SimpleForwarder.java

/*
 * Tigase Jabber/XMPP Server
 * Copyright (C) 2004-2012 "Artur Hefczyc" <artur.hefczyc@tigase.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. Look for COPYING file in the top folder.
 * If not, see http://www.gnu.org/licenses/.
 *
 * $Rev$
 * Last modified by $Author$
 * $Date$
 */

package tigase.xmpp.impl;

//~--- non-JDK imports --------------------------------------------------------

import tigase.db.NonAuthUserRepository;

import tigase.server.Packet;

import tigase.xmpp.Authorization;
import tigase.xmpp.BareJID;
import tigase.xmpp.NotAuthorizedException;
import tigase.xmpp.XMPPException;
import tigase.xmpp.XMPPProcessor;
import tigase.xmpp.XMPPProcessorIfc;
import tigase.xmpp.XMPPResourceConnection;

//~--- JDK imports ------------------------------------------------------------

import java.util.Map;
import java.util.Queue;
import java.util.logging.Logger;

//~--- classes ----------------------------------------------------------------

/**
 * Describe class SimpleForwarder here.
 *
 *
 * Created: Sat Jan 13 16:58:41 2007
 *
 * @author <a href="mailto:artur.hefczyc@tigase.org">Artur Hefczyc</a>
 * @version $Rev$
 */
public abstract class SimpleForwarder extends XMPPProcessor implements XMPPProcessorIfc {

	/**
	 * Private logger for class instancess.
	 */
	private static Logger log = Logger.getLogger("tigase.xmpp.impl.SimpleForwarder");

	//~--- methods --------------------------------------------------------------

	/**
	 * Describe <code>process</code> method here.
	 *
	 * @param packet a <code>Packet</code> value
	 * @param session a <code>XMPPResourceConnection</code> value
	 * @param repo a <code>NonAuthUserRepository</code> value
	 * @param results a <code>Queue</code> value
	 * @param settings
	 * @throws XMPPException
	 */
	@Override
	public void process(Packet packet, XMPPResourceConnection session,
			NonAuthUserRepository repo, Queue<Packet> results, Map<String, Object> settings)
			throws XMPPException {
		if (session == null) {
			return;
		}    // end of if (session == null)

		try {
			BareJID id = packet.getStanzaTo().getBareJID();

			if (session.isUserId(id)) {

				// Yes this is message to 'this' client
				Packet result = packet.copyElementOnly();

				result.setPacketTo(session.getConnectionId(packet.getStanzaTo()));
				result.setPacketFrom(packet.getTo());
				results.offer(result);
			} else {

				// This is message to some other client
				results.offer(packet.copyElementOnly());
			}    // end of else
		} catch (NotAuthorizedException e) {
			log.warning("NotAuthorizedException for packet: " + packet);
			results.offer(Authorization.NOT_AUTHORIZED.getResponseMessage(packet,
					"You must authorize session first.", true));
		}    // end of try-catch
	}
}


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