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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.client;
20  
21  import org.eclipse.jetty.client.api.Request;
22  import org.eclipse.jetty.client.api.Response;
23  import org.eclipse.jetty.client.api.Result;
24  
25  /**
26   * <p>A protocol handler that handles redirect status codes 301, 302, 303, 307 and 308.</p>
27   */
28  public class RedirectProtocolHandler extends Response.Listener.Adapter implements ProtocolHandler
29  {
30      public static final String NAME = "redirect";
31  
32      private final HttpRedirector redirector;
33  
34      public RedirectProtocolHandler(HttpClient client)
35      {
36          redirector = new HttpRedirector(client);
37      }
38  
39      @Override
40      public String getName()
41      {
42          return NAME;
43      }
44  
45      @Override
46      public boolean accept(Request request, Response response)
47      {
48          return redirector.isRedirect(response) && request.isFollowRedirects();
49      }
50  
51      @Override
52      public Response.Listener getResponseListener()
53      {
54          return this;
55      }
56  
57      @Override
58      public void onComplete(Result result)
59      {
60          Request request = result.getRequest();
61          Response response = result.getResponse();
62          if (result.isSucceeded())
63              redirector.redirect(request, response, null);
64          else
65              redirector.fail(request, response, result.getFailure());
66      }
67  }