searchPaging(data, form);
        });
    }

    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "dataConfigItems", dataConfigService.getDataConfigList(dataConfigPager)); // page navi
        registerHandlerNames(data);

        // restore from pager
        copyBeanToBean(dataConfigPager, form, op -> op.include("name", "handlerName", "description"));
    }

public class DataConfigService extends FessAppService {

    @Resource
    protected DataConfigBhv dataConfigBhv;

    @Resource
    protected FessConfig fessConfig;

    public List<DataConfig> getDataConfigList(final DataConfigPager dataConfigPager) {

        final PagingResultBean<DataConfig> dataConfigList = dataConfigBhv.selectPage(cb -> {
            cb.paging(dataConfigPager.getPageSize(), dataConfigPager.getCurrentPageNumber());

        validateApi(body, messages -> {});
        final DataConfigPager pager = copyBeanToNewBean(body, DataConfigPager.class);
        final List<DataConfig> list = dataConfigService.getDataConfigList(pager);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))