fessConfig.setAppValue(form.appValue);
        fessConfig.setDefaultLabelValue(form.defaultLabelValue);
        fessConfig.setDefaultSortValue(form.defaultSortValue);
        fessConfig.setVirtualHostValue(form.virtualHostValue);
        fessConfig.setAppendQueryParameter(isCheckboxEnabled(form.appendQueryParameter));
        fessConfig.setIgnoreFailureType(form.ignoreFailureType);

    public String appValue;

    @Size(max = 1000)
    public String defaultLabelValue;

    @Size(max = 1000)
    public String defaultSortValue;

    @Size(max = 10000)
    public String virtualHostValue;

    @Size(max = 10)
    public String appendQueryParameter;

    @Size(max = 10)
    public String loginRequired;

    @Size(max = 10)
    public String resultCollapsed;

    @Size(max = 10)

    String QUERY_GSA_RESPONSE_FIELDS = "queryGsaResponseFields";

    String THUMBNAIL_HTML_IMAGE_EXCLUDE_EXTENSIONS = "ThumbnailHtmlImageExcludeExtensions";

    String VIRTUAL_HOST_VALUE = "VirtualHostValue";

    String QUERY_DEFAULT_LANGUAGES = "queryDefaultLanguages";

    String HTML_PROXY = "httpProxy";

    String CRAWLER_FAILURE_URL_STATUS_CODES = "crawlerFailureUrlStatusCodes";