content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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.
   *
   *  Aion-Lightning 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 Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package com.aionemu.gameserver.dataholders;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.xml.bind.JAXBContext;
  import javax.xml.bind.Unmarshaller;
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  
  import com.aionemu.gameserver.model.gameobjects.Npc;
  import com.aionemu.gameserver.model.gameobjects.player.Player;
  import com.aionemu.gameserver.model.templates.npc.NpcTemplate;
  import com.aionemu.gameserver.utils.PacketSendUtility;
  
  import gnu.trove.map.hash.TIntObjectHashMap;
  
  /**
   * This is a container holding and serving all {@link NpcTemplate} instances.<br>
   * Briefly: Every {@link Npc} instance represents some class of NPCs among which each have the same id, name, items, statistics. Data for such NPC class is defined in {@link NpcTemplate} and is
   * uniquely identified by npc id.
   *
   * @author Luno
   */
  @XmlRootElement(name = "npc_templates")
  @XmlAccessorType(XmlAccessType.FIELD)
  public class NpcData extends ReloadableData {
  
  	@XmlElement(name = "npc_template")
  	private List<NpcTemplate> npcs;
  	/**
  	 * A map containing all npc templates
  	 */
  	private TIntObjectHashMap<NpcTemplate> npcData = new TIntObjectHashMap<NpcTemplate>();
  
  	void afterUnmarshal(Unmarshaller u, Object parent) {
  		for (NpcTemplate npc : npcs) {
  			npcData.put(npc.getTemplateId(), npc);
  		}
  		npcs.clear();
  		npcs = null;
  	}
  
  	public int size() {
  		return npcData.size();
  	}
  
  	/**
  	 * /** Returns an {@link NpcTemplate} object with given id.
  	 *
  	 * @param id
  	 *            id of NPC
  	 * @return NpcTemplate object containing data about NPC with that id.
  	 */
  	public NpcTemplate getNpcTemplate(int id) {
  		return npcData.get(id);
  	}
  
  	/**
  	 * @return the npcData
  	 */
  	public TIntObjectHashMap<NpcTemplate> getNpcData() {
  		return npcData;
  	}
  
  	@Override
  	public void reload(Player admin) {
  		File dir = new File("./data/static_data/npcs");
  		try {
  			JAXBContext jc = JAXBContext.newInstance(StaticData.class);
  			Unmarshaller un = jc.createUnmarshaller();
  			un.setSchema(getSchema("./data/static_data/static_data.xsd"));
  			List<NpcTemplate> newTemplates = new ArrayList<NpcTemplate>();
  			for (File file : listFiles(dir, true)) {
  				NpcData data = (NpcData) un.unmarshal(file);
  				if (data != null && data.getData() != null) {
  					newTemplates.addAll(data.getData());
  				}
  			}
  			DataManager.NPC_DATA.setData(newTemplates);
  		}
  		catch (Exception e) {
  			PacketSendUtility.sendMessage(admin, "Npc reload failed!");
  			log.error("Npc reload failed!", e);
  		}
  		finally {
  			PacketSendUtility.sendMessage(admin, "Npc reload Success! Total loaded: " + DataManager.NPC_DATA.size());
  		}
  	}
  
  	@Override
  	protected List<NpcTemplate> getData() {
  		return npcs;
  	}
  
  	@Override
  	@SuppressWarnings("unchecked")
  	protected void setData(List<?> templates) {
  		this.npcs = (List<NpcTemplate>) templates;
  		afterUnmarshal(null, null);
  	}
  }
  