/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.web.tomcat.service.deployers;
import java.util.ArrayList;
import java.util.List;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.spi.deployer.helpers.AbstractDeployer;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.metadata.web.jboss.JBossWebMetaData;
/**
* Adds a dependency on a clustered cache.
*
* @author <a href="brian.stansberry@jboss.com">Brian Stansberry</a>
* @version $Revision: 85945 $
*/
public class ClusteringDependencyDeployer extends AbstractDeployer
{
private String clusterCacheDependency;
/**
* Create a new ClusteringDependencyDeployer.
*
*/
public ClusteringDependencyDeployer()
{
setStage(DeploymentStages.DESCRIBE);
setInput(JBossWebMetaData.class);
setOutput(JBossWebMetaData.class);
}
public void deploy(DeploymentUnit unit) throws DeploymentException
{
JBossWebMetaData metaData = unit.getAttachment(JBossWebMetaData.class);
if( metaData != null && metaData.getDistributable() != null )
{
if (clusterCacheDependency != null)
{
log.debug("Adding dependency on " + clusterCacheDependency + " to " + unit.getName());
List<String> depends = metaData.getDepends();
if (depends == null)
depends = new ArrayList<String>();
if (!depends.contains(clusterCacheDependency))
{
depends.add(clusterCacheDependency);
}
metaData.setDepends(depends);
}
else
{
log.warn("clusterCacheDependency is null; either configure it or remove this deployer");
}
}
}
public String getClusterCacheDependency()
{
return clusterCacheDependency;
}
public void setClusterCacheDependency(String clusterDependency)
{
this.clusterCacheDependency = clusterDependency;
}
}