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.architecture;
15  
16  import ch.qos.logback.classic.Level;
17  import org.slf4j.Logger;
18  import org.slf4j.LoggerFactory;
19  
20  /**
21   * @author Ceki Gülcü
22   */
23  public class SelectionRule {
24  
25      public static void main(String[] args) {
26          // get a logger instance named "com.foo". Let us further assume that the
27          // logger is of type ch.qos.logback.classic.Logger so that we can
28          // set its level
29          ch.qos.logback.classic.Logger logger = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger("com.foo");
30          // set its Level to INFO. The setLevel() method requires a logback logger
31          logger.setLevel(Level.INFO);
32  
33          Logger barlogger = LoggerFactory.getLogger("com.foo.Bar");
34  
35          // This request is enabled, because WARN >= INFO
36          logger.warn("Low fuel level.");
37  
38          // This request is disabled, because DEBUG < INFO.
39          logger.debug("Starting search for nearest gas station.");
40  
41          // The logger instance barlogger, named "com.foo.Bar",
42          // will inherit its level from the logger named
43          // "com.foo" Thus, the following request is enabled
44          // because INFO >= INFO.
45          barlogger.info("Located nearest gas station.");
46  
47          // This request is disabled, because DEBUG < INFO.
48          barlogger.debug("Exiting gas station search");
49  
50      }
51  }