public class CharMappingService {
    @Resource
    protected DictionaryManager dictionaryManager;

    @Resource
    protected FessConfig fessConfig;

    public List<CharMappingItem> getCharMappingList(final String dictId, final CharMappingPager charMappingPager) {
        return getCharMappingFile(dictId).map(file -> {
            final int pageSize = charMappingPager.getPageSize();

        });
    }

    protected void searchPaging(final RenderData data, final SearchForm form) {
        // page navi
        RenderDataUtil.register(data, "charMappingItemItems", charMappingService.getCharMappingList(form.dictId, charMappingPager));

        // restore from pager
        BeanUtil.copyBeanToBean(charMappingPager, form, op -> {
            op.exclude(Constants.PAGER_CONVERSION_RULE);
        });
    }

        final CharMappingPager pager = copyBeanToNewBean(body, CharMappingPager.class);
        return asJson(new ApiResult.ApiConfigsResponse<EditBody>()
                .settings(charMappingService.getCharMappingList(body.dictId, pager).stream()
                        .map(protwordsItem -> createEditBody(protwordsItem, dictId)).collect(Collectors.toList()))
                .status(ApiResult.Status.OK).result());
    }