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Java > Open Source Codes > org > snipsnap > net > filter > EncRequestFilter


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25 package org.snipsnap.net.filter;
26
27 import org.radeox.util.logging.Logger;
28 import org.snipsnap.app.Application;
29 import org.snipsnap.config.Globals;
30
31 import javax.servlet.Filter JavaDoc;
32 import javax.servlet.FilterChain JavaDoc;
33 import javax.servlet.FilterConfig JavaDoc;
34 import javax.servlet.ServletException JavaDoc;
35 import javax.servlet.ServletRequest JavaDoc;
36 import javax.servlet.ServletResponse JavaDoc;
37 import javax.servlet.http.HttpServletRequest JavaDoc;
38 import java.io.IOException JavaDoc;
39 import java.io.UnsupportedEncodingException JavaDoc;
40
41 /**
42  * A ServletFilter that parses ensures correctly encoded requests
43  *
44  * @author Matthias L. Jugel
45  * @version $Id: EncRequestFilter.java 1257 2003-12-11 13:36:55Z leo $
46  */
47 public class EncRequestFilter implements Filter JavaDoc {
48
49   public void init(FilterConfig JavaDoc config) throws ServletException JavaDoc {
50   }
51
52   public void destroy() {
53   }
54
55   public void doFilter(ServletRequest JavaDoc request, ServletResponse JavaDoc response,
56                        FilterChain JavaDoc chain) throws IOException JavaDoc, ServletException JavaDoc {
57     System.out.println("EncRequestFilter");
58     HttpServletRequest JavaDoc req = (HttpServletRequest JavaDoc) request;
59
60     // make sure the request has a correct character encoding
61 // the enc-wrapper ensures some methods return correct strings too
62 try {
63       req = new EncRequestWrapper(req, req.getCharacterEncoding());
64     } catch (UnsupportedEncodingException JavaDoc e) {
65       Logger.log(Logger.FATAL, "InitFilter: unsupported encoding '" + req.getCharacterEncoding() + "'", e);
66     }
67
68     chain.doFilter(req, response);
69   }
70 }
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