code

 public void onCraftItem(CraftItemEvent e){

        ItemStack craft = e.getRecipe().getResult();

        switch(craft.getType()){
            case FLINT_AND_STEEL:
                e.getInventory().setResult(ItemManager.setDescription(craft, ChatColor.BLUE + "Active la TNT"));
                break;
            case TNT:
                Material[] canPlaceOn = {
                        Material.GRASS,
                        Material.DIRT,
                        Material.COBBLESTONE,
                        Material.STONE
                };
                e.getInventory().setResult(ItemManager.addTag(craft, ItemManager.CAN_PLACE_ON, canPlaceOn));
                break;
        }

    }