onItemCraftedByPlayer - PlayerEvents

@SubscribeEvent
public void onItemCraftedByPlayer(ItemCraftedEvent event)
{
    CraftingRequirement requirement = CraftingRequirement.getCraftingRequirement(event.crafting);
    if(requirement != null)
    {
        ItemStack stack = event.crafting;

        //ExperienceReward is acquired from the amount made and the experience reward multiplied
        int experienceReward = stack.stackSize * requirement.getExperienceReward();

        //Gives experience to the player
        SuperSkill.get(event.player, SkillDB.SKILL_NAMES.Crafting.toString()).giveXp(experienceReward);
        if(requirement.isCollectable())
        {
            //Get the index of the stack being created
            int indexOfCollection = CollectionWrapper.getIndexOfCollection(Item.getIdFromItem(stack.getItem()), stack.getMetadata());
            if(indexOfCollection != -1)
            {
                //Increase the collection stat by the stack size
                ((Collection)SuperSkill.get(event.player, SkillDB.SKILL_NAMES.Collection.toString())).incrementCollectionStatByAmount(indexOfCollection, stack.stackSize);
            }
        }
    }
}