kapuk99

package net.sf.odinms.server;

import java.io.File;
import java.util.HashMap;
import java.util.Map;
import net.sf.odinms.provider.MapleData;
import net.sf.odinms.provider.MapleDataProvider;
import net.sf.odinms.provider.MapleDataProviderFactory;
import net.sf.odinms.provider.MapleDataTool;
import net.sf.odinms.tools.StringUtil;

public class CashItemFactory {
    private static Map<Integer, Integer> snLookup = new HashMap<Integer,Integer>();
    private static Map<Integer, CashItemInfo> itemStats = new HashMap<Integer, CashItemInfo>();
    private static MapleDataProvider data = MapleDataProviderFactory.getDataProvider(new File(System.getProperty("net.sf.odinms.wzpath") + "/Etc.wz"));
    private static MapleData commodities = data.getData(StringUtil.getLeftPaddedStr("Commodity.img", '0', 11));
    private static CashItemFactory instance = null;

    public static CashItemInfo getItem(int sn) {
        CashItemInfo stats = itemStats.get(sn);
        if (stats == null) {
            int cid = getCommodityFromSN(sn);

            int itemId = MapleDataTool.getIntConvert(cid + "/ItemId",commodities);
            int count = MapleDataTool.getIntConvert(cid + "/Count",commodities,1);
            int price = MapleDataTool.getIntConvert(cid + "/Price",commodities,0);

            stats = new CashItemInfo(itemId, count, price);

            itemStats.put(sn, stats);
        }

        return stats;
    }

    public static CashItemFactory getInstance() {
        if (instance == null)
            instance = new CashItemFactory();
        return instance;
    }

    private static int getCommodityFromSN(int sn) {
        int cid;

        if (snLookup.get(sn) == null) {
            int curr = snLookup.size() - 1;
            int currSN = 0;
            if (curr == -1) {
                curr = 0;
                currSN = MapleDataTool.getIntConvert("0/SN",commodities);
                snLookup.put(currSN, curr);

            }
            for (int i = snLookup.size() - 1; currSN != sn; i++) {
                curr = i;
                currSN = MapleDataTool.getIntConvert(curr + "/SN",commodities);
                snLookup.put(currSN, curr);
            }
            cid = curr;
        } else {
            cid = snLookup.get(sn);
        }
        return cid;
    }
}