/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package chapters.appenders.sift;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.slf4j.MDC;
  
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.classic.joran.JoranConfigurator;
  import ch.qos.logback.core.joran.spi.JoranException;
  
  public class SiftExample {
  
      public static void main(String[] args) throws JoranException {
          if (args.length != 1) {
              usage("Wrong number of arguments.");
          }
  
          String configFile = args[0];
  
          LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
          JoranConfigurator configurator = new JoranConfigurator();
          lc.reset();
          configurator.setContext(lc);
          configurator.doConfigure(configFile);
  
          Logger logger = LoggerFactory.getLogger(SiftExample.class);
          logger.debug("Application started");
  
          MDC.put("userid", "Alice");
          logger.debug("Alice says hello");
  
          // StatusPrinter.print(lc);
      }
  
      static void usage(String msg) {
          System.err.println(msg);
          System.err.println("Usage: java " + SiftExample.class.getName() + " configFile\n" + "   configFile a logback configuration file");
          System.exit(1);
      }
  }