caffeine.groovy

import java.awt.*;
import java.awt.event.*;

public class Caffeine {
      public static void main(String[] args) throws Exception {
          Robot robot = new Robot();
          while (true) {
              try {
                  int xMove = Math.random() < 0.5 ? 1 : -1;
                  int yMove = Math.random() < 0.5 ? 1 : -1;
                  Point loc = MouseInfo.getPointerInfo().getLocation();
                  robot.mouseMove((int) loc.getX() + xMove, (int) loc.getY() + yMove);
                  //System.out.println(String.format("event triggered at %s", loc));
              } catch (Exception e) {
                  //System.out.println(String.format("could not trigger event: [%s], falling back to keypress", e.getMessage()));
                  robot.keyPress(KeyEvent.VK_SHIFT);
                  robot.keyPress(KeyEvent.VK_F1);
                  robot.keyRelease(KeyEvent.VK_F1);
                  robot.keyRelease(KeyEvent.VK_SHIFT);
              }
              Thread.sleep(30000);
          }
     }
}