/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., 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.solder.exception.control;
import javax.enterprise.event.ObserverException;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
/**
* @author <a href="http://community.jboss.org/people/LightGuard">Jason Porter</a>
*/
@Interceptor
@ExceptionHandled
public class ExceptionHandledInterceptor {
@Inject
private BeanManager bm;
/**
* Around invoke method implementation.
*
* @param ctx InvocationContext as defined by the Interceptor Spec.
* @return value of {@link javax.interceptor.InvocationContext#proceed()}, unless an exception occurs, if the method returns a primitive the value
* will be 0 for int, short, long, float and false for boolean.
*/
@AroundInvoke
public Object passExceptionsToSolderCatch(final InvocationContext ctx) throws Exception {
Object result = null;
try {
result = ctx.proceed();
} catch (final Throwable e) {
try {
bm.fireEvent(new ExceptionToCatch(e));
} catch (Exception ex) {
if (ex.getClass().equals(ObserverException.class)) {
if (ex.getCause() instanceof Exception) {
throw (Exception) ex.getCause();
} else if (ex.getCause() instanceof Error) {
throw (Error) ex.getCause();
} else {
throw new RuntimeException(ex.getCause());
}
}
}
}
if (ctx.getMethod().getReturnType().equals(Integer.TYPE) || ctx.getMethod().getReturnType().equals(Short.TYPE)
|| ctx.getMethod().getReturnType().equals(Long.TYPE) || ctx.getMethod().getReturnType().equals(Float.TYPE)
|| ctx.getMethod().getReturnType().equals(Byte.TYPE) || ctx.getMethod().getReturnType().equals(Double.TYPE))
return 0;
if (ctx.getMethod().getReturnType().equals(Character.TYPE))
return '\u0000';
if (ctx.getMethod().getReturnType().equals(Boolean.TYPE))
return false;
return result;
}
}