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1   //========================================================================
2   //$Id: RedirectPatternRule.java 966 2008-04-17 13:53:44Z gregw $
3   //Copyright 2004-2005 Mort Bay Consulting Pty. 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   //http://www.apache.org/licenses/LICENSE-2.0
9   //Unless required by applicable law or agreed to in writing, software
10  //distributed under the License is distributed on an "AS IS" BASIS,
11  //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  //See the License for the specific language governing permissions and
13  //limitations under the License.
14  //========================================================================
15  package org.mortbay.jetty.handler.rewrite;
16  
17  import javax.servlet.http.HttpServletRequest;
18  import javax.servlet.http.HttpServletResponse;
19  import java.io.IOException;
20  
21  /**
22   * Redirects the response whenever the rule finds a match.
23   */
24  public class RedirectPatternRule extends PatternRule
25  {
26      private String _location;
27  
28      /* ------------------------------------------------------------ */
29      public RedirectPatternRule()
30      {
31          _handling = true;
32          _terminating = true;
33      }
34  
35      /* ------------------------------------------------------------ */
36      /**
37       * Sets the redirect location.
38       * 
39       * @param value the location to redirect.
40       */
41      public void setLocation(String value)
42      {
43          _location = value;
44      }
45  
46      /* ------------------------------------------------------------ */
47      /*
48       * (non-Javadoc)
49       * @see org.mortbay.jetty.handler.rules.RuleBase#apply(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
50       */
51      public String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException
52      {
53          response.sendRedirect(_location);
54          return target;
55      }
56  
57      /* ------------------------------------------------------------ */
58      /**
59       * Returns the redirect location.
60       */
61      public String toString()
62      {
63          return super.toString()+"["+_location+"]";
64      }
65  }