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DeploymentRootMountProcessor.java
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DeploymentRootMountProcessor.java
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/*
* 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 static org.xnio.IoUtils.safeClose;
import java.io.Closeable;
import java.io.IOException;
import org.jboss.as.server.logging.ServerLogger;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentMountProvider;
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.as.server.deployment.ExplodedDeploymentMarker;
import org.jboss.as.server.deployment.MountExplodedMarker;
import org.jboss.as.server.deployment.MountType;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
/**
* Deployment processor responsible for mounting and attaching the resource root for this deployment.
*
* @author John Bailey
*/
public class DeploymentRootMountProcessor implements DeploymentUnitProcessor {
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
if(deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT) != null) {
return;
}
final DeploymentMountProvider deploymentMountProvider = deploymentUnit.getAttachment(Attachments.SERVER_DEPLOYMENT_REPOSITORY);
if(deploymentMountProvider == null) {
throw ServerLogger.ROOT_LOGGER.noDeploymentRepositoryAvailable();
}
final String deploymentName = deploymentUnit.getName();
final VirtualFile deploymentContents = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_CONTENTS);
// internal deployments do not have any contents, so there is nothing to mount
if (deploymentContents == null)
return;
final VirtualFile deploymentRoot;
final MountHandle mountHandle;
if (deploymentContents.isDirectory()) {
// use the contents directly
deploymentRoot = deploymentContents;
// nothing was mounted
mountHandle = null;
ExplodedDeploymentMarker.markAsExplodedDeployment(deploymentUnit);
} else {
// The mount point we will use for the repository file
deploymentRoot = VFS.getChild("content/" + deploymentName);
boolean failed = false;
Closeable handle = null;
try {
final boolean mountExploded = MountExplodedMarker.isMountExploded(deploymentUnit);
final MountType type;
if(mountExploded) {
type = MountType.EXPANDED;
} else if (deploymentName.endsWith(".xml")) {
type = MountType.REAL;
} else {
type = MountType.ZIP;
}
handle = deploymentMountProvider.mountDeploymentContent(deploymentContents, deploymentRoot, type);
mountHandle = MountHandle.create(handle);
} catch (IOException e) {
failed = true;
throw ServerLogger.ROOT_LOGGER.deploymentMountFailed(e);
} finally {
if (failed) {
safeClose(handle);
}
}
}
final ResourceRoot resourceRoot = new ResourceRoot(deploymentRoot, mountHandle);
ModuleRootMarker.mark(resourceRoot);
deploymentUnit.putAttachment(Attachments.DEPLOYMENT_ROOT, resourceRoot);
deploymentUnit.putAttachment(Attachments.MODULE_SPECIFICATION, new ModuleSpecification());
}
public void undeploy(DeploymentUnit context) {
final ResourceRoot resourceRoot = context.removeAttachment(Attachments.DEPLOYMENT_ROOT);
if (resourceRoot != null) {
final Closeable mountHandle = resourceRoot.getMountHandle();
safeClose(mountHandle);
}
}
}