net.sf.l2j.gameserver.datatables.NpcWalkerRoutesTable.java Source code

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Here is the source code for net.sf.l2j.gameserver.datatables.NpcWalkerRoutesTable.java

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/*
 * 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 net.sf.l2j.gameserver.datatables;

import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javolution.util.FastList;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.model.L2NpcWalkerNode;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Main Table to Load Npc Walkers Routes and Chat SQL Table.<br>
 *
 * @author Rayan RPG for L2Emu Project
 * @since 927
 */
public class NpcWalkerRoutesTable {
    private final static Log _log = LogFactory.getLog(SpawnTable.class.getName());
    private static NpcWalkerRoutesTable _instance;
    private FastList<L2NpcWalkerNode> _routes;

    public static NpcWalkerRoutesTable getInstance() {
        if (_instance == null) {
            _instance = new NpcWalkerRoutesTable();
            _log.info("Initializing Walkers Routes Table.");
        }
        return _instance;
    }

    private NpcWalkerRoutesTable() {
    }

    // FIXME: NPE while loading. :S
    public void load() {
        _routes = new FastList<L2NpcWalkerNode>();
        java.sql.Connection con = null;
        try {
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement(
                    "SELECT route_id, npc_id, move_point, chatText, move_x, move_y, move_z, delay, running FROM walker_routes");
            ResultSet rset = statement.executeQuery();
            L2NpcWalkerNode route;
            while (rset.next()) {
                route = new L2NpcWalkerNode();
                route.setRouteId(rset.getInt("route_id"));
                route.setNpcId(rset.getInt("npc_id"));
                route.setMovePoint(rset.getString("move_point"));
                route.setChatText(rset.getString("chatText"));
                route.setMoveX(rset.getInt("move_x"));
                route.setMoveY(rset.getInt("move_y"));
                route.setMoveZ(rset.getInt("move_z"));
                route.setDelay(rset.getInt("delay"));
                route.setRunning(rset.getBoolean("running"));
                _routes.add(route);
            }
            rset.close();
            statement.close();
            _log.info("WalkerRoutesTable: Loaded " + _routes.size() + " Npc Walker Routes.");
            rset.close();
            statement.close();
        } catch (Exception e) {
            _log.fatal("WalkerRoutesTable: Error while loading Npc Walkers Routes: " + e.getMessage());
        } finally {
            try {
                con.close();
            } catch (Exception e) {
            }
        }
    }

    public FastList<L2NpcWalkerNode> getRouteForNpc(int id) {
        FastList<L2NpcWalkerNode> _return = new FastList<L2NpcWalkerNode>();
        for (FastList.Node<L2NpcWalkerNode> n = _routes.head(), end = _routes.tail(); (n = n.getNext()) != end;) {
            if (n.getValue().getNpcId() == id) {
                _return.add(n.getValue());
            }
        }
        return _return;
    }
}