Example usage for java.util Collections emptyList

Introduction

In this page you can find the example usage for java.util Collections emptyList.

Prototype

@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList()

Source Link

Document

Returns an empty list (immutable).

Usage

From source file:com.gooddata.md.report.ReportDefinitionContentTest.java

@Test
public void testSerializable() throws Exception {
    final ReportDefinitionContent def = new GridReportDefinitionContent(
            new Grid(Collections.emptyList(), Collections.emptyList(), Collections.emptyList()));
    final ReportDefinitionContent deserialized = SerializationUtils.roundtrip(def);

    assertThat(deserialized, jsonEquals(def));
}

From source file:com.crossover.trial.weather.domain.AirportRepositoryImpl.java

@Override
@Transactional(readOnly = true)// w  w w. j  a  v a 2 s .  com
public Iterable<Airport> findInRadius(IATA fromIata, double distanceInKm) {
    Assert.isTrue(fromIata != null, "fromIata is required");
    Assert.isTrue(distanceInKm > 0, "distanceInKm must be positive");

    Airport fromAirport = airportRepository.findOne(fromIata);
    if (fromAirport == null)
        return Collections.emptyList();

    return manager.createQuery("select a from Airport a where iata != :fromIata", Airport.class)
            .setParameter("fromIata", fromIata).getResultList().parallelStream()
            .filter(toAirport -> fromAirport.calculateDistance(toAirport) <= distanceInKm)
            .collect(Collectors.toList());
}

From source file:io.pivotal.auth.samlwrapper.userannotation.CurrentUserHandlerMethodArgumentResolver.java

public Object resolveArgument(MethodParameter methodParameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
    if (!supportsParameter(methodParameter)) {
        return WebArgumentResolver.UNRESOLVED;
    }// ww w  .ja va  2  s . c o  m
    Principal principal = webRequest.getUserPrincipal();

    if (principal == null) {
        return new User("Unauthenticated", "", Collections.emptyList());
    }

    Object user = ((Authentication) principal).getPrincipal();

    if (user instanceof User) { // also prevents null return
        return user;
    }

    return WebArgumentResolver.UNRESOLVED;
}

From source file:io.pivotal.strepsirrhini.chaosloris.web.EventResourceAssemblerTest.java

@Test
public void toResource() {
    Application application = new Application(UUID.randomUUID());
    application.setId(-1L);/*from  w w  w  .  jav a 2 s . c  om*/

    Schedule schedule = new Schedule("0 0 * * * *", "hourly");
    schedule.setId(-2L);

    Chaos chaos = new Chaos(application, 0.2, schedule);
    chaos.setId(-3L);

    Event event = new Event(chaos, Instant.EPOCH, Collections.emptyList(), Integer.MIN_VALUE);
    event.setId(-4L);

    EventResourceAssembler.EventResource resource = this.resourceAssembler.toResource(event);

    assertThat(resource.getContent()).isSameAs(event);
    assertThat(resource.getLinks()).hasSize(2);
    assertThat(resource.getLink("chaos")).isNotNull();
}

From source file:gov.nih.nci.caintegrator.application.study.MatchScoreComparator.java

/**
 * Returns the keywords as a <code>List</code>.
 * @param keywordsString a string with keywords seperated by spaces.
 * @return the keywords.//from   w  w w .j ava  2 s. com
 */
public List<String> convertStringToList(String keywordsString) {
    if (keywordsString != null) {
        return Arrays.asList(StringUtils.split(keywordsString));
    } else {
        return Collections.emptyList();
    }
}

From source file:org.avidj.zuul.rs.ZuulTest.java

@Test
public void itShallCreateShallowWriteLockOnRoot() {
    final Zuul zuul = createZuul();
    given().standaloneSetup(zuul).param("t", "w").param("s", "s").when().put("/s/1/").then()
            .statusCode(HttpStatus.CREATED.value());
    given().standaloneSetup(zuul).when().get("/s/1/").then().statusCode(HttpStatus.OK.value()).and()
            .body("key", hasItem(Collections.emptyList())).and().body("session", hasItem("1")).and()
            .body("type", hasItem("WRITE")).and().body("scope", hasItem("SHALLOW")).and()
            .body("count", hasItem(1));
}

From source file:de.linsin.github.rest.service.RepositoryBrowser.java

/**
 * Browse repositories for a user/*from   w ww . ja  va2 s .c  om*/
 *
 * @param argUsername {@link String} username
 * @return {@link List} containing {@link Repository} instances, empty List if user exists, but has no repositories
 * @throws NullPointerException in case passed username is null
 * @throws HttpClientErrorException in case the user doesn't exist
 */
public List<Repository> browse(String argUsername) {
    RestTemplate template = initTemplate();
    RepositoriesResponse resp = template.getForObject(REPOSITORIES_URL, RepositoriesResponse.class,
            argUsername);
    if (resp == null || resp.getRepositories() == null || resp.getRepositories().length == 0) {
        return Collections.emptyList();
    } else {
        return Arrays.asList(resp.getRepositories());
    }
}

From source file:cz.muni.fi.mir.db.dao.impl.ProgramDAOImpl.java

@Override
public List<Program> getAllPrograms() {
    List<Program> resultList = Collections.emptyList();

    try {/* w ww . ja v  a 2  s.c  o m*/
        resultList = entityManager.createQuery("SELECT p FROM program p", Program.class).getResultList();
    } catch (NoResultException nre) {
        logger.debug(nre);
    }

    return resultList;
}

From source file:com.synopsys.integration.executable.Executable.java

public static Executable create(final File workingDirectory, File executableFile) {
    return create(workingDirectory, executableFile.getAbsolutePath(), Collections.emptyList());
}

From source file:gov.ca.cwds.cals.service.dao.FacilityChildDao.java

/** Get Placement Information for children. */
public List<ChildPlacementInformation> retrieveChildPlacementInformationList(String[] clientIds) {
    if (ArrayUtils.isEmpty(clientIds)) {
        return Collections.emptyList();
    }//from  w  w w  .j av  a  2s  .c o  m
    List<ChildPlacementInformation> childPlacementInformationList = prepareChildPlacementInformationQuery(
            clientIds).list();
    if (LOG.isWarnEnabled() && childPlacementInformationList.size() > clientIds.length) {
        LOG.warn("One or more than one child {} in the home has more than one open placement",
                Arrays.toString(clientIds));
    }
    return childPlacementInformationList;
}