| /* |
| * 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 WARRANTIES OR 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.felix.scr.impl.compat; |
| |
| |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.felix.scr.ScrInfo; |
| import org.apache.felix.scr.ScrService; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.component.runtime.ServiceComponentRuntime; |
| import org.osgi.util.tracker.ServiceTracker; |
| import org.osgi.util.tracker.ServiceTrackerCustomizer; |
| |
| |
| public class Activator |
| { |
| // tracker of the runtime service |
| private volatile ServiceTracker<ServiceComponentRuntime, ServiceComponentRuntime> runtimeTracker; |
| |
| // tracker of the new ScrInfoservice |
| private volatile ServiceTracker<org.apache.felix.scr.info.ScrInfo, org.apache.felix.scr.info.ScrInfo> infoTracker; |
| |
| // the service registrations |
| private final Map<Long, ServiceRegistration<ScrService>> scrServiceRegMap = new ConcurrentHashMap<Long, ServiceRegistration<ScrService>>(); |
| |
| // the service registrations |
| private final Map<Long, ServiceRegistration<ScrInfo>> scrCommandRegMap = new ConcurrentHashMap<Long, ServiceRegistration<ScrInfo>>(); |
| |
| public void start( final BundleContext context ) throws Exception |
| { |
| this.runtimeTracker = new ServiceTracker<ServiceComponentRuntime, ServiceComponentRuntime>(context, ServiceComponentRuntime.class, |
| new ServiceTrackerCustomizer<ServiceComponentRuntime, ServiceComponentRuntime>() |
| { |
| |
| public ServiceComponentRuntime addingService( |
| final ServiceReference<ServiceComponentRuntime> reference) |
| { |
| final ServiceComponentRuntime runtime = context.getService(reference); |
| if ( runtime != null ) |
| { |
| final Dictionary<String, Object> props = new Hashtable<String, Object>(); |
| props.put(Constants.SERVICE_DESCRIPTION, "Apache Felix Compat ScrService"); |
| props.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation"); |
| |
| final ScrService service = new ScrServiceImpl(context, runtime); |
| scrServiceRegMap.put((Long)reference.getProperty(Constants.SERVICE_ID), |
| context.registerService(ScrService.class, service, props)); |
| } |
| return runtime; |
| } |
| |
| public void modifiedService( |
| final ServiceReference<ServiceComponentRuntime> reference, |
| final ServiceComponentRuntime service) { |
| // nothing to do |
| } |
| |
| public void removedService( |
| final ServiceReference<ServiceComponentRuntime> reference, |
| final ServiceComponentRuntime service) { |
| final ServiceRegistration<ScrService> reg = scrServiceRegMap.remove(reference.getProperty(Constants.SERVICE_ID)); |
| if ( reg != null ) |
| { |
| reg.unregister(); |
| } |
| context.ungetService(reference); |
| } |
| }); |
| this.runtimeTracker.open(); |
| this.infoTracker = new ServiceTracker<org.apache.felix.scr.info.ScrInfo, org.apache.felix.scr.info.ScrInfo>(context, org.apache.felix.scr.info.ScrInfo.class, |
| new ServiceTrackerCustomizer<org.apache.felix.scr.info.ScrInfo, org.apache.felix.scr.info.ScrInfo>() |
| { |
| |
| public org.apache.felix.scr.info.ScrInfo addingService( |
| final ServiceReference<org.apache.felix.scr.info.ScrInfo> reference) |
| { |
| final org.apache.felix.scr.info.ScrInfo runtime = context.getService(reference); |
| if ( runtime != null ) |
| { |
| final Dictionary<String, Object> props = new Hashtable<String, Object>(); |
| props.put(Constants.SERVICE_DESCRIPTION, "Apache Felix Compat SCR Info service"); |
| props.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation"); |
| |
| final ScrInfo info = new ScrCommand(runtime); |
| scrCommandRegMap.put((Long)reference.getProperty(Constants.SERVICE_ID), |
| context.registerService(ScrInfo.class, info, props)); |
| } |
| return runtime; |
| } |
| |
| public void modifiedService( |
| final ServiceReference<org.apache.felix.scr.info.ScrInfo> reference, |
| final org.apache.felix.scr.info.ScrInfo service) { |
| // nothing to do |
| } |
| |
| public void removedService( |
| final ServiceReference<org.apache.felix.scr.info.ScrInfo> reference, |
| final org.apache.felix.scr.info.ScrInfo service) { |
| final ServiceRegistration<ScrInfo> reg = scrCommandRegMap.remove(reference.getProperty(Constants.SERVICE_ID)); |
| if ( reg != null ) |
| { |
| reg.unregister(); |
| } |
| context.ungetService(reference); |
| } |
| }); |
| this.infoTracker.open(); |
| } |
| |
| public void stop(final BundleContext context) throws Exception |
| { |
| if ( this.infoTracker != null ) |
| { |
| this.infoTracker.close(); |
| this.infoTracker = null; |
| } |
| if ( this.runtimeTracker != null ) |
| { |
| this.runtimeTracker.close(); |
| this.runtimeTracker = null; |
| } |
| } |
| } |