private async Task SerializeToStreamAsync(Stream stream, CancellationToken cancellationToken)
{
Argument.AssertNotNull(stream, nameof(stream));
try
{
// Write start boundary.
await EncodeStringToStreamAsync(stream, "--" + _boundary + CrLf, cancellationToken).ConfigureAwait(false);
// Write each nested content.
var output = new StringBuilder();
for (int contentIndex = 0; contentIndex < _nestedContent.Count; contentIndex++)
{
// Write divider, headers, and content.
RequestContent content = _nestedContent[contentIndex].RequestContent;
Dictionary <string, string> headers = _nestedContent[contentIndex].Headers;
await EncodeStringToStreamAsync(stream, SerializeHeadersToString(output, contentIndex, headers), cancellationToken).ConfigureAwait(false);
await content.WriteToAsync(stream, cancellationToken).ConfigureAwait(false);
}
// Write footer boundary.
await EncodeStringToStreamAsync(stream, CrLf + "--" + _boundary + "--" + CrLf, cancellationToken).ConfigureAwait(false);
}
catch (Exception)
{
throw;
}
}
public override async Task WriteToAsync(Stream stream, CancellationToken cancellation)
{
await JsonWriter.FlushAsync(cancellation).ConfigureAwait(false);
await _content.WriteToAsync(stream, cancellation).ConfigureAwait(false);
}