Used to set the cookTime for bukkit

CookTimeSetter.java

import org.bukkit.block.Furnace;

import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.inventory.FurnaceBurnEvent;
import org.bukkit.event.inventory.FurnaceSmeltEvent;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;

import org.bukkit.inventory.FurnaceInventory;

import org.bukkit.Material;

import org.bukkit.plugin.java.JavaPlugin;

public class CookTimeSetter implements Listener {

    public JavaPlugin plugin;
    public Short cookTime = (short) 100;

    CookTimeSetter(JavaPlugin plugin) {
        this.plugin = plugin;
    }

    @EventHandler
    public void furnaceBurn(FurnaceBurnEvent event) {
        // Setting cookTime when the fuel is consumed
        Furnace furnace = (Furnace) event.getBlock().getState();
        furnace.setCookTime(cookTime);
    }

    @EventHandler
    public void furnaceSmeltEvent(FurnaceSmeltEvent event) {
        // Setting cookTime after cooking an item (and the fuel is still burning)
        Furnace furnace = (Furnace) event.getBlock().getState();
        furnace.setCookTime(cookTime);
    }

    @EventHandler
    public void onInventoryClick(InventoryClickEvent event) {
        if(event.getInventory() instanceof FurnaceInventory) {
            return;
        }

        Furnace furnace = (Furnace) (event.getWhoClicked().getTargetBlock(null, 10)).getState();

        // Setting cookTime when the furnace is empty but already burning
        if ((event.getSlot() == 0 || event.getSlot() == 1) // Click in one of the two slots
            && event.getCursor().getType() != Material.AIR // With an item
            && furnace.getCookTime() > cookTime) {         // The furnace is not already burning something
            furnace.setCookTime(cookTime);
        }
    }

}