87 lines
2.4 KiB
Java
87 lines
2.4 KiB
Java
/*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.gameserver.handler;
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import gnu.trove.TIntObjectHashMap;
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import com.l2jserver.gameserver.templates.item.L2EtcItem;
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/**
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* This class manages handlers of items
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* @version $Revision: 1.1.4.3 $ $Date: 2005/03/27 15:30:09 $
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*/
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public class ItemHandler
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{
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private final TIntObjectHashMap<IItemHandler> _datatable;
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/**
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* Create ItemHandler if doesn't exist and returns ItemHandler
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* @return ItemHandler
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*/
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public static ItemHandler getInstance()
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{
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return SingletonHolder._instance;
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}
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/**
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* Returns the number of elements contained in datatable
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* @return int : Size of the datatable
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*/
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public int size()
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{
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return _datatable.size();
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}
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/**
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* Constructor of ItemHandler
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*/
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private ItemHandler()
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{
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_datatable = new TIntObjectHashMap<>();
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}
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/**
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* Adds handler of item type in <I>datatable</I>.<BR>
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* <BR>
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* <B><I>Concept :</I></U><BR>
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* This handler is put in <I>datatable</I> Map <String ; IItemHandler > for each ID corresponding to an item type (existing in classes of package itemhandlers) sets as key of the Map.
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* @param handler (IItemHandler)
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*/
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public void registerItemHandler(IItemHandler handler)
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{
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_datatable.put(handler.getClass().getSimpleName().intern().hashCode(), handler);
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}
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/**
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* Returns the handler of the item
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* @param itemId : int designating the itemID
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* @return IItemHandler
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*/
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public IItemHandler getItemHandler(L2EtcItem item)
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{
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if ((item == null) || (item.getHandlerName() == null))
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{
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return null;
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}
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return _datatable.get(item.getHandlerName().hashCode());
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}
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@SuppressWarnings("synthetic-access")
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private static class SingletonHolder
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{
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protected static final ItemHandler _instance = new ItemHandler();
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}
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}
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