actual freya branch

L2J_Server/java/com/l2jserver/gameserver/handler/ItemHandler.java

@@ -0,0 +1,86 @@
+/*
+ * 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 com.l2jserver.gameserver.handler;
+
+import gnu.trove.TIntObjectHashMap;
+
+import com.l2jserver.gameserver.templates.item.L2EtcItem;
+
+/**
+ * This class manages handlers of items
+ * @version $Revision: 1.1.4.3 $ $Date: 2005/03/27 15:30:09 $
+ */
+public class ItemHandler
+{
+	private final TIntObjectHashMap<IItemHandler> _datatable;
+	
+	/**
+	 * Create ItemHandler if doesn't exist and returns ItemHandler
+	 * @return ItemHandler
+	 */
+	public static ItemHandler getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	/**
+	 * Returns the number of elements contained in datatable
+	 * @return int : Size of the datatable
+	 */
+	public int size()
+	{
+		return _datatable.size();
+	}
+	
+	/**
+	 * Constructor of ItemHandler
+	 */
+	private ItemHandler()
+	{
+		_datatable = new TIntObjectHashMap<>();
+	}
+	
+	/**
+	 * Adds handler of item type in <I>datatable</I>.<BR>
+	 * <BR>
+	 * <B><I>Concept :</I></U><BR>
+	 * This handler is put in <I>datatable</I> Map &lt;String ; IItemHandler &gt; for each ID corresponding to an item type (existing in classes of package itemhandlers) sets as key of the Map.
+	 * @param handler (IItemHandler)
+	 */
+	public void registerItemHandler(IItemHandler handler)
+	{
+		_datatable.put(handler.getClass().getSimpleName().intern().hashCode(), handler);
+	}
+	
+	/**
+	 * Returns the handler of the item
+	 * @param itemId : int designating the itemID
+	 * @return IItemHandler
+	 */
+	public IItemHandler getItemHandler(L2EtcItem item)
+	{
+		if ((item == null) || (item.getHandlerName() == null))
+		{
+			return null;
+		}
+		return _datatable.get(item.getHandlerName().hashCode());
+	}
+	
+	@SuppressWarnings("synthetic-access")
+	private static class SingletonHolder
+	{
+		protected static final ItemHandler _instance = new ItemHandler();
+	}
+}