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.configuration;
15
16 /**
17 * Demonstrates programmatic invocation of Joran.
18 *
19 */
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
22
23 import ch.qos.logback.classic.LoggerContext;
24 import ch.qos.logback.classic.joran.JoranConfigurator;
25 import ch.qos.logback.core.joran.spi.JoranException;
26 import ch.qos.logback.core.util.StatusPrinter;
27
28 public class MyApp3 {
29 final static Logger logger = LoggerFactory.getLogger(MyApp3.class);
30
31 public static void main(String[] args) {
32 // assume SLF4J is bound to logback in the current environment
33 LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
34
35 try {
36 JoranConfigurator configurator = new JoranConfigurator();
37 configurator.setContext(context);
38 // Call context.reset() to clear any previous configuration, e.g. default
39 // configuration. For multi-step configuration, omit calling context.reset().
40 context.reset();
41 configurator.doConfigure(args[0]);
42 } catch (JoranException je) {
43 // StatusPrinter will handle this
44 }
45 StatusPrinter.printInCaseOfErrorsOrWarnings(context);
46
47 logger.info("Entering application.");
48
49 Foo foo = new Foo();
50 foo.doIt();
51 logger.info("Exiting application.");
52 }
53 }