BASE64

import sun.misc.BASE64Decoder;

public class BASE64 {
 public static String getBASE64(String s) {
  if (s == null) {
   return null;
  }
  return (new sun.misc.BASE64Encoder()).encode(s.getBytes());
 }

 public static String getFromBASE64(String s) {
  if (s == null) {
   return null;
  }
  BASE64Decoder decoder = new BASE64Decoder();
  try {
   byte[] b = decoder.decodeBuffer(s);
   return new String(b);
  } catch (Exception e) {
   return null;
  }
 }
}