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 public Vector vector;
29
30 long delay = 0;
31
32 public VectorAppender() {
33 super(true);
34 vector = new Vector();
35 }
36
37
38 public void append(LoggingEvent event) {
39 if(delay > 0) {
40 try {
41 Thread.sleep(delay);
42 } catch (Exception e) {
43 }
44 }
45
46 vector.addElement(event);
47 }
48
49 /**
50 * Returns a vector of {@link LoggingEvent}.
51 * @return a vector of {@link LoggingEvent}.
52 */
53 public Vector getVector() {
54 return vector;
55 }
56
57 public synchronized void close() {
58 if (this.closed) {
59 return;
60 }
61
62 this.closed = true;
63 }
64
65 public boolean isClosed() {
66 return closed;
67 }
68
69 public boolean requiresLayout() {
70 return false;
71 }
72
73 /**
74 * Returns a delay to log.
75 * @return delay to log
76 */
77 public long getDelay() {
78 return delay;
79 }
80
81 /**
82 * Sets a delay to log.
83 * @param delay delay to log
84 */
85 public void setDelay(long delay) {
86 this.delay = delay;
87 }
88
89 }