uk.org.retep.xmpp.muc.logic.RoomQueryLogic 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.
 * 
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 * 
 *   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
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 *   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.
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package uk.org.retep.xmpp.muc.logic;

import java.util.List;
import uk.org.retep.util.messaging.MessageException;
import uk.org.retep.xmpp.JID;
import uk.org.retep.xmpp.XMPPServer;
import uk.org.retep.xmpp.message.IqBuilder;
import uk.org.retep.xmpp.logic.UnexpectedMessageLogic;
import uk.org.retep.xmpp.logic.XMPPLogic;
import uk.org.retep.xmpp.logic.XMPPProtocolLogic;
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.message.Stanza;
import uk.org.retep.xmpp.muc.MucFeature;
import uk.org.retep.xmpp.muc.MucRoom;
import uk.org.retep.xmpp.muc.MucService;

/**
 * XEP-0045 6.1 Discovering Component Support for MUC
 * 
 * @author peter
 */
public enum RoomQueryLogic
        implements XMPPProtocolLogic
{

    /**
     * XEP-0045 6.3 Querying for Room Information
     */
    ROOM_INFO
    {

        @Override
        public Class getProtocol()
        {
            return org.jabber.protocol.disco_info.Query.class;
        }

        @Override
        public  XMPPLogic process( final XMPPServer server,
                                      final MucService service,
                                      final MucRoom room,
                                      final Iq iq )
                throws MessageException
        {
            final org.jabber.protocol.disco_info.QueryBuilder items = new org.jabber.protocol.disco_info.QueryBuilder();
            items.addIdentity( new org.jabber.protocol.disco_info.IdentityBuilder().//
                    setCategory( room.getSubject() ).
                    setName( "conference" ).
                    setType( "text" ) );

            for( MucFeature feature : room.getFeatures() )
            {
                feature.add( items );
            }

            server.send( iq.respondTo().setContent( items ) );

            return null;
        }
    },
    /**
     * XEP-0045 6.4 Querying for Room Items
     */
    ROOM_ITEMS
    {

        @Override
        public Class getProtocol()
        {
            return org.jabber.protocol.disco_items.Query.class;
        }

        @Override
        public  XMPPLogic process( final XMPPServer server,
                                      final MucService service,
                                      final MucRoom room,
                                      final Iq iq )
                throws MessageException
        {
            // After Example 9 it states that this list contains the membership
            // only if the information is publically available. So is this a
            // MucFeature type and which one?
            // if( public ) {
            final org.jabber.protocol.disco_items.QueryBuilder query = new org.jabber.protocol.disco_items.QueryBuilder();

            // Copy so we don't accidentally corrupt it and no locking from
            // Terracotta
            final JID roomJid = room.getJid().copyWithoutResource();

            for( String member : room.getMemberNicknames() )
            {
                query.addItem( new org.jabber.protocol.disco_items.ItemBuilder().//
                        setJid( roomJid.cloneBuilder().setResource( member ) ) );
            }
            // } // if( public )

            server.send( iq.respondTo().setContent( query ) );

            return null;
        }
    };

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoom room,
                                  final Message message )
            throws MessageException
    {
        return UnexpectedMessageLogic.INSTANCE;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoom room,
                                  final Presence presence )
            throws MessageException
    {
        return UnexpectedMessageLogic.INSTANCE;
    }

    @Override
    public  XMPPLogic process( final XMPPServer server,
                                  final MucService service,
                                  final MucRoom room,
                                  final Stanza stanza )
            throws MessageException
    {
        return UnexpectedMessageLogic.INSTANCE;
    }
}