Java Code Examples for org.eclipse.jdt.core.dom.rewrite.ASTRewrite#getListRewrite()

/**
 * {@inheritDoc}
 */
@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel model) throws CoreException {
	TextEditGroup group= createTextEditGroup(FixMessages.TypeParametersFix_insert_inferred_type_arguments_description, cuRewrite);

	ASTRewrite rewrite= cuRewrite.getASTRewrite();
	ImportRewrite importRewrite= cuRewrite.getImportRewrite();
	AST ast= cuRewrite.getRoot().getAST();

	for (int i= 0; i < fCreatedTypes.length; i++) {
		ParameterizedType createdType= fCreatedTypes[i];

		ITypeBinding[] typeArguments= createdType.resolveBinding().getTypeArguments();
		ContextSensitiveImportRewriteContext importContext= new ContextSensitiveImportRewriteContext(cuRewrite.getRoot(), createdType.getStartPosition(), importRewrite);

		ListRewrite argumentsRewrite= rewrite.getListRewrite(createdType, ParameterizedType.TYPE_ARGUMENTS_PROPERTY);
		for (int j= 0; j < typeArguments.length; j++) {
			ITypeBinding typeArgument= typeArguments[j];
			Type argumentNode= importRewrite.addImport(typeArgument, ast, importContext);
			argumentsRewrite.insertLast(argumentNode, group);
		}
	}
}
 

private ListRewrite evaluateListRewrite(ASTRewrite rewrite, ASTNode declNode) {
	switch (declNode.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return rewrite.getListRewrite(declNode, MethodDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.FIELD_DECLARATION:
			return rewrite.getListRewrite(declNode, FieldDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			return rewrite.getListRewrite(declNode, VariableDeclarationExpression.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			return rewrite.getListRewrite(declNode, VariableDeclarationStatement.MODIFIERS2_PROPERTY);
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			return rewrite.getListRewrite(declNode, SingleVariableDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, TypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumConstantDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeMemberDeclaration.MODIFIERS2_PROPERTY);
		default:
			throw new IllegalArgumentException("node has no modifiers: " + declNode.getClass().getName()); //$NON-NLS-1$
	}
}
 

private void insertAllMissingTypeTags(ASTRewrite rewriter, TypeDeclaration typeDecl) {
	AST ast= typeDecl.getAST();
	Javadoc javadoc= typeDecl.getJavadoc();
	ListRewrite tagsRewriter= rewriter.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);

	List<TypeParameter> typeParams= typeDecl.typeParameters();
	for (int i= typeParams.size() - 1; i >= 0; i--) {
		TypeParameter decl= typeParams.get(i);
		String name= '<' + decl.getName().getIdentifier() + '>';
		if (findTag(javadoc, TagElement.TAG_PARAM, name) == null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_PARAM);
			TextElement text= ast.newTextElement();
			text.setText(name);
			newTag.fragments().add(text);
			insertTabStop(rewriter, newTag.fragments(), "typeParam" + i); //$NON-NLS-1$
			insertTag(tagsRewriter, newTag, getPreviousTypeParamNames(typeParams, decl));
		}
	}
}
 

protected void replaceThisExpressionWithContextParameterInClassInstanceCreationArguments(Statement newStatement, AST subclassAST, ASTRewrite subclassRewriter) {
	ExpressionExtractor expressionExtractor = new ExpressionExtractor();
	List<Expression> classInstanceCreations = expressionExtractor.getClassInstanceCreations(newStatement);
	for(Expression creation : classInstanceCreations) {
		ClassInstanceCreation classInstanceCreation = (ClassInstanceCreation)creation;
		List<Expression> arguments = classInstanceCreation.arguments();
		for(Expression argument : arguments) {
			if(argument instanceof ThisExpression) {
				String parameterName = sourceTypeDeclaration.getName().getIdentifier();
				parameterName = parameterName.substring(0,1).toLowerCase() + parameterName.substring(1,parameterName.length());
				ListRewrite argumentsRewrite = subclassRewriter.getListRewrite(classInstanceCreation, ClassInstanceCreation.ARGUMENTS_PROPERTY);
				argumentsRewrite.replace(argument, subclassAST.newSimpleName(parameterName), null);
			}
		}
	}
}
 

private void addEnclosingInstanceTypeParameters(final ITypeBinding[] parameters, final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) {
	Assert.isNotNull(parameters);
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	if (declaration instanceof TypeDeclaration) {
		final TypeDeclaration type= (TypeDeclaration) declaration;
		final List<TypeParameter> existing= type.typeParameters();
		final Set<String> names= new HashSet<String>();
		TypeParameter parameter= null;
		for (final Iterator<TypeParameter> iterator= existing.iterator(); iterator.hasNext();) {
			parameter= iterator.next();
			names.add(parameter.getName().getIdentifier());
		}
		final ListRewrite rewriter= rewrite.getListRewrite(type, TypeDeclaration.TYPE_PARAMETERS_PROPERTY);
		String name= null;
		for (int index= 0; index < parameters.length; index++) {
			name= parameters[index].getName();
			if (!names.contains(name)) {
				parameter= type.getAST().newTypeParameter();
				parameter.setName(type.getAST().newSimpleName(name));
				rewriter.insertLast(parameter, null);
			}
		}
	}
}
 

/**
 * Removes all {@link Annotation} whose only {@link Target} is {@link ElementType#TYPE_USE} from
 * <code>node</code>'s <code>childListProperty</code>.
 * <p>
 * In a combination of {@link ElementType#TYPE_USE} and {@link ElementType#TYPE_PARAMETER}
 * the latter is ignored, because this is implied by the former and creates no ambiguity.</p>
 *
 * @param node ASTNode
 * @param childListProperty child list property
 * @param rewrite rewrite that removes the nodes
 * @param editGroup the edit group in which to collect the corresponding text edits, or null if
 *            ungrouped
 */
public static void removePureTypeAnnotations(ASTNode node, ChildListPropertyDescriptor childListProperty, ASTRewrite rewrite, TextEditGroup editGroup) {
	CompilationUnit root= (CompilationUnit) node.getRoot();
	if (!JavaModelUtil.is18OrHigher(root.getJavaElement().getJavaProject())) {
		return;
	}
	ListRewrite listRewrite= rewrite.getListRewrite(node, childListProperty);
	@SuppressWarnings("unchecked")
	List<? extends ASTNode> children= (List<? extends ASTNode>) node.getStructuralProperty(childListProperty);
	for (ASTNode child : children) {
		if (child instanceof Annotation) {
			Annotation annotation= (Annotation) child;
			if (isPureTypeAnnotation(annotation)) {
				listRewrite.remove(child, editGroup);
			}
		}
	}
}
 

public static ASTNode getCopyOfInner(ASTRewrite rewrite, ASTNode statement, boolean toControlStatementBody) {
	if (statement.getNodeType() == ASTNode.BLOCK) {
		Block block= (Block) statement;
		List<Statement> innerStatements= block.statements();
		int nStatements= innerStatements.size();
		if (nStatements == 1) {
			return rewrite.createCopyTarget(innerStatements.get(0));
		} else if (nStatements > 1) {
			if (toControlStatementBody) {
				return rewrite.createCopyTarget(block);
			}
			ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
			ASTNode first= innerStatements.get(0);
			ASTNode last= innerStatements.get(nStatements - 1);
			return listRewrite.createCopyTarget(first, last);
		}
		return null;
	} else {
		return rewrite.createCopyTarget(statement);
	}
}
 

/**
 * Creates the type parameters of the new supertype.
 *
 * @param targetRewrite
 *            the target compilation unit rewrite
 * @param subType
 *            the subtype
 * @param sourceDeclaration
 *            the type declaration of the source type
 * @param targetDeclaration
 *            the type declaration of the target type
 */
protected final void createTypeParameters(final ASTRewrite targetRewrite, final IType subType, final AbstractTypeDeclaration sourceDeclaration, final AbstractTypeDeclaration targetDeclaration) {
	Assert.isNotNull(targetRewrite);
	Assert.isNotNull(sourceDeclaration);
	Assert.isNotNull(targetDeclaration);
	if (sourceDeclaration instanceof TypeDeclaration) {
		TypeParameter parameter= null;
		final ListRewrite rewrite= targetRewrite.getListRewrite(targetDeclaration, TypeDeclaration.TYPE_PARAMETERS_PROPERTY);
		for (final Iterator<TypeParameter> iterator= ((TypeDeclaration) sourceDeclaration).typeParameters().iterator(); iterator.hasNext();) {
			parameter= iterator.next();
			rewrite.insertLast(ASTNode.copySubtree(targetRewrite.getAST(), parameter), null);
			ImportRewriteUtil.collectImports(subType.getJavaProject(), sourceDeclaration, fTypeBindings, fStaticBindings, false);
		}
	}
}
 

private void createParameterClass(MethodDeclaration methodDeclaration, CompilationUnitRewrite cuRewrite) throws CoreException {
	if (fCreateAsTopLevel) {
		IPackageFragmentRoot root= (IPackageFragmentRoot) cuRewrite.getCu().getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
		fOtherChanges.addAll(fParameterObjectFactory.createTopLevelParameterObject(root));
	} else {
		ASTRewrite rewriter= cuRewrite.getASTRewrite();
		TypeDeclaration enclosingType= (TypeDeclaration) methodDeclaration.getParent();
		ListRewrite bodyRewrite= rewriter.getListRewrite(enclosingType, TypeDeclaration.BODY_DECLARATIONS_PROPERTY);
		String fqn= enclosingType.getName().getFullyQualifiedName();
		TypeDeclaration classDeclaration= fParameterObjectFactory.createClassDeclaration(fqn, cuRewrite, null);
		classDeclaration.modifiers().add(rewriter.getAST().newModifier(ModifierKeyword.PUBLIC_KEYWORD));
		classDeclaration.modifiers().add(rewriter.getAST().newModifier(ModifierKeyword.STATIC_KEYWORD));
		bodyRewrite.insertBefore(classDeclaration, methodDeclaration, null);
	}
}
 

@Override
protected void repairBug(ASTRewrite rewrite, CompilationUnit workingUnit, BugInstance bug) throws BugResolutionException {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(workingUnit);
    Assert.isNotNull(bug);

    TypeDeclaration type = getTypeDeclaration(workingUnit, bug.getPrimaryClass());
    Modifier finalMod = workingUnit.getAST().newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD);

    ListRewrite modRewrite = rewrite.getListRewrite(type, TypeDeclaration.MODIFIERS2_PROPERTY);
    modRewrite.insertLast(finalMod, null);
}
 

@Override
protected void repairBug(ASTRewrite rewrite, CompilationUnit workingUnit, BugInstance bug) throws BugResolutionException {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(workingUnit);
    Assert.isNotNull(bug);

    TypeDeclaration type = getTypeDeclaration(workingUnit, bug.getPrimaryClass());
    FieldDeclaration field = getFieldDeclaration(type, bug.getPrimaryField());

    Modifier finalModifier = workingUnit.getAST().newModifier(getModifierToAdd());

    ListRewrite modRewrite = rewrite.getListRewrite(field, FieldDeclaration.MODIFIERS2_PROPERTY);
    modRewrite.insertLast(finalModifier, null);
}
 

private void addParameterToMovedMethod(MethodDeclaration newMethodDeclaration, IVariableBinding variableBinding, ASTRewrite targetRewriter) {
	AST ast = newMethodDeclaration.getAST();
	SingleVariableDeclaration parameter = ast.newSingleVariableDeclaration();
	ITypeBinding typeBinding = variableBinding.getType();
	Type fieldType = RefactoringUtility.generateTypeFromTypeBinding(typeBinding, ast, targetRewriter);
	targetRewriter.set(parameter, SingleVariableDeclaration.TYPE_PROPERTY, fieldType, null);
	targetRewriter.set(parameter, SingleVariableDeclaration.NAME_PROPERTY, ast.newSimpleName(variableBinding.getName()), null);
	ListRewrite parametersRewrite = targetRewriter.getListRewrite(newMethodDeclaration, MethodDeclaration.PARAMETERS_PROPERTY);
	parametersRewrite.insertLast(parameter, null);
	this.additionalArgumentsAddedToMovedMethod.add(variableBinding.getName());
	this.additionalTypeBindingsToBeImportedInTargetClass.add(variableBinding.getType());
	addParamTagElementToJavadoc(newMethodDeclaration, targetRewriter, variableBinding.getName());
}
 

private void insertAt(ASTNode target, Statement declaration) {
	ASTRewrite rewrite= fCURewrite.getASTRewrite();
	TextEditGroup groupDescription= fCURewrite.createGroupDescription(RefactoringCoreMessages.ExtractTempRefactoring_declare_local_variable);

	ASTNode parent= target.getParent();
	StructuralPropertyDescriptor locationInParent= target.getLocationInParent();
	while (locationInParent != Block.STATEMENTS_PROPERTY && locationInParent != SwitchStatement.STATEMENTS_PROPERTY) {
		if (locationInParent == IfStatement.THEN_STATEMENT_PROPERTY
				|| locationInParent == IfStatement.ELSE_STATEMENT_PROPERTY
				|| locationInParent == ForStatement.BODY_PROPERTY
				|| locationInParent == EnhancedForStatement.BODY_PROPERTY
				|| locationInParent == DoStatement.BODY_PROPERTY
				|| locationInParent == WhileStatement.BODY_PROPERTY) {
			// create intermediate block if target was the body property of a control statement:
			Block replacement= rewrite.getAST().newBlock();
			ListRewrite replacementRewrite= rewrite.getListRewrite(replacement, Block.STATEMENTS_PROPERTY);
			replacementRewrite.insertFirst(declaration, null);
			replacementRewrite.insertLast(rewrite.createMoveTarget(target), null);
			rewrite.replace(target, replacement, groupDescription);
			return;
		}
		target= parent;
		parent= parent.getParent();
		locationInParent= target.getLocationInParent();
	}
	ListRewrite listRewrite= rewrite.getListRewrite(parent, (ChildListPropertyDescriptor)locationInParent);
	listRewrite.insertBefore(declaration, target, groupDescription);
}
 

protected void updateMethodParams(ASTRewrite rewrite, Set<String> variables, List<?> params) {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(variables);
    Assert.isNotNull(params);

    for (Object paramObj : params) {
        SingleVariableDeclaration param = (SingleVariableDeclaration) paramObj;
        if (variables.contains(param.getName().getFullyQualifiedName())) {
            ListRewrite listRewrite = rewrite.getListRewrite(param, SingleVariableDeclaration.MODIFIERS2_PROPERTY);
            listRewrite.insertLast(rewrite.getAST().newModifier(ModifierKeyword.FINAL_KEYWORD), null);
        }
    }
}
 

/**
 * Split the fragments in <code>statement</code> to multiple VariableDeclarationStatements whenever
 * <code>splitOperator.needsSplit</code> returns <code>true</code>.
 * i.e.:
 * int i, j; ---> int i; int j; (if splitOperator.needsSplit(i, j) == true)
 *
 * @param statement The VariableDeclarationStatement to split
 * @param splitOperator The operator to use to split
 * @param rewrite The rewriter to use to generate new VariableDeclarationStatements.
 */
private void splitVariableDeclarationStatement(VariableDeclarationStatement statement, ISplitOperation splitOperator, ASTRewrite rewrite) {

	List<VariableDeclarationFragment> fragments= statement.fragments();
	Iterator<VariableDeclarationFragment> iter= fragments.iterator();
	VariableDeclarationFragment lastFragment= iter.next();
	VariableDeclarationStatement lastStatement= statement;

	splitOperator.initializeStatement(lastStatement, lastFragment);

	ListRewrite fragmentsRewrite= null;
	while (iter.hasNext()) {
		VariableDeclarationFragment currentFragment= iter.next();

		if (splitOperator.needsSplit(lastFragment, currentFragment)) {

			VariableDeclarationStatement newStatement= getAst().newVariableDeclarationStatement((VariableDeclarationFragment)rewrite.createMoveTarget(currentFragment));

			ListRewrite modifierRewrite= rewrite.getListRewrite(newStatement, VariableDeclarationStatement.MODIFIERS2_PROPERTY);
			for (Iterator<IExtendedModifier> iterator= statement.modifiers().iterator(); iterator.hasNext();) {
				modifierRewrite.insertLast(rewrite.createCopyTarget((ASTNode)iterator.next()), null);
			}

			newStatement.setType((Type)rewrite.createCopyTarget(statement.getType()));

			splitOperator.initializeStatement(newStatement, currentFragment);

			fragmentsRewrite= rewrite.getListRewrite(newStatement, VariableDeclarationStatement.FRAGMENTS_PROPERTY);

			lastStatement= newStatement;
		} else if (fragmentsRewrite != null) {
			ASTNode fragment0= rewrite.createMoveTarget(currentFragment);
			fragmentsRewrite.insertLast(fragment0, null);
		}
		lastFragment= currentFragment;
	}
}
 

public MethodDeclaration createMethodDeclaration(IType clientBundle, ASTRewrite astRewrite,
    ImportRewrite importRewrite, boolean addComments) throws CoreException {
  AST ast = astRewrite.getAST();
  MethodDeclaration methodDecl = ast.newMethodDeclaration();

  // Method is named after the resource it accesses
  methodDecl.setName(ast.newSimpleName(getMethodName()));

  // Method return type is a ResourcePrototype subtype
  ITypeBinding resourceTypeBinding = JavaASTUtils.resolveType(clientBundle.getJavaProject(), getReturnTypeName());
  Type resourceType = importRewrite.addImport(resourceTypeBinding, ast);
  methodDecl.setReturnType2(resourceType);

  // Add @Source annotation if necessary
  String sourceAnnotationValue = getSourceAnnotationValue(clientBundle);
  if (sourceAnnotationValue != null) {
    // Build the annotation
    SingleMemberAnnotation sourceAnnotation = ast.newSingleMemberAnnotation();
    sourceAnnotation.setTypeName(ast.newName("Source"));
    StringLiteral annotationValue = ast.newStringLiteral();
    annotationValue.setLiteralValue(sourceAnnotationValue);
    sourceAnnotation.setValue(annotationValue);

    // Add the annotation to the method
    ChildListPropertyDescriptor modifiers = methodDecl.getModifiersProperty();
    ListRewrite modifiersRewriter = astRewrite.getListRewrite(methodDecl, modifiers);
    modifiersRewriter.insertFirst(sourceAnnotation, null);
  }

  return methodDecl;
}
 

private static boolean addSuppressArgument(ASTRewrite rewrite, Expression value, StringLiteral newStringLiteral) {
	if (value instanceof ArrayInitializer) {
		ListRewrite listRewrite= rewrite.getListRewrite(value, ArrayInitializer.EXPRESSIONS_PROPERTY);
		listRewrite.insertLast(newStringLiteral, null);
	} else if (value instanceof StringLiteral) {
		ArrayInitializer newArr= rewrite.getAST().newArrayInitializer();
		newArr.expressions().add(rewrite.createMoveTarget(value));
		newArr.expressions().add(newStringLiteral);
		rewrite.replace(value, newArr, null);
	} else {
		return false;
	}
	return true;
}
 

@SuppressWarnings("deprecation")
private static void createMissingDefaultProposal(IInvocationContext context, ASTNode parent, Collection<ChangeCorrectionProposal> proposals) {
	List<Statement> statements;
	Expression expression;
	if (parent instanceof SwitchStatement) {
		SwitchStatement switchStatement = (SwitchStatement) parent;
		statements = switchStatement.statements();
		expression = switchStatement.getExpression();
	} else if (parent instanceof SwitchExpression) {
		SwitchExpression switchExpression = (SwitchExpression) parent;
		statements = switchExpression.statements();
		expression = switchExpression.getExpression();
	} else {
		return;
	}
	AST ast = parent.getAST();
	ASTRewrite astRewrite = ASTRewrite.create(ast);
	ListRewrite listRewrite;
	if (parent instanceof SwitchStatement) {
		listRewrite = astRewrite.getListRewrite(parent, SwitchStatement.STATEMENTS_PROPERTY);
	} else {
		listRewrite = astRewrite.getListRewrite(parent, SwitchExpression.STATEMENTS_PROPERTY);
	}
	String label = CorrectionMessages.LocalCorrectionsSubProcessor_add_default_case_description;
	LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, CodeActionKind.QuickFix, context.getCompilationUnit(), astRewrite, IProposalRelevance.ADD_MISSING_DEFAULT_CASE);

	SwitchCase newSwitchCase = ast.newSwitchCase();
	listRewrite.insertLast(newSwitchCase, null);

	if (ASTHelper.isSwitchCaseExpressionsSupportedInAST(ast)) {
		if (statements.size() > 0) {
			Statement firstStatement = statements.get(0);
			SwitchCase switchCase = (SwitchCase) firstStatement;
			boolean isArrow = switchCase.isSwitchLabeledRule();
			newSwitchCase.setSwitchLabeledRule(isArrow);
			if (isArrow || parent instanceof SwitchExpression) {
				ThrowStatement newThrowStatement = getThrowForUnexpectedDefault(expression, ast, astRewrite);
				listRewrite.insertLast(newThrowStatement, null);
				proposal.addLinkedPosition(astRewrite.track(newThrowStatement), true, null);
			} else {
				listRewrite.insertLast(ast.newBreakStatement(), null);
			}
		} else {
			listRewrite.insertLast(ast.newBreakStatement(), null);
		}
	} else {
		newSwitchCase.setExpression(null);
		listRewrite.insertLast(ast.newBreakStatement(), null);
	}

	proposals.add(proposal);
}
 

public List<ResourceChange> createTopLevelParameterObject(IPackageFragmentRoot packageFragmentRoot, CreationListener listener) throws CoreException {
	List<ResourceChange> changes= new ArrayList<ResourceChange>();
	IPackageFragment packageFragment= packageFragmentRoot.getPackageFragment(getPackage());
	if (!packageFragment.exists()) {
		changes.add(new CreatePackageChange(packageFragment));
	}
	ICompilationUnit unit= packageFragment.getCompilationUnit(getClassName() + JavaModelUtil.DEFAULT_CU_SUFFIX);
	Assert.isTrue(!unit.exists());
	IJavaProject javaProject= unit.getJavaProject();
	ICompilationUnit workingCopy= unit.getWorkingCopy(null);

	try {
		// create stub with comments and dummy type
		String lineDelimiter= StubUtility.getLineDelimiterUsed(javaProject);
		String fileComment= getFileComment(workingCopy, lineDelimiter);
		String typeComment= getTypeComment(workingCopy, lineDelimiter);
		String content= CodeGeneration.getCompilationUnitContent(workingCopy, fileComment, typeComment, "class " + getClassName() + "{}", lineDelimiter); //$NON-NLS-1$ //$NON-NLS-2$
		workingCopy.getBuffer().setContents(content);

		CompilationUnitRewrite cuRewrite= new CompilationUnitRewrite(workingCopy);
		ASTRewrite rewriter= cuRewrite.getASTRewrite();
		CompilationUnit root= cuRewrite.getRoot();
		AST ast= cuRewrite.getAST();
		ImportRewrite importRewrite= cuRewrite.getImportRewrite();

		// retrieve&replace dummy type with real class
		ListRewrite types= rewriter.getListRewrite(root, CompilationUnit.TYPES_PROPERTY);
		ASTNode dummyType= (ASTNode) types.getOriginalList().get(0);
		String newTypeName= JavaModelUtil.concatenateName(getPackage(), getClassName());
		TypeDeclaration classDeclaration= createClassDeclaration(newTypeName, cuRewrite, listener);
		classDeclaration.modifiers().add(ast.newModifier(ModifierKeyword.PUBLIC_KEYWORD));
		Javadoc javadoc= (Javadoc) dummyType.getStructuralProperty(TypeDeclaration.JAVADOC_PROPERTY);
		rewriter.set(classDeclaration, TypeDeclaration.JAVADOC_PROPERTY, javadoc, null);
		types.replace(dummyType, classDeclaration, null);

		// Apply rewrites and discard workingcopy
		// Using CompilationUnitRewrite.createChange() leads to strange
		// results
		String charset= ResourceUtil.getFile(unit).getCharset(false);
		Document document= new Document(content);
		try {
			rewriter.rewriteAST().apply(document);
			TextEdit rewriteImports= importRewrite.rewriteImports(null);
			rewriteImports.apply(document);
		} catch (BadLocationException e) {
			throw new CoreException(new Status(IStatus.ERROR, JavaPlugin.getPluginId(), RefactoringCoreMessages.IntroduceParameterObjectRefactoring_parameter_object_creation_error, e));
		}
		String docContent= document.get();
		CreateCompilationUnitChange compilationUnitChange= new CreateCompilationUnitChange(unit, docContent, charset);
		changes.add(compilationUnitChange);
	} finally {
		workingCopy.discardWorkingCopy();
	}
	return changes;
}
 

protected void generateGettersForAccessedFields() {
	AST contextAST = sourceTypeDeclaration.getAST();
	Set<VariableDeclarationFragment> accessedFields = new LinkedHashSet<VariableDeclarationFragment>();
	accessedFields.addAll(typeCheckElimination.getAccessedFields());
	accessedFields.addAll(typeCheckElimination.getSuperAccessedFields());
	for(VariableDeclarationFragment fragment : accessedFields) {
		if((fragment.resolveBinding().getModifiers() & Modifier.STATIC) == 0) {
			IMethodBinding getterMethodBinding = null;
			if(typeCheckElimination.getSuperAccessedFields().contains(fragment)) {
				for(IVariableBinding fieldBinding : typeCheckElimination.getSuperAccessedFieldBindings()) {
					if(fieldBinding.isEqualTo(fragment.resolveBinding())) {
						getterMethodBinding = typeCheckElimination.getGetterMethodBindingOfSuperAccessedField(fieldBinding);
						break;
					}
				}
			}
			else {
				getterMethodBinding = findGetterMethodInContext(fragment.resolveBinding());
			}
			if(getterMethodBinding == null) {
				FieldDeclaration fieldDeclaration = (FieldDeclaration)fragment.getParent();
				int modifiers = fieldDeclaration.getModifiers();
				if(!fragment.equals(typeCheckElimination.getTypeField()) &&
						!((modifiers & Modifier.PUBLIC) != 0 && (modifiers & Modifier.STATIC) != 0)) {
					ASTRewrite sourceRewriter = ASTRewrite.create(sourceTypeDeclaration.getAST());
					MethodDeclaration newMethodDeclaration = contextAST.newMethodDeclaration();
					sourceRewriter.set(newMethodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, fieldDeclaration.getType(), null);
					ListRewrite methodDeclarationModifiersRewrite = sourceRewriter.getListRewrite(newMethodDeclaration, MethodDeclaration.MODIFIERS2_PROPERTY);
					methodDeclarationModifiersRewrite.insertLast(contextAST.newModifier(Modifier.ModifierKeyword.PUBLIC_KEYWORD), null);
					String methodName = fragment.getName().getIdentifier();
					methodName = "get" + methodName.substring(0,1).toUpperCase() + methodName.substring(1,methodName.length());
					sourceRewriter.set(newMethodDeclaration, MethodDeclaration.NAME_PROPERTY, contextAST.newSimpleName(methodName), null);
					Block methodDeclarationBody = contextAST.newBlock();
					ListRewrite methodDeclarationBodyStatementsRewrite = sourceRewriter.getListRewrite(methodDeclarationBody, Block.STATEMENTS_PROPERTY);
					ReturnStatement returnStatement = contextAST.newReturnStatement();
					sourceRewriter.set(returnStatement, ReturnStatement.EXPRESSION_PROPERTY, fragment.getName(), null);
					methodDeclarationBodyStatementsRewrite.insertLast(returnStatement, null);
					sourceRewriter.set(newMethodDeclaration, MethodDeclaration.BODY_PROPERTY, methodDeclarationBody, null);
					ListRewrite contextBodyRewrite = sourceRewriter.getListRewrite(sourceTypeDeclaration, TypeDeclaration.BODY_DECLARATIONS_PROPERTY);
					contextBodyRewrite.insertLast(newMethodDeclaration, null);
					try {
						TextEdit sourceEdit = sourceRewriter.rewriteAST();
						ICompilationUnit sourceICompilationUnit = (ICompilationUnit)sourceCompilationUnit.getJavaElement();
						CompilationUnitChange change = compilationUnitChanges.get(sourceICompilationUnit);
						change.getEdit().addChild(sourceEdit);
						change.addTextEditGroup(new TextEditGroup("Create getter method for accessed field", new TextEdit[] {sourceEdit}));
					} catch (JavaModelException e) {
						e.printStackTrace();
					}
				}
			}
		}
	}
}