private int detectErrorCode(String errorMessage){
  final String error=errorMessage != null ? errorMessage : null;
  if (error == null) {
    return 400;
  }
  if (error.equals(DAILY_TRANSACTION_LIMIT_EXCEEDED)) {
    return 429;
  }
 else   if (error.equals(INVALID_API_KEY)) {
    return 401;
  }
 else {
    return 400;
  }
}

private int detectErrorCode ( String errorMessage ) { final String error = errorMessage != null ? errorMessage : null ; if ( error == null ) { return 400 ; } if ( error . equals ( DAILY_TRANSACTION_LIMIT_EXCEEDED ) ) { return 429 ; } else if ( error . equals ( INVALID_API_KEY ) ) { return 401 ; } else { return 400 ; } }
detect the error code based on the error message .
