/*
* JBoss, Home of Professional Open Source
* Copyright 2008, 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.ejb.deployers;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.kernel.spi.deployment.KernelDeployment;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeansMetaData;
import org.jboss.metadata.ejb.jboss.JBossMessageDrivenBeanMetaData;
import org.jboss.metadata.ejb.jboss.JBossMetaData;
import org.jboss.system.metadata.ServiceMetaData;
/**
* CreateDestinationDeployer.
*
* FIXME This should be a component deployer but the ejb deployment is currently componentised
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 85945 $
*/
public class CreateDestinationDeployer extends AbstractSimpleRealDeployer<JBossMetaData>
{
/** The factories */
private List<CreateDestination> factories = new CopyOnWriteArrayList<CreateDestination>();
/**
* Create a new CreateDestinationDeployer.
*/
public CreateDestinationDeployer()
{
super(JBossMetaData.class);
setOutput(JBossMetaData.class);
setOutput(ServiceMetaData.class);
setOutput(KernelDeployment.class);
}
/**
* Add a create destination
*
* @param factory the factory
* @throws IllegalArgumentException for a null factory
*/
public void addCreateDestination(CreateDestination factory)
{
if (factory == null)
throw new IllegalArgumentException("Null factory");
factories.add(factory);
}
/**
* Remove a create destination
*
* @param factory the factory
* @throws IllegalArgumentException for a null factory
*/
public void removeCreateDestination(CreateDestination factory)
{
if (factory == null)
throw new IllegalArgumentException("Null factory");
factories.add(factory);
}
public void deploy(DeploymentUnit unit, JBossMetaData deployment) throws DeploymentException
{
if (factories.isEmpty())
return;
JBossEnterpriseBeansMetaData beans = deployment.getEnterpriseBeans();
if (beans != null && beans.isEmpty() == false)
{
ArrayList<JBossMessageDrivenBeanMetaData> deployed = new ArrayList<JBossMessageDrivenBeanMetaData>();
for (JBossEnterpriseBeanMetaData bean : beans)
{
if (bean.isMessageDriven())
{
try
{
JBossMessageDrivenBeanMetaData messageDriven = (JBossMessageDrivenBeanMetaData) bean;
if (isCreateDestination(unit, messageDriven))
{
deploy(unit, messageDriven);
deployed.add(messageDriven);
}
}
catch (Exception e)
{
if (deployed.isEmpty() == false)
{
for (JBossMessageDrivenBeanMetaData messageDriven : deployed)
{
try
{
undeploy(unit, messageDriven);
}
catch (Exception t)
{
log.warn("Error undeploying destination: " + messageDriven.getName(), t);
}
}
}
throw DeploymentException.rethrowAsDeploymentException("Error deploying destination" + bean.getName(), e);
}
}
}
}
}
public void undeploy(DeploymentUnit unit, JBossMetaData deployment)
{
if (factories.isEmpty())
return;
JBossEnterpriseBeansMetaData beans = deployment.getEnterpriseBeans();
if (beans != null && beans.isEmpty() == false)
{
for (JBossEnterpriseBeanMetaData bean : beans)
{
if (bean.isMessageDriven())
{
try
{
JBossMessageDrivenBeanMetaData messageDriven = (JBossMessageDrivenBeanMetaData) bean;
if (isCreateDestination(unit, messageDriven))
undeploy(unit, messageDriven);
}
catch (Exception e)
{
log.warn("Error undeploying destination" + bean.getName(), e);
}
}
}
}
}
/**
* Deploy a message driven bean
*
* @param unit the deployment unit
* @param mdb the mdb
* @throws DeploymentException for any error
*/
protected void deploy(DeploymentUnit unit, JBossMessageDrivenBeanMetaData mdb) throws DeploymentException
{
for (CreateDestination createDestination : factories)
{
if (createDestination.getMatcher().isMatch(unit, mdb))
{
Object attachment = createDestination.getFactory().create(unit, mdb);
if (attachment != null)
{
unit.addAttachment(getAttachmentName(unit, mdb), attachment);
return;
}
}
}
}
/**
* Undeploy a message driven bean
*
* @param unit the deployment unit
* @param mdb the mdb
* @throws DeploymentException for any error
*/
protected void undeploy(DeploymentUnit unit, JBossMessageDrivenBeanMetaData mdb) throws DeploymentException
{
unit.removeAttachment(getAttachmentName(unit, mdb));
}
/**
* Whether we should create a destination for this MDB
*
* @param unit the deployment unit
* @param mdb the message driven metadata
* @return true to create a destination
* @throws DeploymentException for any error
*/
protected boolean isCreateDestination(DeploymentUnit unit, JBossMessageDrivenBeanMetaData mdb) throws DeploymentException
{
return mdb.isCreateDestination();
}
/**
* Get the attachment name
*
* @param unit the unit
* @param mdb the mdb
* @return the attachment name
*/
protected String getAttachmentName(DeploymentUnit unit, JBossMessageDrivenBeanMetaData mdb)
{
return mdb.getName() + "##Create_Destination";
}
}