/**
    * 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.mail;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.slf4j.Marker;
  import org.slf4j.MarkerFactory;
  
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.classic.joran.JoranConfigurator;
  import ch.qos.logback.core.util.StatusPrinter;
  
  /**
   * This application generates a number of message many of which are of LEVEL.
   * However, only one message bears the  "NOTIFY_ADMIN" marker.
   * */
  public class Marked_EMail {
      static public void main(String[] args) throws Exception {
          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);
          StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
  
          Logger logger = LoggerFactory.getLogger(Marked_EMail.class);
  
          int runLength = 100;
          for (int i = 1; i <= runLength; i++) {
              if ((i % 10) < 9) {
                  logger.debug("This is a debug message. Message number: " + i);
              } else {
                  logger.error("This is an error message. Message number: " + i);
              }
          }
  
          Marker notifyAdmin = MarkerFactory.getMarker("NOTIFY_ADMIN");
          logger.error(notifyAdmin, "This is a serious an error requiring the admin's attention", new Exception("Just testing"));
  
          StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
      }
  
      static void usage(String msg) {
          System.err.println(msg);
          System.err.println("Usage: java " + Marked_EMail.class.getName() + " configFile\n" + "   configFile a logback configuration file in XML format.");
          System.exit(1);
      }
  }