| /******************************************************************************* |
| * Copyright (c) 2009 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal.resource.java; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.resource.java.Annotation; |
| import org.eclipse.jpt.core.resource.java.JavaResourceCompilationUnit; |
| import org.eclipse.jpt.core.resource.java.JavaResourceNode; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember; |
| import org.eclipse.jpt.core.utility.TextRange; |
| |
| /** |
| * Simplify null annotation classes |
| */ |
| public abstract class NullAnnotation |
| extends AbstractJavaResourceNode |
| implements Annotation |
| { |
| |
| protected NullAnnotation(JavaResourceNode parent) { |
| super(parent); |
| } |
| |
| public void initialize(CompilationUnit astRoot) { |
| // do nothing |
| } |
| |
| public org.eclipse.jdt.core.dom.Annotation getJdtAnnotation(CompilationUnit astRoot) { |
| return null; |
| } |
| |
| public JavaResourceCompilationUnit getJavaResourceCompilationUnit() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void newAnnotation() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void removeAnnotation() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public TextRange getTextRange(CompilationUnit astRoot) { |
| return null; |
| } |
| |
| public void update(CompilationUnit astRoot) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Convenience method: Cast the annotation's parent to a |
| * persistent member. |
| */ |
| protected JavaResourcePersistentMember getMember() { |
| return (JavaResourcePersistentMember) this.parent; |
| } |
| |
| /** |
| * Convenience method: Add the type or attribute's annotation |
| * and return it. |
| * Pre-condition: The annotation's parent must be a persistent member |
| * (type or attribute). |
| */ |
| protected Annotation addAnnotation() { |
| return this.getMember().addAnnotation(this.getAnnotationName()); |
| } |
| |
| /** |
| * Convenience method: Add the type or attribute's annotation |
| * and return it. |
| * Pre-condition: The annotation's parent must be a persistent member |
| * (type or attribute). |
| */ |
| protected Annotation addAnnotation( |
| JavaResourcePersistentMember.AnnotationInitializer initializer) { |
| return this.getMember().addAnnotation(this.getAnnotationName(), initializer); |
| } |
| } |