/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.as.server.deployment.module;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.marshalling.reflect.SerializableClassRegistry;
import org.jboss.modules.Module;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.List;
/**
* Deployment unit processor that will extract module dependencies from an archive.
*
* @author John E. Bailey
* @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a>
*/
public final class ModuleDependencyProcessor implements DeploymentUnitProcessor {
private static final SerializableClassRegistry REGISTRY;
static {
REGISTRY = AccessController.doPrivileged(new PrivilegedAction<SerializableClassRegistry>() {
public SerializableClassRegistry run() {
return SerializableClassRegistry.getInstance();
}
});
}
/**
* Process the deployment root for module dependency information.
*
* @param phaseContext the deployment unit context
* @throws DeploymentUnitProcessingException
*/
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final ModuleSpecification moduleSpecification = deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
moduleSpecification.addUserDependencies(deploymentUnit.getAttachmentList(Attachments.MANIFEST_DEPENDENCIES));
if (deploymentUnit.getParent() != null) {
// propagate parent manifest dependencies
final List<ModuleDependency> parentDependencies = deploymentUnit.getParent().getAttachmentList(Attachments.MANIFEST_DEPENDENCIES);
moduleSpecification.addUserDependencies(parentDependencies);
}
}
public void undeploy(final DeploymentUnit context) {
final Module module = context.getAttachment(Attachments.MODULE);
if (module != null) {
REGISTRY.release(module.getClassLoader());
}
}
}