1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 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 import java.util.Map;
23
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpServletResponse;
26
27 import org.eclipse.jetty.http.PathMap;
28 import org.eclipse.jetty.util.URIUtil;
29
30 /**
31 * Rule implementing the legacy API of RewriteHandler
32 *
33 *
34 */
35 public class LegacyRule extends Rule
36 {
37 private PathMap _rewrite = new PathMap(true);
38
39 public LegacyRule()
40 {
41 _handling = false;
42 _terminating = false;
43 }
44
45 /* ------------------------------------------------------------ */
46 @Override
47 public String matchAndApply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException
48 {
49 Map.Entry<?,?> rewrite =_rewrite.getMatch(target);
50
51 if (rewrite!=null && rewrite.getValue()!=null)
52 {
53 target=URIUtil.addPaths(rewrite.getValue().toString(),
54 PathMap.pathInfo(rewrite.getKey().toString(),target));
55
56 return target;
57 }
58
59 return null;
60 }
61
62 /* ------------------------------------------------------------ */
63 /**
64 * Returns the map of rewriting rules.
65 * @return A {@link PathMap} of the rewriting rules.
66 */
67 public PathMap getRewrite()
68 {
69 return _rewrite;
70 }
71
72 /* ------------------------------------------------------------ */
73 /**
74 * Sets the map of rewriting rules.
75 * @param rewrite A {@link PathMap} of the rewriting rules. Only
76 * prefix paths should be included.
77 */
78 public void setRewrite(PathMap rewrite)
79 {
80 _rewrite=rewrite;
81 }
82
83
84 /* ------------------------------------------------------------ */
85 /** Add a path rewriting rule
86 * @param pattern The path pattern to match. The pattern must start with / and may use
87 * a trailing /* as a wildcard.
88 * @param prefix The path prefix which will replace the matching part of the path.
89 */
90 public void addRewriteRule(String pattern, String prefix)
91 {
92 if (pattern==null || pattern.length()==0 || !pattern.startsWith("/"))
93 throw new IllegalArgumentException();
94 if (_rewrite==null)
95 _rewrite=new PathMap(true);
96 _rewrite.put(pattern,prefix);
97 }
98
99
100 }