/** * Creates a new item stack derived from the specified stack * * @param stack the stack to copy * @throws IllegalArgumentException if the specified stack is null or returns an item meta not * created by the item factory */ public ItemStack(final ItemStack stack) throws IllegalArgumentException { Validate.notNull(stack, "Cannot copy null stack"); this.type = stack.getTypeId(); this.amount = stack.getAmount(); this.durability = stack.getDurability(); this.data = stack.getData(); if (stack.hasItemMeta()) { setItemMeta0(stack.getItemMeta(), getType0()); } }