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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
35
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 }