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Pagination in Java

Remark Controller:

PageRequest pageRequest = new PageRequest(remarkDto.getPageNumber(), Constants.REPORT_ITEM_PER_PAGE); Page<UserRemarks> remarksList = remarksQueryRepository.findAll(pageRequest); remarksList.getContent().stream().sorted((Comparator.comparing(UserRemarks::getRemarkDate) .reversed())).collect(Collectors.toList()); RemarkDtoPaginationResponse response = getRemarkDtoPaginationResponse(remarkDto, remarksList); return response; <br><br> @NotNull private RemarkDtoPaginationResponse getRemarkDtoPaginationResponse(RemarkDto remarkDto, Page<UserRemarks> remarksList) { List<RemarkDto> remarkDtos = mapperFactory.getMapperFacade().mapAsList(remarksList.getContent(), RemarkDto.class); RemarkDtoPaginationResponse response = new RemarkDtoPaginationResponse(); response.setContent(remarkDtos); response.setLast(remarksList.isLast()); response.setTotalElements((int) remarksList.getNumberOfElements()); response.setSize(remarksList.getSize()); response.setNumber(remarkDto.getPageNumber()); response.setFirst(remarksList.isFirst()); response.setTotalPages(remarksList.getTotalPages()); response.setNumberOfElements(remarksList.getNumberOfElements()); return response; }

Remark repository

@Query("select d from UserRemarks d order by d.remarkDate desc") Page findAllByOrderByDatesDesc(Pageable pageable);

Web Client



@RequestMapping(value = "/subscriber-remarks-list", method = RequestMethod.GET) @PreAuthorize("@permissionService.check('VIEW_USER_REMARKS')") public String listAllRemarks(@RequestParam(name = "remarkStartDate", required = false) String remarkStartDate, @RequestParam(name = "remarkEndDate", required = false) String remarkEndDate, @RequestParam(name = "name", required = false) String adminName, @RequestParam(name = "page", required = false) String page, HttpServletRequest request, Model model){ String url = apiGatewayAddress + "/user/get-remark-info"; int pageNumber = (page != null && !page.isEmpty()) ? Integer.parseInt(page) : 0; RemarkDto allRemarks = RemarkDto.builder() .adminFullName(adminName) .pageNumber(pageNumber) .build(); if (!StringUtils.isEmpty(remarkStartDate) && !StringUtils.isEmpty(remarkEndDate)) { Date createdAtStartDate = MfsUtils.stringToDate(remarkStartDate, "MMM dd yyyy"); Date createdAtEndDate = MfsUtils.stringToDate(remarkEndDate, "MMM dd yyyy"); allRemarks.setRemarkStartDate(createdAtStartDate); allRemarks.setRemarkEndDate(MfsUtils.getDayEndTime(createdAtEndDate)); } String queryString = request.getQueryString(); HashMap<String, String> parameterKeyValuePair = mfsUtils.getUrlParameterToKeyValuePair(queryString); List<SearchCriteria> searchCriteriaList = getRemarksCriteria(parameterKeyValuePair); RemarkDtoPaginationResponse remarkDto = restTemplate.postForObject(url, allRemarks, RemarkDtoPaginationResponse.class); List<RemarkDto> listDto = remarkDto.getContent(); RemarkDto[] remarkArray = new RemarkDto[listDto.size()]; for (int i = 0; i < listDto.size(); i++) { remarkArray[i] = listDto.get(i); } for (int i = 0; i < remarkArray.length; i++) { AdminDto adminDto = userService.getAdminInfo(remarkArray[i].getAdminId()); UserDto userDto = userService.getSubscriberInfo(remarkArray[i].getUserId()); listDto.get(i).setAdminFullName(adminDto.getFullName()); listDto.get(i).setAdminType(adminDto.getAdminType()); listDto.get(i).setUserFullName(userDto.getFullName()); } // RemarkDtoPaginationResponse remarks = new RemarkDtoPaginationResponse(); remarkDto.setContent(listDto); // model.addAttribute("remarks", remarks.getContent()); model.addAttribute("remarks", remarkDto); model.addAttribute("searchCriteriaList", searchCriteriaList); return "admin/subscriber/subscriber-remarks-list"; }

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