/// <param name="file">The file extensions (ex: "zip"), the file name, or file path</param>
/// <returns>The mime type string, returns "application/octet-stream" if no known type was found</returns>
public static string GetMimeMapping(string file)
{
string fileExtension;
if (file.Contains("."))
{
fileExtension = Path.GetExtension(file).Substring(1);
}
else
{
fileExtension = file;
}
string mimeType = KnownMimeTypes.LookupType(fileExtension.ToLowerInvariant());
return(mimeType ?? UnknownMimeType);
}
/// <param name="file">The file extensions (ex: "zip"), the file name, or file path</param>
/// <returns>The mime type string, returns "application/octet-stream" if no known type was found</returns>
public static string GetMimeMapping(string file)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
if (string.IsNullOrEmpty(file))
{
return(UnknownMimeType);
}
var fileExtension = file.Contains(".")
? Path.GetExtension(file).Substring(1)
: file;
return(KnownMimeTypes.LookupType(fileExtension.ToLowerInvariant()) ?? UnknownMimeType);
}