### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: model/org/eclipse/jdt/core/util/CompilationUnitSorter.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/core/util/CompilationUnitSorter.java,v
retrieving revision 1.36
diff -u -r1.36 CompilationUnitSorter.java
--- model/org/eclipse/jdt/core/util/CompilationUnitSorter.java	23 Jan 2007 14:58:32 -0000	1.36
+++ model/org/eclipse/jdt/core/util/CompilationUnitSorter.java	31 Jan 2007 14:52:46 -0000
@@ -352,10 +352,7 @@
 	 * <p>
 	 * The <code>compare</code> method of the given comparator is passed pairs
 	 * of body declarations (subclasses of <code>BodyDeclaration</code>)
-	 * representing body declarations at the same level. The nodes are from an
-	 * AST of the specified level ({@link org.eclipse.jdt.core.dom.ASTParser#newParser(int)}.
-	 * Clients will generally use AST.JLS3 since that will cover all
-	 * constructs found in Java 1.0, 1.1, 1.2, 1.3, 1.4, and 1.5 source code.
+	 * representing body declarations at the same level. 
 	 * The comparator is called on body declarations of nested classes,
 	 * including anonymous and local classes, but always at the same level.
 	 * Clients need to provide a comparator implementation (there is no standard
@@ -413,10 +410,7 @@
 	 * <td width="50%"><code>modifiers, name, arguments<br>
 	 *        RELATIVE_ORDER property</code></td>
 	 * </tr>
-	 * </table> Clients should not rely on the AST nodes being properly parented
-	 * or on having source range information. (Future releases may provide
-	 * options for requesting additional information like source positions, full
-	 * ASTs, non-recursive sorting, etc.)
+	 * </table>
 	 * </p>
 	 * 
 	 * @param unit
@@ -438,14 +432,7 @@
 	 *                if the compilation unit could not be sorted. Reasons
 	 *                include:
 	 *                <ul>
-	 *                <li> The given compilation unit does not exist
-	 *                (ELEMENT_DOES_NOT_EXIST)</li>
-	 *                <li> The given compilation unit is not a working copy
-	 *                (INVALID_ELEMENT_TYPES)</li>
-	 *                <li> A <code>CoreException</code> occurred while
-	 *                accessing the underlying resource</li>
-	 *                <li>The given compilation unit doesn't come from an ICompilationUnit and this ICompilationUnit is
-	 *                not a working copy (NO_ELEMENTS_TO_PROCESS)</li>
+	 *                <li> The given unit was not created from a ICompilationUnit (INVALID_ELEMENT_TYPES)</li>
 	 *                </ul>
 	 * @exception IllegalArgumentException
 	 *                if the given compilation unit is null or if the given
Index: model/org/eclipse/jdt/internal/core/SortElementsOperation.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/SortElementsOperation.java,v
retrieving revision 1.37
diff -u -r1.37 SortElementsOperation.java
--- model/org/eclipse/jdt/internal/core/SortElementsOperation.java	23 Jan 2007 14:58:32 -0000	1.37
+++ model/org/eclipse/jdt/internal/core/SortElementsOperation.java	31 Jan 2007 14:52:47 -0000
@@ -120,10 +120,12 @@
 	 * @return the edit or null if no sorting is required
 	 */
 	public TextEdit calculateEdit(org.eclipse.jdt.core.dom.CompilationUnit unit, TextEditGroup group) throws JavaModelException {
-		IJavaModelStatus status= this.verify();
-		if (!status.isOK()) {
-			throw new JavaModelException(status);
-		}
+		if (this.elementsToProcess.length != 1)
+			throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.NO_ELEMENTS_TO_PROCESS));
+		
+		if (!(this.elementsToProcess[0] instanceof ICompilationUnit))
+			throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, this.elementsToProcess[0]));
+		
 		try {
 			beginTask(Messages.operation_sortelements, getMainAmountOfWork());
 			
@@ -333,7 +335,7 @@
 		if (this.elementsToProcess[0] == null) {
 			return new JavaModelStatus(IJavaModelStatusConstants.NO_ELEMENTS_TO_PROCESS);
 		}
-		if (!(this.elementsToProcess[0] instanceof ICompilationUnit) || !((ICompilationUnit) this.elementsToProcess[0]).isWorkingCopy()) {
+		if (!(this.elementsToProcess[0] instanceof ICompilationUnit)  || !((ICompilationUnit) this.elementsToProcess[0]).isWorkingCopy()) {
 			return new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, this.elementsToProcess[0]);
 		}
 		return JavaModelStatus.VERIFIED_OK;