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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.osgi.deployment;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import org.jboss.as.deployment.DeploymentService;
import org.jboss.as.deployment.unit.DeploymentUnitContext;
import org.jboss.as.osgi.service.FrameworkService;
import org.jboss.as.osgi.service.PackageAdminService;
import org.jboss.logging.Logger;
import org.jboss.msc.service.AbstractServiceListener;
import org.jboss.msc.service.BatchBuilder;
import org.jboss.msc.service.BatchServiceBuilder;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.osgi.deployment.deployer.DeployerService;
import org.jboss.osgi.deployment.deployer.Deployment;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.ServiceReference;
import org.osgi.service.packageadmin.PackageAdmin;
/**
* Service responsible for creating and managing the life-cycle of an OSGi deployment.
*
* @author Thomas.Diesler@jboss.com
* @since 20-Sep-2010
*/
public class OSGiDeploymentService implements Service<Deployment> {
private static final Logger log = Logger.getLogger("org.jboss.as.osgi");
private static final OSGiDeploymentListener listener = new OSGiDeploymentListener();
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("osgi", "deployment");
public static boolean enableListener = true;
private final Deployment deployment;
private InjectedValue<BundleContext> injectedContext = new InjectedValue<BundleContext>();
private OSGiDeploymentService(Deployment deployment) {
this.deployment = deployment;
}
public static void addService(DeploymentUnitContext context) {
// Attach the {@link DeploymentService} name so we remove that service on Bundle.uninstall()
ServiceName deploymentServiceName = DeploymentService.getServiceName(context.getName());
Deployment deployment = DeploymentAttachment.getDeploymentAttachment(context);
deployment.addAttachment(ServiceName.class, deploymentServiceName);
BatchBuilder batchBuilder = context.getBatchBuilder();
OSGiDeploymentService service = new OSGiDeploymentService(deployment);
ServiceName serviceName = OSGiDeploymentService.SERVICE_NAME.append(deploymentServiceName.getSimpleName());
BatchServiceBuilder<Deployment> serviceBuilder = batchBuilder.addService(serviceName, service);
serviceBuilder.addDependency(FrameworkService.SERVICE_NAME, BundleContext.class, service.injectedContext);
serviceBuilder.addDependency(PackageAdminService.SERVICE_NAME);
serviceBuilder.addDependency(deploymentServiceName);
serviceBuilder.setInitialMode(Mode.ACTIVE);
if (enableListener)
serviceBuilder.addListener(listener);
}
/**
* Install the Bundle associated with this deployment.
*
* @param context The start context
*/
public synchronized void start(StartContext context) throws StartException {
// Get the OSGi system context
ServiceController<?> controller = context.getController();
ServiceContainer serviceContainer = controller.getServiceContainer();
// Make sure the Framework does not shut down when the last bundle gets removed
ServiceController<?> frameworkController = serviceContainer.getService(FrameworkService.SERVICE_NAME);
frameworkController.setMode(Mode.ACTIVE);
log.tracef("Installing deployment: %s", deployment);
try {
boolean autoStart = deployment.isAutoStart();
deployment.setAutoStart(false);
Bundle bundle = getDeployerService().deploy(deployment);
deployment.addAttachment(Bundle.class, bundle);
deployment.setAutoStart(autoStart);
} catch (Throwable t) {
throw new StartException("Failed to install deployment: " + deployment, t);
}
}
/**
* Uninstall the Bundle associated with this deployment.
*
* @param context The stop context.
*/
public synchronized void stop(StopContext context) {
log.tracef("Uninstalling deployment: %s", deployment);
try {
getDeployerService().undeploy(deployment);
} catch (Throwable t) {
log.errorf(t, "Failed to uninstall deployment: %s", deployment);
}
}
@Override
public Deployment getValue() throws IllegalStateException {
return deployment;
}
// Get the OSGi {@link DeployerService}
private DeployerService getDeployerService() {
BundleContext sysContext = injectedContext.getValue();
ServiceReference sref = sysContext.getServiceReference(DeployerService.class.getName());
return (DeployerService) sysContext.getService(sref);
}
static class OSGiDeploymentListener extends AbstractServiceListener<Deployment> {
private final Set<Deployment> startedDeployments = new CopyOnWriteArraySet<Deployment>();
private final Set<Deployment> pendingDeployments = new CopyOnWriteArraySet<Deployment>();
@Override
public void listenerAdded(ServiceController<? extends Deployment> controller) {
pendingDeployments.add(controller.getValue());
}
@Override
public void serviceStarted(ServiceController<? extends Deployment> controller) {
startedDeployments.add(controller.getValue());
processDeployment(controller);
}
@Override
public void serviceFailed(ServiceController<? extends Deployment> controller, StartException reason) {
processDeployment(controller);
}
private void processDeployment(ServiceController<? extends Deployment> controller) {
controller.removeListener(this);
Set<Deployment> bundlesToStart = null;
synchronized (this) {
pendingDeployments.remove(controller.getValue());
if (pendingDeployments.isEmpty()) {
bundlesToStart = new HashSet<Deployment>(startedDeployments);
startedDeployments.clear();
}
}
if (bundlesToStart != null) {
ServiceContainer serviceContainer = controller.getServiceContainer();
PackageAdmin packageAdmin = PackageAdminService.getServiceValue(serviceContainer);
for (Deployment deployment : bundlesToStart) {
Bundle bundle = deployment.getAttachment(Bundle.class);
if (packageAdmin.getBundleType(bundle) != PackageAdmin.BUNDLE_TYPE_FRAGMENT) {
log.tracef("Starting bundle: %s", bundle);
try {
bundle.start();
} catch (BundleException ex) {
log.errorf(ex, "Cannot start bundle: %s", bundle);
}
}
}
}
}
}
}