Chat.java 文件源码

private static void appendItemTag(final StringBuilder builder, final ItemStack is) {
    boolean hasTag = false;
    final StringBuilder tagBuilder = new StringBuilder();

    // Enchantments
    final Map<Enchantment, Integer> enchantments = is.getEnchantments();
    if (enchantments != null && !enchantments.isEmpty()) {
        tagBuilder.append("ench:[");
        final Iterator<Entry<Enchantment, Integer>> it = enchantments.entrySet().iterator();
        while (it.hasNext()) {
            final Entry<Enchantment, Integer> entry = it.next();
            tagBuilder.append("{id:")
                      .append(entry.getKey().getId())
                      .append(",lvl:")
                      .append(entry.getValue());
            if (it.hasNext()) {
                tagBuilder.append(',');
            }
        }
        tagBuilder.append("],");
        hasTag = true;
    }

    // Meta
    if (is.hasItemMeta()) {
        final ItemMeta meta = is.getItemMeta();
        if (meta.hasDisplayName() || meta.hasLore() || Chat.isLeatherArmor(is)) {
            Chat.appendItemDisplay(tagBuilder, meta);
        }
        if (is.getType() == Material.POTION) {
            Chat.appendItemPotion(tagBuilder, (PotionMeta)meta);
        }
        if (is.getType() == Material.WRITTEN_BOOK) {
            Chat.appendItemBook(tagBuilder, (BookMeta)meta);
        }
        if (is.getType() == Material.SKULL_ITEM) {
            Chat.appendItemSkull(tagBuilder, (SkullMeta)meta);
        }
        if (is.getType() == Material.FIREWORK) { // Firework Rocket
            Chat.appendItemFirework(tagBuilder, (FireworkMeta)meta);
        }
        if (is.getType() == Material.FIREWORK_CHARGE) { // Firework Star
            Chat.appendItemFireworkEffect(tagBuilder, (FireworkEffectMeta)meta);
        }
    }

    if (hasTag && tagBuilder.charAt(builder.length() - 1) == ',') {
        tagBuilder.deleteCharAt(builder.length() - 1);
    }

    // Append to main builder
    if (hasTag) {
        builder.append(',').append("tag:{").append(tagBuilder).append('}');
    }
}