public async Task <EpcisQuery> Read(Stream input, CancellationToken cancellationToken)
{
var document = await XmlDocumentParser.Instance.Load(input, cancellationToken);
if (document.Root.Name.LocalName == "EPCISQueryDocument")
{
var element = document.Root.Element("EPCISBody").Elements().FirstOrDefault();
if (element != null)
{
if (element.Name == XName.Get("GetQueryNames", EpcisNamespaces.Query))
{
return(new GetQueryNames());
}
if (element.Name == XName.Get("GetSubscriptionIDs", EpcisNamespaces.Query))
{
return new GetSubscriptionIds {
QueryName = element.Element("queryName").Value
}
}
;
if (element.Name == XName.Get("GetStandardVersion", EpcisNamespaces.Query))
{
return(new GetStandardVersion());
}
if (element.Name == XName.Get("GetVendorVersion", EpcisNamespaces.Query))
{
return(new GetVendorVersion());
}
if (element.Name == XName.Get("Poll", EpcisNamespaces.Query))
{
return(XmlQueryParser.Parse(element));
}
if (element.Name == XName.Get("Subscribe", EpcisNamespaces.Query))
{
return(XmlSubscriptionParser.ParseSubscription(element));
}
if (element.Name == XName.Get("Unsubscribe", EpcisNamespaces.Query))
{
return(XmlSubscriptionParser.ParseUnsubscription(element));
}
throw new Exception($"Element not expected: '{element?.Name?.LocalName ?? null}'");
}
throw new Exception($"EPCISBody element must contain the query type.");
}
throw new Exception($"Element not expected: '{document.Root.Name.LocalName}'");
}
private EpcisQuery ReadRequest(XElement body)
{
var element = body.Elements().SingleOrDefault(x => x.Name.NamespaceName == EpcisNamespaces.Query);
if (element != null)
{
if (element.Name == XName.Get("GetQueryNames", EpcisNamespaces.Query))
{
return(new GetQueryNames());
}
if (element.Name == XName.Get("GetSubscriptionIDs", EpcisNamespaces.Query))
{
return(new GetSubscriptionIds {
QueryName = element.Element("queryName").Value
});
}
if (element.Name == XName.Get("GetStandardVersion", EpcisNamespaces.Query))
{
return(new GetStandardVersion());
}
if (element.Name == XName.Get("GetVendorVersion", EpcisNamespaces.Query))
{
return(new GetVendorVersion());
}
if (element.Name == XName.Get("Poll", EpcisNamespaces.Query))
{
return(XmlQueryParser.Parse(element));
}
if (element.Name == XName.Get("Subscribe", EpcisNamespaces.Query))
{
return(XmlSubscriptionParser.ParseSubscription(element));
}
if (element.Name == XName.Get("Unsubscribe", EpcisNamespaces.Query))
{
return(XmlSubscriptionParser.ParseUnsubscription(element));
}
throw new Exception($"Element not expected: '{element?.Name?.LocalName ?? null}'");
}
throw new Exception($"Invalid SOAP request: empty Body.");
}