/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.deployers.plugins.deployers;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.Deployer;
import org.jboss.deployers.spi.deployer.DeploymentStage;
import org.jboss.deployers.spi.deployer.managed.ManagedObjectCreator;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.deployers.structure.spi.helpers.DeployerTracking;
import org.jboss.logging.Logger;
import org.jboss.managed.api.ManagedObject;
/**
* DeployerWrapper.<p>
*
* To avoid any problems with error handling by the deployers.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
public class DeployerWrapper implements Deployer, ManagedObjectCreator
{
/** The log */
private Logger log;
/** The deployer */
private Deployer deployer;
/** The managed object creator */
private ManagedObjectCreator managedObjectCreator;
/** The context classloader of the person registering the deployer */
private ClassLoader classLoader;
/**
* Create a new DeployerWrapper.
*
* @param deployer the deployer
*/
public DeployerWrapper(Deployer deployer)
{
if (deployer == null)
throw new IllegalArgumentException("Null deployer");
this.deployer = deployer;
if (deployer instanceof ManagedObjectCreator)
this.managedObjectCreator = (ManagedObjectCreator) deployer;
this.log = Logger.getLogger(deployer.getClass());
this.classLoader = SecurityActions.getContextClassLoader();
}
/**
* Get the managedObjectCreator.
*
* @return the managedObjectCreator.
*/
public ManagedObjectCreator getManagedObjectCreator()
{
return managedObjectCreator;
}
/**
* Set the managedObjectCreator.
*
* @param managedObjectCreator the managedObjectCreator.
*/
public void setManagedObjectCreator(ManagedObjectCreator managedObjectCreator)
{
this.managedObjectCreator = managedObjectCreator;
}
public int getRelativeOrder()
{
return deployer.getRelativeOrder();
}
public void setRelativeOrder(int order)
{
deployer.setRelativeOrder(order);
}
public boolean isAllInputs()
{
return deployer.isAllInputs();
}
public boolean isComponentsOnly()
{
return deployer.isComponentsOnly();
}
public boolean isWantComponents()
{
return deployer.isWantComponents();
}
public boolean isTopLevelOnly()
{
return deployer.isTopLevelOnly();
}
public Class<?> getInput()
{
return deployer.getInput();
}
public Class<?> getOutput()
{
return deployer.getOutput();
}
public Set<String> getInputs()
{
Set<String> result = deployer.getInputs();
if (result == null)
return Collections.emptySet();
return result;
}
public Set<String> getOutputs()
{
Set<String> result = deployer.getOutputs();
if (result == null)
return Collections.emptySet();
return result;
}
public DeploymentStage getStage()
{
return deployer.getStage();
}
public boolean isParentFirst()
{
return deployer.isParentFirst();
}
public void deploy(DeploymentUnit unit) throws DeploymentException
{
if (unit == null)
throw new IllegalArgumentException("Null unit");
DeployerTracking.push(deployer.toString());
ClassLoader previous = SecurityActions.setContextClassLoader(classLoader);
try
{
log.trace("Deploying: " + unit.getName());
deployer.deploy(unit);
log.trace("Deployed: " + unit.getName());
}
catch (Throwable t)
{
log.debug("Error during deploy: " + unit.getName(), t);
throw DeploymentException.rethrowAsDeploymentException("Error during deploy: " + unit.getName(), t);
}
finally
{
DeployerTracking.pop();
SecurityActions.resetContextClassLoader(previous);
}
}
public void undeploy(DeploymentUnit unit)
{
if (unit == null)
throw new IllegalArgumentException("Null unit");
DeployerTracking.push(deployer.toString());
ClassLoader previous = SecurityActions.setContextClassLoader(classLoader);
try
{
log.trace("Undeploying: " + unit.getName());
deployer.undeploy(unit);
log.trace("Undeployed: " + unit.getName());
}
catch (Throwable t)
{
log.error("Error during undeploy: " + unit.getName(), t);
}
finally
{
DeployerTracking.pop();
SecurityActions.resetContextClassLoader(previous);
}
}
public void build(DeploymentUnit unit, Set<String> outputs,
Map<String, ManagedObject> managedObjects)
throws DeploymentException
{
ClassLoader previous = SecurityActions.setContextClassLoader(classLoader);
try
{
ManagedObjectCreator creator = getManagedObjectCreator();
if (creator != null)
{
creator.build(unit, outputs, managedObjects);
}
}
catch (Throwable t)
{
throw DeploymentException.rethrowAsDeploymentException("Error building managed objects for " + unit.getName(), t);
}
finally
{
SecurityActions.resetContextClassLoader(previous);
}
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
return true;
if (obj == null || obj instanceof Deployer == false)
return false;
if (obj instanceof DeployerWrapper)
obj = ((DeployerWrapper) obj).deployer;
return deployer.equals(obj);
}
@Override
public int hashCode()
{
return deployer.hashCode();
}
@Override
public String toString()
{
return deployer.toString();
}
}