public void HandleIQStanza(XElement iqStanza)
{
if (iqStanza.Attribute("type").Value == "result" || iqStanza.Attribute("type").Value == "error") { //it's a response
var responseId = iqStanza.Attribute("id").Value;
if(!_iqRequests.ContainsKey(responseId)) {
throw new InvalidOperationException("IQ response has no corresponding requests");
}
var iqRequest = _iqRequests[responseId];
JId from = iqStanza.Attribute("from") != null ? JId.Parse(iqStanza.Attribute("from").Value) : null;
JId to = iqStanza.Attribute("to") != null ? JId.Parse(iqStanza.Attribute("to").Value) : null;
IQResponse iqResponse;
if(iqStanza.Attribute("type").Value == "result") {
var content = iqStanza.Elements().First().Elements().ToArray();
iqResponse = new IQResponse(from, to, iqStanza.Descendants().First().Name.LocalName, content);
}
else {
var error = Error.CreateFromXml(iqStanza.Element("error"));
iqResponse = new IQResponse(from, to, error);
}
iqRequest.ResponseCallback(iqResponse);
}
else HandleIQStanzaPush(iqStanza);
}
private void OnRosterInitialResult(IQResponse response)
{
if(response.ResponseType == IQResponseType.Result) {
foreach (var itemElement in response.Content) {
var jid = JId.Parse(itemElement.Attribute("jid").Value);
string name = itemElement.Attribute("name") != null ? itemElement.Attribute("name").Value : null;
var subscriptionType = itemElement.Attribute("subscription") != null ? (RosterItemSubscriptionType)Enum.Parse(typeof(RosterItemSubscriptionType), itemElement.Attribute("subscription").Value, true) : RosterItemSubscriptionType.None;
var rosterItem = new RosterItem(jid, name, subscriptionType);
foreach (var groupElement in itemElement.Descendants(XName.Get("group", Namespace))) {
rosterItem.Groups.Add(groupElement.Value);
}
AddOrUpdate(rosterItem);
}
SendPresence(null, null);
} //TODO: handle error
}