L2j Noblesse Manager

/*
 * 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 custom.NoblesseManager;

import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.quest.Quest;
import com.l2jserver.gameserver.model.quest.QuestState;
import com.l2jserver.gameserver.instancemanager.QuestManager;
import com.l2jserver.gameserver.network.serverpackets.UserInfo;

/*********************************
 * @author Gladicek              *
 * Custom Npc 'Noblesse Manager' *
 ********************************/

  public class NoblesseManager extends Quest
{
  // Npc
    private static final int NpcId = 49296; // Custom Npc
  // Item
  private static final int ItemId = 6673; // Festival Adena
  private static final int NOBLESS_TIARA = 7694;
  // Level check
  private static final int LEVEL = 75;

    public NoblesseManager(int questId, String name, String descr)
    {
        super(questId, name, descr);
        addStartNpc(NpcId);
    addFirstTalkId(NpcId);
    addTalkId(NpcId);
    }

    @Override
    public String onFirstTalk(L2Npc npc, L2PcInstance player)
    {
        QuestState st = player.getQuestState(getName());
        if (st == null)
        {
            Quest q = QuestManager.getInstance().getQuest(getName());
            st = q.newQuestState(player);
    }
        return "49296.htm";
    }

    @Override
    public String onAdvEvent(String event, L2Npc npc, L2PcInstance player)
    {
        String htmltext = event;
        final QuestState st = player.getQuestState(getName());

        if (event.equalsIgnoreCase("noblesse"))
        {
      if (st.getQuestItemsCount(ItemId) >= 10 && player.getLevel() >= LEVEL)  // 10x Festival Adena  and "LEVEL" check
      {
        st.takeItems(ItemId,10);
        player.setNoble(!player.isNoble());
        st.giveItems(NOBLESS_TIARA,1);
        player.sendPacket(new UserInfo(player));
        player.sendMessage("Congratulations! You are now Noblesse!");
        return null;
      }
      else
        return "49296-no.htm";
     }
       else if (event.equalsIgnoreCase("49296-1.htm"))
     {
       if (player.isNoble())
       {
         return "49296-already.htm";
       }
     }
     return htmltext;
   }

    public static void main(String[] args)
    {
        new NoblesseManager(-1, "NoblesseManager", "custom");
    _log.info("NoblesseManager: Loaded successfully.");
    }
}