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Java > Open Source Codes > org > apache > tester > UpperCaseFilter


1 /*
2  * Copyright 1999, 2000, 2001 ,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.tester;
18
19
20 import java.io.*;
21 import java.util.*;
22 import javax.servlet.*;
23 import javax.servlet.http.*;
24
25
26 /**
27  * Filter that simply transforms its output to upper case.
28  *
29  * @author Craig R. McClanahan
30  * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:57 $
31  */
32
33 public class UpperCaseFilter implements Filter {
34
35
36     private FilterConfig config = null;
37
38     public void destroy() {
39         ; // No action required
40 }
41
42     public void init(FilterConfig config) throws ServletException {
43         this.config = config;
44     }
45
46     public void doFilter(ServletRequest request, ServletResponse response,
47                          FilterChain chain)
48         throws IOException, ServletException {
49
50         HttpServletRequest wrequest =
51             new UpperCaseRequest((HttpServletRequest) request);
52         HttpServletResponse wresponse =
53             new UpperCaseResponse((HttpServletResponse) response);
54         StaticLogger.write("UpperCaseFilter.doFilter() begin");
55         chain.doFilter(wrequest, wresponse);
56         StaticLogger.write("UpperCaseFilter.doFilter() end");
57
58     }
59
60
61 }
62
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