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comparison src/org/eclipse/jetty/server/handler/MovedContextHandler.java @ 802:3428c60d7cfc

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replace jetty jars with source
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:15:48 -0600
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801:6a21393191c1 802:3428c60d7cfc
1 //
2 // ========================================================================
3 // Copyright (c) 1995-2014 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.server.handler;
20
21 import java.io.IOException;
22
23 import javax.servlet.ServletException;
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpServletResponse;
26
27 import org.eclipse.jetty.http.HttpHeaders;
28 import org.eclipse.jetty.server.HandlerContainer;
29 import org.eclipse.jetty.server.Request;
30 import org.eclipse.jetty.util.URIUtil;
31
32 /* ------------------------------------------------------------ */
33 /** Moved ContextHandler.
34 * This context can be used to replace a context that has changed
35 * location. Requests are redirected (either to a fixed URL or to a
36 * new context base).
37 */
38 public class MovedContextHandler extends ContextHandler
39 {
40 final Redirector _redirector;
41 String _newContextURL;
42 boolean _discardPathInfo;
43 boolean _discardQuery;
44 boolean _permanent;
45 String _expires;
46
47 public MovedContextHandler()
48 {
49 _redirector=new Redirector();
50 setHandler(_redirector);
51 setAllowNullPathInfo(true);
52 }
53
54 public MovedContextHandler(HandlerContainer parent, String contextPath, String newContextURL)
55 {
56 super(parent,contextPath);
57 _newContextURL=newContextURL;
58 _redirector=new Redirector();
59 setHandler(_redirector);
60 }
61
62 public boolean isDiscardPathInfo()
63 {
64 return _discardPathInfo;
65 }
66
67 public void setDiscardPathInfo(boolean discardPathInfo)
68 {
69 _discardPathInfo = discardPathInfo;
70 }
71
72 public String getNewContextURL()
73 {
74 return _newContextURL;
75 }
76
77 public void setNewContextURL(String newContextURL)
78 {
79 _newContextURL = newContextURL;
80 }
81
82 public boolean isPermanent()
83 {
84 return _permanent;
85 }
86
87 public void setPermanent(boolean permanent)
88 {
89 _permanent = permanent;
90 }
91
92 public boolean isDiscardQuery()
93 {
94 return _discardQuery;
95 }
96
97 public void setDiscardQuery(boolean discardQuery)
98 {
99 _discardQuery = discardQuery;
100 }
101
102 private class Redirector extends AbstractHandler
103 {
104 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
105 {
106 if (_newContextURL==null)
107 return;
108
109 String path=_newContextURL;
110 if (!_discardPathInfo && request.getPathInfo()!=null)
111 path=URIUtil.addPaths(path, request.getPathInfo());
112
113 StringBuilder location = URIUtil.hasScheme(path)?new StringBuilder():baseRequest.getRootURL();
114
115 location.append(path);
116 if (!_discardQuery && request.getQueryString()!=null)
117 {
118 location.append('?');
119 String q=request.getQueryString();
120 q=q.replaceAll("\r\n?&=","!");
121 location.append(q);
122 }
123
124 response.setHeader(HttpHeaders.LOCATION,location.toString());
125
126 if (_expires!=null)
127 response.setHeader(HttpHeaders.EXPIRES,_expires);
128
129 response.setStatus(_permanent?HttpServletResponse.SC_MOVED_PERMANENTLY:HttpServletResponse.SC_FOUND);
130 response.setContentLength(0);
131 baseRequest.setHandled(true);
132 }
133
134 }
135
136 /* ------------------------------------------------------------ */
137 /**
138 * @return the expires header value or null if no expires header
139 */
140 public String getExpires()
141 {
142 return _expires;
143 }
144
145 /* ------------------------------------------------------------ */
146 /**
147 * @param expires the expires header value or null if no expires header
148 */
149 public void setExpires(String expires)
150 {
151 _expires = expires;
152 }
153
154 }