ASP.NET Web API で Utf8Json を使ってみる

最速を体験したくてやってみました！
Utf8Json

参考：ASP.NET Web API で Jil JSON Serializer を使ってみる

軽量APIではデフォルト(Json.NET)との違いが見いだせず・・・
※実装理解していないので使い方が間違っているかも？？

サンプルコード

Utf8JsonMediaTypeFormatter.cs

public class Utf8JsonMediaTypeFormatter : MediaTypeFormatter
{
    public Utf8JsonMediaTypeFormatter()
    {
        SupportedMediaTypes.Add(new MediaTypeHeaderValue("application/json"));

        SupportedEncodings.Add(new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true));
        SupportedEncodings.Add(new UnicodeEncoding(bigEndian: false, byteOrderMark: true, throwOnInvalidBytes: true));
    }

    public override bool CanReadType(Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return true;
    }

    public override bool CanWriteType(Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return true;
    }

    public override Task<object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger)
    {
        return Task.FromResult(JsonSerializer.NonGeneric.Deserialize(type, readStream));
    }

    public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content, TransportContext transportContext)
    {
        JsonSerializer.NonGeneric.Serialize(type, writeStream, value);
        return Task.FromResult(writeStream);
    }
}

WebApiConfig.cs

public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.Formatters.RemoveAt(0);
        config.Formatters.Insert(0, new Utf8JsonMediaTypeFormatter());

        config.MapHttpAttributeRoutes();

        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );
    }
}