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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.rewrite.handler;
20  
21  import java.io.IOException;
22  
23  import javax.servlet.http.HttpServletRequest;
24  import javax.servlet.http.HttpServletResponse;
25  
26  import org.eclipse.jetty.util.annotation.Name;
27  
28  /**
29   * Sends the response code whenever the rule finds a match.
30   */
31  public class ResponsePatternRule extends PatternRule
32  {
33      private String _code;
34      private String _reason;
35  
36      /* ------------------------------------------------------------ */
37      public ResponsePatternRule()
38      {
39          this(null,null,"");
40      }
41  
42      /* ------------------------------------------------------------ */
43      public ResponsePatternRule(@Name("pattern") String pattern, @Name("code") String code, @Name("reason") String reason)
44      {
45          super(pattern);
46          _handling = true;
47          _terminating = true;
48          setCode(code);
49          setReason(reason);
50      }
51  
52      /* ------------------------------------------------------------ */
53      /**
54       * Sets the response status code. 
55       * @param code response code
56       */
57      public void setCode(String code)
58      {
59          _code = code;
60      }
61  
62      /* ------------------------------------------------------------ */
63      /**
64       * Sets the reason for the response status code. Reasons will only reflect
65       * if the code value is greater or equal to 400.
66       * 
67       * @param reason the reason
68       */
69      public void setReason(String reason)
70      {
71          _reason = reason;
72      }
73  
74      /* ------------------------------------------------------------ */
75      /*
76       * (non-Javadoc)
77       * @see org.eclipse.jetty.server.server.handler.rules.RuleBase#apply(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
78       */
79      @Override
80      public String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException
81      {
82          int code = Integer.parseInt(_code);
83  
84          // status code 400 and up are error codes
85          if (code >= 400)
86          {
87              response.sendError(code, _reason);
88          }
89          else
90          {
91              response.setStatus(code);
92          }
93          return target;
94      }
95  
96      /* ------------------------------------------------------------ */
97      /**
98       * Returns the code and reason string.
99       */
100     @Override
101     public String toString()
102     {
103         return super.toString()+"["+_code+","+_reason+"]";
104     }
105 }