public override async Task <InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context,
Encoding encoding)
{
if (context == null)
{
throw new ArgumentException("{context} is null", nameof(context));
}
await using var requestStream = _recyclableMemoryStreamManager.GetStream();
await context.HttpContext.Request.Body.CopyToAsync(requestStream);
try
{
requestStream.Seek(0, SeekOrigin.Begin);
const int readChunkBufferLength = 4096;
await using var textWriter = new StringWriter();
using var reader = new StreamReader(requestStream);
var readChunk = new char[readChunkBufferLength];
int readChunkLength;
do
{
readChunkLength = await reader.ReadBlockAsync(readChunk, 0, readChunkBufferLength);
await textWriter.WriteAsync(readChunk, 0, readChunkLength);
} while (readChunkLength > 0);
var result = textWriter.ToString();
if (!string.IsNullOrEmpty(result))
{
var xmlFhirParser = new FhirXmlParser();
var resource = xmlFhirParser.ParseAsync(result);
return(await InputFormatterResult.SuccessAsync(resource));
}
}
catch
{
return(await InputFormatterResult.FailureAsync());
}
return(null);
}