l2j-server-game/L2_GameServer/java/net/sf/l2j/gameserver/clientpackets/RequestFriendDel.java

/*
 * 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.clientpackets;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.logging.Level;
import java.util.logging.Logger;

import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.serverpackets.SystemMessage;

/**
 * This class ...
 *
 * @version $Revision: 1.3.4.2 $ $Date: 2005/03/27 15:29:30 $
 */
public final class RequestFriendDel extends L2GameClientPacket{

	private static final String _C__61_REQUESTFRIENDDEL = "[C] 61 RequestFriendDel";
	private static Logger _log = Logger.getLogger(RequestFriendDel.class.getName());

	private String _name;

	@Override
	protected void readImpl()
	{
		_name = readS();
	}

	@Override
	protected void runImpl()
	{
		SystemMessage sm;
		java.sql.Connection con = null;
		L2PcInstance activeChar = getClient().getActiveChar();
        if (activeChar == null)
            return;

		try
		{
		    L2PcInstance friend = L2World.getInstance().getPlayer(_name);
		    con = L2DatabaseFactory.getInstance().getConnection();
		    PreparedStatement statement;
		    ResultSet rset;
		    if (friend != null)
            {
    			statement = con.prepareStatement("SELECT friendId FROM character_friends WHERE charId=? and friendId=?");
    			statement.setInt(1, activeChar.getObjectId());
    			statement.setInt(2, friend.getObjectId());
    			rset = statement.executeQuery();
    			if (!rset.next())
                {
    			    statement.close();
    			    // Player is not in your friendlist
    			    sm = new SystemMessage(SystemMessageId.S1_NOT_ON_YOUR_FRIENDS_LIST);
    			    sm.addString(_name);
    			    activeChar.sendPacket(sm);
    			    sm = null;
    			    return;
    			}
		    } else
            {
    			statement = con.prepareStatement("SELECT friendId FROM character_friends AS cf, characters AS c WHERE cf.charId=? AND cf.friendId=c.charId AND char_name=?");
    			statement.setInt(1, activeChar.getObjectId());
    			statement.setString(2, _name);
    			rset = statement.executeQuery();
    			if (!rset.next())
                {
    				statement.close();
    				// Player is not in your friendlist
    				sm = new SystemMessage(SystemMessageId.S1_NOT_ON_YOUR_FRIENDS_LIST);
    				sm.addString(_name);
    				activeChar.sendPacket(sm);
    				sm = null;
    				return;
    			}
		    }

			int objectId = rset.getInt("friendId");
			statement.close();
            rset.close();

			statement = con.prepareStatement("DELETE FROM character_friends WHERE (charId=? AND friendId=?) OR (charId=? AND friendId=?)");
			statement.setInt(1, activeChar.getObjectId());
			statement.setInt(2, objectId);
			statement.setInt(3, objectId);
            statement.setInt(4, activeChar.getObjectId());
			statement.execute();
			// Player deleted from your friendlist
			sm = new SystemMessage(SystemMessageId.S1_HAS_BEEN_DELETED_FROM_YOUR_FRIENDS_LIST);
			sm.addString(_name);
			activeChar.sendPacket(sm);
			sm = null;

			statement.close();
		}
		catch (Exception e)
		{
		    _log.log(Level.WARNING, "could not del friend objectid: ", e);
		}
		finally
		{
		    try { con.close(); } catch (Exception e) {}
		}

	}


	@Override
	public String getType()
	{
		return _C__61_REQUESTFRIENDDEL;
	}
}