/*
* 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.weld.integration.deployer.metadata;
import org.jboss.classloading.spi.metadata.ClassLoadingMetaData;
import org.jboss.classloading.spi.metadata.ExportAll;
import org.jboss.classloading.spi.version.Version;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.vfs.VirtualFile;
import java.util.Collection;
/**
* Handle classloading metadata creation.
*
* @param <T> exact metadata type
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public abstract class WeldClassloadingDeployer<T> extends WeldAwareMetadataDeployer<T>
{
/** Whether to isolated deployments */
private boolean isolated = true;
protected WeldClassloadingDeployer(Class<T> input)
{
super(input, false);
addInput(ClassLoadingMetaData.class);
addOutput(ClassLoadingMetaData.class);
}
protected void internalDeploy(VFSDeploymentUnit unit, T deployment, Collection<VirtualFile> wbXml) throws DeploymentException
{
ClassLoadingMetaData classLoadingMetaData = unit.getAttachment(ClassLoadingMetaData.class);
if (classLoadingMetaData != null)
return;
if (isClassLoadingMetadataPresent(deployment))
return;
if (isIsolated(unit, wbXml) == false)
return;
String domain = getJMXName(deployment, unit) + ",extension=LoaderRepository";
classLoadingMetaData = new ClassLoadingMetaData();
classLoadingMetaData.setName(unit.getName());
classLoadingMetaData.setDomain(domain);
classLoadingMetaData.setExportAll(ExportAll.NON_EMPTY);
classLoadingMetaData.setImportAll(true);
classLoadingMetaData.setVersion(Version.DEFAULT_VERSION);
classLoadingMetaData.setJ2seClassLoadingCompliance(false);
unit.addAttachment(ClassLoadingMetaData.class, classLoadingMetaData);
}
/**
* Is cl metadata already present.
*
* @param deployment the metadata deployment
* @return true if cl metadata already exists
*/
protected abstract boolean isClassLoadingMetadataPresent(T deployment);
/**
* Should we isolate deployment.
*
* @param unit the deployment unit
* @param wbXml weld xml
* @return true is deployment shouold be isolated, false otherwise
*/
protected boolean isIsolated(VFSDeploymentUnit unit, Collection<VirtualFile> wbXml)
{
return isolated;
}
/**
* Get jmx name.
*
* @param metaData the metadata
* @param unit the deployment unit
* @return deployment's jmx name
*/
protected abstract String getJMXName(T metaData, DeploymentUnit unit);
/**
* @param isolated whether ear deployments should be isolated
*/
public void setIsolated(boolean isolated)
{
this.isolated = isolated;
}
}