/** Default page size for pagination. */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /** Default current page number (first page). */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** Total number of records across all pages. */
    private int allRecordCount;

    /** Total number of pages. */
    private int allPageCount;

                                <c:set var="pager" value="${userPager}" scope="request"/>
                                <c:import url="/WEB-INF/view/common/admin/crud/pagination.jsp"/>
                                <c:if test="${pager.currentPageNumber > pager.allPageCount}">
                                    <script>location.href = "${contextPath}/admin/user/list/${pager.allPageCount}";</script>
                                </c:if>

        final PathMapPager pager = copyBeanToNewBean(body, PathMapPager.class);
        final List<PathMapping> list = pathMappingService.getPathMappingList(pager);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())

        final RelatedContentPager pager = copyBeanToNewBean(body, RelatedContentPager.class);
        final List<RelatedContent> list = relatedContentService.getRelatedContentList(pager);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())

        this.allRecordCount = allRecordCount;
    }

    /**
     * Gets the total number of pages.
     * @return The total number of pages.
     */
    public int getAllPageCount() {
        return allPageCount;
    }

    /**
     * Sets the total number of pages.
     * @param allPageCount The total number of pages.
     */
    public void setAllPageCount(final int allPageCount) {

        validateApi(body, messages -> {});
        final BoostDocPager pager = copyBeanToNewBean(body, BoostDocPager.class);
        final List<BoostDocumentRule> list = boostDocumentRuleService.getBoostDocumentRuleList(pager);
        return asJson(new ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                .total(pager.getAllRecordCount())
                .status(Status.OK)

        validateApi(body, messages -> {});
        final GroupPager pager = copyBeanToNewBean(body, GroupPager.class);
        final List<Group> list = groupService.getGroupList(pager);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())
                        .status(ApiResult.Status.OK)

        final WebConfigPager pager = copyBeanToNewBean(body, WebConfigPager.class);
        final List<WebConfig> list = webConfigService.getWebConfigList(pager);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())

     *
     * @param pageSize the page size
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number (1-based).
     * If the current page number is not set or is invalid, returns the default current page number.
     *
     * @return the current page number
     */

        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()))
                        .total(pager.getAllRecordCount())