/** * $RCSfile$ * $Revision: 684 $ * $Date: 2004-12-11 23:30:40 -0300 (Sat, 11 Dec 2004) $ * * Copyright (C) 2007 Jive Software. All rights reserved. * * This software is published under the terms of the GNU Public License (GPL), * a copy of which is included in this distribution. */ package org.jivesoftware.openfire.handler; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.QName; import org.jivesoftware.admin.AdminConsole; import org.jivesoftware.openfire.IQHandlerInfo; import org.jivesoftware.openfire.PacketException; import org.jivesoftware.openfire.disco.ServerFeaturesProvider; import org.xmpp.packet.IQ; import org.xmpp.packet.PacketError; import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * Implements the TYPE_IQ jabber:iq:version protocol (version info). Allows * XMPP entities to query each other's application versions. The server * will respond with its current version info. * * @author Iain Shigeoka */ public class IQVersionHandler extends IQHandler implements ServerFeaturesProvider { private static Element bodyElement; private IQHandlerInfo info; public IQVersionHandler() { super("XMPP Server Version Handler"); info = new IQHandlerInfo("query", "jabber:iq:version"); if (bodyElement == null) { bodyElement = DocumentHelper.createElement(QName.get("query", "jabber:iq:version")); bodyElement.addElement("name").setText(AdminConsole.getAppName()); bodyElement.addElement("os").setText("Java " + System.getProperty("java.version")); bodyElement.addElement("version"); } } public IQ handleIQ(IQ packet) throws PacketException { if (IQ.Type.get == packet.getType()) { // Could cache this information for every server we see Element answerElement = bodyElement.createCopy(); answerElement.element("name").setText(AdminConsole.getAppName()); answerElement.element("version").setText(AdminConsole.getVersionString()); IQ result = IQ.createResultIQ(packet); result.setChildElement(answerElement); return result; } else if (IQ.Type.set == packet.getType()) { // Answer an not-acceptable error since IQ should be of type GET IQ result = IQ.createResultIQ(packet); result.setError(PacketError.Condition.not_acceptable); return result; } // Ignore any other type of packet return null; } public IQHandlerInfo getInfo() { return info; } public Iterator<String> getFeatures() { List<String> features = new ArrayList<String>(); features.add("jabber:iq:version"); return features.iterator(); } }