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/*******************************************************************************
* Copyright (c) 2007, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.artifact.repository;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
import org.osgi.framework.*;
import org.osgi.util.tracker.ServiceTracker;
import org.osgi.util.tracker.ServiceTrackerCustomizer;
public class Activator implements BundleActivator, ServiceTrackerCustomizer {
public static final String ID = "org.eclipse.equinox.p2.artifact.repository"; //$NON-NLS-1$
public static final String REPO_PROVIDER_XPT = ID + '.' + "artifactRepositories"; //$NON-NLS-1$
private static BundleContext context;
private ServiceRegistration repositoryManagerRegistration;
private static final Map<ArtifactRepositoryManager, IProvisioningAgent> createdManagers = new HashMap<ArtifactRepositoryManager, IProvisioningAgent>();
private ServiceTracker agentTracker;
public static BundleContext getContext() {
return Activator.context;
}
/**
* Remember an artifact repository manager so we can shut it down when the bundle stops
*/
static void addManager(ArtifactRepositoryManager manager, IProvisioningAgent agent) {
synchronized (createdManagers) {
createdManagers.put(manager, agent);
}
}
public void start(BundleContext aContext) throws Exception {
Activator.context = aContext;
// need to track agent so we can register global artifact repository manager
String filter = "(&(objectClass=" + IProvisioningAgent.SERVICE_NAME + ")(agent.current=true))"; //$NON-NLS-1$ //$NON-NLS-2$
agentTracker = new ServiceTracker(context, aContext.createFilter(filter), this);
agentTracker.open();
}
public void stop(BundleContext aContext) throws Exception {
Activator.context = null;
if (repositoryManagerRegistration != null)
repositoryManagerRegistration.unregister();
repositoryManagerRegistration = null;
synchronized (createdManagers) {
for (ArtifactRepositoryManager manager : createdManagers.keySet()) {
manager.shutdown();
IProvisioningAgent agent = createdManagers.get(manager);
agent.unregisterService(IArtifactRepositoryManager.SERVICE_NAME, manager);
}
createdManagers.clear();
}
agentTracker.close();
}
public Object addingService(ServiceReference reference) {
//when someone registers the agent service, register a repository manager service
IProvisioningAgent agent = (IProvisioningAgent) context.getService(reference);
repositoryManagerRegistration = context.registerService(IArtifactRepositoryManager.SERVICE_NAME, agent.getService(IArtifactRepositoryManager.SERVICE_NAME), null);
return agent;
}
public void modifiedService(ServiceReference reference, Object service) {
// ignored
}
public void removedService(ServiceReference reference, Object service) {
//the agent is going away so withdraw our service
if (repositoryManagerRegistration != null) {
repositoryManagerRegistration.unregister();
repositoryManagerRegistration = null;
}
}
}
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