private static string GetMimeType(BinaryFileName value)
{
if (value == null)
return string.Empty;
string ext = value.Extension;
if (ext == null)
return string.Empty;
if (ext.Length > 0 && ext[0] == '.')
ext = ext.Substring(1);
var mimeType = MimeTable.GetMimeType(ext.ToLower(CultureInfo.InvariantCulture));
return mimeType;
}