/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed 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.jboss.seam.persistence.util;
import java.lang.reflect.Method;
import org.jboss.seam.transaction.SeamApplicationException;
/**
* Utility class for dealing with application exceptions
*
* @author Stuart Douglas
*
*/
public class ExceptionUtil
{
private ExceptionUtil()
{
}
public static boolean exceptionCausesRollback(Exception e)
{
boolean defaultRollback = false;
if (e instanceof RuntimeException)
{
defaultRollback = true;
}
Class<?> exClass = e.getClass();
if (exClass.isAnnotationPresent(SeamApplicationException.class))
{
SeamApplicationException sae = exClass.getAnnotation(SeamApplicationException.class);
return sae.rollback();
}
else if (exClass.isAnnotationPresent(EjbApi.APPLICATION_EXCEPTION))
{
Object ae = exClass.getAnnotation(EjbApi.APPLICATION_EXCEPTION);
try
{
Method rollback = EjbApi.APPLICATION_EXCEPTION.getMethod("rollback");
return (Boolean) rollback.invoke(ae);
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
return defaultRollback;
}
}