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Java > Open Source Codes > org > apache > commons > chain > impl > NonDelegatingFilter


1 /*
2  * Copyright 1999-2004 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 package org.apache.commons.chain.impl;
17
18
19 import org.apache.commons.chain.Context;
20 import org.apache.commons.chain.Filter;
21
22
23 /**
24  * <p>Implementation of {@link Filter} that logs its identifier and
25  * and returns <code>true</code>.</p>
26  *
27  * @author Craig R. McClanahan
28  * @version $Revision: 1.6 $ $Date: 2004/02/25 00:01:05 $
29  */
30
31 public class NonDelegatingFilter extends NonDelegatingCommand
32     implements Filter {
33
34
35     // ------------------------------------------------------------- Constructor
36
37
38     public NonDelegatingFilter() {
39     this("", "");
40     }
41
42
43     // Construct an instance that will log the specified identifier
44 public NonDelegatingFilter(String JavaDoc id1, String JavaDoc id2) {
45         super(id1);
46         this.id2 = id2;
47     }
48
49
50     // -------------------------------------------------------------- Properties
51
52
53     protected String JavaDoc id2 = null;
54     public String JavaDoc getId2() {
55     return (this.id2);
56     }
57     public void setId2(String JavaDoc id2) {
58     this.id2 = id2;
59     }
60
61
62     // --------------------------------------------------------- Command Methods
63
64
65     // Execution method for this Command
66 public boolean execute(Context context) throws Exception JavaDoc {
67
68         super.execute(context);
69         return (true);
70
71     }
72
73
74     // Postprocess method for this Filter
75 public boolean postprocess(Context context, Exception JavaDoc exception) {
76         log(context, id2);
77         return (false);
78     }
79
80
81 }
82
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