1 //======================================================================== 2 //$Id: RewritePatternRule.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 java.io.IOException; 18 19 import javax.servlet.http.HttpServletRequest; 20 import javax.servlet.http.HttpServletResponse; 21 22 import org.mortbay.jetty.servlet.PathMap; 23 import org.mortbay.util.URIUtil; 24 25 /** 26 * Rewrite the URI by replacing the matched {@link PathMap} path with a fixed string. 27 */ 28 public class RewritePatternRule extends PatternRule 29 { 30 private String _replacement; 31 32 /* ------------------------------------------------------------ */ 33 public RewritePatternRule() 34 { 35 _handling = false; 36 _terminating = false; 37 } 38 39 /* ------------------------------------------------------------ */ 40 /** 41 * Whenever a match is found, it replaces with this value. 42 * 43 * @param value the replacement string. 44 */ 45 public void setReplacement(String value) 46 { 47 _replacement = value; 48 } 49 50 /* ------------------------------------------------------------ */ 51 /* 52 * (non-Javadoc) 53 * @see org.mortbay.jetty.handler.rules.RuleBase#apply(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) 54 */ 55 public String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException 56 { 57 target = URIUtil.addPaths(_replacement, PathMap.pathInfo(_pattern,target)); 58 return target; 59 } 60 61 /* ------------------------------------------------------------ */ 62 /** 63 * Returns the replacement string. 64 */ 65 public String toString() 66 { 67 return super.toString()+"["+_replacement+"]"; 68 } 69 }