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Java > Open Source Codes > org > apache > commons > logging > log4j > TestAppender


1 /*
2  * Copyright 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.commons.logging.log4j;
18
19
20 import java.util.ArrayList JavaDoc;
21 import java.util.Iterator JavaDoc;
22 import java.util.List JavaDoc;
23 import org.apache.log4j.AppenderSkeleton;
24 import org.apache.log4j.spi.LoggingEvent;
25
26
27 /**
28  * <p>Test implementation of <code>org.apache.log4j.Appender</code>.</p>
29  *
30  * @author Craig R. McClanahan
31  * @version $Revision: 1.4 $ $Date: 2004/02/28 21:46:46 $
32  */
33
34 public class TestAppender extends AppenderSkeleton {
35
36
37
38     // ----------------------------------------------------- Instance Variables
39
40
41     // The set of logged events for this appender
42 private List JavaDoc events = new ArrayList JavaDoc();
43
44
45     // --------------------------------------------------------- Public Methods
46
47
48     public Iterator JavaDoc events() {
49         return (events.iterator());
50     }
51
52
53     public void flush() {
54         events.clear();
55     }
56
57
58     // ------------------------------------------------------- Appender Methods
59
60
61     protected void append(LoggingEvent event) {
62         events.add(event);
63     }
64
65
66     public void close() {
67     }
68
69
70     public boolean requiresLayout() {
71         return (false);
72     }
73
74
75 }
76
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