org.jboss.as.server.deployment.integration.Seam2Processor Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.integration;
import java.io.Closeable;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.jar.JarFile;
import org.jboss.as.server.ServerMessages;
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.as.server.deployment.module.ModuleDependency;
import org.jboss.as.server.deployment.module.ModuleSpecification;
import org.jboss.as.server.deployment.module.MountHandle;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.as.server.deployment.module.TempFileProviderService;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoader;
import org.jboss.modules.ResourceLoader;
import org.jboss.modules.ResourceLoaderSpec;
import org.jboss.modules.ResourceLoaders;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VFSUtils;
import org.jboss.vfs.VirtualFile;
/**
* Recognize Seam deployments and add org.jboss.seam.int module to it.
* @author Ales Justin
*/
public class Seam2Processor implements DeploymentUnitProcessor {
public static final String SEAM_PROPERTIES = "seam.properties";
public static final String SEAM_PROPERTIES_META_INF = "META-INF/" + SEAM_PROPERTIES;
public static final String SEAM_PROPERTIES_WEB_INF = "WEB-INF/classes/" + SEAM_PROPERTIES;
public static final String SEAM_COMPONENTS = "components.xml";
public static final String SEAM_COMPONENTS_META_INF = "META-INF/" + SEAM_COMPONENTS;
public static final String SEAM_COMPONENTS_WEB_INF = "WEB-INF/" + SEAM_COMPONENTS;
public static final String[] SEAM_FILES = new String[] { SEAM_PROPERTIES, SEAM_PROPERTIES_META_INF,
SEAM_PROPERTIES_WEB_INF, SEAM_COMPONENTS_META_INF, SEAM_COMPONENTS_WEB_INF };
public static final String SEAM_INT_JAR = "jboss-seam-int.jar";
public static final ModuleIdentifier EXT_CONTENT_MODULE = ModuleIdentifier.create("org.jboss.integration.ext-content");
public static final ModuleIdentifier VFS_MODULE = ModuleIdentifier.create("org.jboss.vfs");
private ServiceTarget serviceTarget; // service target from the service that added this dup
private ResourceRoot seamIntResourceRoot;
public Seam2Processor(ServiceTarget serviceTarget) {
this.serviceTarget = serviceTarget;
}
/**
* Lookup Seam integration resource loader.
* @return the Seam integration resource loader
* @throws DeploymentUnitProcessingException for any error
*/
protected synchronized ResourceRoot getSeamIntResourceRoot() throws DeploymentUnitProcessingException {
try {
if (seamIntResourceRoot == null) {
final ModuleLoader moduleLoader = Module.getBootModuleLoader();
Module extModule = moduleLoader.loadModule(EXT_CONTENT_MODULE);
URL url = extModule.getExportedResource(SEAM_INT_JAR);
if (url == null)
throw ServerMessages.MESSAGES.noSeamIntegrationJarPresent(extModule);
File file = new File(url.toURI());
VirtualFile vf = VFS.getChild(file.toURI());
final Closeable mountHandle = VFS.mountZip(file, vf, TempFileProviderService.provider());
Service mountHandleService = new Service() {
public void start(StartContext startContext) throws StartException {
}
public void stop(StopContext stopContext) {
VFSUtils.safeClose(mountHandle);
}
public Closeable getValue() throws IllegalStateException, IllegalArgumentException {
return mountHandle;
}
};
ServiceBuilder builder = serviceTarget.addService(ServiceName.JBOSS.append(SEAM_INT_JAR),
mountHandleService);
builder.setInitialMode(ServiceController.Mode.ACTIVE).install();
serviceTarget = null; // our cleanup service install work is done
MountHandle dummy = new MountHandle(null); // actual close is done by the MSC service above
seamIntResourceRoot = new ResourceRoot(vf, dummy);
}
return seamIntResourceRoot;
} catch (Exception e) {
throw new DeploymentUnitProcessingException(e);
}
}
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
if (deploymentUnit.getParent() != null) {
return;
}
final List deploymentUnits = new ArrayList();
deploymentUnits.add(deploymentUnit);
deploymentUnits.addAll(deploymentUnit.getAttachmentList(Attachments.SUB_DEPLOYMENTS));
for (DeploymentUnit unit : deploymentUnits) {
final ResourceRoot mainRoot = unit.getAttachment(Attachments.DEPLOYMENT_ROOT);
if (mainRoot == null)
continue;
VirtualFile root = mainRoot.getRoot();
for (String path : SEAM_FILES) {
if (root.getChild(path).exists()) {
final ModuleSpecification moduleSpecification = deploymentUnit
.getAttachment(Attachments.MODULE_SPECIFICATION);
final ModuleLoader moduleLoader = Module.getBootModuleLoader();
moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, VFS_MODULE, false, false, false,
false)); // for VFS scanner
try {
ResourceLoader resourceLoader = ResourceLoaders.createJarResourceLoader(SEAM_INT_JAR, new JarFile(
getSeamIntResourceRoot().getRoot().getPathName()));
moduleSpecification.addResourceLoader(ResourceLoaderSpec.createResourceLoaderSpec(resourceLoader));
} catch (Exception e) {
throw new DeploymentUnitProcessingException(e);
}
unit.addToAttachmentList(Attachments.RESOURCE_ROOTS, getSeamIntResourceRoot());
return;
}
}
}
}
public void undeploy(DeploymentUnit context) {
}
}