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/*******************************************************************************
* Copyright (c) 2007, 2009 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
* Cloudsmith Inc - additional implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.metadata.repository;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
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.metadata.repository"; //$NON-NLS-1$
public static final String REPO_PROVIDER_XPT = ID + '.' + "metadataRepositories"; //$NON-NLS-1$
private static BundleContext bundleContext;
//hack - currently set by MetadataRepositoryComponent
static CacheManager cacheManager;
private ServiceRegistration repositoryManagerRegistration;
private ServiceTracker tracker;
public static BundleContext getContext() {
return bundleContext;
}
public static CacheManager getCacheManager() {
return cacheManager;
}
public Object addingService(ServiceReference reference) {
if (repositoryManagerRegistration == null) {
//TODO: eventually we shouldn't register a singleton manager automatically
IProvisioningAgent agent = (IProvisioningAgent) bundleContext.getService(reference);
IMetadataRepositoryManager manager = (MetadataRepositoryManager) agent.getService(IMetadataRepositoryManager.SERVICE_NAME);
repositoryManagerRegistration = bundleContext.registerService(IMetadataRepositoryManager.SERVICE_NAME, manager, null);
return agent;
}
return null;
}
public void modifiedService(ServiceReference reference, Object service) {
// nothing to do
}
public void removedService(ServiceReference reference, Object service) {
if (repositoryManagerRegistration != null) {
repositoryManagerRegistration.unregister();
repositoryManagerRegistration = null;
}
}
public void start(BundleContext aContext) throws Exception {
bundleContext = aContext;
//only want to register a service for the agent of the currently running system
String filter = "(&(objectClass=" + IProvisioningAgent.SERVICE_NAME + ")(agent.current=true))"; //$NON-NLS-1$ //$NON-NLS-2$
tracker = new ServiceTracker(aContext, aContext.createFilter(filter), this);
tracker.open();
}
public void stop(BundleContext aContext) throws Exception {
if (tracker != null) {
tracker.close();
tracker = null;
}
bundleContext = null;
}
}
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