View Javadoc
1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, 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 chapters.layouts;
15  
16  import org.slf4j.Logger;
17  import org.slf4j.LoggerFactory;
18  
19  import ch.qos.logback.classic.LoggerContext;
20  import ch.qos.logback.classic.joran.JoranConfigurator;
21  import ch.qos.logback.core.joran.spi.JoranException;
22  import ch.qos.logback.core.util.StatusPrinter;
23  
24  public class CallerEvaluatorExample {
25  
26      public static void main(String[] args) {
27          Logger logger = LoggerFactory.getLogger(CallerEvaluatorExample.class);
28          LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
29  
30          try {
31              JoranConfigurator configurator = new JoranConfigurator();
32              configurator.setContext(lc);
33              lc.reset();
34              configurator.doConfigure(args[0]);
35          } catch (JoranException je) {
36              // StatusPrinter will handle this
37          }
38          StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
39  
40          for (int i = 0; i < 5; i++) {
41              if (i == 3) {
42                  logger.debug("who calls thee?");
43              } else {
44                  logger.debug("I know me " + i);
45              }
46          }
47      }
48  }