aspnetcore/samples/SocialWeather/Json/JSonStreamFormatter.cs

30 lines
943 B
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.IO;
using System.Threading.Tasks;
using Newtonsoft.Json;
namespace SocialWeather.Json
{
public class JsonStreamFormatter<T> : IStreamFormatter<T>
{
private readonly JsonSerializer _serializer = new JsonSerializer();
public async Task<T> ReadAsync(Stream stream)
{
var reader = new JsonTextReader(new StreamReader(stream));
// REVIEW: Task.Run()
return await Task.Run(() => _serializer.Deserialize<T>(reader));
}
public Task WriteAsync(T value, Stream stream)
{
var writer = new JsonTextWriter(new StreamWriter(stream));
_serializer.Serialize(writer, value);
writer.Flush();
return Task.FromResult(0);
}
}
}