Request Can you tell me what i did? :D

[HwoarangX]

/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.itemhandlers;

import net.sf.l2j.gameserver.handler.IItemHandler;
import net.sf.l2j.gameserver.model.actor.L2Playable;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.item.instance.ItemInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.ChooseInventoryItem;

public class EnchantScrolls implements IItemHandler
{
    @Override
    public void useItem(L2Playable playable, ItemInstance item, boolean forceUse)
    {
        if (!(playable instanceof L2PcInstance))
            return;
        
        final L2PcInstance activeChar = (L2PcInstance) playable;
        if (activeChar.isCastingNow())
            return;
        
        if (activeChar.getActiveEnchantItem() == null)
            activeChar.sendPacket(SystemMessageId.SELECT_ITEM_TO_ENCHANT);
        
        activeChar.setActiveEnchantItem(item);
        activeChar.sendPacket(new ChooseInventoryItem(item.getItemId()));
    }
    
    
    public int[] getItemIds()
    {
        int[] ITEM_IDS = null;
        return ITEM_IDS;
        }
        }

 

i have added this and can you tell me what exactly i add or change? :D i know its seams stupid but maybe any1 know :D