private ItemStack item;

    public ItemBuilder(Material material, int amount) {
        item = new ItemStack(material, amount);
    }

    public ItemBuilder(Material material, int amount, int data) {
        item = new ItemStack(material, amount, (short) data);
    }

    public ItemBuilder(ItemStack item) {
        this.item = item;
    }

    public ItemBuilder setData(int data) {
        item.setDurability((short) data);
        return this;
    }

    public ItemBuilder setMaterial(Material m) {
        item.setType(m);
        return this;
    }

    public ItemBuilder setAmount(int amount) {
        item.setAmount(amount);
        return this;
    }

    public ItemBuilder setName(String name) {
        ItemMeta m = item.getItemMeta();
        m.setDisplayName(name);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setLore(String... lore) {
        ItemMeta m = item.getItemMeta();
        m.setLore(Arrays.asList(lore));
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder enchant(Enchantment ench, int lvl) {
        item.addUnsafeEnchantment(ench, lvl);
        return this;
    }

    public ItemBuilder addFlags(ItemFlag... flag) {
        ItemMeta m = item.getItemMeta();
        m.addItemFlags(flag);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setLeatherColor(Color color) {
        LeatherArmorMeta m = (LeatherArmorMeta) item.getItemMeta();
        m.setColor(color);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setSkullOwner(String owner) {
        SkullMeta m = (SkullMeta) item.getItemMeta();
        m.setOwner(owner);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setPotionType(PotionEffectType type) {
        PotionMeta m = (PotionMeta) item.getItemMeta();
        m.setMainEffect(type);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setBookAuthor(String author) {
        BookMeta m = (BookMeta) item.getItemMeta();
        m.setAuthor(author);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setBookContent(String... pages) {
        BookMeta m = (BookMeta) item.getItemMeta();
        m.setPages(pages);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setBookTitle(String title) {
        BookMeta m = (BookMeta) item.getItemMeta();
        m.setTitle(title);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setBookMeta(String title, String author, String... pages) {
        BookMeta m = (BookMeta) item.getItemMeta();
        m.setTitle(title);
        m.setAuthor(author);
        m.setPages(pages);
        item.setItemMeta(m);
        return this;
    }

    public ItemBuilder setEggType(EntityType type) {
        if ((item != null) && (item.getType() == Material.MONSTER_EGG) && (type != null) && (type.getName() != null)) {
            try {
                String version = Bukkit.getServer().getClass().toString().split("\\.")[3];
                Class<?> craftItemStack = Class.forName("org.bukkit.craftbukkit." + version + ".inventory.CraftItemStack");
                Object nmsItemStack = craftItemStack.getDeclaredMethod("asNMSCopy", ItemStack.class).invoke(null, item);
                Object nbtTagCompound = Class.forName("net.minecraft.server." + version + ".NBTTagCompound").newInstance();
                Field nbtTagCompoundField = nmsItemStack.getClass().getDeclaredField("tag");
                nbtTagCompoundField.setAccessible(true);
                nbtTagCompound.getClass().getMethod("setString", String.class, String.class).invoke(nbtTagCompound, "id", type.getName());
                nbtTagCompound.getClass().getMethod("set", String.class, Class.forName("net.minecraft.server." + version + ".NBTBase")).invoke(nbtTagCompoundField.get(nmsItemStack), "EntityTag", nbtTagCompound);
                item = (ItemStack) craftItemStack.getDeclaredMethod("asCraftMirror", nmsItemStack.getClass()).invoke(null, nmsItemStack);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
        return this;
    }

    public ItemBuilder setSkullTexture(String base64) {
        ItemMeta m = item.getItemMeta();
        GameProfile profile = new GameProfile(UUID.randomUUID(), null);
        profile.getProperties().put("textures", new Property("textures", base64));
        Field profileField = null;
        try {
            profileField = m.getClass().getDeclaredField("profile");
            profileField.setAccessible(true);
            profileField.set(m, profile);
        } catch (NoSuchFieldException | IllegalArgumentException | IllegalAccessException e1) {
            e1.printStackTrace();
        }
        item.setItemMeta(m);
        return this;
    }

    public ItemStack build() {
        return item;
    }