content: /**
   * 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.aries.blueprint.itests.cm;
  
  import static org.ops4j.pax.exam.CoreOptions.keepCaches;
  import static org.ops4j.pax.exam.CoreOptions.streamBundle;
  import static org.ops4j.pax.exam.CoreOptions.systemProperty;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.Map;
  
  import org.apache.aries.blueprint.itests.Helper;
  import org.junit.After;
  import org.junit.Before;
  import org.ops4j.pax.exam.Option;
  import org.osgi.framework.BundleContext;
  import org.osgi.framework.BundleException;
  import org.osgi.framework.Constants;
  import org.osgi.framework.ServiceEvent;
  import org.osgi.framework.ServiceReference;
  import org.osgi.framework.ServiceRegistration;
  import org.osgi.framework.hooks.service.EventListenerHook;
  import org.osgi.framework.hooks.service.FindHook;
  
  /**
   * Shows that the cm bundle can process config even if the events are hidden from it
   * when the property to use the system bundle context is set
   */
  @SuppressWarnings({"unchecked", "rawtypes"})
  public class ManagedServiceFactoryUseSystemBundleTest extends ManagedServiceFactoryTest {
      private static final String CM_BUNDLE = "org.apache.aries.blueprint.cm";
  
      @org.ops4j.pax.exam.Configuration
      public Option[] config() {
          return new Option[] {
              baseOptions(),
              systemProperty("org.apache.aries.blueprint.use.system.context").value("true"),
              Helper.blueprintBundles(), //
              keepCaches(), //
              streamBundle(testBundle())
          };
      }
  
      ServiceRegistration eventHook;
      ServiceRegistration findHook;
  
      @Before
      public void regiserHook() throws BundleException {
          context().getBundleByName(CM_BUNDLE).stop();
          final BundleContext systemContext = context().getBundle(Constants.SYSTEM_BUNDLE_LOCATION)
              .getBundleContext();
          eventHook = context().registerService(EventListenerHook.class, new EventListenerHook() {
              public void event(ServiceEvent event, Map contexts) {
                  if (CM_BUNDLE.equals(event.getServiceReference().getBundle().getSymbolicName())) {
                      // hide from everything but the system bundle
                      // TODO on R6 we should be able to even try hiding from the system bundle
                      // R5 it was not clear if hooks could hide from the system bundle
                      // equinox R5 does allow hiding from system bundle
                      contexts.keySet().retainAll(Collections.singleton(systemContext));
                  }
              }
  
          }, null);
          findHook = context().registerService(FindHook.class, new FindHook() {
              public void find(BundleContext context, String arg1, String arg2, boolean arg3,
                               Collection references) {
                  // hide from everything but the system bundle
                  // TODO on R6 we should be able to even try hiding from the system bundle
                  // R5 it was not clear if hooks could hide from the system bundle
                  // equinox R5 does allow hiding from system bundle
                  if (!context.equals(systemContext)) {
                      for (Iterator<ServiceReference> iReferences = references.iterator(); iReferences
                          .hasNext();) {
                          if (CM_BUNDLE.equals(iReferences.next().getBundle().getSymbolicName())) {
                              iReferences.remove();
                          }
                      }
                  }
              }
  
          }, null);
          context().getBundleByName(CM_BUNDLE).start();
      }
  
      @After
      public void unregisterHook() {
          eventHook.unregister();
          findHook.unregister();
      }
  
  }
  