Example usage for org.springframework.data.domain PageImpl PageImpl

List of usage examples for org.springframework.data.domain PageImpl PageImpl

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Introduction

In this page you can find the example usage for org.springframework.data.domain PageImpl PageImpl.

Prototype

public PageImpl(List<T> content, Pageable pageable, long total)

Source Link

Document

Constructor of PageImpl .

Usage

From source file:edu.cmu.cs.lti.discoursedb.api.browsing.controller.BrowsingRestController.java

@RequestMapping(value = "/database/{databaseName}/bratExports", method = RequestMethod.GET)
@ResponseBody//ww w  . j av a 2  s  .c  om
PagedResources<Resource<BrowsingBratExportResource>> bratExports(
        @PathVariable("databaseName") String databaseName, HttpServletRequest hsr, HttpSession session) {
    registerDb(hsr, session, databaseName);

    String who = SecurityContextHolder.getContext().getAuthentication().getPrincipal().toString();
    String bratDataDirectory = bratDataDirectory();
    List<BrowsingBratExportResource> exported = BrowsingBratExportResource
            .findPreviouslyExportedBrat(bratDataDirectory);
    Page<BrowsingBratExportResource> p = new PageImpl<BrowsingBratExportResource>(exported,
            new PageRequest(0, 100), exported.size());
    for (BrowsingBratExportResource bber : p) {
        bber.add(makeLink1Arg("/browsing/action/database/" + databaseName + "/importBrat", "Import BRAT markup",
                "bratDirectory", bber.getName()));
        bber.add(makeBratLink("/index.xhtml#/" + who + "/" + bber.getName(), "Edit BRAT markup"));
        bber.add(makeLink1Arg("/browsing/action/database/" + databaseName + "/deleteBrat", "Delete BRAT markup",
                "bratDirectory", bber.getName()));
    }
    return praBratAssembler.toResource(p);
}

From source file:edu.cmu.cs.lti.discoursedb.api.browsing.controller.BrowsingRestController.java

@RequestMapping(value = "/database/{databaseName}/usersInDiscoursePart/{dpId}", method = RequestMethod.GET)
@ResponseBody/*from  w  w w.  j a  v a 2s  .  com*/
PagedResources<Resource<BrowsingUserResource>> users(@RequestParam(value = "page", defaultValue = "0") int page,
        @RequestParam(value = "size", defaultValue = "20") int size,
        @PathVariable("databaseName") String databaseName, @PathVariable("dpId") Long dpId,
        HttpServletRequest hsr, HttpSession session) {
    registerDb(hsr, session, databaseName);

    PageRequest p = new PageRequest(page, size);

    Optional<DiscoursePart> parent = discoursePartRepository.findOne(dpId);

    if (parent.isPresent()) {
        List<User> lbcr1 = new ArrayList<User>();
        lbcr1.addAll(userService.findUsersUnderDiscoursePart(parent.get()));
        List<BrowsingUserResource> lbcr = lbcr1.subList(page * size, lbcr1.size()).stream()
                .map(BrowsingUserResource::new).map(b -> {
                    b.fillInDiscoursePartLinks(discoursePartService);
                    return b;
                }).collect(Collectors.toList());

        Page<BrowsingUserResource> pbcr = new PageImpl<BrowsingUserResource>(lbcr, p, lbcr.size());
        PagedResources<Resource<BrowsingUserResource>> response = praUserAssembler.toResource(pbcr);

        return response;
    } else {
        return null;
    }
}

From source file:od.providers.modeloutput.lap.LAPModelOutputProvider.java

private PageImpl<ModelOutput> fetch(ProviderData providerData, String tenantId,
        Map<String, String> urlVariables, Pageable pageable, String uri) {

    log.debug("{}", urlVariables);
    log.debug("{}", uri);

    String url = getUrl(providerData.findValueForKey("base_url"), uri, pageable);

    ClientCredentialsResourceDetails resourceDetails = new ClientCredentialsResourceDetails();
    resourceDetails.setClientId(providerData.findValueForKey("key"));
    resourceDetails.setClientSecret(providerData.findValueForKey("secret"));
    resourceDetails//  w  w w . j a v  a 2s . c  o m
            .setAccessTokenUri(getUrl(providerData.findValueForKey("base_url"), LAP_OAUTH_TOKEN_URI, null));
    DefaultOAuth2ClientContext clientContext = new DefaultOAuth2ClientContext();

    OAuth2RestTemplate restTemplate = new OAuth2RestTemplate(resourceDetails, clientContext);
    MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
    converter.setSupportedMediaTypes(
            Arrays.asList(MediaType.APPLICATION_JSON, MediaType.valueOf("text/javascript")));
    restTemplate.setMessageConverters(Arrays.<HttpMessageConverter<?>>asList(converter));
    ParameterizedTypeReference<PageWrapper<ModelOutputImpl>> responseType = new ParameterizedTypeReference<PageWrapper<ModelOutputImpl>>() {
    };

    PageWrapper<ModelOutputImpl> pageWrapper = restTemplate
            .exchange(url, HttpMethod.GET, null, responseType, urlVariables).getBody();
    log.debug(pageWrapper.toString());
    List<ModelOutput> output;
    if (pageWrapper != null && pageWrapper.getContent() != null && !pageWrapper.getContent().isEmpty()) {
        output = new LinkedList<ModelOutput>(pageWrapper.getContent());
    } else {
        output = new ArrayList<>();
    }

    return new PageImpl<ModelOutput>(output, pageable, pageWrapper.getPage().getTotalElements());
}

From source file:org.dspace.app.rest.link.search.SearchFacetEntryHalLinkFactory.java

@Override
protected void addLinks(SearchFacetEntryResource halResource, Pageable pageable, LinkedList<Link> list)
        throws Exception {

    SearchFacetEntryRest facetData = halResource.getFacetData();
    DiscoveryResultsRest searchData = halResource.getSearchData();

    String query = searchData == null ? null : searchData.getQuery();
    String dsoType = searchData == null ? null : searchData.getDsoType();
    String scope = searchData == null ? null : searchData.getScope();

    UriComponentsBuilder uriBuilder = uriBuilder(
            getMethodOn().getFacetValues(facetData.getName(), null, query, dsoType, scope, null, null));

    addFilterParams(uriBuilder, searchData);

    //If our rest data contains a list of values, construct the page links. Otherwise, only add a self link
    if (CollectionUtils.isNotEmpty(facetData.getValues())) {
        PageImpl page = new PageImpl<>(facetData.getValues(), new PageRequest(0, facetData.getFacetLimit()),
                facetData.getValues().size() + (BooleanUtils.isTrue(facetData.isHasMore()) ? 1 : 0));

        halResource.setPageHeader(new EmbeddedPageHeader(uriBuilder, page, false));

    } else {//from w  w  w  . j  a  v a 2  s  . c  o m
        list.add(buildLink(Link.REL_SELF, uriBuilder.build().toUriString()));
    }

}

From source file:org.dspace.app.rest.model.hateoas.SearchResultsResource.java

private void embedSearchResults(final SearchResultsRest data, final Utils utils, Pageable pageable) {
    entryResources = new LinkedList<>();
    for (SearchResultEntryRest searchResultEntry : CollectionUtils.emptyIfNull(data.getSearchResults())) {
        entryResources.add(new SearchResultEntryResource(searchResultEntry, utils));
    }/*w  w  w  . ja  va  2  s  .com*/

    Page page = new PageImpl<>(entryResources, pageable, data.getTotalNumberOfResults());

    SearchResultsResourceHalLinkFactory linkFactory = new SearchResultsResourceHalLinkFactory();
    EmbeddedPage embeddedPage = new EmbeddedPage(linkFactory.buildSearchBaseLink(data).toUriString(), page,
            entryResources, "objects");
    embedResource("searchResult", embeddedPage);
}

From source file:org.dspace.app.rest.repository.BrowseEntryLinkRepository.java

public Page<BrowseEntryRest> listBrowseEntries(HttpServletRequest request, String browseName, Pageable pageable,
        String projection) throws BrowseException, SQLException {
    // FIXME this should be bind automatically and available as method
    // argument/*from w w w  . ja  v a  2  s . c  om*/
    String scope = null;
    if (request != null) {
        scope = request.getParameter("scope");
    }

    Context context = obtainContext();
    BrowseEngine be = new BrowseEngine(context);
    BrowserScope bs = new BrowserScope(context);
    DSpaceObject scopeObj = null;
    if (scope != null) {
        UUID uuid = UUID.fromString(scope);
        scopeObj = communityService.find(context, uuid);
        if (scopeObj == null) {
            scopeObj = collectionService.find(context, uuid);
        }
    }

    // process the input, performing some inline validation
    final BrowseIndex bi;
    if (StringUtils.isNotEmpty(browseName)) {
        bi = BrowseIndex.getBrowseIndex(browseName);
    } else {
        bi = null;
    }
    if (bi == null) {
        throw new IllegalArgumentException("Unknown browse index");
    }
    if (!bi.isMetadataIndex()) {
        throw new IllegalStateException("The requested browse haven't metadata entries");
    }

    // set up a BrowseScope and start loading the values into it
    bs.setBrowseIndex(bi);
    Sort sort = null;
    if (pageable != null) {
        sort = pageable.getSort();
    }
    if (sort != null) {
        Iterator<Order> orders = sort.iterator();
        while (orders.hasNext()) {
            bs.setOrder(orders.next().getDirection().name());
        }
    }
    // bs.setFilterValue(value != null?value:authority);
    // bs.setFilterValueLang(valueLang);
    // bs.setJumpToItem(focus);
    // bs.setJumpToValue(valueFocus);
    // bs.setJumpToValueLang(valueFocusLang);
    // bs.setStartsWith(startsWith);
    if (pageable != null) {
        bs.setOffset(pageable.getOffset());
        bs.setResultsPerPage(pageable.getPageSize());
    }
    // bs.setEtAl(etAl);
    // bs.setAuthorityValue(authority);

    if (scopeObj != null) {
        bs.setBrowseContainer(scopeObj);
    }

    BrowseInfo binfo = be.browse(bs);
    Pageable pageResultInfo = new PageRequest((binfo.getStart() - 1) / binfo.getResultsPerPage(),
            binfo.getResultsPerPage());
    Page<BrowseEntryRest> page = new PageImpl<String[]>(Arrays.asList(binfo.getStringResults()), pageResultInfo,
            binfo.getTotal()).map(converter);
    page.forEach(new Consumer<BrowseEntryRest>() {
        @Override
        public void accept(BrowseEntryRest t) {
            t.setBrowseIndex(bixConverter.convert(bi));
        }
    });
    return page;
}

From source file:org.dspace.app.rest.repository.BrowseItemLinkRepository.java

public Page<ItemRest> listBrowseItems(HttpServletRequest request, String browseName, Pageable pageable,
        String projection) throws BrowseException, SQLException {
    //FIXME these should be bind automatically and available as method arguments
    String scope = null;/*  w ww  .j a v a  2 s  .c o  m*/
    String filterValue = null;
    String filterAuthority = null;

    if (request != null) {
        scope = request.getParameter("scope");
        filterValue = request.getParameter("filterValue");
        filterAuthority = request.getParameter("filterAuthority");
    }
    Context context = obtainContext();
    BrowseEngine be = new BrowseEngine(context);
    BrowserScope bs = new BrowserScope(context);
    DSpaceObject scopeObj = null;
    if (scope != null) {
        UUID uuid = UUID.fromString(scope);
        scopeObj = communityService.find(context, uuid);
        if (scopeObj == null) {
            scopeObj = collectionService.find(context, uuid);
        }
    }

    // process the input, performing some inline validation
    BrowseIndex bi = null;
    if (StringUtils.isNotEmpty(browseName)) {
        bi = BrowseIndex.getBrowseIndex(browseName);
    }
    if (bi == null) {
        throw new IllegalArgumentException("Unknown browse index");
    }
    if (!bi.isItemIndex() && (filterAuthority == null && filterValue == null)) {
        throw new IllegalStateException(
                "The requested browse doesn't provide direct access to items you must specify a filter");
    }

    if (!bi.isMetadataIndex() && (filterAuthority != null || filterValue != null)) {
        throw new IllegalStateException("The requested browse doesn't support filtering");
    }

    // set up a BrowseScope and start loading the values into it
    bs.setBrowseIndex(bi);
    Sort sort = null;
    if (pageable != null) {
        sort = pageable.getSort();
    }
    if (sort != null) {
        Iterator<Order> orders = sort.iterator();
        while (orders.hasNext()) {
            Order order = orders.next();
            bs.setOrder(order.getDirection().name());
            String sortBy;
            if (!StringUtils.equals("default", order.getProperty())) {
                sortBy = order.getProperty();
            } else {
                sortBy = bi.getDefaultOrder();
            }

            try {
                SortOption so = SortOption.getSortOption(sortBy);
                if (so != null) {
                    bs.setSortBy(so.getNumber());
                }
            } catch (SortException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    }

    if (filterValue != null || filterAuthority != null) {
        bs.setFilterValue(filterValue);
        bs.setAuthorityValue(filterAuthority);
        bs.setBrowseLevel(1);
    }
    // bs.setFilterValueLang(valueLang);
    // bs.setJumpToItem(focus);
    // bs.setJumpToValue(valueFocus);
    // bs.setJumpToValueLang(valueFocusLang);
    // bs.setStartsWith(startsWith);
    if (pageable != null) {
        bs.setOffset(pageable.getOffset());
        bs.setResultsPerPage(pageable.getPageSize());
    }

    if (scopeObj != null) {
        bs.setBrowseContainer(scopeObj);
    }

    // For second level browses on metadata indexes, we need to adjust the default sorting
    if (bi != null && bi.isMetadataIndex() && bs.isSecondLevel() && bs.getSortBy() <= 0) {
        bs.setSortBy(1);
    }

    BrowseInfo binfo = be.browse(bs);

    Pageable pageResultInfo = new PageRequest((binfo.getStart() - 1) / binfo.getResultsPerPage(),
            binfo.getResultsPerPage());
    Page<ItemRest> page = new PageImpl<Item>(binfo.getBrowseItemResults(), pageResultInfo, binfo.getTotal())
            .map(converter);
    return page;
}

From source file:org.dspace.app.rest.repository.CollectionRestRepository.java

@Override
public Page<CollectionRest> findAll(Context context, Pageable pageable) {
    List<Collection> it = null;
    List<Collection> collections = new ArrayList<Collection>();
    int total = 0;
    try {//  www  .  ja  va2  s.c  om
        total = cs.countTotal(context);
        it = cs.findAll(context, pageable.getPageSize(), pageable.getOffset());
        for (Collection c : it) {
            collections.add(c);
        }
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<CollectionRest> page = new PageImpl<Collection>(collections, pageable, total).map(dsoConverter);
    return page;
}

From source file:org.dspace.app.rest.repository.CommunityRestRepository.java

@Override
public Page<CommunityRest> findAll(Context context, Pageable pageable) {
    List<Community> it = null;
    List<Community> communities = new ArrayList<Community>();
    int total = 0;
    try {/*from   www.j  av a  2 s. c  o m*/
        total = cs.countTotal(context);
        it = cs.findAll(context, pageable.getPageSize(), pageable.getOffset());
        for (Community c : it) {
            communities.add(c);
        }
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<CommunityRest> page = new PageImpl<Community>(communities, pageable, total).map(dsoConverter);
    return page;
}

From source file:org.dspace.app.rest.repository.EPersonRestRepository.java

@Override
public Page<EPersonRest> findAll(Context context, Pageable pageable) {
    List<EPerson> epersons = null;
    int total = 0;
    try {//w  ww.jav  a  2s  .  com
        if (!authorizeService.isAdmin(context)) {
            throw new RESTAuthorizationException(
                    "The EPerson collection endpoint is reserved to system administrators");
        }
        total = es.countTotal(context);
        epersons = es.findAll(context, EPerson.ID, pageable.getPageSize(), pageable.getOffset());
    } catch (SQLException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    Page<EPersonRest> page = new PageImpl<EPerson>(epersons, pageable, total).map(converter);
    return page;
}