/// <summary>
/// Gets the MimeType for the specified file, based on it's extension if possible, otherwise on its content.
/// </summary>
/// <param name="file">The <see cref="FileInfo"/> instance to investigate.</param>
/// <returns>The Mime Type for the file if successfull; otherwise return 'unknown/unknown'.</returns>
/// <exception cref="ArgumentNullException">thrown if the <paramref name="file"/> is <c>Null</c> or Empty.</exception>
/// <exception cref="FileNotFoundException">thrown if the file specified by the parameter <paramref name="file"/> does not exist.</exception>
public static string GetMimeType(FileInfo file)
{
if (file.IsNull())
{
throw new ArgumentNullException("file");
}
return(MimeTypeHelper.GetMimeType(file.FullName));
}
public static string GetMimeType(this System.IO.Stream stream)
{
if (stream.IsNull())
{
throw new ArgumentNullException("stream");
}
return(MimeTypeHelper.GetMimeType(stream.ToByteArray()));
}
public static string GetMimeType(this byte[] data)
{
if (data.IsNull())
{
throw new ArgumentNullException("data");
}
return(MimeTypeHelper.GetMimeType(data));
}
public static string GetMimeType(this System.IO.FileInfo file)
{
if (file.IsNull())
{
throw new ArgumentNullException("file");
}
if (!file.Exists)
{
throw new FileNotFoundException(string.Format("{0} not found", file.FullName));
}
return(MimeTypeHelper.GetMimeType(file));
}
