Chronometer

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Un chronomètre de plus avec spécification de l'intervalle de déclenchement en millisecondes.

Source / Exemple : 


package com.infodavid.util;
/*


     
  •  Copyright (c) 2001 David Rolland

 *


     
  •  Redistribution and use in source and binary forms, with or without

    •  
  •  modification, are permitted provided that the following conditions are met:

 *


     
  •  -Redistributions of source code must retain the above copyright notice, this

    •  
  •  list of conditions and the following disclaimer.

 *


     
  •  -Redistribution in binary form must reproduct the above copyright notice,

    •  
  •  this list of conditions and the following disclaimer in the documentation

    •  
  •  and/or other materials provided with the distribution.

 *


     
  •  This software is provided "AS IS," without a warranty of any kind. ALL

    •  
  •  EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY

    •  
  •  IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR

    •  
  •  NON-INFRINGEMENT, ARE HEREBY EXCLUDED. D.Rolland SHALL NOT BE

    •  
  •  LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING

    •  
  •  OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL D.Rolland

    •  
  •  BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,

    •  
  •  INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER

    •  
  •  CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF

    •  
  •  OR INABILITY TO USE SOFTWARE, EVEN IF D.Rolland HAS BEEN ADVISED OF THE

    •  
  •  POSSIBILITY OF SUCH DAMAGES.

 *


     
  •  You acknowledge that Software is not designed,licensed or intended for use in

    •  
  •  the design, construction, operation or maintenance of any nuclear facility.

    •  
  • /

import java.awt.event.ActionEvent;

import java.io.Serializable;
/**


     
  •  Title:

    •  
  •  Description:

    •  
  •  Copyright:    Copyright (c) 2001

    •  
  •  Company:      David Rolland, infodavid@chez.com

    •  
  •  @author       David Rolland, infodavid@chez.com

    •  
  •  @version 1

    •  
  • /

public class Chronometer extends ListenedObjectImpl implements Runnable,
  Serializable {

  private Thread chronometre;
  private float step = 0;
  private long minutes = 0;
  private int delay = 100;

  public void reset() {
    step = 0;
    minutes = 0;
  }

  public void setDelay(int ms) { delay = ms; }

  public int getDelay() { return delay; }

  public void start()  {
    reset();

    chronometre = new Thread (this);
    chronometre.start();
  }

  public void cont() {
    if (chronometre != null) {
      chronometre.start();
    }
    else {
      start();
    }
  }

  public int[] getTime() {
    int time[] = new int[4];

    //heure
    time[0] = (int)(minutes / 60);
    //minute
    time[1] = (int)(minutes % 60);
    //seconde
    time[2] = (int)(((step * delay) / 1000) % 60);
    //dixieme
    time[3] = (int)((step * delay) % 10);

    return time;
  }

  protected boolean isAlive() {
    if (chronometre != null) {
      return chronometre.isAlive();
    }
    else {
      return false;
    }
  }

  protected void increment() {
    step++;

    final float minute = 60000 / (float)delay;

    if (step >= minute) {
      short i = (short)(step / minute);

      minutes += i;

      step -= i * minute;
    }

    raiseEvent(new ActionEvent(this, 0 , getClass().getName(), minutes, 0));
  }

  public void run() {
    try {
      while (isAlive()) {
        Thread.sleep(getDelay());

        increment();
      }
    } catch (InterruptedException e) { }
  }

  public void stop() {
    if (isAlive()) {
      chronometre.interrupt();
    }
  }
}

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