public static String ConvertToString(byte[] bytes, String encoding)
{
if (encoding.Equals(PdfEncodings.UTF8) &&
bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF)
{
return(IanaEncodings.GetEncodingEncoding(encoding).GetString(bytes, 3, bytes.Length - 3));
}
String nameU = encoding.ToUpperInvariant();
Encoding enc = null;
if (nameU.Equals("UNICODEBIGUNMARKED"))
{
enc = new UnicodeEncoding(true, false);
}
else if (nameU.Equals("UNICODELITTLEUNMARKED"))
{
enc = new UnicodeEncoding(false, false);
}
if (enc != null)
{
return(enc.GetString(bytes));
}
bool marker = false;
bool big = false;
int offset = 0;
if (bytes.Length >= 2)
{
if (bytes[0] == 0xFE && bytes[1] == 0xFF)
{
marker = true;
big = true;
offset = 2;
}
else if (bytes[0] == 0xFF && bytes[1] == 0xFE)
{
marker = true;
offset = 2;
}
}
if (nameU.Equals("UNICODEBIG"))
{
enc = new UnicodeEncoding(!marker || big, false);
}
else if (nameU.Equals("UNICODELITTLE"))
{
enc = new UnicodeEncoding(marker && big, false);
}
if (enc != null)
{
return(enc.GetString(bytes, offset, bytes.Length - offset));
}
return(IanaEncodings.GetEncodingEncoding(encoding).GetString(bytes));
}
/// <exception cref="java.nio.charset.CharacterCodingException"/>
public static byte[] ConvertToBytes(char[] chars, String encoding)
{
Encoding encw = IanaEncodings.GetEncodingEncoding(encoding);
byte[] preamble = encw.GetPreamble();
if (preamble.Length == 0)
{
return(encw.GetBytes(chars));
}
else
{
byte[] encoded = encw.GetBytes(chars);
byte[] total = new byte[encoded.Length + preamble.Length];
Array.Copy(preamble, 0, total, 0, preamble.Length);
Array.Copy(encoded, 0, total, preamble.Length, encoded.Length);
return(total);
}
}
