/*
* 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.spi.deployer.helpers;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.structure.spi.DeploymentUnit;
/**
* AbstractComponentDeployer.
*
* @param <D> the deployment type
* @param <C> the component type
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @version $Revision: 1.1 $
*/
public abstract class AbstractComponentDeployer<D, C> extends AbstractRealDeployerWithInput<D>
{
/** The component visitor */
protected DeploymentVisitor<C> compVisitor;
/**
* Create a new AbstractComponentDeployer.
*/
public AbstractComponentDeployer()
{
setAllInputs(true);
}
@SuppressWarnings("unchecked")
public Class<? extends C> getOutput()
{
Class<?> output = super.getOutput();
if (output == null)
throw new IllegalStateException("No output for " + this);
return (Class<? extends C>) output;
}
/**
* Set the component visitor
*
* @param visitor the visitor
* @throws IllegalArgumentException if the visitor is null
*/
protected void setComponentVisitor(DeploymentVisitor<C> visitor)
{
if (visitor == null)
throw new IllegalArgumentException("Null visitor");
this.compVisitor = visitor;
Class<C> componentType = visitor.getVisitorType();
if (componentType == null)
throw new IllegalArgumentException("Null visitor type");
setOutput(componentType);
addInput(componentType);
}
public void internalDeploy(DeploymentUnit unit) throws DeploymentException
{
super.internalDeploy(unit);
try
{
deployComponents(unit);
}
catch (Throwable t)
{
super.internalUndeploy(unit);
throw DeploymentException.rethrowAsDeploymentException("Error deploying: " + unit.getName(), t);
}
}
public void internalUndeploy(DeploymentUnit unit)
{
undeployComponents(unit);
super.internalUndeploy(unit);
}
protected void deployComponents(DeploymentUnit unit) throws DeploymentException
{
if (compVisitor == null)
return;
deploy(unit, compVisitor);
}
protected void undeployComponents(DeploymentUnit unit)
{
undeploy(unit, compVisitor);
}
}