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/*******************************************************************************
* Copyright (c) 2008, 2010 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.jpa.eclipselink.core.internal.resource.java.source;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.internal.utility.jdt.ASTTools;
import org.eclipse.jpt.common.core.internal.utility.jdt.AnnotatedElementAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.SimpleTypeStringExpressionConverter;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.core.utility.jdt.AnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.Type;
import org.eclipse.jpt.jpa.core.internal.resource.java.source.SourceAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentType;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLink;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLinkCustomizerAnnotation;
/**
* org.eclipse.persistence.annotations.Customizer
*/
public final class SourceEclipseLinkCustomizerAnnotation
extends SourceAnnotation<Type>
implements EclipseLinkCustomizerAnnotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private static final DeclarationAnnotationElementAdapter<String> VALUE_ADAPTER = buildValueAdapter();
private final AnnotationElementAdapter<String> valueAdapter;
private String value;
/**
* @see org.eclipse.jpt.jpa.core.internal.resource.java.source.SourceIdClassAnnotation#fullyQualifiedClassName
*/
private String fullyQualifiedCustomizerClassName;
// we need a flag since the f-q name can be null
private boolean fqCustomizerClassNameStale = true;
public SourceEclipseLinkCustomizerAnnotation(JavaResourcePersistentType parent, Type type) {
super(parent, type, DECLARATION_ANNOTATION_ADAPTER);
this.valueAdapter = new AnnotatedElementAnnotationElementAdapter<String>(type, VALUE_ADAPTER);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
public void initialize(CompilationUnit astRoot) {
this.value = this.buildValue(astRoot);
}
public void synchronizeWith(CompilationUnit astRoot) {
this.syncValue(this.buildValue(astRoot));
}
@Override
public boolean isUnset() {
return super.isUnset() &&
(this.value == null);
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.value);
}
// ********** CustomizerAnnotation implementation **********
// ***** value
public String getValue() {
return this.value;
}
public void setValue(String value) {
if (this.attributeValueHasChanged(this.value, value)) {
this.value = value;
this.fqCustomizerClassNameStale = true;
this.valueAdapter.setValue(value);
}
}
private void syncValue(String astValue) {
if (this.attributeValueHasChanged(this.value, astValue)) {
this.syncValue_(astValue);
}
}
private void syncValue_(String astValue) {
String old = this.value;
this.value = astValue;
this.fqCustomizerClassNameStale = true;
this.firePropertyChanged(VALUE_PROPERTY, old, astValue);
}
private String buildValue(CompilationUnit astRoot) {
return this.valueAdapter.getValue(astRoot);
}
public TextRange getValueTextRange(CompilationUnit astRoot) {
return this.getElementTextRange(VALUE_ADAPTER, astRoot);
}
public boolean customizerClassImplementsInterface(String interfaceName, CompilationUnit astRoot) {
return (this.value != null)
&& ASTTools.typeIsSubTypeOf(this.valueAdapter.getExpression(astRoot), interfaceName);
}
// ***** fully-qualified customizer class name
public String getFullyQualifiedCustomizerClassName() {
if (this.fqCustomizerClassNameStale) {
this.fullyQualifiedCustomizerClassName = this.buildFullyQualifiedCustomizerClassName();
this.fqCustomizerClassNameStale = false;
}
return this.fullyQualifiedCustomizerClassName;
}
private String buildFullyQualifiedCustomizerClassName() {
return (this.value == null) ? null : this.buildFullyQualifiedCustomizerClassName_();
}
private String buildFullyQualifiedCustomizerClassName_() {
return ASTTools.resolveFullyQualifiedName(this.valueAdapter.getExpression(this.buildASTRoot()));
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildValueAdapter() {
return new ConversionDeclarationAnnotationElementAdapter<String>(DECLARATION_ANNOTATION_ADAPTER, EclipseLink.CUSTOMIZER__VALUE, SimpleTypeStringExpressionConverter.instance());
}
}
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