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.activemq.plugin;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.activemq.broker.region.CompositeDestinationInterceptor;
  import org.apache.activemq.broker.region.DestinationInterceptor;
  import org.apache.activemq.broker.region.RegionBroker;
  import org.apache.activemq.broker.region.virtual.CompositeQueue;
  import org.apache.activemq.broker.region.virtual.CompositeTopic;
  import org.apache.activemq.broker.region.virtual.VirtualDestination;
  import org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor;
  import org.apache.activemq.broker.region.virtual.VirtualTopic;
  import org.apache.activemq.schema.core.DtoCompositeQueue;
  import org.apache.activemq.schema.core.DtoCompositeTopic;
  import org.apache.activemq.schema.core.DtoVirtualDestinationInterceptor;
  import org.apache.activemq.schema.core.DtoVirtualTopic;
  
  public class VirtualDestinationInterceptorProcessor extends DefaultConfigurationProcessor {
  
      public VirtualDestinationInterceptorProcessor(RuntimeConfigurationBroker plugin, Class configurationClass) {
          super(plugin, configurationClass);
      }
  
      @Override
      public void addNew(Object o) {
          final DtoVirtualDestinationInterceptor dto = (DtoVirtualDestinationInterceptor) o;
  
          plugin.addDestinationWork.add(new UpdateVirtualDestinationsTask(plugin) {
  
              @Override
              protected VirtualDestination[] getVirtualDestinations() {
                  return fromDto(dto);
              }
  
          });
  
      }
  
      @Override
      public void remove(Object o) {
          // whack it
          plugin.addDestinationWork.add(new Runnable() {
              @Override
              public void run() {
                  List<DestinationInterceptor> interceptorsList = new ArrayList<DestinationInterceptor>();
                  for (DestinationInterceptor candidate : plugin.getBrokerService().getDestinationInterceptors()) {
                      if (!(candidate instanceof VirtualDestinationInterceptor)) {
                          interceptorsList.add(candidate);
                      }
                  }
                  DestinationInterceptor[] destinationInterceptors = interceptorsList.toArray(new DestinationInterceptor[]{});
                  plugin.getBrokerService().setDestinationInterceptors(destinationInterceptors);
                  ((CompositeDestinationInterceptor) ((RegionBroker) plugin.getBrokerService().getRegionBroker()).getDestinationInterceptor()).setInterceptors(destinationInterceptors);
                  plugin.info("removed VirtualDestinationInterceptor from: " + interceptorsList);
              }
          });
      }
  
      private VirtualDestination[] fromDto(DtoVirtualDestinationInterceptor virtualDestinationInterceptor) {
          List<VirtualDestination> answer = new ArrayList<VirtualDestination>();
          for (Object vd : filter(virtualDestinationInterceptor, DtoVirtualDestinationInterceptor.VirtualDestinations.class)) {
              for (Object vt : filter(vd, DtoVirtualTopic.class)) {
                  answer.add(fromDto(vt, new VirtualTopic()));
              }
              for (Object vt : filter(vd, DtoCompositeTopic.class)) {
                  answer.add(fromDto(vt, new CompositeTopic()));
              }
              for (Object vt : filter(vd, DtoCompositeQueue.class)) {
                  answer.add(fromDto(vt, new CompositeQueue()));
              }
          }
          VirtualDestination[] array = new VirtualDestination[answer.size()];
          answer.toArray(array);
          return array;
      }
  
  
  }
  