Java Code Examples for org.eclipse.jdt.core.dom.AST#newClassInstanceCreation()

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;
}
 

/**
 * This method builds a {@link ClassInstanceCreation} object (i.e. "new Ensuerer(varName, predicate")
 * 
 * @param ast
 * @param varName
 * @param predicate
 * @return
 */
private ClassInstanceCreation createEnsurerClassInstance(final AST ast, String varName, String predicate) {
	final ClassInstanceCreation classInstance = ast.newClassInstanceCreation();
	classInstance.setType(createAstType(INJAR_CLASS_NAME, ast));
	final StringLiteral literalPredicate = ast.newStringLiteral();
	literalPredicate.setLiteralValue(predicate);
	classInstance.arguments().add(ast.newSimpleName(varName));
	classInstance.arguments().add(literalPredicate);

	return classInstance;
}
 

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;
}
 

public Block createReturnBlock(AST ast, TypeDeclaration builderType, String withName, String parameterName) {
    Block builderMethodBlock = ast.newBlock();
    ReturnStatement returnStatement = ast.newReturnStatement();
    ClassInstanceCreation newClassInstanceCreation = ast.newClassInstanceCreation();
    newClassInstanceCreation.setType(ast.newSimpleType(ast.newName(builderType.getName().toString())));

    MethodInvocation withMethodInvocation = ast.newMethodInvocation();
    withMethodInvocation.setExpression(newClassInstanceCreation);
    withMethodInvocation.setName(ast.newSimpleName(withName));
    withMethodInvocation.arguments().add(ast.newSimpleName(parameterName));

    returnStatement.setExpression(withMethodInvocation);
    builderMethodBlock.statements().add(returnStatement);
    return builderMethodBlock;
}
 

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;
}
 

private static ThrowStatement getThrowForUnsupportedCase(Expression switchExpr, AST ast, ASTRewrite astRewrite) {
	ThrowStatement newThrowStatement = ast.newThrowStatement();
	ClassInstanceCreation newCic = ast.newClassInstanceCreation();
	newCic.setType(ast.newSimpleType(ast.newSimpleName("UnsupportedOperationException"))); //$NON-NLS-1$
	InfixExpression newInfixExpr = ast.newInfixExpression();
	StringLiteral newStringLiteral = ast.newStringLiteral();
	newStringLiteral.setLiteralValue("Unimplemented case: "); //$NON-NLS-1$
	newInfixExpr.setLeftOperand(newStringLiteral);
	newInfixExpr.setOperator(InfixExpression.Operator.PLUS);
	newInfixExpr.setRightOperand((Expression) astRewrite.createCopyTarget(switchExpr));
	newCic.arguments().add(newInfixExpr);
	newThrowStatement.setExpression(newCic);
	return newThrowStatement;
}
 

private static ThrowStatement getThrowForUnexpectedDefault(Expression switchExpression, AST ast, ASTRewrite astRewrite) {
	ThrowStatement newThrowStatement = ast.newThrowStatement();
	ClassInstanceCreation newCic = ast.newClassInstanceCreation();
	newCic.setType(ast.newSimpleType(ast.newSimpleName("IllegalArgumentException"))); //$NON-NLS-1$
	InfixExpression newInfixExpr = ast.newInfixExpression();
	StringLiteral newStringLiteral = ast.newStringLiteral();
	newStringLiteral.setLiteralValue("Unexpected value: "); //$NON-NLS-1$
	newInfixExpr.setLeftOperand(newStringLiteral);
	newInfixExpr.setOperator(InfixExpression.Operator.PLUS);
	newInfixExpr.setRightOperand((Expression) astRewrite.createCopyTarget(switchExpression));
	newCic.arguments().add(newInfixExpr);
	newThrowStatement.setExpression(newCic);
	return newThrowStatement;
}
 

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

    ClassInstanceCreation privilegedActionCreation = ast.newClassInstanceCreation();
    ParameterizedType privilegedActionType = createPrivilegedActionType(rewrite, classLoaderCreation);
    AnonymousClassDeclaration anonymousClassDeclaration = createAnonymousClassDeclaration(rewrite, classLoaderCreation);

    privilegedActionCreation.setType(privilegedActionType);
    privilegedActionCreation.setAnonymousClassDeclaration(anonymousClassDeclaration);

    return privilegedActionCreation;
}
 

public Expression createDefaultExpression(List<Expression> invocationArguments, ParameterInfo addedInfo, List<ParameterInfo> parameterInfos, MethodDeclaration enclosingMethod, boolean isRecursive, CompilationUnitRewrite cuRewrite) {
	final AST ast= cuRewrite.getAST();
	final ASTRewrite rewrite= cuRewrite.getASTRewrite();
	if (isRecursive && canReuseParameterObject(invocationArguments, addedInfo, parameterInfos, enclosingMethod)) {
		return ast.newSimpleName(addedInfo.getNewName());
	}
	ClassInstanceCreation classCreation= ast.newClassInstanceCreation();

	int startPosition= enclosingMethod != null ? enclosingMethod.getStartPosition() : cuRewrite.getRoot().getStartPosition();
	ContextSensitiveImportRewriteContext context= fParameterObjectFactory.createParameterClassAwareContext(fCreateAsTopLevel, cuRewrite, startPosition);
	classCreation.setType(fParameterObjectFactory.createType(fCreateAsTopLevel, cuRewrite, startPosition));
	List<Expression> constructorArguments= classCreation.arguments();
	for (Iterator<ParameterInfo> iter= parameterInfos.iterator(); iter.hasNext();) {
		ParameterInfo pi= iter.next();
		if (isValidField(pi)) {
			if (pi.isOldVarargs()) {
				boolean isLastParameter= !iter.hasNext();
				constructorArguments.addAll(computeVarargs(invocationArguments, pi, isLastParameter, cuRewrite, context));
			} else {
				Expression exp= invocationArguments.get(pi.getOldIndex());
				importNodeTypes(exp, cuRewrite, context);
				constructorArguments.add(moveNode(exp, rewrite));
			}
		}
	}
	return classCreation;
}
 

private ClassInstanceCreation createClassInstantiation(AST ast, TypeDeclaration builderType, String parameterName) {
    ClassInstanceCreation newClassInstanceCreation = ast.newClassInstanceCreation();
    newClassInstanceCreation.setType(ast.newSimpleType(ast.newName(builderType.getName().toString())));
    newClassInstanceCreation.arguments().add(createArgument(ast, parameterName));
    return newClassInstanceCreation;
}
 

private FieldDeclaration createParameterObjectField(ParameterObjectFactory pof, TypeDeclaration typeNode, int modifier) {
	AST ast= fBaseCURewrite.getAST();
	ClassInstanceCreation creation= ast.newClassInstanceCreation();
	creation.setType(pof.createType(fDescriptor.isCreateTopLevel(), fBaseCURewrite, typeNode.getStartPosition()));
	ListRewrite listRewrite= fBaseCURewrite.getASTRewrite().getListRewrite(creation, ClassInstanceCreation.ARGUMENTS_PROPERTY);
	for (Iterator<FieldInfo> iter= fVariables.values().iterator(); iter.hasNext();) {
		FieldInfo fi= iter.next();
		if (isCreateField(fi)) {
			Expression expression= fi.initializer;
			if (expression != null && !fi.hasFieldReference()) {
				importNodeTypes(expression, fBaseCURewrite);
				ASTNode createMoveTarget= fBaseCURewrite.getASTRewrite().createMoveTarget(expression);
				if (expression instanceof ArrayInitializer) {
					ArrayInitializer ai= (ArrayInitializer) expression;
					ITypeBinding type= ai.resolveTypeBinding();
					Type addImport= fBaseCURewrite.getImportRewrite().addImport(type, ast);
					fBaseCURewrite.getImportRemover().registerAddedImports(addImport);
					ArrayCreation arrayCreation= ast.newArrayCreation();
					arrayCreation.setType((ArrayType) addImport);
					arrayCreation.setInitializer((ArrayInitializer) createMoveTarget);
					listRewrite.insertLast(arrayCreation, null);
				} else {
					listRewrite.insertLast(createMoveTarget, null);
				}
			}
		}
	}

	VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
	fragment.setName(ast.newSimpleName(fDescriptor.getFieldName()));
	fragment.setInitializer(creation);

	ModifierKeyword acc= null;
	if (Modifier.isPublic(modifier)) {
		acc= ModifierKeyword.PUBLIC_KEYWORD;
	} else if (Modifier.isProtected(modifier)) {
		acc= ModifierKeyword.PROTECTED_KEYWORD;
	} else if (Modifier.isPrivate(modifier)) {
		acc= ModifierKeyword.PRIVATE_KEYWORD;
	}

	FieldDeclaration fieldDeclaration= ast.newFieldDeclaration(fragment);
	fieldDeclaration.setType(pof.createType(fDescriptor.isCreateTopLevel(), fBaseCURewrite, typeNode.getStartPosition()));
	if (acc != null)
		fieldDeclaration.modifiers().add(ast.newModifier(acc));
	return fieldDeclaration;
}
 

/**
 * Creates and returns a new MethodDeclaration that represents the factory method to be used in
 * place of direct calls to the constructor in question.
 * 
 * @param ast An AST used as a factory for various AST nodes
 * @param ctorBinding binding for the constructor being wrapped
 * @param unitRewriter the ASTRewrite to be used
 * @return the new method declaration
 * @throws CoreException if an exception occurs while accessing its corresponding resource
 */
private MethodDeclaration createFactoryMethod(AST ast, IMethodBinding ctorBinding, ASTRewrite unitRewriter) throws CoreException{
	MethodDeclaration		newMethod= ast.newMethodDeclaration();
	SimpleName				newMethodName= ast.newSimpleName(fNewMethodName);
	ClassInstanceCreation	newCtorCall= ast.newClassInstanceCreation();
	ReturnStatement			ret= ast.newReturnStatement();
	Block		body= ast.newBlock();
	List<Statement>		stmts= body.statements();
	String		retTypeName= ctorBinding.getName();

	createFactoryMethodSignature(ast, newMethod);

	newMethod.setName(newMethodName);
	newMethod.setBody(body);

	ITypeBinding declaringClass= fCtorBinding.getDeclaringClass();
	ITypeBinding[] ctorOwnerTypeParameters= declaringClass.getTypeParameters();

	setMethodReturnType(newMethod, retTypeName, ctorOwnerTypeParameters, ast);

	newMethod.modifiers().addAll(ASTNodeFactory.newModifiers(ast, Modifier.STATIC | Modifier.PUBLIC));

	setCtorTypeArguments(newCtorCall, retTypeName, ctorOwnerTypeParameters, ast);

	createFactoryMethodConstructorArgs(ast, newCtorCall);

	if (Modifier.isAbstract(declaringClass.getModifiers())) {
		AnonymousClassDeclaration decl= ast.newAnonymousClassDeclaration();
		IMethodBinding[] unimplementedMethods= getUnimplementedMethods(declaringClass);
		CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(fCUHandle.getJavaProject());
		ImportRewriteContext context= new ContextSensitiveImportRewriteContext(fFactoryCU, decl.getStartPosition(), fImportRewriter);
		for (int i= 0; i < unimplementedMethods.length; i++) {
			IMethodBinding unImplementedMethod= unimplementedMethods[i];
			MethodDeclaration newMethodDecl= StubUtility2.createImplementationStub(fCUHandle, unitRewriter, fImportRewriter, context, unImplementedMethod, unImplementedMethod.getDeclaringClass()
					.getName(), settings, false);
			decl.bodyDeclarations().add(newMethodDecl);
		}
		newCtorCall.setAnonymousClassDeclaration(decl);
	}

	ret.setExpression(newCtorCall);
	stmts.add(ret);

	return newMethod;
}