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MessagePack for Web API
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net.Http.Formatting;
using MsgPack.Serialization;
using System.Threading.Tasks;
using System.IO;
using System.Net.Http.Headers;
using System.Net;
using System.Net.Http;
using System.Collections;
using MsgPack;
using WebApi.MessagePack.Models;
namespace WebApi.MessagePack.Infrastructure
{
public class MessagePackMediaTypeFormatter : MediaTypeFormatter
{
private const string mime = "application/x-msgpack";
Func<Type, bool> IsAllowedType = (t) =>
{
if (!t.IsAbstract && !t.IsInterface && t != null && !t.IsNotPublic)
return true;
return false;
};
public MessagePackMediaTypeFormatter()
{
SupportedMediaTypes.Add(new MediaTypeHeaderValue(mime));
}
public override bool CanReadType(Type type)
{
if (type == null) throw new ArgumentNullException("type is null");
return IsAllowedType(type);
}
public override bool CanWriteType(Type type)
{
if (type == null) throw new ArgumentNullException("Type is null");
return IsAllowedType(type);
}
public override Task WriteToStreamAsync(Type type, object value, Stream stream, HttpContent content, TransportContext transportContext)
{
if (type == null) throw new ArgumentNullException("type is null");
if (stream == null) throw new ArgumentNullException("Write stream is null");
var tcs = new TaskCompletionSource<object>();
if (typeof(IEnumerable).IsAssignableFrom(type)) {
value = (value as IEnumerable<object>).ToList();
}
var serializer = MessagePackSerializer.Create<dynamic>();
serializer.Pack(stream, value);
tcs.SetResult(null);
return tcs.Task;
}
public override Task<object> ReadFromStreamAsync(Type type, Stream stream, HttpContent content, IFormatterLogger formatterLogger)
{
var tcs = new TaskCompletionSource<object>();
if (content.Headers != null && content.Headers.ContentLength == 0) return null;
try
{
var serializer = MessagePackSerializer.Create(type);
object result;
using (var unpacker = Unpacker.Create(stream))
{
unpacker.Read();
result = serializer.UnpackFrom(unpacker);
}
tcs.SetResult(result);
}
catch (Exception e)
{
if (formatterLogger == null) throw;
formatterLogger.LogError(String.Empty, e.Message);
tcs.SetResult(GetDefaultValueForType(type));
}
return tcs.Task;
}
}
}
//READ SINGLE
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost:49745/api/values/1");
request.Headers.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/x-msgpack"));
var result = client.SendAsync(request).Result;
var serializer = MessagePackSerializer.Create<WebApi.MessagePack.Models.Url>();
Url data = serializer.Unpack(result.Content.ReadAsStreamAsync().Result);
//READ COLLECTION
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost:49745/api/values/");
request.Headers.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/x-msgpack"));
var result = client.SendAsync(request).Result;
var serializer = MessagePackSerializer.Create<List<WebApi.MessagePack.Models.Url>>();
List<Url> data = serializer.Unpack(result.Content.ReadAsStreamAsync().Result);
//POST
var request = new HttpRequestMessage(HttpMethod.Post, "http://localhost:49745/api/values/");
request.Content = new ObjectContent<Url>(
new Url() {
Address = "http://www.strathewb.com",
Title = "Test",
CreatedAt = DateTime.Now,
CreatedBy = "Filip",
Description = "dummy" },
new MessagePackMediaTypeFormatter());
request.Content.Headers.ContentType.MediaType = "application/x-msgpack";
StatusCode result5 = client.SendAsync(request5).Result.StatusCode; //204, POST is void
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