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


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  * Simple filter to reset the static log at the beginning of each request,
27  * so that no leftovers from the previous request are inadvertently included.
28  *
29  * @author Craig R. McClanahan
30  * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:57 $
31  */
32
33 public class StaticFilter implements Filter {
34
35
36     // ----------------------------------------------------------- Constructors
37
38
39
40     // ----------------------------------------------------- Instance Variables
41
42
43     /**
44      * The filter configuration object for this filter.
45      */
46     protected FilterConfig config = null;
47
48
49     // --------------------------------------------------------- Public Methods
50
51
52     /**
53      * Release this Filter instance from service.
54      */
55     public void destroy() {
56
57         config = null;
58
59     }
60
61
62     /**
63      * Wrap this request and/or response as configured and pass it on.
64      */
65     public void doFilter(ServletRequest inRequest, ServletResponse inResponse,
66                          FilterChain chain)
67         throws IOException, ServletException {
68
69         // Reset our logger and perform this request
70 StaticLogger.reset();
71         chain.doFilter(inRequest, inResponse);
72
73     }
74
75
76     /**
77      * Place this Filter instance into service.
78      *
79      * @param config The filter configuration object
80      */
81     public void init(FilterConfig config) throws ServletException {
82
83         this.config = config;
84
85     }
86
87
88 }
89
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