[NOT A PROBLEM] WicketViewer cssClass Expression

.success .title-column .entityLinkSimplePanel  {
    color: green;
}

.error .title-column .entityLinkSimplePanel {
    color: red;
}

.running .title-column .entityLinkSimplePanel {
    color: orange;
}

    public String cssClass() {
        if (response.startsWith(CheckResult.SUCCESS.getValue())) {
            return "success";
        }
        if (response.startsWith(CheckResult.ERROR.getValue())) {
            return "error";
        }
        return "running";
    }