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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  }