/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIESOR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.aries.subsystem.obr.internal;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.felix.bundlerepository.RepositoryAdmin;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.repository.Repository;
import org.osgi.util.tracker.ServiceTracker;
public class Activator implements BundleActivator {
private final Map<ServiceReference<RepositoryAdmin>, ServiceRegistration<Repository>> registrations = Collections.synchronizedMap(new HashMap<ServiceReference<RepositoryAdmin>, ServiceRegistration<Repository>>());
private ServiceTracker<RepositoryAdmin, RepositoryAdmin> tracker;
@Override
public void start(final BundleContext context) {
tracker = new ServiceTracker<RepositoryAdmin, RepositoryAdmin>(context, RepositoryAdmin.class.getName(), null) {
@Override
public RepositoryAdmin addingService(ServiceReference<RepositoryAdmin> reference) {
registrations.put(reference, context.registerService(
Repository.class,
new RepositoryAdminRepository(context.getService(reference)),
null));
return super.addingService(reference);
}
@Override
public void removedService(ServiceReference<RepositoryAdmin> reference, RepositoryAdmin service) {
ServiceRegistration<Repository> registration = registrations.get(reference);
if (registration == null)
return;
registration.unregister();
super.removedService(reference, service);
}
};
tracker.open();
}
@Override
public void stop(BundleContext context) {
tracker.close();
}
}