001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package chapters.appenders.sift;
015
016import org.slf4j.Logger;
017import org.slf4j.LoggerFactory;
018import org.slf4j.MDC;
019
020import ch.qos.logback.classic.LoggerContext;
021import ch.qos.logback.classic.joran.JoranConfigurator;
022import ch.qos.logback.core.joran.spi.JoranException;
023
024public class SiftExample {
025
026    public static void main(String[] args) throws JoranException {
027        if (args.length != 1) {
028            usage("Wrong number of arguments.");
029        }
030
031        String configFile = args[0];
032
033        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
034        JoranConfigurator configurator = new JoranConfigurator();
035        lc.reset();
036        configurator.setContext(lc);
037        configurator.doConfigure(configFile);
038
039        Logger logger = LoggerFactory.getLogger(SiftExample.class);
040        logger.debug("Application started");
041
042        MDC.put("userid", "Alice");
043        logger.debug("Alice says hello");
044
045        // StatusPrinter.print(lc);
046    }
047
048    static void usage(String msg) {
049        System.err.println(msg);
050        System.err.println("Usage: java " + SiftExample.class.getName() + " configFile\n" + "   configFile a logback configuration file");
051        System.exit(1);
052    }
053}