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 }