/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009-2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.event;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.hibernate.internal.util.ReflectHelper;
/**
* @author <a href="mailto:kabir.khan@jboss.org">Kabir Khan</a>
*/
public class ListenerCallback extends Callback {
protected transient Object listener;
public ListenerCallback(Method callbackMethod, Object listener) {
super( callbackMethod );
this.listener = listener;
}
@Override
public void invoke(Object bean) {
try {
callbackMethod.invoke( listener, new Object[]{bean} );
}
catch (InvocationTargetException e) {
//keep runtime exceptions as is
if ( e.getTargetException() instanceof RuntimeException ) {
throw (RuntimeException) e.getTargetException();
}
else {
throw new RuntimeException( e.getTargetException() );
}
}
catch (Exception e) {
throw new RuntimeException( e );
}
}
private void writeObject(ObjectOutputStream oos) throws IOException {
oos.defaultWriteObject();
oos.writeObject( listener.getClass().getName() );
}
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
ois.defaultReadObject();
String listenerClass = (String) ois.readObject();
try {
listener = ReflectHelper.classForName( listenerClass, this.getClass() ).newInstance();
}
catch (InstantiationException e) {
throw new ClassNotFoundException( "Unable to load class:" + listenerClass, e );
}
catch (IllegalAccessException e) {
throw new ClassNotFoundException( "Unable to load class:" + listenerClass, e );
}
}
}