private void BriefAction(XmlReader reader, ServiceAction action)
{
reader.Read();
foreach (Argument argument in action.Arguments.Values)
{
argument.Value = argument.RelatedStateVariable.DefaultValue;
}
while (Helper.ReadToNextElement(reader))
{
if (!action.Arguments.ContainsKey(reader.Name))
{
throw UpnpControlException.InvalidArgs();
}
Argument argument = action.Arguments[reader.Name];
if (argument.RelatedStateVariable.DataType.IsEnum)
{
try {
argument.Value = Enum.Parse(argument.RelatedStateVariable.DataType, reader.ReadString());
} catch {
throw UpnpControlException.ArgumentValueOutOfRange();
}
}
else
{
try {
argument.Value = Convert.ChangeType(reader.ReadString(), argument.RelatedStateVariable.DataType);
} catch {
throw UpnpControlException.InvalidArgs();
}
// TODO handle min, max, and step
}
}
reader.Close();
}
private void HandleContextCore(HttpListenerContext context)
{
XmlReader reader = XmlReader.Create(context.Request.InputStream);
reader.ReadToFollowing("Body", Protocol.SoapEnvelopeSchema);
while (Helper.ReadToNextElement(reader))
{
if (!service.Actions.ContainsKey(reader.LocalName))
{
throw UpnpControlException.InvalidAction();
}
ServiceAction action = service.Actions[reader.LocalName];
BriefAction(reader.ReadSubtree(), action);
try {
action.Execute();
} catch (UpnpControlException) {
throw;
} catch (ArgumentOutOfRangeException e) {
throw UpnpControlException.ArgumentValueOutOfRange(e.Message);
} catch (ArgumentException e) {
throw UpnpControlException.ArgumentValueInvalid(e.Message);
} catch (NotImplementedException e) {
throw UpnpControlException.OptionalActionNotImplimented(e.Message);
} catch (Exception e) {
throw UpnpControlException.ActionFailed(e.Message);
}
DebriefAction(context, action);
}
}
