return new RoomTuple(url, user);
String userIP = root.getChild("UserIP").getText();  return new RoomTuple(url, user, userIP);
    public RoomTuple parseDoc() {	String user=null;	String url=null;	Element root;	root = doc.getRootElement();	user = root.getChild("User").getText();	url = root.getChild("Url").getText();				return new RoomTuple(url, user);    }    