/// <summary>
/// Deserialize the request
/// </summary>
public void DeserializeRequest(EndpointOperation operation, RestRequestMessage request, object[] parameters)
{
try
{
var httpRequest = RestOperationContext.Current.IncomingRequest;
string contentType = httpRequest.Headers["Content-Type"];
for (int pNumber = 0; pNumber < parameters.Length; pNumber++)
{
var parm = operation.Description.InvokeMethod.GetParameters()[pNumber];
// Simple parameter
if (parameters[pNumber] != null)
{
continue;
}
// Use XML Serializer
if (contentType?.StartsWith("application/fhir+xml") == true)
{
using (XmlReader bodyReader = XmlReader.Create(request.Body))
{
while (bodyReader.NodeType != XmlNodeType.Element)
{
bodyReader.Read();
}
Type eType = s_knownTypes.FirstOrDefault(o => o.GetCustomAttribute <XmlRootAttribute>()?.ElementName == bodyReader.LocalName &&
o.GetCustomAttribute <XmlRootAttribute>()?.Namespace == bodyReader.NamespaceURI);
var serializer = XmlModelSerializerFactory.Current.CreateSerializer(eType);
parameters[pNumber] = serializer.Deserialize(request.Body);
}
}
// Use JSON Serializer
else if (contentType?.StartsWith("application/fhir+json") == true)
{
// Now read the JSON data
Object fhirObject = null;
using (StreamReader sr = new StreamReader(request.Body))
{
string fhirContent = sr.ReadToEnd();
fhirObject = new FhirJsonParser().Parse(fhirContent);
}
// Now we want to serialize the FHIR MODEL object and re-parse as our own API bundle object
if (fhirObject != null)
{
MemoryStream ms = new MemoryStream(new FhirXmlSerializer().SerializeToBytes(fhirObject as Hl7.Fhir.Model.Resource));
var xsz = XmlModelSerializerFactory.Current.CreateSerializer(fhirObject.GetType());
parameters[pNumber] = xsz.Deserialize(ms);
}
else
{
parameters[pNumber] = null;
}
}
else if (contentType != null)// TODO: Binaries
{
throw new InvalidOperationException("Invalid request format");
}
}
}
catch (Exception e)
{
this.m_traceSource.TraceEvent(EventLevel.Error, e.ToString());
throw;
}
}
