| /******************************************************************************* |
| * Copyright (c) 2008 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.eclipselink.core.internal.resource.java; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.internal.resource.java.AbstractResourceAnnotation; |
| import org.eclipse.jpt.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.ShortCircuitAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.SimpleTypeStringExpressionConverter; |
| import org.eclipse.jpt.core.resource.java.Annotation; |
| import org.eclipse.jpt.core.resource.java.AnnotationDefinition; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.core.utility.jdt.AnnotationElementAdapter; |
| import org.eclipse.jpt.core.utility.jdt.Attribute; |
| import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationAdapter; |
| import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.utility.jdt.Member; |
| import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLinkJPA; |
| import org.eclipse.jpt.eclipselink.core.resource.java.ReadTransformerAnnotation; |
| |
| |
| public class ReadTransformerImpl extends AbstractResourceAnnotation<Attribute> implements ReadTransformerAnnotation |
| { |
| private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME); |
| |
| private final AnnotationElementAdapter<String> transformerClassAdapter; |
| private final AnnotationElementAdapter<String> methodAdapter; |
| |
| private static final DeclarationAnnotationElementAdapter<String> TRANSFORMER_CLASS_ADAPTER = buildTransformerClassAdapter(); |
| private static final DeclarationAnnotationElementAdapter<String> METHOD_ADAPTER = buildMethodAdapter(); |
| |
| |
| private String transformerClass; |
| private String method; |
| |
| protected ReadTransformerImpl(JavaResourcePersistentAttribute parent, Attribute attribute) { |
| super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER); |
| this.transformerClassAdapter = new ShortCircuitAnnotationElementAdapter<String>(attribute, TRANSFORMER_CLASS_ADAPTER); |
| this.methodAdapter = new ShortCircuitAnnotationElementAdapter<String>(attribute, METHOD_ADAPTER); |
| } |
| |
| public void initialize(CompilationUnit astRoot) { |
| this.transformerClass = this.transformerClass(astRoot); |
| this.method = this.method(astRoot); |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| |
| //*************** ReadTransformer implementation **************** |
| public String getTransformerClass() { |
| return this.transformerClass; |
| } |
| |
| public void setTransformerClass(String newTransformerClass) { |
| if (attributeValueHasNotChanged(this.transformerClass, newTransformerClass)) { |
| return; |
| } |
| String oldTransformerClass = this.transformerClass; |
| this.transformerClass = newTransformerClass; |
| this.transformerClassAdapter.setValue(newTransformerClass); |
| firePropertyChanged(TRANSFORMER_CLASS_PROPERTY, oldTransformerClass, newTransformerClass); |
| } |
| |
| public String getMethod() { |
| return this.method; |
| } |
| |
| public void setMethod(String newMethod) { |
| if (attributeValueHasNotChanged(this.method, newMethod)) { |
| return; |
| } |
| String oldMethod = this.method; |
| this.method = newMethod; |
| this.methodAdapter.setValue(newMethod); |
| firePropertyChanged(METHOD_PROPERTY, oldMethod, newMethod); |
| } |
| |
| public TextRange getTransformerClassTextRange(CompilationUnit astRoot) { |
| return this.getElementTextRange(TRANSFORMER_CLASS_ADAPTER, astRoot); |
| } |
| |
| public TextRange getMethodTextRange(CompilationUnit astRoot) { |
| return this.getElementTextRange(METHOD_ADAPTER, astRoot); |
| } |
| |
| public void update(CompilationUnit astRoot) { |
| this.setTransformerClass(this.transformerClass(astRoot)); |
| this.setMethod(this.method(astRoot)); |
| } |
| |
| protected String transformerClass(CompilationUnit astRoot) { |
| return this.transformerClassAdapter.getValue(astRoot); |
| } |
| |
| protected String method(CompilationUnit astRoot) { |
| return this.methodAdapter.getValue(astRoot); |
| } |
| |
| // ********** static methods ********** |
| private static DeclarationAnnotationElementAdapter<String> buildTransformerClassAdapter() { |
| return new ConversionDeclarationAnnotationElementAdapter<String>(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.READ_TRANSFORMER__TRANSFORMER_CLASS, false, SimpleTypeStringExpressionConverter.instance()); |
| } |
| |
| private static DeclarationAnnotationElementAdapter<String> buildMethodAdapter() { |
| return ConversionDeclarationAnnotationElementAdapter.forStrings(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.READ_TRANSFORMER__METHOD, false); |
| } |
| |
| public static class ReadTransformerAnnotationDefinition implements AnnotationDefinition |
| { |
| // singleton |
| private static final ReadTransformerAnnotationDefinition INSTANCE = new ReadTransformerAnnotationDefinition(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static ReadTransformerAnnotationDefinition instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private ReadTransformerAnnotationDefinition() { |
| super(); |
| } |
| |
| public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return new ReadTransformerImpl((JavaResourcePersistentAttribute) parent, (Attribute) member); |
| } |
| |
| public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return null; |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| } |
| |
| } |