EnchantUtils.java 文件源码

/**
 * Add an enchantment to an {@link ItemStack}.
 *
 * @param stack    The item stack.
 * @param enchant  The enchantment to add.
 * @param level    The enchantment level.
 */
public static void addEnchantment(ItemStack stack, Enchantment enchant, int level) {
    PreCon.notNull(stack);
    PreCon.notNull(enchant);
    PreCon.positiveNumber(level);

    ItemMeta meta = stack.getItemMeta();

    // check for enchantment storage items such as enchanted books
    if (meta instanceof EnchantmentStorageMeta) {
        EnchantmentStorageMeta storage = (EnchantmentStorageMeta)meta;
        storage.addStoredEnchant(enchant, level, true);
        stack.setItemMeta(storage);
    }
    else {
        stack.addUnsafeEnchantment(enchant, level);
    }
}