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.transport.discovery;
  
  import java.io.IOException;
  import java.net.URI;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.activemq.transport.CompositeTransport;
  import org.apache.activemq.transport.Transport;
  import org.apache.activemq.transport.TransportServer;
  import org.apache.activemq.transport.failover.FailoverTransport;
  import org.apache.activemq.transport.failover.FailoverTransportFactory;
  import org.apache.activemq.util.IntrospectionSupport;
  import org.apache.activemq.util.URISupport.CompositeData;
  
  /**
   * 
   */
  public class DiscoveryTransportFactory extends FailoverTransportFactory {
          
      public Transport createTransport(CompositeData compositeData) throws IOException {
          Map<String, String> parameters = new HashMap<String, String>(compositeData.getParameters());
          FailoverTransport failoverTransport = createTransport(parameters);
          return createTransport(failoverTransport, compositeData, parameters);
      }
      
      /**
       * Creates a transport that reports discovered brokers to a specific composite transport.
       * 
       * @param compositeTransport transport to report discovered brokers to
       * @param compositeData used to apply parameters to this transport 
       * @return a transport that reports discovered brokers to a specific composite transport.
       * @throws IOException
       */
      public static DiscoveryTransport createTransport(CompositeTransport compositeTransport, CompositeData compositeData, Map<String, String> parameters) throws IOException {
          DiscoveryTransport transport = new DiscoveryTransport(compositeTransport);
  
          IntrospectionSupport.setProperties(transport, parameters);
          transport.setParameters(parameters);
          
          URI discoveryAgentURI = compositeData.getComponents()[0];
          DiscoveryAgent discoveryAgent = DiscoveryAgentFactory.createDiscoveryAgent(discoveryAgentURI);
          transport.setDiscoveryAgent(discoveryAgent);
          return transport;
      }
  
      public TransportServer doBind(URI location) throws IOException {
          throw new IOException("Invalid server URI: " + location);
  // try{
  //            CompositeData compositData=URISupport.parseComposite(location);
  //            URI[] components=compositData.getComponents();
  //            if(components.length!=1){
  //                throw new IOException("Invalid location: "+location
  //                                +", the location must have 1 and only 1 composite URI in it - components = "
  //                                +components.length);
  //            }
  //            Map parameters=new HashMap(compositData.getParameters());
  //            DiscoveryTransportServer server=new DiscoveryTransportServer(TransportFactory.bind(value,components[0]));
  //            IntrospectionSupport.setProperties(server,parameters,"discovery");
  //            DiscoveryAgent discoveryAgent=DiscoveryAgentFactory.createDiscoveryAgent(server.getDiscovery());
  //            // Use the host name to configure the group of the discovery agent.
  //            if(!parameters.containsKey("discovery.group")){
  //                if(compositData.getHost()!=null){
  //                    parameters.put("discovery.group",compositData.getHost());
  //                }
  //            }
  //            if(!parameters.containsKey("discovery.brokerName")){
  //                parameters.put("discovery.brokerName",value);
  //            }
  //            IntrospectionSupport.setProperties(discoveryAgent,parameters,"discovery.");
  //            server.setDiscoveryAgent(discoveryAgent);
  //            return server;
  //        }catch(URISyntaxException e){
  //            throw new IOException("Invalid location: "+location);
  //        }
      }
  
  }
  