System.Net.Http.Formatting.BetterJsonMediaTypeFormatter.OnReadFromStreamAsync C# (CSharp) Method

        protected override Task<object> OnReadFromStreamAsync(Type type, Stream stream, HttpContentHeaders contentHeaders, FormatterContext formatterContext)
        {
            if (type == null)
            {
                throw new ArgumentNullException("type");
            }

            if (stream == null)
            {
                throw new ArgumentNullException("stream");
            }

            var t = new TaskCompletionSource<object>();
            t.SetResult(new Func<object>(() =>
            {
                // If content length is 0 then return default value for this type
                if (contentHeaders != null && contentHeaders.ContentLength == 0)
                {
                    return null;
                }

                // Get the character encoding for the content
                Encoding effectiveEncoding = Encoding.UTF8;

                try
                {
                    using (JsonTextReader jsonTextReader = new JsonTextReader(new StreamReader(stream, effectiveEncoding)) { CloseInput = false })
                    {
                        JsonSerializer jsonSerializer = JsonSerializer.Create(_jsonSerializerSettings);
                        return jsonSerializer.Deserialize(jsonTextReader, type);
                    }
                }
                catch (Exception)
                {
                    return null;
                }
            })());
            return t.Task;
        }