Pistol Listener

@EventHandler
    public void onInteract(final PlayerInteractEvent e) {
        // This code isn't the current one in the plugin, but it's a much more simplfied version.
        Player player = e.getPlayer();
        final PlayerInventory inventory = player.getInventory();
        if(e.getAction() == Action.LEFT_CLICK_AIR || e.getAction() == Action.LEFT_CLICK_BLOCK){
            if(inventory.contains(Material.GLOWSTONE_DUST, 1)) {
                if (e.getPlayer().getItemInHand().getType()==Material.WOOD_HOE) {
                    Arrow arrow = (Arrow)player.launchProjectile(Arrow.class);
                    arrow.setShooter(player);
                    inventory.removeItem(new ItemStack(Material.GLOWSTONE_DUST, 1));
                }
            }
        }
    }