code: public static String decodeString(final String string) {
  		String decodedString = null;
  
  		try {
  			byte[] decodedBytes = decode(string);
  			decodedString = new String(decodedBytes, "UTF-8");
  		} catch (UnsupportedEncodingException uue) {
  			// Should never happen, java has to support "UTF-8".
  		}
  
  		return decodedString;
  	}
docs: Decodes a string from Base64 format.
  
  @param string a Base64 String to be decoded.
  @return A String containing the decoded data.
  @throws IllegalArgumentException if the input is not valid Base64 encoded data.