public async Task <Request> Read(Stream input, CancellationToken cancellationToken)
{
var document = await XmlDocumentParser.Instance.Load(input, cancellationToken);
if (document.Root.Name == XName.Get("EPCISDocument", EpcisNamespaces.Capture))
{
return(new CaptureRequest
{
Header = ParseHeader(document.Root),
EventList = XmlEventsParser.ParseEvents(document.Root.XPathSelectElement("EPCISBody/EventList").Elements().ToArray()),
MasterDataList = XmlMasterDataParser.ParseMasterDatas(document.Root.XPathSelectElement("EPCISHeader/extension/EPCISMasterData/VocabularyList")?.Elements()?.ToArray() ?? new XElement[0]),
});
}
else if (document.Root.Name == XName.Get("EPCISQueryDocument", EpcisNamespaces.Query)) // Subscription result
{
return(ParseCallback(document));
}
else if (document.Root.Name == XName.Get("EPCISMasterDataDocument", EpcisNamespaces.MasterData))
{
return(new CaptureRequest
{
Header = ParseHeader(document.Root),
MasterDataList = XmlMasterDataParser.ParseMasterDatas(document.Root.Element("EPCISBody").Element("VocabularyList").Elements("Vocabulary"))
});
}
throw new Exception($"Document with root '{document.Root.Name.ToString()}' is not expected here.");
}
private Request ParseCallback(XDocument document)
{
switch (document.Root.Element("EPCISBody").Elements().First().Name.LocalName)
{
case "QueryTooLargeException":
return(new EpcisQueryCallbackException
{
Header = ParseHeader(document.Root),
SubscriptionName = document.Root.Element("EPCISBody").Element(XName.Get("QueryTooLargeException", EpcisNamespaces.Query)).Element("subscriptionID").Value,
Reason = document.Root.Element("EPCISBody").Element(XName.Get("QueryTooLargeException", EpcisNamespaces.Query)).Element("reason").Value,
CallbackType = QueryCallbackType.ImplementationException
});
case "ImplementationException":
return(new EpcisQueryCallbackException
{
Header = ParseHeader(document.Root),
SubscriptionName = document.Root.Element("EPCISBody").Element(XName.Get("ImplementationException", EpcisNamespaces.Query)).Element("subscriptionID").Value,
Reason = document.Root.Element("EPCISBody").Element(XName.Get("ImplementationException", EpcisNamespaces.Query)).Element("reason").Value,
CallbackType = QueryCallbackType.ImplementationException
});
case "QueryResults":
return(new EpcisQueryCallbackDocument
{
Header = ParseHeader(document.Root),
SubscriptionName = document.Root.Element("EPCISBody").Element(XName.Get("QueryResults", EpcisNamespaces.Query)).Element("subscriptionID").Value,
EventList = XmlEventsParser.ParseEvents(document.Root.Element("EPCISBody").Element(XName.Get("QueryResults", EpcisNamespaces.Query)).Element("resultsBody").Element("EventList").Elements().ToArray())
});
}
throw new Exception($"Document with root '{document.Root.Name.ToString()}' is not expected here.");
}
public Request Read(Stream input)
{
var document = XDocument.Load(input);
if (document.Root.Name == XName.Get("EPCISDocument", EpcisNamespaces.Capture))
{
return(new EpcisEventDocument
{
CreationDate = DateTime.Parse(document.Root.Attribute("creationDate").Value, CultureInfo.InvariantCulture),
SchemaVersion = document.Root.Attribute("schemaVersion").Value,
EventList = XmlEventsParser.ParseEvents(document.Root.XPathSelectElement("EPCISBody/EventList").Elements().ToArray())
});
}
// TODO: handle masterdata document.
//else if (document.Root.Name == XName.Get("EPCISMasterDataDocument", EpcisNamespaces.Capture))
//{
// return new EpcisMasterdataDocument();
//}
throw new Exception($"Document with root '{document.Root.Name.ToString()}' is not expected here.");
}
