/// <summary>
/// Match a request against the <see cref="MediaTypeMapping"/>s registered with the formatter.
/// </summary>
/// <param name="request">The request to match.</param>
/// <param name="formatter">The formatter to match against.</param>
/// <returns>A <see cref="MediaTypeFormatterMatch"/> indicating the quality of the match or null is no match.</returns>
protected virtual MediaTypeFormatterMatch MatchMediaTypeMapping(HttpRequestMessage request, MediaTypeFormatter formatter)
{
if (request == null)
{
throw Error.ArgumentNull("request");
}
if (formatter == null)
{
throw Error.ArgumentNull("formatter");
}
List <MediaTypeMapping> mediaTypeMappings = formatter.MediaTypeMappingsInternal;
for (int i = 0; i < mediaTypeMappings.Count; i++)
{
MediaTypeMapping mapping = mediaTypeMappings[i];
double quality;
if (mapping != null && ((quality = mapping.TryMatchMediaType(request)) > FormattingUtilities.NoMatch))
{
return(new MediaTypeFormatterMatch(formatter, mapping.MediaType, quality, MediaTypeFormatterMatchRanking.MatchOnRequestWithMediaTypeMapping));
}
}
return(null);
}
