| /* |
| * 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.sling.serviceusermapping.impl; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceEvent; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.framework.hooks.service.EventListenerHook; |
| import org.osgi.framework.hooks.service.FindHook; |
| import org.osgi.framework.hooks.service.ListenerHook; |
| import org.osgi.service.component.annotations.Component; |
| |
| /** |
| * The <code>ServiceUserMappingBundleFilter</code> only allows the bundle for which the service mapping is available to see it. |
| */ |
| @Component(immediate=true, // framework gets/ungets hooks each time |
| service = {EventListenerHook.class, FindHook.class} ) |
| public class ServiceUserMappedBundleFilter implements EventListenerHook, FindHook { |
| |
| @Override |
| public void event(ServiceEvent serviceEvent, Map map) { |
| |
| ServiceReference serviceReference = serviceEvent.getServiceReference(); |
| if (isServiceMappingReference(serviceReference)) { |
| Object serviceName = serviceReference.getProperty(Mapping.SERVICENAME); |
| |
| if (serviceName != null && serviceName instanceof String) { |
| Iterator<Map.Entry<BundleContext, Collection<ListenerHook.ListenerInfo>>> it = map.entrySet().iterator(); |
| while (it.hasNext()) { |
| BundleContext ctx = it.next().getKey(); |
| |
| String bundleServiceName = ServiceUserMapperImpl.getServiceName(ctx.getBundle()); |
| if (!serviceName.equals(bundleServiceName)) { |
| it.remove(); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void find(BundleContext bundleContext, String name, String filter, boolean allServices, |
| Collection references) { |
| String bundleServiceName = ServiceUserMapperImpl.getServiceName(bundleContext.getBundle()); |
| |
| Iterator<ServiceReference> it = references.iterator(); |
| while (it.hasNext()) { |
| ServiceReference serviceReference = it.next(); |
| if (isServiceMappingReference(serviceReference)) { |
| Object serviceName = serviceReference.getProperty(Mapping.SERVICENAME); |
| |
| if (serviceName != null && !serviceName.equals(bundleServiceName)) { |
| it.remove(); |
| } |
| } |
| } |
| } |
| |
| private static boolean isServiceMappingReference(ServiceReference serviceReference) { |
| Object objectClass = serviceReference.getProperty(Constants.OBJECTCLASS); |
| for (Object o : (Object[]) objectClass) { |
| if (ServiceUserMappedImpl.SERVICEUSERMAPPED.equals(o)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| |
| } |