/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.ocm.manager.beanconverter.impl;
import javax.jcr.Node;
import javax.jcr.PropertyType;
import javax.jcr.Session;
import javax.jcr.Value;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.jackrabbit.ocm.exception.JcrMappingException;
import org.apache.jackrabbit.ocm.exception.ObjectContentManagerException;
import org.apache.jackrabbit.ocm.exception.RepositoryException;
import org.apache.jackrabbit.ocm.manager.atomictypeconverter.AtomicTypeConverterProvider;
import org.apache.jackrabbit.ocm.manager.beanconverter.BeanConverter;
import org.apache.jackrabbit.ocm.manager.objectconverter.ObjectConverter;
import org.apache.jackrabbit.ocm.mapper.Mapper;
import org.apache.jackrabbit.ocm.mapper.model.BeanDescriptor;
import org.apache.jackrabbit.ocm.mapper.model.ClassDescriptor;
import org.apache.jackrabbit.ocm.mapper.model.FieldDescriptor;
import org.apache.jackrabbit.ocm.reflection.ReflectionUtils;
/**
*
* Map a bean attribute into a reference jcr property. It is not possible to update direclty the referenced bean.
* Only the corresponding uuid can be updated in the main object. The modifications on the referenced bean attributes are ignored
*
*
* @author <a href="mailto:christophe.lombart@gmail.com">Lombart Christophe </a>
*
*/
public class ReferenceBeanConverterImpl extends AbstractBeanConverterImpl implements BeanConverter {
private final static Log log = LogFactory.getLog(ReferenceBeanConverterImpl.class);
public ReferenceBeanConverterImpl(Mapper mapper, ObjectConverter objectConverter, AtomicTypeConverterProvider atomicTypeConverterProvider)
{
super(mapper, objectConverter, atomicTypeConverterProvider);
}
public void insert(Session session, Node parentNode, BeanDescriptor beanDescriptor, ClassDescriptor beanClassDescriptor, Object object, ClassDescriptor parentClassDescriptor, Object parent)
throws ObjectContentManagerException, RepositoryException, JcrMappingException
{
updateReferenceProperty(parentNode, beanDescriptor, beanClassDescriptor, object);
}
public void update(Session session, Node parentNode, BeanDescriptor beanDescriptor, ClassDescriptor beanClassDescriptor, Object object, ClassDescriptor parentClassDescriptor, Object parent)
throws ObjectContentManagerException, RepositoryException, JcrMappingException
{
updateReferenceProperty(parentNode, beanDescriptor, beanClassDescriptor, object);
}
public Object getObject(Session session, Node parentNode, BeanDescriptor beanDescriptor, ClassDescriptor beanClassDescriptor, Class beanClass, Object parent)
throws ObjectContentManagerException, RepositoryException,JcrMappingException
{
try {
String uuid = parentNode.getProperty(beanDescriptor.getJcrName()).getString();
String path = session.getNodeByUUID(uuid).getPath();
return objectConverter.getObject(session, path);
} catch (Exception e) {
return null;
}
}
public void remove(Session session, Node parentNode, BeanDescriptor beanDescriptor, ClassDescriptor beanClassDescriptor, Object object, ClassDescriptor parentClassDescriptor, Object parent)
throws ObjectContentManagerException, RepositoryException, JcrMappingException
{
updateReferenceProperty(parentNode, beanDescriptor, beanClassDescriptor, null);
}
private void updateReferenceProperty(Node parentNode, BeanDescriptor beanDescriptor,ClassDescriptor beanClassDescriptor, Object object) {
try {
if (object == null)
{
parentNode.setProperty(beanDescriptor.getJcrName(), (Value) null);
}
FieldDescriptor fieldDescriptor = beanClassDescriptor.getUuidFieldDescriptor();
if (fieldDescriptor == null)
{
throw new JcrMappingException("The bean doesn't have an uuid - classdescriptor : " + beanClassDescriptor.getClassName());
}
String uuid = (String) ReflectionUtils.getNestedProperty(object, fieldDescriptor.getFieldName());
parentNode.setProperty(beanDescriptor.getJcrName(), uuid, PropertyType.REFERENCE);
} catch (Exception e) {
throw new ObjectContentManagerException("Impossible to insert the bean attribute into the repository", e);
}
}
}