Java Code Examples for org.eclipse.jdt.core.refactoring.CompilationUnitChange#setEdit()

@Test
public void testConvertCompilationUnitChange() throws CoreException {
	IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
	ICompilationUnit cu = pack1.createCompilationUnit("E.java", "", false, null);
	CompilationUnitChange change = new CompilationUnitChange("insertText", cu);
	String newText = "// some content";
	change.setEdit(new InsertEdit(0, newText));

	WorkspaceEdit edit = ChangeUtil.convertToWorkspaceEdit(change);

	assertEquals(edit.getDocumentChanges().size(), 1);

	TextDocumentEdit textDocumentEdit = edit.getDocumentChanges().get(0).getLeft();
	assertNotNull(textDocumentEdit);
	assertEquals(textDocumentEdit.getEdits().size(), 1);

	TextEdit textEdit = textDocumentEdit.getEdits().get(0);
	assertEquals(textEdit.getNewText(), newText);
}
 

@Test
public void testConvertSimpleCompositeChange() throws CoreException {
	IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
	ICompilationUnit cu = pack1.createCompilationUnit("E.java", "", false, null);
	CompositeChange change = new CompositeChange("simple composite change");

	RenameCompilationUnitChange resourceChange = new RenameCompilationUnitChange(cu, "ENew.java");
	change.add(resourceChange);
	CompilationUnitChange textChange = new CompilationUnitChange("insertText", cu);
	textChange.setEdit(new InsertEdit(0, "// some content"));
	change.add(textChange);

	WorkspaceEdit edit = ChangeUtil.convertToWorkspaceEdit(change);
	assertEquals(edit.getDocumentChanges().size(), 2);
	assertTrue(edit.getDocumentChanges().get(0).getRight() instanceof RenameFile);
	assertTrue(edit.getDocumentChanges().get(1).getLeft() instanceof TextDocumentEdit);
}
 

/**
 * Destructively clones a {@link CompilationUnitChange} where the cloned
 * change will have a different compilation unit. This does not update text
 * regions or anything more than setting the change properties and moving text
 * edits from the old to new change.
 * 
 * @param originalChange the original change, this change's internal state
 *          will likely become invalid (its text edits will be moved to the
 *          new change)
 * @param cu the compilation unit to be used for the new
 *          {@link CompilationUnitChange}
 * @return the cloned {@link CompilationUnitChange}
 */
public static CompilationUnitChange cloneCompilationUnitChangeWithDifferentCu(
    TextFileChange originalChange, ICompilationUnit cu) {
  CompilationUnitChange newChange = new CompilationUnitChange(
      originalChange.getName(), cu);

  newChange.setEdit(originalChange.getEdit());
  newChange.setEnabledShallow(originalChange.isEnabled());
  newChange.setKeepPreviewEdits(originalChange.getKeepPreviewEdits());
  newChange.setSaveMode(originalChange.getSaveMode());
  newChange.setTextType(originalChange.getTextType());

  // Copy the changes over
  TextEditUtilities.moveTextEditGroupsIntoChange(
      originalChange.getChangeGroups(), newChange);

  return newChange;
}
 

private void createEdits() {
	TextEdit declarationEdit= createRenameEdit(fTempDeclarationNode.getName().getStartPosition());
	TextEdit[] allRenameEdits= getAllRenameEdits(declarationEdit);

	TextEdit[] allUnparentedRenameEdits= new TextEdit[allRenameEdits.length];
	TextEdit unparentedDeclarationEdit= null;

	fChange= new CompilationUnitChange(RefactoringCoreMessages.RenameTempRefactoring_rename, fCu);
	MultiTextEdit rootEdit= new MultiTextEdit();
	fChange.setEdit(rootEdit);
	fChange.setKeepPreviewEdits(true);

	for (int i= 0; i < allRenameEdits.length; i++) {
		if (fIsComposite) {
			// Add a copy of the text edit (text edit may only have one
			// parent) to keep problem reporting code clean
			TextChangeCompatibility.addTextEdit(fChangeManager.get(fCu), RefactoringCoreMessages.RenameTempRefactoring_changeName, allRenameEdits[i].copy(), fCategorySet);

			// Add a separate copy for problem reporting
			allUnparentedRenameEdits[i]= allRenameEdits[i].copy();
			if (allRenameEdits[i].equals(declarationEdit))
				unparentedDeclarationEdit= allUnparentedRenameEdits[i];
		}
		rootEdit.addChild(allRenameEdits[i]);
		fChange.addTextEditGroup(new TextEditGroup(RefactoringCoreMessages.RenameTempRefactoring_changeName, allRenameEdits[i]));
	}

	// store information for analysis
	if (fIsComposite) {
		fLocalAnalyzePackage= new RenameAnalyzeUtil.LocalAnalyzePackage(unparentedDeclarationEdit, allUnparentedRenameEdits);
	} else
		fLocalAnalyzePackage= new RenameAnalyzeUtil.LocalAnalyzePackage(declarationEdit, allRenameEdits);
}
 

public static ICleanUpFix createCleanUp(ICompilationUnit compilationUnit, boolean updateIbmCopyright) throws CoreException {
	if (!updateIbmCopyright)
		return null;
	
	IBuffer buffer= compilationUnit.getBuffer();
	String contents= buffer.getContents();
	
	for (SearchReplacePattern pattern : SEARCH_REPLACE_PATTERNS) {
		Matcher matcher= pattern.getSearchPattern().matcher(contents);
		if (matcher.find(0)) {
			int start= matcher.start();
			int end= matcher.end();
			String substring= contents.substring(start, end);
			
			matcher= pattern.getSearchPattern().matcher(substring);
			String replacement= matcher.replaceFirst(pattern.getReplaceString());
			if (substring.equals(replacement))
				return null;
			
			ReplaceEdit edit= new ReplaceEdit(start, substring.length(), replacement);
			
			CompilationUnitChange change= new CompilationUnitChange("Update Copyright", compilationUnit); //$NON-NLS-1$
			change.setEdit(edit);
			
			return new UpdateCopyrightFix(change);
		}
	}
	
	return null;
}
 

public PolymorphismRefactoring(IFile sourceFile, CompilationUnit sourceCompilationUnit,
		TypeDeclaration sourceTypeDeclaration, TypeCheckElimination typeCheckElimination) {
	this.sourceFile = sourceFile;
	this.sourceCompilationUnit = sourceCompilationUnit;
	this.sourceTypeDeclaration = sourceTypeDeclaration;
	this.typeCheckElimination = typeCheckElimination;
	this.compilationUnitChanges = new LinkedHashMap<ICompilationUnit, CompilationUnitChange>();
	ICompilationUnit sourceICompilationUnit = (ICompilationUnit)sourceCompilationUnit.getJavaElement();
	MultiTextEdit sourceMultiTextEdit = new MultiTextEdit();
	CompilationUnitChange sourceCompilationUnitChange = new CompilationUnitChange("", sourceICompilationUnit);
	sourceCompilationUnitChange.setEdit(sourceMultiTextEdit);
	compilationUnitChanges.put(sourceICompilationUnit, sourceCompilationUnitChange);
	this.javaElementsToOpenInEditor = new LinkedHashSet<IJavaElement>();
	this.fieldDeclarationsChangedWithPublicModifier = new LinkedHashSet<FieldDeclaration>();
}
 

static CompilationUnitChange createAddImportChange(ICompilationUnit cu, Name name, String fullyQualifiedName) throws CoreException {
	String[] args= { BasicElementLabels.getJavaElementName(Signature.getSimpleName(fullyQualifiedName)),
			BasicElementLabels.getJavaElementName(Signature.getQualifier(fullyQualifiedName)) };
	String label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_importtype_description, args);

	CompilationUnitChange cuChange= new CompilationUnitChange(label, cu);
	ImportRewrite importRewrite= StubUtility.createImportRewrite((CompilationUnit) name.getRoot(), true);
	importRewrite.addImport(fullyQualifiedName);
	cuChange.setEdit(importRewrite.rewriteImports(null));
	return cuChange;
}
 

/**
 * {@inheritDoc}
 */
public CompilationUnitChange createChange(IProgressMonitor progressMonitor) throws CoreException {
	String label= fChangeDescription;
	CompilationUnitChange result= new CompilationUnitChange(label, fUnit);
	result.setEdit(fEdit);
	result.addTextEditGroup(new CategorizedTextEditGroup(label, new GroupCategorySet(new GroupCategory(label, label, label))));
	return result;
}
 

private void createEdits() {
	TextEdit declarationEdit= createRenameEdit(fTempDeclarationNode.getName().getStartPosition());
	TextEdit[] allRenameEdits= getAllRenameEdits(declarationEdit);

	TextEdit[] allUnparentedRenameEdits= new TextEdit[allRenameEdits.length];
	TextEdit unparentedDeclarationEdit= null;

	fChange= new CompilationUnitChange(RefactoringCoreMessages.RenameTempRefactoring_rename, fCu);
	MultiTextEdit rootEdit= new MultiTextEdit();
	fChange.setEdit(rootEdit);
	fChange.setKeepPreviewEdits(true);

	for (int i= 0; i < allRenameEdits.length; i++) {
		if (fIsComposite) {
			// Add a copy of the text edit (text edit may only have one
			// parent) to keep problem reporting code clean
			TextChangeCompatibility.addTextEdit(fChangeManager.get(fCu), RefactoringCoreMessages.RenameTempRefactoring_changeName, allRenameEdits[i].copy(), fCategorySet);

			// Add a separate copy for problem reporting
			allUnparentedRenameEdits[i]= allRenameEdits[i].copy();
			if (allRenameEdits[i].equals(declarationEdit)) {
				unparentedDeclarationEdit= allUnparentedRenameEdits[i];
			}
		}
		rootEdit.addChild(allRenameEdits[i]);
		fChange.addTextEditGroup(new TextEditGroup(RefactoringCoreMessages.RenameTempRefactoring_changeName, allRenameEdits[i]));
	}

	// store information for analysis
	if (fIsComposite) {
		fLocalAnalyzePackage= new RenameAnalyzeUtil.LocalAnalyzePackage(unparentedDeclarationEdit, allUnparentedRenameEdits);
	} else {
		fLocalAnalyzePackage= new RenameAnalyzeUtil.LocalAnalyzePackage(declarationEdit, allRenameEdits);
	}
}
 

/**
 * Apply all changes related to a single ICompilationUnit
 * @param icu the compilation unit
 * @param vars
 * @param unitChange
 * @throws CoreException
 */
private void addAllChangesFor(ICompilationUnit icu, Set<ConstraintVariable> vars, CompilationUnitChange unitChange) throws CoreException {
	CompilationUnit	unit= new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(icu, true);
	ASTRewrite unitRewriter= ASTRewrite.create(unit.getAST());
	MultiTextEdit root= new MultiTextEdit();
	unitChange.setEdit(root); // Adam sez don't need this, but then unitChange.addGroupDescription() fails an assertion!

	String typeName= updateImports(unit, root);
	updateCu(unit, vars, unitChange, unitRewriter, typeName);
	root.addChild(unitRewriter.rewriteAST());
}
 

public void run(IProgressMonitor monitor) throws CoreException {
  ICompilationUnit icu = clientBundle.getCompilationUnit();
  CompilationUnit cu = JavaASTUtils.parseCompilationUnit(icu);
  ImportRewrite importRewrite = StubUtility.createImportRewrite(cu, true);

  // Find the target type declaration
  TypeDeclaration typeDecl = JavaASTUtils.findTypeDeclaration(cu,
      clientBundle.getFullyQualifiedName());
  if (typeDecl == null) {
    throw new CoreException(
        StatusUtilities.newErrorStatus("Missing ClientBundle type "
            + clientBundle.getFullyQualifiedName(), GWTPlugin.PLUGIN_ID));
  }

  // We need to rewrite the AST of the ClientBundle type declaration
  ASTRewrite astRewrite = ASTRewrite.create(cu.getAST());
  ChildListPropertyDescriptor property = ASTNodes.getBodyDeclarationsProperty(typeDecl);
  ListRewrite listRewriter = astRewrite.getListRewrite(typeDecl, property);

  // Add the new resource methods
  boolean addComments = StubUtility.doAddComments(icu.getJavaProject());
  for (ClientBundleResource resource : resources) {
    listRewriter.insertLast(resource.createMethodDeclaration(clientBundle,
        astRewrite, importRewrite, addComments), null);
  }

  // Create the edit to add the methods and update the imports
  TextEdit rootEdit = new MultiTextEdit();
  rootEdit.addChild(astRewrite.rewriteAST());
  rootEdit.addChild(importRewrite.rewriteImports(null));

  // Apply the change to the compilation unit
  CompilationUnitChange cuChange = new CompilationUnitChange(
      "Update ClientBundle", icu);
  cuChange.setSaveMode(TextFileChange.KEEP_SAVE_STATE);
  cuChange.setEdit(rootEdit);
  cuChange.perform(new NullProgressMonitor());
}
 

static CompilationUnitChange createAddImportChange(ICompilationUnit cu, Name name, String fullyQualifiedName) throws CoreException {
	String[] args= { BasicElementLabels.getJavaElementName(Signature.getSimpleName(fullyQualifiedName)),
			BasicElementLabels.getJavaElementName(Signature.getQualifier(fullyQualifiedName)) };
	String label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_importtype_description, args);

	CompilationUnitChange cuChange= new CompilationUnitChange(label, cu);
	ImportRewrite importRewrite = CodeStyleConfiguration.createImportRewrite((CompilationUnit) name.getRoot(), true);
	importRewrite.addImport(fullyQualifiedName);
	cuChange.setEdit(importRewrite.rewriteImports(null));
	return cuChange;
}
 

private CompilationUnitChange constructNewCUChange(ICompilationUnit cu) throws CoreException {
	String lineDelimiter = StubUtility.getLineDelimiterUsed(fCompilationUnit.getJavaProject());
	String typeStub = constructTypeStub(cu, fTypeNameWithParameters, Flags.AccPublic, lineDelimiter);
	String cuContent = constructCUContent(cu, typeStub, lineDelimiter);
	CompilationUnitChange cuChange = new CompilationUnitChange("", cu);
	cuChange.setEdit(new InsertEdit(0, cuContent));
	return cuChange;
}
 

@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
	pm.beginTask("", 20); //$NON-NLS-1$
	fChangeManager= new TextChangeManager();
	RefactoringStatus result= new RefactoringStatus();
	fSourceProvider.initialize();
	fTargetProvider.initialize();

	pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
	RefactoringStatus searchStatus= new RefactoringStatus();
	String binaryRefsDescription= Messages.format(RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description , BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
	ReferencesInBinaryContext binaryRefs= new ReferencesInBinaryContext(binaryRefsDescription);
	ICompilationUnit[] units= fTargetProvider.getAffectedCompilationUnits(searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
	binaryRefs.addErrorIfNecessary(searchStatus);
	if (searchStatus.hasFatalError()) {
		result.merge(searchStatus);
		return result;
	}

	IFile[] filesToBeModified= getFilesToBeModified(units);
	result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
	if (result.hasFatalError())
		return result;
	result.merge(ResourceChangeChecker.checkFilesToBeChanged(filesToBeModified, new SubProgressMonitor(pm, 1)));
	checkOverridden(result, new SubProgressMonitor(pm, 4));
	IProgressMonitor sub= new SubProgressMonitor(pm, 15);
	sub.beginTask("", units.length * 3); //$NON-NLS-1$
	for (int c= 0; c < units.length; c++) {
		ICompilationUnit unit= units[c];
		sub.subTask(Messages.format(RefactoringCoreMessages.InlineMethodRefactoring_processing,  BasicElementLabels.getFileName(unit)));
		CallInliner inliner= null;
		try {
			boolean added= false;
			MultiTextEdit root= new MultiTextEdit();
			CompilationUnitChange change= (CompilationUnitChange)fChangeManager.get(unit);
			change.setEdit(root);
			BodyDeclaration[] bodies= fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
			if (bodies.length == 0)
				continue;
			inliner= new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
			for (int b= 0; b < bodies.length; b++) {
				BodyDeclaration body= bodies[b];
				inliner.initialize(body);
				RefactoringStatus nestedInvocations= new RefactoringStatus();
				ASTNode[] invocations= removeNestedCalls(nestedInvocations, unit,
					fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
				for (int i= 0; i < invocations.length; i++) {
					ASTNode invocation= invocations[i];
					result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
					if (result.hasFatalError())
						break;
					if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
						added= true;
						TextEditGroup group= new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
						change.addTextEditGroup(group);
						result.merge(inliner.perform(group));
					} else {
						fDeleteSource= false;
					}
				}
				// do this after we have inlined the method calls. We still want
				// to generate the modifications.
				if (!nestedInvocations.isOK()) {
					result.merge(nestedInvocations);
					fDeleteSource= false;
				}
			}
			if (!added) {
				fChangeManager.remove(unit);
			} else {
				root.addChild(inliner.getModifications());
				ImportRewrite rewrite= inliner.getImportEdit();
				if (rewrite.hasRecordedChanges()) {
					TextEdit edit= rewrite.rewriteImports(null);
					if (edit instanceof MultiTextEdit ? ((MultiTextEdit)edit).getChildrenSize() > 0 : true) {
						root.addChild(edit);
						change.addTextEditGroup(
							new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_import, new TextEdit[] {edit}));
					}
				}
			}
		} finally {
			if (inliner != null)
				inliner.dispose();
		}
		sub.worked(1);
		if (sub.isCanceled())
			throw new OperationCanceledException();
	}
	result.merge(searchStatus);
	sub.done();
	pm.done();
	return result;
}
 

@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
	pm.beginTask("", 20); //$NON-NLS-1$
	fChangeManager= new TextChangeManager();
	RefactoringStatus result= new RefactoringStatus();

	fSourceProvider= resolveSourceProvider(fMethodBinding, result);
	if (result.hasFatalError())
		return result;

	result.merge(fSourceProvider.checkActivation());
	if (result.hasFatalError())
		return result;

	fSourceProvider.initialize();
	fTargetProvider.initialize();

	pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
	RefactoringStatus searchStatus= new RefactoringStatus();
	String binaryRefsDescription= Messages.format(RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description , BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
	ReferencesInBinaryContext binaryRefs= new ReferencesInBinaryContext(binaryRefsDescription);
	ICompilationUnit[] units= fTargetProvider.getAffectedCompilationUnits(searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
	binaryRefs.addErrorIfNecessary(searchStatus);

	if (searchStatus.hasFatalError()) {
		result.merge(searchStatus);
		return result;
	}
	IFile[] filesToBeModified= getFilesToBeModified(units);
	result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
	if (result.hasFatalError())
		return result;
	result.merge(ResourceChangeChecker.checkFilesToBeChanged(filesToBeModified, new SubProgressMonitor(pm, 1)));
	checkOverridden(result, new SubProgressMonitor(pm, 4));
	IProgressMonitor sub= new SubProgressMonitor(pm, 15);
	sub.beginTask("", units.length * 3); //$NON-NLS-1$
	for (int c= 0; c < units.length; c++) {
		ICompilationUnit unit= units[c];
		sub.subTask(Messages.format(RefactoringCoreMessages.InlineMethodRefactoring_processing,  BasicElementLabels.getFileName(unit)));
		CallInliner inliner= null;
		try {
			boolean added= false;
			MultiTextEdit root= new MultiTextEdit();
			CompilationUnitChange change= (CompilationUnitChange)fChangeManager.get(unit);
			change.setEdit(root);
			BodyDeclaration[] bodies= fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
			if (bodies.length == 0)
				continue;
			inliner= new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
			for (int b= 0; b < bodies.length; b++) {
				BodyDeclaration body= bodies[b];
				inliner.initialize(body);
				RefactoringStatus nestedInvocations= new RefactoringStatus();
				ASTNode[] invocations= removeNestedCalls(nestedInvocations, unit,
					fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
				for (int i= 0; i < invocations.length; i++) {
					ASTNode invocation= invocations[i];
					result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
					if (result.hasFatalError())
						break;
					if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
						added= true;
						TextEditGroup group= new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
						change.addTextEditGroup(group);
						result.merge(inliner.perform(group));
					}
				}
				// do this after we have inlined the method calls. We still want
				// to generate the modifications.
				result.merge(nestedInvocations);
			}
			if (!added) {
				fChangeManager.remove(unit);
			} else {
				root.addChild(inliner.getModifications());
				ImportRewrite rewrite= inliner.getImportEdit();
				if (rewrite.hasRecordedChanges()) {
					TextEdit edit= rewrite.rewriteImports(null);
					if (edit instanceof MultiTextEdit ? ((MultiTextEdit)edit).getChildrenSize() > 0 : true) {
						root.addChild(edit);
						change.addTextEditGroup(
							new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_import, new TextEdit[] {edit}));
					}
				}
			}
		} finally {
			if (inliner != null)
				inliner.dispose();
		}
		sub.worked(1);
		if (sub.isCanceled())
			throw new OperationCanceledException();
	}
	result.merge(searchStatus);
	sub.done();
	pm.done();
	return result;
}
 

/**
	 * Add all changes necessary on the <code>ICompilationUnit</code> in the given
	 * <code>SearchResultGroup</code> to implement the refactoring transformation
	 * to the given <code>CompilationUnitChange</code>.
	 * @param rg the <code>SearchResultGroup</code> for which changes should be created
	 * @param unitHandle
	 * @param unitChange the CompilationUnitChange object for the compilation unit in question
	 * @return <code>true</code> iff a change has been added
	 * @throws CoreException
	 */
	private boolean addAllChangesFor(SearchResultGroup rg, ICompilationUnit	unitHandle, CompilationUnitChange unitChange) throws CoreException {
//		ICompilationUnit	unitHandle= rg.getCompilationUnit();
		Assert.isTrue(rg == null || rg.getCompilationUnit() == unitHandle);
		CompilationUnit		unit= getASTFor(unitHandle);
		ASTRewrite			unitRewriter= ASTRewrite.create(unit.getAST());
		MultiTextEdit		root= new MultiTextEdit();
		boolean				someChange= false;

		unitChange.setEdit(root);
		fImportRewriter= StubUtility.createImportRewrite(unit, true);

		// First create the factory method
		if (unitHandle.equals(fFactoryUnitHandle)) {
			TextEditGroup	factoryGD= new TextEditGroup(RefactoringCoreMessages.IntroduceFactory_addFactoryMethod);

			createFactoryChange(unitRewriter, unit, factoryGD);
			unitChange.addTextEditGroup(factoryGD);
			someChange= true;
		}

		// Now rewrite all the constructor calls to use the factory method
		if (rg != null)
			if (replaceConstructorCalls(rg, unit, unitRewriter, unitChange))
				someChange= true;

		// Finally, make the constructor private, if requested.
		if (shouldProtectConstructor() && isConstructorUnit(unitHandle)) {
			TextEditGroup	declGD= new TextEditGroup(RefactoringCoreMessages.IntroduceFactory_protectConstructor);

			if (protectConstructor(unit, unitRewriter, declGD)) {
				unitChange.addTextEditGroup(declGD);
				someChange= true;
			}
		}

		if (someChange) {
			root.addChild(unitRewriter.rewriteAST());
			root.addChild(fImportRewriter.rewriteImports(null));
		}

		return someChange;
	}
 

public static IProposableFix createAddUnimplementedMethodsFix(final CompilationUnit root, IProblemLocation problem) {
	ASTNode typeNode= getSelectedTypeNode(root, problem);
	if (typeNode == null)
		return null;

	if (isTypeBindingNull(typeNode))
		return null;

	AddUnimplementedMethodsOperation operation= new AddUnimplementedMethodsOperation(typeNode);
	if (operation.getMethodsToImplement().length > 0) {
		return new UnimplementedCodeFix(CorrectionMessages.UnimplementedMethodsCorrectionProposal_description, root, new CompilationUnitRewriteOperation[] { operation });
	} else {
		return new IProposableFix() {
			public CompilationUnitChange createChange(IProgressMonitor progressMonitor) throws CoreException {
				CompilationUnitChange change= new CompilationUnitChange(CorrectionMessages.UnimplementedMethodsCorrectionProposal_description, (ICompilationUnit) root.getJavaElement()) {
					@Override
					public Change perform(IProgressMonitor pm) throws CoreException {
						Shell shell= PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
						String dialogTitle= CorrectionMessages.UnimplementedMethodsCorrectionProposal_description;
						IStatus status= getStatus();
						ErrorDialog.openError(shell, dialogTitle, CorrectionMessages.UnimplementedCodeFix_DependenciesErrorMessage, status);

						return new NullChange();
					}
				};
				change.setEdit(new MultiTextEdit());
				return change;
			}

			public String getAdditionalProposalInfo() {
				return new String();
			}

			public String getDisplayString() {
				return CorrectionMessages.UnimplementedMethodsCorrectionProposal_description;
			}

			public IStatus getStatus() {
				return new Status(IStatus.ERROR, JavaUI.ID_PLUGIN, CorrectionMessages.UnimplementedCodeFix_DependenciesStatusMessage);
			}
		};
	}
}
 

/**
 * Creates a compilation unit change based on the events recorded by this compilation unit rewrite.
 * @param name the name of the change to create
 * @param generateGroups <code>true</code> to generate text edit groups, <code>false</code> otherwise
 * @param monitor the progress monitor or <code>null</code>
 * @return a {@link CompilationUnitChange}, or <code>null</code> for an empty change
 * @throws CoreException when text buffer acquisition or import rewrite text edit creation fails
 * @throws IllegalArgumentException when the AST rewrite encounters problems
 */
public CompilationUnitChange createChange(String name, boolean generateGroups, IProgressMonitor monitor) throws CoreException {
	CompilationUnitChange cuChange= new CompilationUnitChange(name, fCu);
	MultiTextEdit multiEdit= new MultiTextEdit();
	cuChange.setEdit(multiEdit);
	return attachChange(cuChange, generateGroups, monitor);
}