1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.log4j;
19
20 import java.util.Vector;
21 import org.apache.log4j.spi.LoggingEvent;
22
23 /**
24 An appender that appends logging events to a vector.
25 @author Ceki Gülcü
26 */
27 public class VectorAppender extends AppenderSkeleton {
28
29 public Vector vector;
30
31 public VectorAppender() {
32 vector = new Vector();
33 }
34
35 /**
36 Does nothing.
37 */
38 public void activateOptions() {
39 }
40
41
42 /**
43 This method is called by the {@link AppenderSkeleton#doAppend}
44 method.
45
46 */
47 public void append(LoggingEvent event) {
48 //System.out.println("---Vector appender called with message ["+event.getRenderedMessage()+"].");
49 //System.out.flush();
50 try {
51 Thread.sleep(100);
52 } catch(Exception e) {
53 }
54 vector.addElement(event);
55 }
56
57 public Vector getVector() {
58 return vector;
59 }
60
61 public synchronized void close() {
62 if(this.closed)
63 return;
64 this.closed = true;
65 }
66
67
68 public boolean isClosed() {
69 return closed;
70 }
71
72 public boolean requiresLayout() {
73 return false;
74 }
75 }