org.eclipse.jdt.core.dom.ClassInstanceCreation Java Examples

@Override
public boolean visit(ClassInstanceCreation node) {
	if (inFrame) {
		List arguments = node.arguments();
		if (arguments.size() > 0) {
			for (int i = 0; i < arguments.size(); i++) {
				Expression exp = (Expression) arguments.get(i);
				if (exp instanceof SimpleName) {
					AbstractDebugVariableCodeMining<IJavaStackFrame> m = new JavaDebugElementCodeMining(
							(SimpleName) exp, fFrame, viewer, provider);
					minings.add(m);
				}
			}
		}
	}
	return super.visit(node);
}
 

private void updateLabel() {
	IMethodBinding calledMethodBinding = ((node instanceof MethodInvocation)
			? ((MethodInvocation) node).resolveMethodBinding()
			: ((ClassInstanceCreation) node).resolveConstructorBinding());
	try {
		IMethod method = getMethod(calledMethodBinding);
		if (method == null || !acceptMethod(method)) {
			super.setLabel("");
		} else {
			String label = calledMethodBinding != null
					? getParameterLabel(method, calledMethodBinding.getDeclaringClass())
					: null;
			super.setLabel(label != null ? label : "");
		}
	} catch (JavaModelException e) {
		super.setLabel("");
	}
}
 

@Override
public boolean visit(ClassInstanceCreation node) {
	/*
	 * if (Utils.isGeneratedByLombok(node)) { return super.visit(node); }
	 */
	if (showParameterName || showParameterType) {
		List arguments = node.arguments();
		if (arguments.size() > 0 && acceptMethod(node)) {
			for (int i = 0; i < arguments.size(); i++) {
				Expression exp = (Expression) arguments.get(i);
				if (showParameterOnlyForLiteral && !isLiteral(exp)) {
					continue;
				}
				minings.add(new JavaMethodParameterCodeMining(node, exp, i, cu, provider, showParameterName,
						showParameterType, showParameterByUsingFilters));
			}
		}
	}
	return super.visit(node);
}
 

private boolean duplicatedSliceNodeWithClassInstantiationHasDependenceOnRemovableNode() {
	Set<PDGNode> duplicatedNodes = new LinkedHashSet<PDGNode>();
	duplicatedNodes.addAll(sliceNodes);
	duplicatedNodes.retainAll(indispensableNodes);
	for(PDGNode duplicatedNode : duplicatedNodes) {
		if(duplicatedNode.containsClassInstanceCreation()) {
			Map<VariableDeclaration, ClassInstanceCreation> classInstantiations = duplicatedNode.getClassInstantiations();
			for(VariableDeclaration variableDeclaration : classInstantiations.keySet()) {
				for(GraphEdge edge : duplicatedNode.outgoingEdges) {
					PDGDependence dependence = (PDGDependence)edge;
					if(subgraph.edgeBelongsToBlockBasedRegion(dependence) && dependence instanceof PDGDependence) {
						PDGDependence dataDependence = (PDGDependence)dependence;
						PDGNode dstPDGNode = (PDGNode)dataDependence.dst;
						if(removableNodes.contains(dstPDGNode)) {
							if(dstPDGNode.changesStateOfReference(variableDeclaration) ||
									dstPDGNode.assignsReference(variableDeclaration) || dstPDGNode.accessesReference(variableDeclaration))
								return true;
						}
					}
				}
			}
		}
	}
	return false;
}
 

private IMethodBinding getSuperConstructorBinding() {
    //workaround for missing java core functionality - finding a
    // super constructor for an anonymous class creation
    IMethodBinding anonConstr= ((ClassInstanceCreation) fAnonymousInnerClassNode.getParent()).resolveConstructorBinding();
    if (anonConstr == null)
        return null;
    ITypeBinding superClass= anonConstr.getDeclaringClass().getSuperclass();
    IMethodBinding[] superMethods= superClass.getDeclaredMethods();
    for (int i= 0; i < superMethods.length; i++) {
        IMethodBinding superMethod= superMethods[i];
        if (superMethod.isConstructor() && parameterTypesMatch(superMethod, anonConstr))
            return superMethod;
    }
    Assert.isTrue(false);//there's no way - it must be there
    return null;
}
 

private ASTNode createNewClassInstanceCreation(CompilationUnitRewrite rewrite, ITypeBinding[] parameters) {
	AST ast= fAnonymousInnerClassNode.getAST();
	ClassInstanceCreation newClassCreation= ast.newClassInstanceCreation();
	newClassCreation.setAnonymousClassDeclaration(null);
	Type type= null;
	SimpleName newNameNode= ast.newSimpleName(fClassName);
	if (parameters.length > 0) {
		final ParameterizedType parameterized= ast.newParameterizedType(ast.newSimpleType(newNameNode));
		for (int index= 0; index < parameters.length; index++)
			parameterized.typeArguments().add(ast.newSimpleType(ast.newSimpleName(parameters[index].getName())));
		type= parameterized;
	} else
		type= ast.newSimpleType(newNameNode);
	newClassCreation.setType(type);
	copyArguments(rewrite, newClassCreation);
	addArgumentsForLocalsUsedInInnerClass(newClassCreation);

	addLinkedPosition(KEY_TYPE_NAME, newNameNode, rewrite.getASTRewrite(), true);

	return newClassCreation;
}
 

protected String getFullTypeName() {
	ASTNode node= getNode();
	while (true) {
		node= node.getParent();
		if (node instanceof AbstractTypeDeclaration) {
			String typeName= ((AbstractTypeDeclaration) node).getName().getIdentifier();
			if (getNode() instanceof LambdaExpression) {
				return Messages.format(RefactoringCoreMessages.ChangeSignatureRefactoring_lambda_expression, typeName);
			}
			return typeName;
		} else if (node instanceof ClassInstanceCreation) {
			ClassInstanceCreation cic= (ClassInstanceCreation) node;
			return Messages.format(RefactoringCoreMessages.ChangeSignatureRefactoring_anonymous_subclass, BasicElementLabels.getJavaElementName(ASTNodes.asString(cic.getType())));
		} else if (node instanceof EnumConstantDeclaration) {
			EnumDeclaration ed= (EnumDeclaration) node.getParent();
			return Messages.format(RefactoringCoreMessages.ChangeSignatureRefactoring_anonymous_subclass, BasicElementLabels.getJavaElementName(ASTNodes.asString(ed.getName())));
		}
	}
}
 

private boolean duplicatedSliceNodeWithClassInstantiationHasDependenceOnRemovableNode() {
	Set<PDGNode> duplicatedNodes = new LinkedHashSet<PDGNode>();
	duplicatedNodes.addAll(sliceNodes);
	duplicatedNodes.retainAll(indispensableNodes);
	for(PDGNode duplicatedNode : duplicatedNodes) {
		if(duplicatedNode.containsClassInstanceCreation()) {
			Map<VariableDeclaration, ClassInstanceCreation> classInstantiations = duplicatedNode.getClassInstantiations();
			for(VariableDeclaration variableDeclaration : classInstantiations.keySet()) {
				for(GraphEdge edge : duplicatedNode.outgoingEdges) {
					PDGDependence dependence = (PDGDependence)edge;
					if(subgraph.edgeBelongsToBlockBasedRegion(dependence) && dependence instanceof PDGDependence) {
						PDGDependence dataDependence = (PDGDependence)dependence;
						PDGNode dstPDGNode = (PDGNode)dataDependence.dst;
						if(removableNodes.contains(dstPDGNode)) {
							if(dstPDGNode.changesStateOfReference(variableDeclaration) ||
									dstPDGNode.assignsReference(variableDeclaration) || dstPDGNode.accessesReference(variableDeclaration))
								return true;
						}
					}
				}
			}
		}
	}
	return false;
}
 

private MethodDeclaration createRunMethodDeclaration(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
    AST ast = rewrite.getAST();

    MethodDeclaration methodDeclaration = ast.newMethodDeclaration();
    SimpleName methodName = ast.newSimpleName("run");
    Type returnType = (Type) rewrite.createCopyTarget(classLoaderCreation.getType());
    Block methodBody = createRunMethodBody(rewrite, classLoaderCreation);
    List<Modifier> modifiers = checkedList(methodDeclaration.modifiers());

    modifiers.add(ast.newModifier(PUBLIC_KEYWORD));
    methodDeclaration.setName(methodName);
    methodDeclaration.setReturnType2(returnType);
    methodDeclaration.setBody(methodBody);

    return methodDeclaration;
}
 

protected MethodInvocation createValueOfInvocation(ASTRewrite rewrite, CompilationUnit compilationUnit,
        ClassInstanceCreation primitiveTypeCreation) {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(primitiveTypeCreation);

    final AST ast = rewrite.getAST();
    MethodInvocation valueOfInvocation = ast.newMethodInvocation();
    valueOfInvocation.setName(ast.newSimpleName(VALUE_OF_METHOD_NAME));

    ITypeBinding binding = primitiveTypeCreation.getType().resolveBinding();
    if (isStaticImport()) {
        addStaticImports(rewrite, compilationUnit, binding.getQualifiedName() + "." + VALUE_OF_METHOD_NAME);
    } else {
        valueOfInvocation.setExpression(ast.newSimpleName(binding.getName()));
    }

    List<?> arguments = primitiveTypeCreation.arguments();
    List<Expression> newArguments = valueOfInvocation.arguments();
    for (Object argument : arguments) {
        Expression expression = (Expression) rewrite.createCopyTarget((ASTNode) argument);
        newArguments.add(expression);
    }

    return valueOfInvocation;
}
 

public static ITypeBinding[] getInferredTypeArguments(Expression invocation) {
	IMethodBinding methodBinding;
	switch (invocation.getNodeType()) {
		case ASTNode.METHOD_INVOCATION:
			methodBinding= ((MethodInvocation) invocation).resolveMethodBinding();
			return methodBinding == null ? null : methodBinding.getTypeArguments();
		case ASTNode.SUPER_METHOD_INVOCATION:
			methodBinding= ((SuperMethodInvocation) invocation).resolveMethodBinding();
			return methodBinding == null ? null : methodBinding.getTypeArguments();
		case ASTNode.CLASS_INSTANCE_CREATION:
			Type type= ((ClassInstanceCreation) invocation).getType();
			ITypeBinding typeBinding= type.resolveBinding();
			return typeBinding == null ? null : typeBinding.getTypeArguments();
			
		default:
			throw new IllegalArgumentException(invocation.toString());
	}
}
 

public static ChildListPropertyDescriptor getArgumentsProperty(ASTNode invocation) {
	switch (invocation.getNodeType()) {
		case ASTNode.METHOD_INVOCATION:
			return MethodInvocation.ARGUMENTS_PROPERTY;
		case ASTNode.SUPER_METHOD_INVOCATION:
			return SuperMethodInvocation.ARGUMENTS_PROPERTY;
			
		case ASTNode.CONSTRUCTOR_INVOCATION:
			return ConstructorInvocation.ARGUMENTS_PROPERTY;
		case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
			return SuperConstructorInvocation.ARGUMENTS_PROPERTY;
			
		case ASTNode.CLASS_INSTANCE_CREATION:
			return ClassInstanceCreation.ARGUMENTS_PROPERTY;
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			return EnumConstantDeclaration.ARGUMENTS_PROPERTY;
			
		default:
			throw new IllegalArgumentException(invocation.toString());
	}
}
 

/**
 * handles new Class()
 */
@SuppressWarnings("unchecked")
@Override
public boolean visit(ClassInstanceCreation node) {
	IMethodBinding binding = node.resolveConstructorBinding();
	if (binding != null) {
		Invocation invocation = importer.createInvocationFromMethodBinding(binding, node.toString().trim());
		importer.createLightweightSourceAnchor(invocation, node.getType());
	} else {
		String name = node.getType().toString();
		importer.ensureBasicMethod(name, name, importer.ensureTypeNamedInUnknownNamespace(name),
				m -> importer.createInvocationToMethod(m, node.toString().trim()));
	}

	node.arguments().stream().forEach(arg -> importer.createAccessFromExpression((Expression) arg));
	return true;
}
 

@Override
public boolean visit(final ClassInstanceCreation node) {
	Assert.isNotNull(node);
	if (fCreateInstanceField) {
		final AST ast= node.getAST();
		final Type type= node.getType();
		final ITypeBinding binding= type.resolveBinding();
		if (binding != null && binding.getDeclaringClass() != null && !Bindings.equals(binding, fTypeBinding) && fSourceRewrite.getRoot().findDeclaringNode(binding) != null) {
			if (!Modifier.isStatic(binding.getModifiers())) {
				Expression expression= null;
				if (fCodeGenerationSettings.useKeywordThis || fEnclosingInstanceFieldName.equals(fNameForEnclosingInstanceConstructorParameter)) {
					final FieldAccess access= ast.newFieldAccess();
					access.setExpression(ast.newThisExpression());
					access.setName(ast.newSimpleName(fEnclosingInstanceFieldName));
					expression= access;
				} else
					expression= ast.newSimpleName(fEnclosingInstanceFieldName);
				if (node.getExpression() != null)
					fSourceRewrite.getImportRemover().registerRemovedNode(node.getExpression());
				fSourceRewrite.getASTRewrite().set(node, ClassInstanceCreation.EXPRESSION_PROPERTY, expression, fGroup);
			} else
				addTypeQualification(type, fSourceRewrite, fGroup);
		}
	}
	return true;
}
 

@Override
protected Expression createMemberAccessExpression(Object member, boolean ignoreArraysCollections, boolean ignoreNulls) {
	ITypeBinding type= getMemberType(member);
	if (!getContext().is50orHigher() && type.isPrimitive()) {
		String nonPrimitiveType= null;
		String typeName= type.getName();
		if (typeName.equals("byte"))nonPrimitiveType= "java.lang.Byte"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("short"))nonPrimitiveType= "java.lang.Short"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("char"))nonPrimitiveType= "java.lang.Character"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("int"))nonPrimitiveType= "java.lang.Integer"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("long"))nonPrimitiveType= "java.lang.Long"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("float"))nonPrimitiveType= "java.lang.Float"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("double"))nonPrimitiveType= "java.lang.Double"; //$NON-NLS-1$ //$NON-NLS-2$
		if (typeName.equals("boolean"))nonPrimitiveType= "java.lang.Boolean"; //$NON-NLS-1$ //$NON-NLS-2$
		ClassInstanceCreation classInstance= fAst.newClassInstanceCreation();
		classInstance.setType(fAst.newSimpleType(addImport(nonPrimitiveType)));
		classInstance.arguments().add(super.createMemberAccessExpression(member, true, true));
		return classInstance;
	}
	return super.createMemberAccessExpression(member, ignoreArraysCollections, ignoreNulls);
}
 

private boolean duplicatedSliceNodeWithClassInstantiationHasDependenceOnRemovableNode() {
	Set<PDGNode> duplicatedNodes = new LinkedHashSet<PDGNode>();
	duplicatedNodes.addAll(sliceNodes);
	duplicatedNodes.retainAll(indispensableNodes);
	for(PDGNode duplicatedNode : duplicatedNodes) {
		if(duplicatedNode.containsClassInstanceCreation()) {
			Map<VariableDeclaration, ClassInstanceCreation> classInstantiations = duplicatedNode.getClassInstantiations();
			for(VariableDeclaration variableDeclaration : classInstantiations.keySet()) {
				for(GraphEdge edge : duplicatedNode.outgoingEdges) {
					PDGDependence dependence = (PDGDependence)edge;
					if(edges.contains(dependence) && dependence instanceof PDGDependence) {
						PDGDependence dataDependence = (PDGDependence)dependence;
						PDGNode dstPDGNode = (PDGNode)dataDependence.dst;
						if(removableNodes.contains(dstPDGNode)) {
							if(dstPDGNode.changesStateOfReference(variableDeclaration) ||
									dstPDGNode.assignsReference(variableDeclaration) || dstPDGNode.accessesReference(variableDeclaration))
								return true;
						}
					}
				}
			}
		}
	}
	return false;
}
 

public boolean match(ClassInstanceCreation node) {
	initializeIfNeeded();
	for (MethodFilter methodFilter : filters) {
		if (methodFilter.match(node)) {
			return true;
		}
	}
	return false;
}
 

private static Expression getBooleanExpression(ASTNode node) {
	if (!(node instanceof Expression)) {
		return null;
	}

	// check if the node is a location where it can be negated
	StructuralPropertyDescriptor locationInParent= node.getLocationInParent();
	if (locationInParent == QualifiedName.NAME_PROPERTY) {
		node= node.getParent();
		locationInParent= node.getLocationInParent();
	}
	while (locationInParent == ParenthesizedExpression.EXPRESSION_PROPERTY) {
		node= node.getParent();
		locationInParent= node.getLocationInParent();
	}
	Expression expression= (Expression) node;
	if (!isBoolean(expression)) {
		return null;
	}
	if (expression.getParent() instanceof InfixExpression) {
		return expression;
	}
	if (locationInParent == Assignment.RIGHT_HAND_SIDE_PROPERTY || locationInParent == IfStatement.EXPRESSION_PROPERTY
			|| locationInParent == WhileStatement.EXPRESSION_PROPERTY || locationInParent == DoStatement.EXPRESSION_PROPERTY
			|| locationInParent == ReturnStatement.EXPRESSION_PROPERTY || locationInParent == ForStatement.EXPRESSION_PROPERTY
			|| locationInParent == AssertStatement.EXPRESSION_PROPERTY || locationInParent == MethodInvocation.ARGUMENTS_PROPERTY
			|| locationInParent == ConstructorInvocation.ARGUMENTS_PROPERTY || locationInParent == SuperMethodInvocation.ARGUMENTS_PROPERTY
			|| locationInParent == EnumConstantDeclaration.ARGUMENTS_PROPERTY || locationInParent == SuperConstructorInvocation.ARGUMENTS_PROPERTY
			|| locationInParent == ClassInstanceCreation.ARGUMENTS_PROPERTY || locationInParent == ConditionalExpression.EXPRESSION_PROPERTY
			|| locationInParent == PrefixExpression.OPERAND_PROPERTY) {
		return expression;
	}
	return null;
}
 

protected void processThrowStatement(ThrowStatement throwStatement) {
	Expression expression = throwStatement.getExpression();
	if(expression instanceof ClassInstanceCreation) {
		ClassInstanceCreation creation = (ClassInstanceCreation)expression;
		ITypeBinding typeBinding = creation.getType().resolveBinding();
		addExceptionInThrowStatement(typeBinding.getQualifiedName());
	}
}
 

protected void processArgumentsOfInternalClassInstanceCreation(ClassInstanceCreationObject classInstanceCreationObject, AbstractVariable variable) {
	SystemObject systemObject = ASTReader.getSystemObject();
	ClassInstanceCreation classInstanceCreation = classInstanceCreationObject.getClassInstanceCreation();
	IMethodBinding methodBinding = classInstanceCreation.resolveConstructorBinding();
	ClassObject classObject = systemObject.getClassObject(classInstanceCreationObject.getType().getClassType());
	ConstructorObject constructorObject = null;
	if(classObject != null) {
		constructorObject = classObject.getConstructor(classInstanceCreationObject);
	}
	if((classObject == null && !methodBinding.getDeclaringClass().isAnonymous() && !methodBinding.getDeclaringClass().isLocal()) || constructorObject != null) {
		//classObject == null && !methodBinding.getDeclaringClass().isAnonymous() => external constructor call that is not an anonymous class declaration
		//constructorObject != null => the internal constructor might not exist, in the case the default constructor is called
		methodCallAnalyzer.processArgumentsOfInternalMethodInvocation(classObject, constructorObject, classInstanceCreation.arguments(), methodBinding, variable);
	}
}
 

public Block createBody(AST ast, TypeDeclaration originalType) {
    ClassInstanceCreation newClassInstanceCreation = ast.newClassInstanceCreation();
    newClassInstanceCreation.setType(ast.newSimpleType(ast.newName(originalType.getName().toString())));
    newClassInstanceCreation.arguments().add(ast.newThisExpression());

    ReturnStatement statement = ast.newReturnStatement();
    statement.setExpression(newClassInstanceCreation);

    Block block = ast.newBlock();
    block.statements().add(statement);
    return block;
}
 

private static ASTNode[] getNodesToDelete(IJavaElement element, CompilationUnit cuNode) throws JavaModelException {
	// fields are different because you don't delete the whole declaration but only a fragment of it
	if (element.getElementType() == IJavaElement.FIELD) {
		if (JdtFlags.isEnum((IField) element))
			return new ASTNode[] { ASTNodeSearchUtil.getEnumConstantDeclaration((IField) element, cuNode)};
		else
			return new ASTNode[] { ASTNodeSearchUtil.getFieldDeclarationFragmentNode((IField) element, cuNode)};
	}
	if (element.getElementType() == IJavaElement.TYPE && ((IType) element).isLocal()) {
		IType type= (IType) element;
		if (type.isAnonymous()) {
			if (type.getParent().getElementType() == IJavaElement.FIELD) {
				EnumConstantDeclaration enumDecl= ASTNodeSearchUtil.getEnumConstantDeclaration((IField) element.getParent(), cuNode);
				if (enumDecl != null && enumDecl.getAnonymousClassDeclaration() != null)  {
					return new ASTNode[] { enumDecl.getAnonymousClassDeclaration() };
				}
			}
			ClassInstanceCreation creation= ASTNodeSearchUtil.getClassInstanceCreationNode(type, cuNode);
			if (creation != null) {
				if (creation.getLocationInParent() == ExpressionStatement.EXPRESSION_PROPERTY) {
					return new ASTNode[] { creation.getParent() };
				} else if (creation.getLocationInParent() == VariableDeclarationFragment.INITIALIZER_PROPERTY) {
					return new ASTNode[] { creation};
				}
				return new ASTNode[] { creation.getAnonymousClassDeclaration() };
			}
			return new ASTNode[0];
		} else {
			ASTNode[] nodes= ASTNodeSearchUtil.getDeclarationNodes(element, cuNode);
			// we have to delete the TypeDeclarationStatement
			nodes[0]= nodes[0].getParent();
			return nodes;
		}
	}
	return ASTNodeSearchUtil.getDeclarationNodes(element, cuNode);
}
 

@Override
public boolean visit(ClassInstanceCreation node) {
	if (matches(node.resolveConstructorBinding()) && fCurrent != null) {
		fCurrent.addInvocation(node);
	}
	return true;
}
 

public Block createReturnBlock(AST ast, TypeDeclaration builderType) {
    Block builderMethodBlock = ast.newBlock();
    ReturnStatement returnStatement = ast.newReturnStatement();
    ClassInstanceCreation newClassInstanceCreation = ast.newClassInstanceCreation();
    newClassInstanceCreation.setType(ast.newSimpleType(ast.newName(builderType.getName().toString())));
    returnStatement.setExpression(newClassInstanceCreation);
    builderMethodBlock.statements().add(returnStatement);
    return builderMethodBlock;
}
 

/**
 * Returns whether an expression at the given location needs explicit boxing.
 * 
 * @param expression the expression
 * @return <code>true</code> iff an expression at the given location needs explicit boxing
 * @since 3.6
 */
private static boolean needsExplicitBoxing(Expression expression) {
	StructuralPropertyDescriptor locationInParent= expression.getLocationInParent();
	if (locationInParent == ParenthesizedExpression.EXPRESSION_PROPERTY)
		return needsExplicitBoxing((ParenthesizedExpression) expression.getParent());
	
	if (locationInParent == ClassInstanceCreation.EXPRESSION_PROPERTY
			|| locationInParent == FieldAccess.EXPRESSION_PROPERTY
			|| locationInParent == MethodInvocation.EXPRESSION_PROPERTY)
		return true;
	
	return false;
}
 

@Override
public void endVisit(ClassInstanceCreation node) {
	if (skipNode(node)) {
		return;
	}
	GenericSequentialFlowInfo info = processSequential(node, node.getExpression());
	process(info, node.getType());
	process(info, node.arguments());
	process(info, node.getAnonymousClassDeclaration());
}
 

private RefactoringStatus checkTempTypeForLocalTypeUsage() throws JavaModelException {
	Expression expression = getSelectedExpression().getAssociatedExpression();
	Type resultingType = null;
	ITypeBinding typeBinding = expression.resolveTypeBinding();
	AST ast = fCURewrite.getAST();

	if (expression instanceof ClassInstanceCreation && (typeBinding == null || typeBinding.getTypeArguments().length == 0)) {
		resultingType = ((ClassInstanceCreation) expression).getType();
	} else if (expression instanceof CastExpression) {
		resultingType = ((CastExpression) expression).getType();
	} else {
		if (typeBinding == null) {
			typeBinding = ASTResolving.guessBindingForReference(expression);
		}
		if (typeBinding != null) {
			typeBinding = Bindings.normalizeForDeclarationUse(typeBinding, ast);
			ImportRewrite importRewrite = fCURewrite.getImportRewrite();
			ImportRewriteContext context = new ContextSensitiveImportRewriteContext(expression, importRewrite);
			resultingType = importRewrite.addImport(typeBinding, ast, context, TypeLocation.LOCAL_VARIABLE);
		} else {
			resultingType = ast.newSimpleType(ast.newSimpleName("Object")); //$NON-NLS-1$
		}
	}

	IMethodBinding declaringMethodBinding = getMethodDeclaration().resolveBinding();
	ITypeBinding[] methodTypeParameters = declaringMethodBinding == null ? new ITypeBinding[0] : declaringMethodBinding.getTypeParameters();
	LocalTypeAndVariableUsageAnalyzer analyzer = new LocalTypeAndVariableUsageAnalyzer(methodTypeParameters);
	resultingType.accept(analyzer);
	boolean usesLocalTypes = !analyzer.getUsageOfEnclosingNodes().isEmpty();
	if (usesLocalTypes) {
		return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractFieldRefactoring_uses_type_declared_locally);
	}
	return null;
}
 

private static ASTNode[] getNodesToDelete(IJavaElement element, CompilationUnit cuNode) throws JavaModelException {
	// fields are different because you don't delete the whole declaration but only a fragment of it
	if (element.getElementType() == IJavaElement.FIELD) {
		if (JdtFlags.isEnum((IField) element)) {
			return new ASTNode[] { ASTNodeSearchUtil.getEnumConstantDeclaration((IField) element, cuNode)};
		} else {
			return new ASTNode[] { ASTNodeSearchUtil.getFieldDeclarationFragmentNode((IField) element, cuNode)};
		}
	}
	if (element.getElementType() == IJavaElement.TYPE && ((IType) element).isLocal()) {
		IType type= (IType) element;
		if (type.isAnonymous()) {
			if (type.getParent().getElementType() == IJavaElement.FIELD) {
				EnumConstantDeclaration enumDecl= ASTNodeSearchUtil.getEnumConstantDeclaration((IField) element.getParent(), cuNode);
				if (enumDecl != null && enumDecl.getAnonymousClassDeclaration() != null)  {
					return new ASTNode[] { enumDecl.getAnonymousClassDeclaration() };
				}
			}
			ClassInstanceCreation creation= ASTNodeSearchUtil.getClassInstanceCreationNode(type, cuNode);
			if (creation != null) {
				if (creation.getLocationInParent() == ExpressionStatement.EXPRESSION_PROPERTY) {
					return new ASTNode[] { creation.getParent() };
				} else if (creation.getLocationInParent() == VariableDeclarationFragment.INITIALIZER_PROPERTY) {
					return new ASTNode[] { creation};
				}
				return new ASTNode[] { creation.getAnonymousClassDeclaration() };
			}
			return new ASTNode[0];
		} else {
			ASTNode[] nodes= ASTNodeSearchUtil.getDeclarationNodes(element, cuNode);
			// we have to delete the TypeDeclarationStatement
			nodes[0]= nodes[0].getParent();
			return nodes;
		}
	}
	return ASTNodeSearchUtil.getDeclarationNodes(element, cuNode);
}
 

@Override
public boolean visit(ClassInstanceCreation node) {
	if (!isSelected(node)) {
		return false;
	}
	return handleExceptions(node.resolveConstructorBinding(), node);
}
 

public boolean isTypeCheckMethodStateSetter() {
	InheritanceTree tree = null;
	if(existingInheritanceTree != null)
		tree = existingInheritanceTree;
	else if(inheritanceTreeMatchingWithStaticTypes != null)
		tree = inheritanceTreeMatchingWithStaticTypes;
	if(tree != null) {
		DefaultMutableTreeNode root = tree.getRootNode();
		DefaultMutableTreeNode leaf = root.getFirstLeaf();
		List<String> subclassNames = new ArrayList<String>();
		while(leaf != null) {
			subclassNames.add((String)leaf.getUserObject());
			leaf = leaf.getNextLeaf();
		}
		Block typeCheckMethodBody = typeCheckMethod.getBody();
		List<Statement> statements = typeCheckMethodBody.statements();
		if(statements.size() > 0 && statements.get(0) instanceof SwitchStatement) {
			SwitchStatement switchStatement = (SwitchStatement)statements.get(0);
			List<Statement> statements2 = switchStatement.statements();
			ExpressionExtractor expressionExtractor = new ExpressionExtractor();
			int matchCounter = 0;
			for(Statement statement2 : statements2) {
				if(!(statement2 instanceof SwitchCase) && !(statement2 instanceof BreakStatement)) {
					List<Expression> classInstanceCreations = expressionExtractor.getClassInstanceCreations(statement2);
					if(classInstanceCreations.size() == 1) {
						ClassInstanceCreation classInstanceCreation = (ClassInstanceCreation)classInstanceCreations.get(0);
						Type classInstanceCreationType = classInstanceCreation.getType();
						if(subclassNames.contains(classInstanceCreationType.resolveBinding().getQualifiedName())) {
							matchCounter++;
						}
					}
				}
			}
			if(matchCounter == subclassNames.size())
				return true;
		}
	}
	return false;
}