public static EmailEncodingResult GetEmailEncoding(byte[] databytes)
{
var result = EncodingHelper.EmailEncoding.ScanCharSet(databytes);
if (result != null)
{
return(result);
}
Ude.CharsetDetector detector = new Ude.CharsetDetector();
detector.Feed(databytes, 0, databytes.Length);
detector.DataEnd();
if (!string.IsNullOrWhiteSpace(detector.Charset))
{
if (result == null)
{
result = new EmailEncodingResult();
}
result.Charset = detector.Charset;
return(result);
}
return(null);
}
private string GetString(byte[] data, EmailEncodingResult encodingresult)
{
System.Text.Encoding encoding = null;
if (encodingresult != null && !string.IsNullOrEmpty(encodingresult.Charset))
{
encoding = System.Text.Encoding.GetEncoding(encodingresult.Charset);
}
if (encoding == null)
{
encoding = System.Text.Encoding.UTF8;
}
string text = encoding.GetString(data);
if (text != null && encodingresult != null && !string.IsNullOrWhiteSpace(encodingresult.CharSetText))
{
text = text.Replace(encodingresult.CharSetText, "charset=utf-8");
}
return(text);
}
