/**
    * 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 ch.qos.logback.classic.issue.lbclassic36;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  //import org.joda.time.format.DateTimeFormat;
  //import org.joda.time.format.DateTimeFormatter;
  
  public class DateFormatPerf_Tapp {
      public static final String ISO8601_PATTERN = "yyyy-MM-dd HH:mm:ss,SSS";
      static final long NANOS_IN_ONE_SEC = 1000 * 1000 * 1000L;
  
      static long RUN_LENGTH = 1000 * 1000;
  
      public static void main(String[] args) {
          for (int i = 0; i < 5; i++) {
              doRawJoda();
              doRawSDF();
          }
  
          print("Raw Joda:     ", doRawJoda());
          print("Raw SDF:      ", doRawSDF());
      }
  
      static void print(String msg, double avg) {
          System.out.println(msg + " average tick " + avg + " nanoseconds");
      }
  
      static double doRawJoda() {
          // DateTimeFormatter jodaFormat = DateTimeFormat.forPattern(ISO8601_PATTERN);
          @SuppressWarnings("unused")
          long timeInMillis = new Date().getTime();
          long start = System.nanoTime();
          for (int i = 0; i < RUN_LENGTH; ++i) {
              // jodaFormat.print(timeInMillis);
          }
          return (System.nanoTime() - start) * 1.0d / RUN_LENGTH;
      }
  
      static double doRawSDF() {
          SimpleDateFormat simpleFormat = new SimpleDateFormat(ISO8601_PATTERN);
          long timeInMillis = new Date().getTime();
          long start = System.nanoTime();
          for (int i = 0; i < RUN_LENGTH; ++i) {
              simpleFormat.format(timeInMillis);
          }
          return (System.nanoTime() - start) * 1.0d / RUN_LENGTH;
      }
  
  }