| /******************************************************************************* |
| * 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.JDTTools; |
| 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.JavaResourcePersistentMember; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.core.utility.jdt.AnnotationElementAdapter; |
| 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.core.utility.jdt.Type; |
| import org.eclipse.jpt.eclipselink.core.resource.java.CustomizerAnnotation; |
| import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLinkJPA; |
| |
| |
| public class CustomizerImpl extends AbstractResourceAnnotation<Type> implements CustomizerAnnotation |
| { |
| private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME); |
| |
| private final AnnotationElementAdapter<String> valueAdapter; |
| |
| private static final DeclarationAnnotationElementAdapter<String> VALUE_ADAPTER = buildValueAdapter(); |
| |
| |
| private String value; |
| private boolean implementsDescriptorCustomizer; |
| |
| protected CustomizerImpl(JavaResourcePersistentMember parent, Type type) { |
| super(parent, type, DECLARATION_ANNOTATION_ADAPTER); |
| this.valueAdapter = new ShortCircuitAnnotationElementAdapter<String>(type, VALUE_ADAPTER); |
| } |
| |
| public void initialize(CompilationUnit astRoot) { |
| this.value = this.value(astRoot); |
| this.implementsDescriptorCustomizer = this.implementsDescriptorCustomizer(astRoot); |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| |
| //*************** Customizer implementation **************** |
| |
| public String getValue() { |
| return this.value; |
| } |
| |
| public void setValue(String newValue) { |
| if (attributeValueHasNotChanged(this.value, newValue)) { |
| return; |
| } |
| String oldValue = this.value; |
| this.value = newValue; |
| this.valueAdapter.setValue(newValue); |
| firePropertyChanged(VALUE_PROPERTY, oldValue, newValue); |
| } |
| |
| public boolean implementsDescriptorCustomizer() { |
| return this.implementsDescriptorCustomizer; |
| } |
| |
| protected void setImplementsDescriptorCustomizer(boolean newImplementsDescriptorCustomizer) { |
| boolean oldImplementsDescriptorCustomizer = this.implementsDescriptorCustomizer; |
| this.implementsDescriptorCustomizer = newImplementsDescriptorCustomizer; |
| firePropertyChanged(IMPLEMENTS_DESCRIPTOR_CUSTOMIZER_PROPERTY, oldImplementsDescriptorCustomizer, newImplementsDescriptorCustomizer); |
| } |
| |
| public TextRange getValueTextRange(CompilationUnit astRoot) { |
| return this.getElementTextRange(VALUE_ADAPTER, astRoot); |
| } |
| |
| public void update(CompilationUnit astRoot) { |
| this.setValue(this.value(astRoot)); |
| this.setImplementsDescriptorCustomizer(this.implementsDescriptorCustomizer(astRoot)); |
| } |
| |
| protected String value(CompilationUnit astRoot) { |
| return this.valueAdapter.getValue(astRoot); |
| } |
| |
| private boolean implementsDescriptorCustomizer(CompilationUnit astRoot) { |
| if (this.value == null) { |
| return false; |
| } |
| return JDTTools.findTypeInHierarchy(this.valueAdapter.getExpression(astRoot), ECLIPSELINK_DESCRIPTOR_CUSTOMIZER_CLASS_NAME) != null; |
| } |
| |
| // ********** static methods ********** |
| |
| private static DeclarationAnnotationElementAdapter<String> buildValueAdapter() { |
| return new ConversionDeclarationAnnotationElementAdapter<String>(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.CUSTOMIZER__VALUE, false, SimpleTypeStringExpressionConverter.instance()); |
| } |
| |
| public static class CustomizerAnnotationDefinition implements AnnotationDefinition |
| { |
| // singleton |
| private static final CustomizerAnnotationDefinition INSTANCE = new CustomizerAnnotationDefinition(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static CustomizerAnnotationDefinition instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private CustomizerAnnotationDefinition() { |
| super(); |
| } |
| |
| public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return new CustomizerImpl(parent, (Type) member); |
| } |
| |
| public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return null; |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| } |
| |
| } |