/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.metadata.annotation.creator;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.Collection;
import java.util.Set;
import javax.persistence.PersistenceUnit;
import org.jboss.metadata.annotation.finder.AnnotationFinder;
import org.jboss.metadata.javaee.spec.PersistenceUnitReferenceMetaData;
import org.jboss.metadata.javaee.spec.PersistenceUnitReferencesMetaData;
import org.jboss.metadata.javaee.spec.ResourceInjectionTargetMetaData;
/**
* @PersistenceUnit processor
*
* @author <a href="mailto:emuckenh@redhat.com">Emanuel Muckenhuber</a>
* @version $Revision$
*/
public abstract class AbstractPersistenceUnitProcessor<E extends AnnotatedElement>
extends AbstractInjectionTargetProcessor<E>
{
protected AbstractPersistenceUnitProcessor(AnnotationFinder<AnnotatedElement> finder)
{
super(finder);
}
public void process(PersistenceUnitReferencesMetaData metaData, E element)
{
PersistenceUnit annotation = finder.getAnnotation(element, PersistenceUnit.class);
if(annotation == null)
return;
process(metaData, element, annotation);
}
protected void process(PersistenceUnitReferencesMetaData refs, E element, PersistenceUnit annotation)
{
PersistenceUnitReferenceMetaData ref = createPU(element, annotation);
addReference(refs, ref);
}
protected abstract String getName(E element);
protected abstract String getInjectionName(E element);
protected PersistenceUnitReferenceMetaData createPU(E element, PersistenceUnit annotation)
{
PersistenceUnitReferenceMetaData ref = new PersistenceUnitReferenceMetaData();
String name = annotation.name();
if(name.length() == 0)
name = getName(element);
ref.setPersistenceUnitRefName(name);
if(annotation.unitName().length() != 0)
ref.setPersistenceUnitName(annotation.unitName());
String injectionName = getInjectionName(element);
Set<ResourceInjectionTargetMetaData> injectionTargets = ProcessorUtils.getInjectionTargets(injectionName, element);
if(injectionTargets != null)
ref.setInjectionTargets(injectionTargets);
return ref;
}
public Collection<Class<? extends Annotation>> getAnnotationTypes()
{
return ProcessorUtils.createAnnotationSet(PersistenceUnit.class);
}
}