/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* 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.arquillian.container.impl.client.container;
import java.util.Collection;
import org.jboss.arquillian.container.spi.client.container.DeploymentException;
import org.jboss.arquillian.container.spi.client.container.DeploymentExceptionTransformer;
import org.jboss.arquillian.container.spi.client.deployment.Deployment;
import org.jboss.arquillian.container.spi.client.deployment.DeploymentDescription;
import org.jboss.arquillian.container.spi.event.DeployDeployment;
import org.jboss.arquillian.core.api.Instance;
import org.jboss.arquillian.core.api.annotation.Inject;
import org.jboss.arquillian.core.api.annotation.Observes;
import org.jboss.arquillian.core.spi.EventContext;
import org.jboss.arquillian.core.spi.ServiceLoader;
/**
* A exception handler that attempt to Veto a Exception during deployment if {@link ShouldThrowException} is defined for the {@link Deployment}.
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public class DeploymentExceptionHandler
{
@Inject
private Instance<ServiceLoader> serviceLoader;
public void verifyExpectedExceptionDuringDeploy(@Observes EventContext<DeployDeployment> context) throws Exception
{
DeploymentDescription deployment = context.getEvent().getDeployment().getDescription();
boolean deploymentExceptionThrown = true;
try
{
context.proceed();
if(deployment.getExpectedException() != null)
{
deploymentExceptionThrown = false;
throw new RuntimeException(
"Expected exception of type " + deployment.getExpectedException().getName() + " during deployment of " +
deployment.getName() + ", but no exception was thrown.");
}
}
catch (Exception e)
{
// if exception is not thrown from the deployment, rethrow it (we threw it).
if(!deploymentExceptionThrown)
{
throw e;
}
if(deployment.getExpectedException() != null)
{
if (!containsType(e, deployment.getExpectedException()))
{
throw e;
}
}
else
{
throw e;
}
}
}
/*
public void verifyExpectedExceptionDuringUnDeploy(@Observes EventContext<UnDeployDeployment> context) throws Exception
{
DeploymentDescription deployment = context.getEvent().getDeployment();
try
{
context.proceed();
}
catch (Exception e)
{
if(deployment.getExpectedException() == null)
{
throw e;
}
}
}
*/
private boolean containsType(Throwable exception, Class<? extends Exception> expectedType)
{
Throwable transformedException = transform(exception);
if(transformedException == null)
{
return false;
}
if(expectedType.isAssignableFrom(transformedException.getClass()))
{
return true;
}
return containsType(transformedException.getCause(), expectedType);
}
private Throwable transform(Throwable exception)
{
Throwable toBeTransformed = exception;
if(exception instanceof DeploymentException)
{
toBeTransformed = exception.getCause();
}
Collection<DeploymentExceptionTransformer> transformers = serviceLoader.get().all(DeploymentExceptionTransformer.class);
for(DeploymentExceptionTransformer transformer : transformers)
{
Throwable transformed = transformer.transform(toBeTransformed);
if(transformed != null)
{
return transformed;
}
}
return toBeTransformed;
}
}