public CodedException withPrefix(String... prefixes){
  String prefix=StringUtils.join(prefixes,".");
  if (!faultCode.startsWith(prefix)) {
    faultCode=prefix + "." + faultCode;
  }
  return this;
}

public CodedException withPrefix ( String ... prefixes ) { String prefix = StringUtils . join ( prefixes , "." ) ; if ( ! faultCode . startsWith ( prefix ) ) { faultCode = prefix + "." + faultCode ; } return this ; }
returns the current exception with prefix appended in front of the fault code .
