BASE64 형변환 / encode & decode

 public final static String encodeSun(byte[] str) {
        String b64enc="";
        sun.misc.BASE64Encoder encoder = new sun.misc.BASE64Encoder();
        b64enc  = encoder.encode(str);
        return b64enc;
 }

 

 public final static byte[] decodeSun(String str) {
  byte[] b64dec = null;
  try {
   sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
   b64dec = decoder.decodeBuffer(str);
  } catch (IOException ex) { }
        return b64dec;
 }