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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2009, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package chapter5;
15  
16  import org.slf4j.LoggerFactory;
17  
18  import ch.qos.logback.classic.Logger;
19  import ch.qos.logback.classic.PatternLayout;
20  import ch.qos.logback.classic.spi.ILoggingEvent;
21  import ch.qos.logback.core.ConsoleAppender;
22  
23  public class PatternSample {
24  
25    static public void main(String[] args) throws Exception {
26      Logger rootLogger = (Logger) LoggerFactory.getLogger("root");
27      
28      PatternLayout layout = new PatternLayout();
29      layout.setPattern("%-5level [%thread]: %message%n");
30      layout.start();
31      
32      ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<ILoggingEvent>();
33      appender.setContext(rootLogger.getLoggerContext());
34      appender.setLayout(layout);
35      appender.start();
36      
37      rootLogger.addAppender(appender);
38  
39      rootLogger.debug("Message 1");
40      rootLogger.warn("Message 2");
41    }
42  }