jpa/plugins/org.eclipse.jpt.eclipselink.core/src/org/eclipse/jpt/eclipselink/core/internal/context/java/JavaEclipseLinkVersionMapping.java

/*******************************************************************************
 * 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.eclipselink.core.internal.context.java;

import java.util.List;
import java.util.Vector;

import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.context.java.JavaConverter;
import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.core.internal.context.java.AbstractJavaVersionMapping;
import org.eclipse.jpt.eclipselink.core.context.EclipseLinkConvert;
import org.eclipse.jpt.eclipselink.core.context.EclipseLinkMutable;
import org.eclipse.jpt.eclipselink.core.context.EclipseLinkVersionMapping;
import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLink;
import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLinkConvertAnnotation;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;

public class JavaEclipseLinkVersionMapping
	extends AbstractJavaVersionMapping
	implements EclipseLinkVersionMapping
{
	protected final JavaEclipseLinkMutable mutable;
	
	public JavaEclipseLinkVersionMapping(JavaPersistentAttribute parent) {
		super(parent);
		this.mutable = new JavaEclipseLinkMutable(this);
	}
	
	//************** JavaAttributeMapping implementation ***************
	
	@Override
	protected void addSupportingAnnotationNamesTo(Vector<String> names) {
		super.addSupportingAnnotationNamesTo(names);
		names.add(EclipseLink.MUTABLE);
		names.add(EclipseLink.CONVERT);
	}

	
	//************** EclipseLinkVersionMapping overrides ***************

	@Override
	protected JavaConverter buildConverter(String converterType) {
		JavaConverter javaConverter = super.buildConverter(converterType);
		if (javaConverter != null) {
			return javaConverter;
		}
		if (this.valuesAreEqual(converterType, EclipseLinkConvert.ECLIPSE_LINK_CONVERTER)) {
			return new JavaEclipseLinkConvert(this, this.getResourcePersistentAttribute());
		}
		throw new IllegalArgumentException();
	}
	
	@Override
	protected String getResourceConverterType() {
		//check @Convert first, this is the order that EclipseLink searches
		if (this.getResourcePersistentAttribute().getAnnotation(EclipseLinkConvertAnnotation.ANNOTATION_NAME) != null) {
			return EclipseLinkConvert.ECLIPSE_LINK_CONVERTER;
		}
		return super.getResourceConverterType();
	}
	
	
	//************ EclipselinkVersionMapping implementation ****************
	
	public EclipseLinkMutable getMutable() {
		return this.mutable;
	}
	
	
	//************ initialization/update ****************

	@Override
	protected void initialize() {
		super.initialize();
		this.mutable.initialize(this.getResourcePersistentAttribute());
	}
	
	@Override
	protected void update() {
		super.update();
		this.mutable.update(this.getResourcePersistentAttribute());
	}
	
	//************ validation ****************
	
	@Override
	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
		super.validate(messages, reporter, astRoot);
		this.mutable.validate(messages, reporter, astRoot);
	}
	
}