Java Code Examples for org.springframework.data.domain.Page#hasPrevious()

The following examples show how to use org.springframework.data.domain.Page#hasPrevious() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: PageLinksAspect.java From Showcase with Apache License 2.0

6 votes

@Around("@annotation(org.educama.common.api.resource.PageLinks) && execution(org.springframework.hateoas.ResourceSupport+ *(..)) && args(page, ..)")
public Object pageLinksAdvice(ProceedingJoinPoint joinPoint, Page<?> page) throws Throwable {
    HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
    Method method = ((MethodSignature) joinPoint.getSignature()).getMethod();
    PageLinks pageLinks = method.getAnnotation(PageLinks.class);
    Class<?> controller = pageLinks.value();
    UriComponentsBuilder original = originalUri(controller, request);
    ResourceSupport resourceSupport = (ResourceSupport) joinPoint.proceed();
    if (page.hasNext()) {
        UriComponentsBuilder nextBuilder = replacePageParams(original, page.nextPageable());
        resourceSupport.add(new Link(nextBuilder.toUriString()).withRel("next"));
    }
    if (page.hasPrevious()) {
        UriComponentsBuilder prevBuilder = replacePageParams(original, page.previousPageable());
        resourceSupport.add(new Link(prevBuilder.toUriString()).withRel("prev"));
    }
    return resourceSupport;
}

Example 2

Source File: SongResource.java From quarkus with Apache License 2.0

5 votes

@GET
@Produces("application/json")
@Path("/all")
public String all() {
    Pageable wholePage = Pageable.unpaged();
    Page<Song> page = songRepository.findAll(wholePage);
    return page.hasPrevious() + " - " + page.hasNext() + " / " + page.getNumberOfElements();
}

Example 3

Source File: SongResource.java From quarkus with Apache License 2.0

5 votes

@GET
@Produces("application/json")
@Path("/page/{num}/{size}")
public String songs(@PathParam("num") int pageNum, @PathParam("size") int pageSize) {
    PageRequest pageRequest = PageRequest.of(pageNum, pageSize);
    Page<Song> page = songRepository.findAll(pageRequest);
    return page.hasPrevious() + " - " + page.hasNext() + " / " + page.getNumberOfElements();
}

Example 4

Source File: PageResponseBodyAdvisor.java From spring-boot-jpa with Apache License 2.0

5 votes

private Optional<String> getHttpHeaderLinksString(ServerHttpRequest request, Page<?> page) {
	List<String> headerLinks = new ArrayList<>();

	if (!page.isFirst()) {
		headerLinks.add(String.format(LINK_STANDARD_FMT, UriComponentsBuilder.fromHttpRequest(request)
				.replaceQueryParam(QUERY_PARAM_PAGE, 0)
				.build(), LINK_HEADER_FIRST));
	}

	if (page.hasPrevious()) {
		headerLinks.add(String.format(LINK_STANDARD_FMT, UriComponentsBuilder.fromHttpRequest(request)
				.replaceQueryParam(QUERY_PARAM_PAGE, page.previousPageable().getPageNumber())
				.build(), LINK_HEADER_PREVIOUS));
	}

	if (page.hasNext()) {
		headerLinks.add(String.format(LINK_STANDARD_FMT, UriComponentsBuilder.fromHttpRequest(request)
				.replaceQueryParam(QUERY_PARAM_PAGE, page.nextPageable().getPageNumber())
				.build(), LINK_HEADER_NEXT));
	}

	if (!page.isLast()) {
		headerLinks.add(String.format(LINK_STANDARD_FMT, UriComponentsBuilder.fromHttpRequest(request)
				.replaceQueryParam(QUERY_PARAM_PAGE, page.getTotalPages() - 1)
				.build(), LINK_HEADER_LAST));
	}

	return Optional.of(StringUtils.join(headerLinks, ", "));
}

Example 5

Source File: PersonResource.java From quarkus with Apache License 2.0

4 votes

@GET
@Path("/name/joinedOrder/{name}/page/{size}/{num}")
public String byNamePage(@PathParam("name") String name, @PathParam("size") int pageSize, @PathParam("num") int pageNum) {
    Page<Person> page = personRepository.findByNameOrderByJoined(name, PageRequest.of(pageNum, pageSize));
    return page.hasPrevious() + " - " + page.hasNext() + " / " + page.getNumberOfElements();
}

Example 6

Source File: PageUtils.java From thymeleaf-spring-data-dialect with Apache License 2.0

4 votes

public static boolean hasPrevious(Page<?> page) {
		return page.getTotalPages()>0 && page.hasPrevious();
}