/*
* Tigase Jabber/XMPP Server
* Copyright (C) 2004-2007 "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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. Look for COPYING file in the top folder.
* If not, see http://www.gnu.org/licenses/.
*
* $Rev: 1123 $
* Last modified by $Author: kobit $
* $Date: 2008-09-10 19:52:51 +0100 (Wed, 10 Sep 2008) $
*/
package tigase.xmpp.impl;
import java.util.Arrays;
import java.util.Queue;
import java.util.Map;
import java.util.logging.Logger;
import tigase.conf.Configurable;
import tigase.db.NonAuthUserRepository;
import tigase.server.Packet;
import tigase.util.JIDUtils;
import tigase.xml.Element;
import tigase.xmpp.Authorization;
import tigase.xmpp.PacketErrorTypeException;
import tigase.xmpp.NotAuthorizedException;
import tigase.xmpp.XMPPProcessor;
import tigase.xmpp.XMPPProcessorIfc;
import tigase.xmpp.XMPPResourceConnection;
/**
* XEP-0199: XMPP Ping
*
*
* @author <a href="mailto:bmalkow@tigase.org">Bartosz Małkowski</a>
* @version $Rev: 1123 $
*/
public class UrnXmppPing extends XMPPProcessor implements XMPPProcessorIfc {
private static final String XMLNS = "urn:xmpp:ping";
private static final Element[] DISCO_FEATURES =
{ new Element("feature", new String[] { "var" }, new String[] { XMLNS }) };
private static final String[] ELEMENTS = { "ping" };
private static final String ID = XMLNS;
private static final Logger log =
Logger.getLogger("tigase.xmpp.impl.UrnXmppPing");
private static final String[] XMLNSS = { XMLNS };
public String id() {
return ID;
}
public void process(final Packet packet, final XMPPResourceConnection session,
final NonAuthUserRepository repo, final Queue<Packet> results,
final Map<String, Object> settings) {
if (session == null) {
try {
results.offer(Authorization.SERVICE_UNAVAILABLE.getResponseMessage(packet,
"Service not available.", true));
} catch (PacketErrorTypeException e) {
log.fine("This is already ping error packet, ignoring... "
+ packet.toString());
}
return;
}
String id = session.getDomain();
if (packet.getElemTo() != null) {
id = JIDUtils.getNodeID(packet.getElemTo());
}
if (id == null || id.equals("") || id.equalsIgnoreCase(session.getDomain())
|| session.getConnectionId() == Configurable.NULL_ROUTING) {
results.offer(packet.okResult((Element) null, 0));
return;
}
try {
if (id.equals(session.getUserId())) {
Element elem = packet.getElement().clone();
Packet result = new Packet(elem);
result.setTo(session.getConnectionId(packet.getElemTo()));
result.setFrom(packet.getTo());
results.offer(result);
} else {
Element result = packet.getElement().clone();
results.offer(new Packet(result));
}
} catch (NotAuthorizedException e) {
log.warning("NotAuthorizedException for packet: " + packet.getStringData());
}
}
public Element[] supDiscoFeatures(final XMPPResourceConnection session) {
return DISCO_FEATURES;
}
public String[] supElements() { return ELEMENTS; }
public String[] supNamespaces() { return XMLNSS; }
}