uk.org.retep.xmpp.muc.logic.RoomLookupLogic Maven / Gradle / Ivy

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/*
 * Copyright (c) 1998-2010, Peter T Mount

 * All rights reserved.
 *
 * 
 *   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 .
 * 
 *
 * 
 *        GNU GENERAL PUBLIC LICENSE - CLASSPATH EXCEPTION
 * 
 *
 * 
 *   Linking this library statically or dynamically with other modules
 *   is making a combined work based on this library. Thus, the terms
 *   and conditions of the GNU General Public License cover the whole
 *   combination.
 * 
 *
 * 
 *   As a special exception, the copyright holders of this library give
 *   you permission to link this library with independent modules to
 *   produce an executable, regardless of the license terms of these
 *   independent modules, and to copy and distribute the resulting
 *   executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the
 *   license of that module.
 * 
 *
 * 
 *   An independent module is a module which is either not derived from or based
 *   on this library, or a module who's classes extend those within this library
 *   as part of the implementation of the library.
 * 
 *
 * 
 *   If you modify this library, you may extend this exception to your version
 *   of the library, but you are not obligated to do so. If you do not wish to
 *   do so, delete this exception statement from your version.
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 */
package uk.org.retep.xmpp.muc.logic;

import uk.org.retep.logging.Log;
import uk.org.retep.logging.LogFactory;
import uk.org.retep.util.messaging.MessageException;
import uk.org.retep.xmpp.JID;
import uk.org.retep.xmpp.XMPPServer;
import uk.org.retep.xmpp.logic.UnexpectedMessageLogic;
import uk.org.retep.xmpp.logic.XMPPLogic;
import uk.org.retep.xmpp.logic.XMPPLogicProcessor;
import uk.org.retep.xmpp.message.Stanza;
import uk.org.retep.xmpp.message.Iq;
import uk.org.retep.xmpp.message.Message;
import uk.org.retep.xmpp.message.Presence;
import uk.org.retep.xmpp.muc.MucRoom;
import uk.org.retep.xmpp.muc.MucRoomSet;
import uk.org.retep.xmpp.muc.MucService;

/**
 * XMPPLogic that resolves a MucRoom from a MucSet and delegates to an XMPPLogic
 * instance with the correct room
 *
 * @author peter
 */
public enum RoomLookupLogic
        implements XMPPLogic
{

    INSTANCE;
    private Log log = LogFactory.getLog( getClass() );

    private MucRoom getRoom( final MucService service,
                             final Stanza message )
            throws MessageException
    {
        final JID jid = message.getTo();
        final MucRoom room = service.getRoomSet().get( jid.getNode() );

        if( room == null )
        {
            if( log.isDebugEnabled() )
            {
                log.debug( "Room %s not found", jid );
            }
        }
        else if( log.isDebugEnabled() )
        {
            log.debug( "Room %s found", jid );
        }

        return room;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoomSet set,
                                  final Iq iq )
            throws MessageException
    {
        final MucRoom room = getRoom( service, iq );

        XMPPLogicProcessor.process(
                service,
                room,
                room == null ? service.getRoomAbsentLogic() : service.getRoomLogic(),
                server,
                iq );

        return null;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoomSet set,
                                  final Message message )
            throws MessageException
    {
        final MucRoom room = getRoom( service, message );

        XMPPLogicProcessor.process(
                service,
                room,
                room == null ? service.getRoomAbsentLogic() : service.getRoomLogic(),
                server,
                message );

        return null;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoomSet set,
                                  final Presence presence )
            throws MessageException
    {
        final MucRoom room = getRoom( service, presence );

        XMPPLogicProcessor.process(
                service,
                room,
                room == null ? service.getRoomAbsentLogic() : service.getRoomLogic(),
                server,
                presence );

        return null;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoomSet set,
                                  final Stanza stanza )
            throws MessageException
    {
        final MucRoom room = getRoom( service, stanza );

        XMPPLogicProcessor.process(
                service,
                room,
                room == null ? service.getRoomAbsentLogic() : service.getRoomLogic(),
                server,
                stanza );

        return null;
    }
}