/**
* $RCSfile$
* $Revision: 684 $
* $Date: 2004-12-11 23:30:40 -0300 (Sat, 11 Dec 2004) $
*
* Copyright (C) 2005-2008 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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");
}
}
@Override
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;
}
@Override
public IQHandlerInfo getInfo() {
return info;
}
public Iterator<String> getFeatures() {
List<String> features = new ArrayList<String>();
features.add("jabber:iq:version");
return features.iterator();
}
}