public static void ConfigureFormatter(this TextInputFormatter formatter, Encoding[] encodings)
{
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
if (encodings == null)
{
throw new ArgumentNullException(nameof(encodings));
}
formatter.SupportedMediaTypes.Add(YamlHeadersMediaType.Application);
formatter.SupportedMediaTypes.Add(YamlHeadersMediaType.Text);
foreach (var encoding in encodings)
{
formatter.SupportedEncodings.Add(encoding);
}
}
public override async Task<InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context, Encoding encoding)
{
var mvcOpt= context.HttpContext.RequestServices.GetRequiredService<IOptions<MvcOptions>>().Value;
var formatters = mvcOpt.InputFormatters;
TextInputFormatter formatter =null; // the real formatter : SystemTextJsonInput or Newtonsoft
Endpoint endpoint = context.HttpContext.GetEndpoint();
if(endpoint.Metadata.GetMetadata<UseSystemTextJsonAttribute>()!= null)
{
formatter= formatters.OfType<SystemTextJsonInputFormatter>().FirstOrDefault();
//formatter = formatter ?? SystemTextJsonInputFormatter
}
else if( endpoint.Metadata.GetMetadata<UseNewtonsoftJsonAttribute>() != null){
// don't use `Of<NewtonsoftJsonInputFormatter>` here because there's a NewtonsoftJsonPatchInputFormatter
formatter= (NewtonsoftJsonInputFormatter)(formatters
.Where(f =>typeof(NewtonsoftJsonInputFormatter) == f.GetType())
.FirstOrDefault());
}
else{
throw new Exception("This formatter is only used for System.Text.Json InputFormatter or NewtonsoftJson InputFormatter");
}
var result = await formatter.ReadRequestBodyAsync(context,encoding);
return result;
}
