gistfile1.java

    @Override
    public final void onPlayerInteract(PlayerInteractEvent event) {
        //simulate lag
        try { Thread.sleep(500); } catch (Exception e) {}
        final Location loc = event.getPlayer().getLocation();

            switch (event.getAction()) {
                case RIGHT_CLICK_AIR:
                    plugin.log("PlayerListener.onPlayerInteract(" + event.getAction() + ", " + event.isBlockInHand() + ", " + event.hasBlock() + ")");
                /*
                    if (placedBlockOnAir) {
                        event.getPlayer().sendMessage("If you lag jump you may look like a flyer and be banned.");
                        loc.setY(loc.getWorld().getHighestBlockYAt(loc));
                        event.getPlayer().teleport(loc);
                    }
                */
            }
    }