/// <summary>
/// Parses the accepted char sets and matches them against the supported encodings for the given <paramref name="payloadKind"/>.
/// </summary>
/// <param name="acceptCharsetHeader">The Accept-Charset header of the request.</param>
/// <param name="payloadKind">The <see cref="ODataPayloadKind"/> for which to compute the encoding.</param>
/// <param name="mediaType">The media type used to compute the default encoding for the payload.</param>
/// <param name="useDefaultEncoding">true if the default encoding should be returned if no acceptable charset is found; otherwise false.</param>
/// <returns>The encoding to be used for the response.</returns>
private static Encoding GetEncoding(string acceptCharsetHeader, ODataPayloadKind payloadKind, ODataMediaType mediaType, bool useDefaultEncoding)
{
if (payloadKind == ODataPayloadKind.BinaryValue)
{
return(null);
}
return(HttpUtils.EncodingFromAcceptableCharsets(
acceptCharsetHeader,
mediaType,
/*utf8Encoding*/ encodingUtf8NoPreamble,
/*useDefaultEncoding*/ useDefaultEncoding ? encodingUtf8NoPreamble : null));
}
