private String getBooleanString(boolean booleanValue) {
        switch (format) {
            case ONE_ZERO:
                return booleanValue?"1":"0";
            case TRUE_FALSE:
                return booleanValue?"True":"False";
            case YES_NO:
                return booleanValue?"Yes":"No";
            default:
                return booleanValue?"Yes":"No";
        }
    }