/// <summary>
/// Finds an IDataReader by content-type header
/// </summary>
/// <param name="contentTypeHeader"></param>
/// <returns></returns>
public virtual IDataReader Find(string contentTypeHeader)
{
// TODO: implement this negotiation
// http://jsr311.java.net/nonav/releases/1.1/spec/spec3.html#x3-380003.8
string type = DataProviderUtility.ParseMediaType(contentTypeHeader);
IDataReader reader;
if (this.ReadersByMime.TryGetValue(type, out reader))
{
return(reader);
}
return(null);
}
/// <summary>
/// Parses HTTP headers for Media-Types
/// </summary>
/// <param name="accept">HTTP Accept header</param>
/// <param name="contentType">HTTP Content-Type header</param>
/// <returns>sequence of Media-Types</returns>
/// <remarks>
/// http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
/// </remarks>
public static IEnumerable <string> ParseHeaders(string accept, string contentType)
{
string mime;
// check for a matching accept type
foreach (string type in DataProviderUtility.SplitTrim(accept, ','))
{
mime = DataProviderUtility.ParseMediaType(type);
if (!String.IsNullOrEmpty(mime))
{
yield return(mime);
}
}
// fallback on content-type
mime = DataProviderUtility.ParseMediaType(contentType);
if (!String.IsNullOrEmpty(mime))
{
yield return(mime);
}
}