/*
* 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.naming.interceptors;
import java.io.Externalizable;
import java.io.IOException;
import javax.naming.CommunicationException;
import javax.naming.NamingException;
import javax.naming.ServiceUnavailableException;
import org.jboss.invocation.Invocation;
import org.jboss.proxy.Interceptor;
/** A client interceptor that handles the wrapping of exceptions to
* NamingExceptions
*
* @author Scott.Stark@jboss.org
* @version $Revision: 81030 $
*/
public class ExceptionInterceptor extends Interceptor
implements Externalizable
{
/** The serialVersionUID. @since 1.1.2.1 */
private static final long serialVersionUID = 6010013004557885014L;
/** Handle methods locally on the client
*
* @param mi
* @return
* @throws Throwable
*/
public Object invoke(Invocation mi) throws Throwable
{
Object value = null;
try
{
value = getNext().invoke(mi);
}
catch(NamingException e)
{
throw e;
}
catch(IOException e)
{
CommunicationException ce = new CommunicationException("Operation failed");
ce.setRootCause(e);
throw ce;
}
catch(Throwable t)
{
ServiceUnavailableException sue = new ServiceUnavailableException("Unexpected failure");
sue.setRootCause(t);
throw sue;
}
return value;
}
}