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1   /***
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.codehaus.activemq.transport.http;
19  
20  import org.codehaus.activemq.message.TextWireFormat;
21  import org.codehaus.activemq.transport.TransportServerChannelSupport;
22  import org.codehaus.activemq.transport.xstream.XStreamWireFormat;
23  import org.codehaus.activemq.util.JMSExceptionHelper;
24  import org.mortbay.http.HttpContext;
25  import org.mortbay.http.SocketListener;
26  import org.mortbay.jetty.Server;
27  import org.mortbay.jetty.servlet.ServletHandler;
28  
29  import javax.jms.JMSException;
30  import java.net.URI;
31  
32  /***
33   * @version $Revision: 1.2 $
34   */
35  public class HttpTransportConnector extends TransportServerChannelSupport {
36      private URI bindAddress;
37      private TextWireFormat wireFormat;
38      private Server server = new Server();
39      private SocketListener listener = new SocketListener();
40  
41      public HttpTransportConnector(URI uri) {
42          super(uri);
43          this.bindAddress = uri;
44      }
45  
46      public void start() throws JMSException {
47          try {
48              listener.setPort(bindAddress.getPort());
49              server.addListener(listener);
50  
51              HttpContext context = server.addContext("/");
52              ServletHandler handler = new ServletHandler();
53              handler.addServlet("httpTunnel", "/*", HttpTunnelServlet.class.getName());
54  
55              context.addHandler(handler);
56              context.setAttribute("transportChannelListener", getTransportChannelListener());
57              context.setAttribute("wireFormat", getWireFormat());
58              server.start();
59          }
60          catch (Exception e) {
61              throw JMSExceptionHelper.newJMSException("Could not start HTTP server: " + e, e);
62          }
63      }
64  
65      public synchronized void stop() throws JMSException {
66          super.stop();
67          try {
68              server.stop();
69          }
70          catch (InterruptedException e) {
71              throw JMSExceptionHelper.newJMSException("Could not stop HTTP server: " + e, e);
72          }
73      }
74  
75      // Properties
76      //-------------------------------------------------------------------------
77      public TextWireFormat getWireFormat() {
78          if (wireFormat == null) {
79              wireFormat = createWireFormat();
80          }
81          return wireFormat;
82      }
83  
84      public void setWireFormat(TextWireFormat wireFormat) {
85          this.wireFormat = wireFormat;
86      }
87  
88  
89      // Implementation methods
90      //-------------------------------------------------------------------------
91      protected TextWireFormat createWireFormat() {
92          return new XStreamWireFormat();
93      }
94  }