public final class TestPlugin extends JavaPlugin implements Listener
{
	@Override
	public void onEnable()
	{
		Bukkit.getPluginManager().registerEvents(this, this);
	}

	@Override
	public void onDisable()
	{
	}

	@EventHandler
	public void onLeftClickAir(PlayerInteractEvent event)
	{
		if (event.getHand() != EquipmentSlot.HAND || event.getAction() != Action.LEFT_CLICK_AIR || event.getItem() == null || !event
			.getItem()
			.getType()
			.isBlock())
			return;

		Player player = event.getPlayer();
		Location loc = player.getLocation();
		Vector direction = loc.getDirection();
		Material item = event.getItem().getType();

		FallingBlock entity = player.getWorld().spawnFallingBlock(loc.add(direction), Bukkit.createBlockData(item));
		entity.setVelocity(direction.multiply(2));
	}
}