/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt 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.managed.plugins;
import java.io.ObjectStreamException;
import java.io.Serializable;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.beans.info.spi.PropertyInfo;
import org.jboss.managed.api.Fields;
import org.jboss.managed.api.ManagedObject;
import org.jboss.managed.api.factory.ManagedObjectFactory;
import org.jboss.managed.plugins.factory.ManagedObjectFactoryBuilder;
import org.jboss.managed.spi.factory.InstanceClassFactory;
import org.jboss.metatype.api.values.MetaValue;
import org.jboss.metatype.api.values.MetaValueFactory;
import org.jboss.metatype.plugins.values.MetaValueFactoryBuilder;
/**
* An extension of ManagedPropertyImpl.
*
* @author Scott.Stark@jboss.org
* @author Ales.Justin@jboss.org
* @version $Revision: 86627 $
*/
public class WritethroughManagedPropertyImpl extends ManagedPropertyImpl
{
private static final long serialVersionUID = 1;
/** The meta value factory */
private transient MetaValueFactory valueFactory;
/** The managed object factory */
private transient ManagedObjectFactory objectFactory;
public WritethroughManagedPropertyImpl(Fields fields)
{
super(fields);
}
public WritethroughManagedPropertyImpl(ManagedObject managedObject, Fields fields)
{
super(managedObject, fields);
}
public WritethroughManagedPropertyImpl(Fields fields, MetaValueFactory valueFactory, ManagedObjectFactory objectFactory)
{
super(fields);
this.valueFactory = valueFactory;
this.objectFactory = objectFactory;
}
protected ManagedObjectFactory getObjectFactory()
{
if (objectFactory == null)
objectFactory = ManagedObjectFactoryBuilder.create();
return objectFactory;
}
protected MetaValueFactory getValueFactory()
{
if (valueFactory == null)
valueFactory = MetaValueFactoryBuilder.create();
return valueFactory;
}
/**
* Write the value back to the attachment if there is a PropertyInfo
* in the Fields.PROPERTY_INFO field.
*/
@Override
@SuppressWarnings("unchecked")
public void setValue(MetaValue value)
{
PropertyInfo propertyInfo = getField(Fields.PROPERTY_INFO, PropertyInfo.class);
if (propertyInfo != null)
{
Object attachment = getManagedObject().getAttachment();
if (attachment != null)
{
ManagedObjectFactory mof = getObjectFactory();
InstanceClassFactory icf = mof.getInstanceClassFactory(attachment.getClass(), null);
BeanInfo beanInfo = propertyInfo.getBeanInfo();
icf.setValue(beanInfo, this, attachment, value);
}
}
// Update the field value only after it has been written to the attachment
super.setValue(value);
}
/**
* Expose only plain ManangedPropertyImpl.
*
* @return simpler ManagedPropertyImpl
* @throws ObjectStreamException for any error
*/
private Object writeReplace() throws ObjectStreamException
{
ManagedPropertyImpl managedProperty = new ManagedPropertyImpl(getManagedObject(), getFields());
managedProperty.setTargetManagedObject(getTargetManagedObject());
return managedProperty;
}
}