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.chainsaw.help;
19
20 import org.apache.log4j.LogManager;
21 import org.apache.log4j.chainsaw.Generator;
22 import org.apache.log4j.plugins.Plugin;
23 import org.apache.log4j.plugins.PluginRegistry;
24 import org.apache.log4j.spi.LoggerRepository;
25 import org.apache.log4j.spi.LoggerRepositoryEx;
26
27 /**
28 * A runnable element that installs into the Log4j environment some fake Receivers
29 * which generates events for use as a tutorial.
30 *
31 * @author Paul Smith
32 */
33 public class Tutorial implements Runnable {
34 /* (non-Javadoc)
35 * @see java.lang.Runnable#run()
36 */
37 public void run() {
38 Plugin p1 = new Generator("Generator 1");
39 Plugin p2 = new Generator("Generator 2");
40 Plugin p3 = new Generator("Generator 3");
41
42 LoggerRepository repo = LogManager.getLoggerRepository();
43 if (repo instanceof LoggerRepositoryEx) {
44 PluginRegistry pluginRegistry = ((LoggerRepositoryEx) repo).getPluginRegistry();
45 pluginRegistry.addPlugin(p1);
46 p1.activateOptions();
47 pluginRegistry.addPlugin(p2);
48 p2.activateOptions();
49 pluginRegistry.addPlugin(p3);
50 p3.activateOptions();
51 }
52
53 }
54 }