1 /*
2 * Copyright (c) 2004, Henri Yandell
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or
6 * without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * + Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * + Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * + Neither the name of OSJava nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 package org.osjava.taglib.trail;
34
35 import java.io.IOException;
36 import javax.servlet.*;
37 import javax.servlet.http.*;
38
39 public class OriginalRequestFilter implements Filter {
40
41 private FilterConfig config = null;
42
43 public void init(FilterConfig config) {
44 this.config = config;
45 }
46
47 public void destroy() {
48 config = null;
49 }
50
51 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
52 HttpServletRequest hsr = (HttpServletRequest) request;
53
54 if( hsr.getAttribute("javax.servlet.forward.request_uri") != null ) {
55 hsr.setAttribute( "javax.servlet.forward.request_uri", hsr.getRequestURI() );
56 }
57 if( hsr.getAttribute("javax.servlet.forward.context_path") != null ) {
58 hsr.setAttribute( "javax.servlet.forward.context_path", hsr.getContextPath() );
59 }
60 if( hsr.getAttribute("javax.servlet.forward.servlet_path") != null ) {
61 hsr.setAttribute( "javax.servlet.forward.servlet_path", hsr.getServletPath() );
62 }
63 if( hsr.getAttribute("javax.servlet.forward.path_info") != null ) {
64 hsr.setAttribute( "javax.servlet.forward.path_info", hsr.getPathInfo() );
65 }
66 if( hsr.getAttribute("javax.servlet.forward.query_string") != null ) {
67 hsr.setAttribute( "javax.servlet.forward.query_string", hsr.getQueryString() );
68 }
69
70 // continue
71 chain.doFilter(request, response);
72 }
73
74 }
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