private R4Model.Resource ParseJson(JsonReader reader)
{
try
{
var FhirJsonParser = new R4Serialization.FhirJsonParser();
return(FhirJsonParser.Parse <R4Model.Resource>(reader));
}
catch (Exception oExec)
{
throw new Exception("Error parsing Stu3 json to FHIR Resource, See inner exception info more info", oExec);
}
}
public override async Task <InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context, Encoding encoding)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
if (encoding.EncodingName != Encoding.UTF8.EncodingName)
{
throw new FhirFatalException(System.Net.HttpStatusCode.BadRequest, "FHIR supports UTF-8 encoding exclusively, not " + encoding.WebName);
}
var request = context.HttpContext.Request;
// TODO: Brian: Would like to know what the issue is here? Will this be resolved by the Async update to the core?
if (!request.Body.CanSeek)
{
// To avoid blocking on the stream, we asynchronously read everything
// into a buffer, and then seek back to the beginning.
request.EnableBuffering();
Debug.Assert(request.Body.CanSeek);
// no timeout configuration on this? or does that happen at another layer?
await request.Body.DrainAsync(CancellationToken.None);
request.Body.Seek(0L, SeekOrigin.Begin);
}
using (var streamReader = context.ReaderFactory(request.Body, encoding))
using (var jsonReader = new JsonTextReader(streamReader))
{
// need to configure these properties as is done in
// HL7.Fhir.SerializationUtil.JsonReaderFromJsonText()
jsonReader.DateParseHandling = DateParseHandling.None;
jsonReader.FloatParseHandling = FloatParseHandling.Decimal;
try
{
if (FhirMajorVersion == Common.Enums.FhirVersion.Stu3)
{
var resource = new R4Serialization.FhirJsonParser().Parse <R4Model.Resource>(jsonReader);
return(InputFormatterResult.Success(resource));
}
else if (FhirMajorVersion == Common.Enums.FhirVersion.R4)
{
var resource = new Stu3Serialization.FhirJsonParser().Parse <Stu3Model.Resource>(jsonReader);
return(InputFormatterResult.Success(resource));
}
else
{
throw new FhirFatalException(System.Net.HttpStatusCode.BadRequest, "Unable to resolve which major version of FHIR is in use.");
}
}
catch (FormatException exception)
{
throw new FhirFatalException(System.Net.HttpStatusCode.BadRequest, "Body parsing failed: " + exception.Message);
}
}
}