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.network;
  
  import java.net.URI;
  import java.util.HashMap;
  import java.util.LinkedHashSet;
  import java.util.ServiceLoader;
  import java.util.Set;
  
  import org.apache.activemq.transport.Transport;
  import org.apache.activemq.transport.TransportFactory;
  import org.apache.activemq.util.URISupport;
  
  /**
   * Factory for network bridges
   * 
   * 
   */
  public final class NetworkBridgeFactory implements BridgeFactory {
  
      public final static BridgeFactory INSTANCE = new NetworkBridgeFactory();
  
      private NetworkBridgeFactory() {
  
      }
  
      @Override
      public DemandForwardingBridge createNetworkBridge(NetworkBridgeConfiguration configuration, Transport localTransport, Transport remoteTransport, NetworkBridgeListener listener) {
          if (configuration.isConduitSubscriptions()) {
              // dynamicOnly determines whether durables are auto bridged
              return attachListener(new DurableConduitBridge(configuration, localTransport, remoteTransport), listener);
          }
          return attachListener(new DemandForwardingBridge(configuration, localTransport, remoteTransport), listener);
      }
  
      private DemandForwardingBridge attachListener(DemandForwardingBridge bridge, NetworkBridgeListener listener) {
          if (listener != null) {
              bridge.setNetworkBridgeListener(listener);
          }
          return bridge;
      }
  
      /**
       * Create a network bridge
       * 
       * @param configuration
       * @param localTransport
       * @param remoteTransport
       * @param listener
       * @return the NetworkBridge
       */
      @Deprecated
      public static DemandForwardingBridge createBridge(NetworkBridgeConfiguration configuration,
                                                        Transport localTransport, Transport remoteTransport,
                                                        final NetworkBridgeListener listener) {
          return INSTANCE.createNetworkBridge(configuration, localTransport, remoteTransport, listener);
      }
  
      public static Transport createLocalTransport(NetworkBridgeConfiguration configuration, URI uri) throws Exception {
          // one end of the localbroker<->bridge transport needs to be async to allow concurrent forwards and acks
          return createLocalTransport(uri, !configuration.isDispatchAsync());
      }
  
      public static Transport createLocalAsyncTransport(URI uri) throws Exception {
          return createLocalTransport(uri, true);
      }
  
      private static Transport createLocalTransport(URI uri, boolean async) throws Exception {
          HashMap<String, String> map = new HashMap<String, String>(URISupport.parseParameters(uri));
          map.put("async", String.valueOf(async));
          map.put("create", "false"); // we don't want a vm connect during shutdown to trigger a broker create
          uri = URISupport.createURIWithQuery(uri, URISupport.createQueryString(map));
          return TransportFactory.connect(uri);
      }
  
  }
  