ReadOnlyMemoryContent.cs

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using System.IO;
using System.Threading;
using System.Threading.Tasks;
 
namespace System.Net.Http;
 
public sealed class ReadOnlyMemoryContent : HttpContent
{
    private readonly ReadOnlyMemory<byte> _content;
 
    internal override bool AllowDuplex => false;
 
    public ReadOnlyMemoryContent(ReadOnlyMemory<byte> content)
    {
        _content = content;
    }
 
    protected override void SerializeToStream(Stream stream, TransportContext? context, CancellationToken cancellationToken)
    {
        stream.Write(_content.Span);
    }
 
    protected override Task SerializeToStreamAsync(Stream stream, TransportContext? context)
    {
        return stream.WriteAsync(_content).AsTask();
    }
 
    protected override Task SerializeToStreamAsync(Stream stream, TransportContext? context, CancellationToken cancellationToken)
    {
        return stream.WriteAsync(_content, cancellationToken).AsTask();
    }
 
    protected internal override bool TryComputeLength(out long length)
    {
        length = _content.Length;
        return true;
    }
 
    protected override Stream CreateContentReadStream(CancellationToken cancellationToken)
    {
        return new ReadOnlyMemoryStream(_content);
    }
 
    protected override Task<Stream> CreateContentReadStreamAsync()
    {
        return Task.FromResult((Stream)new ReadOnlyMemoryStream(_content));
    }
 
    internal override Stream TryCreateContentReadStream()
    {
        return new ReadOnlyMemoryStream(_content);
    }
}