/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2009, 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 chapter4.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 notifyAdminMarker = MarkerFactory.getMarker("NOTIFY_ADMIN");
    logger.error(notifyAdminMarker,
        "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);
  }
}
