatchCompilerTest(String name) {
@@ -1553,6 +1553,12 @@
         "    -err:-<warnings separated by ,>   disable specific warnings to be\n" + 
         "                                      reported as errors\n" + 
         " \n" + 
+        " Setting warning or error options using properties file:\n" + 
+        "    -properties: <file>   set warnings/errors option based on the properties\n" + 
+        "                          file contents. This option can be used with -nowarn,\n" + 
+        "                          -err:.. or -warn:.. options, but the last one on the\n" + 
+        "                          command line sets the options to be used.\n" + 
+        " \n" + 
         " Debug options:\n" +
         "    -g[:lines,vars,source] custom debug info\n" +
         "    -g:lines,source  + both lines table and source debug info\n" +