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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.appenders.sift;
15  
16  import org.slf4j.Logger;
17  import org.slf4j.LoggerFactory;
18  import org.slf4j.MDC;
19  
20  import ch.qos.logback.classic.LoggerContext;
21  import ch.qos.logback.classic.joran.JoranConfigurator;
22  import ch.qos.logback.core.joran.spi.JoranException;
23  
24  public class SiftExample {
25  
26      public static void main(String[] args) throws JoranException {
27          if (args.length != 1) {
28              usage("Wrong number of arguments.");
29          }
30  
31          String configFile = args[0];
32  
33          LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
34          JoranConfigurator configurator = new JoranConfigurator();
35          lc.reset();
36          configurator.setContext(lc);
37          configurator.doConfigure(configFile);
38  
39          Logger logger = LoggerFactory.getLogger(SiftExample.class);
40          logger.debug("Application started");
41  
42          MDC.put("userid", "Alice");
43          logger.debug("Alice says hello");
44  
45          // StatusPrinter.print(lc);
46      }
47  
48      static void usage(String msg) {
49          System.err.println(msg);
50          System.err.println("Usage: java " + SiftExample.class.getName() + " configFile\n" + "   configFile a logback configuration file");
51          System.exit(1);
52      }
53  }