@EventHandler(priority = EventPriority.NORMAL)
  private void pistonRetrackt(BlockPistonRetractEvent event) {

    if (event.isSticky()) {
      int x = 0;
      int y = 0;
      int z = 0;

      switch (event.getDirection()) {
        case NORTH:
          x = 1;
          y = 0;
          z = 0;
          break;

        case SOUTH:
          x = -1;
          y = 0;
          z = 0;
          break;

        case UP:
          x = 0;
          y = -1;
          z = 0;
          break;

        case DOWN:
          x = 0;
          y = 1;
          z = 0;
          break;

        case EAST:
          x = 0;
          y = 0;
          z = 1;
          break;

        case WEST:
          x = 0;
          y = 0;
          z = -1;
          break;
        default:
          x = 0;
          y = 0;
          z = 0;
          break;
      }
      blockSaver.checkPistonLoc(
          event.getRetractLocation(), event.getRetractLocation().add(x, y, z));
    }
  }
  @EventHandler(priority = EventPriority.NORMAL)
  private void pistonMove(BlockPistonExtendEvent event) {
    int x = 0;
    int y = 0;
    int z = 0;
    if (event.getBlocks().size() > 0) {
      switch (event.getDirection()) {
        case NORTH:
          x = -1;
          y = 0;
          z = 0;
          break;

        case SOUTH:
          x = 1;
          y = 0;
          z = 0;
          break;

        case UP:
          x = 0;
          y = 1;
          z = 0;
          break;

        case DOWN:
          x = 0;
          y = -1;
          z = 0;
          break;

        case EAST:
          x = 0;
          y = 0;
          z = -1;
          break;

        case WEST:
          x = 0;
          y = 0;
          z = 1;
          break;
        default:
          x = 0;
          y = 0;
          z = 0;
          break;
      }
      for (Block block : event.getBlocks()) {
        blockSaver.checkPistonLoc(block.getLocation(), block.getLocation().add(x, y, z));
      }
    }
  }