BuddyTable.java

/**
 *                            License
 * THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS  
 * CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). 
 * THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW.  
 * ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR  
 * COPYRIGHT LAW IS PROHIBITED.
 * 
 * BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND  
 * AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE. TO THE EXTENT THIS LICENSE  
 * MAY BE CONSIDERED TO BE A CONTRACT, THE LICENSOR GRANTS YOU THE RIGHTS CONTAINED 
 * HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND CONDITIONS.
 * 
 */
package l1j.server.server.datatables;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import l1j.server.L1DatabaseFactory;
import l1j.server.server.model.L1Buddy;
import l1j.server.server.utils.SQLUtil;
import l1j.server.server.utils.collections.Maps;

// import l1j.server.server.model.Instance.L1PcInstance;

// Referenced classes of package l1j.server.server:
// IdFactory

public class BuddyTable {

	private static Logger _log = Logger.getLogger(BuddyTable.class.getName());

	private static BuddyTable _instance;

	private final Map<Integer, L1Buddy> _buddys = Maps.newMap();

	public static BuddyTable getInstance() {
		if (_instance == null) {
			_instance = new BuddyTable();
		}
		return _instance;
	}

	private BuddyTable() {

		Connection con = null;
		PreparedStatement charIdPS = null;
		ResultSet charIdRS = null;
		try {
			con = L1DatabaseFactory.getInstance().getConnection();
			charIdPS = con.prepareStatement("SELECT distinct(char_id) as char_id FROM character_buddys");

			charIdRS = charIdPS.executeQuery();
			while (charIdRS.next()) {
				PreparedStatement buddysPS = null;
				ResultSet buddysRS = null;

				try {
					buddysPS = con.prepareStatement("SELECT buddy_id, buddy_name FROM character_buddys WHERE char_id = ?");
					int charId = charIdRS.getInt("char_id");
					buddysPS.setInt(1, charId);
					L1Buddy buddy = new L1Buddy(charId);

					buddysRS = buddysPS.executeQuery();
					while (buddysRS.next()) {
						buddy.add(buddysRS.getInt("buddy_id"), buddysRS.getString("buddy_name"));
					}

					_buddys.put(buddy.getCharId(), buddy);
				}
				catch (Exception e) {
					_log.log(Level.SEVERE, e.getLocalizedMessage(), e);
				}
				finally {
					SQLUtil.close(buddysRS);
					SQLUtil.close(buddysPS);
				}
			}
			_log.config("loaded " + _buddys.size() + " character's buddylists");
		}
		catch (SQLException e) {
			_log.log(Level.SEVERE, e.getLocalizedMessage(), e);
		}
		finally {
			SQLUtil.close(charIdRS);
			SQLUtil.close(charIdPS);
			SQLUtil.close(con);
		}
	}

	public L1Buddy getBuddyTable(int charId) {
		L1Buddy buddy = _buddys.get(charId);
		if (buddy == null) {
			buddy = new L1Buddy(charId);
			_buddys.put(charId, buddy);
		}
		return buddy;
	}

	public void addBuddy(int charId, int objId, String name) {
		Connection con = null;
		PreparedStatement pstm = null;
		try {

			con = L1DatabaseFactory.getInstance().getConnection();
			pstm = con.prepareStatement("INSERT INTO character_buddys SET char_id=?, buddy_id=?, buddy_name=?");
			pstm.setInt(1, charId);
			pstm.setInt(2, objId);
			pstm.setString(3, name);
			pstm.execute();
		}
		catch (SQLException e) {
			_log.log(Level.SEVERE, e.getLocalizedMessage(), e);
		}
		finally {
			SQLUtil.close(pstm);
			SQLUtil.close(con);
		}
	}

	public void removeBuddy(int charId, String buddyName) {
		Connection con = null;
		PreparedStatement pstm = null;
		L1Buddy buddy = getBuddyTable(charId);
		if (!buddy.containsName(buddyName)) {
			return;
		}

		try {
			con = L1DatabaseFactory.getInstance().getConnection();
			pstm = con.prepareStatement("DELETE FROM character_buddys WHERE char_id=? AND buddy_name=?");
			pstm.setInt(1, charId);
			pstm.setString(2, buddyName);
			pstm.execute();

			buddy.remove(buddyName);
		}
		catch (SQLException e) {
			_log.log(Level.SEVERE, e.getLocalizedMessage(), e);
		}
		finally {
			SQLUtil.close(pstm);
			SQLUtil.close(con);
		}
	}
}