/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.ejb3.tx;
import java.rmi.RemoteException;
import javax.ejb.ApplicationException;
import javax.ejb.EJBException;
import javax.ejb.EJBTransactionRequiredException;
import javax.ejb.EJBTransactionRolledbackException;
import javax.transaction.Transaction;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.joinpoint.MethodInvocation;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 72368 $
*/
public class Ejb3TxPolicy extends org.jboss.aspects.tx.TxPolicy
{
public void throwMandatory(Invocation invocation)
{
throw new EJBTransactionRequiredException(((MethodInvocation) invocation).getActualMethod().toString());
}
public void handleExceptionInOurTx(Invocation invocation, Throwable t, Transaction tx) throws Throwable
{
ApplicationException ae = TxUtil.getApplicationException(t.getClass(), invocation);
if (ae != null)
{
if (ae.rollback()) setRollbackOnly(tx);
throw t;
}
// if it's neither EJBException nor RemoteException
if(!(t instanceof EJBException || t instanceof RemoteException))
{
// errors and unchecked are wrapped into EJBException
if(t instanceof Error)
{
t = new EJBException(formatException("Unexpected Error", t));
}
else if (t instanceof RuntimeException)
{
t = new EJBException((Exception)t);
}
else
{
// an application exception
throw t;
}
}
setRollbackOnly(tx);
throw t;
}
public void handleInCallerTx(Invocation invocation, Throwable t, Transaction tx) throws Throwable
{
ApplicationException ae = TxUtil.getApplicationException(t.getClass(), invocation);
if (ae != null)
{
if (ae.rollback()) setRollbackOnly(tx);
throw t;
}
// if it's not EJBTransactionRolledbackException
if(!(t instanceof EJBTransactionRolledbackException))
{
if(t instanceof Error)
{
t = new EJBTransactionRolledbackException(formatException("Unexpected Error", t));
}
else if(t instanceof RuntimeException || t instanceof RemoteException)
{
t = new EJBTransactionRolledbackException(t.getMessage(), (Exception) t);
}
else // application exception
{
throw t;
}
}
setRollbackOnly(tx);
log.error(t);
throw t;
}
private String formatException(String msg, Throwable t)
{
java.io.StringWriter sw = new java.io.StringWriter();
java.io.PrintWriter pw = new java.io.PrintWriter(sw);
if (msg != null)
pw.println(msg);
if (t != null)
{
t.printStackTrace(pw);
} // end of if ()
return sw.toString();
}
}