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:org.juiser.spring.security.authentication.ClaimsGrantedAuthoritiesResolver.java

@Override
public Collection<? extends GrantedAuthority> apply(Claims claims) {

    Collection<String> authorityStrings = authorityStringsResolver.apply(claims);

    if (CollectionUtils.isEmpty(authorityStrings)) {
        return Collections.emptyList();
    }/*www.j ava 2 s.  co m*/

    return AuthorityUtils.createAuthorityList(authorityStrings.toArray(new String[authorityStrings.size()]));
}

From source file:io.cloudslang.lang.runtime.bindings.InputsBindingTest.java

@Test
public void testEmptyBindInputs() throws Exception {
    List<Input> inputs = Collections.emptyList();
    Map<String, Serializable> result = bindInputs(inputs);
    Assert.assertTrue(result.isEmpty());
}

From source file:com.rockagen.gnext.service.spring.QueryObjectGenericServImpl.java

@Override
public List<?> query(final QueryObject queryObject) {

    if (queryObject == null) {
        return Collections.emptyList();
    }//  ww  w.j a v  a 2  s. com
    Boolean limit = false;
    if (queryObject.getSize() > 0) {
        limit = true;
    }

    if (!CommUtil.isBlank(queryObject.getSql())) {
        if (limit) {
            if (notEmpty(queryObject.getMap())) {
                return getGenericDao().query(queryObject.getSql(), queryObject.getIndex(),
                        queryObject.getSize(), queryObject.getMap());
            } else {
                return getGenericDao().query(queryObject.getSql(), queryObject.getIndex(),
                        queryObject.getSize(), queryObject.getArgs());
            }

        } else {
            if (notEmpty(queryObject.getMap())) {
                return getGenericDao().query(queryObject.getSql(), queryObject.getMap());
            } else {
                return getGenericDao().query(queryObject.getSql(), queryObject.getArgs());
            }

        }
    } else if (queryObject.getDetachedCriteria() != null) {
        if (limit) {
            return getHibernate4GenericDao().queryByCriteria(queryObject.getDetachedCriteria(),
                    queryObject.getIndex(), queryObject.getSize());
        } else {
            return getHibernate4GenericDao().queryByCriteria(queryObject.getDetachedCriteria());
        }
    } else {
        // XXX
        return Collections.emptyList();
    }

}

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

@Override
public List<User> getAllUsers() {
    List<User> resultList = Collections.emptyList();

    try {//from  w  ww  .j a  v a2 s.  c  o  m
        resultList = entityManager.createQuery("SELECT u FROM users u", User.class).getResultList();
    } catch (NoResultException nre) {
        logger.debug(nre);
    }

    return resultList;
}

From source file:org.openlmis.fulfillment.web.util.ProofOfDeliveryDtoBuilder.java

/**
 * Create a new list of {@link ProofOfDeliveryDto} based on data
 * from {@link Shipment}.//  w w w .ja  v a 2  s  .  co m
 *
 * @param pods collection used to create {@link ProofOfDeliveryDto} list (can be {@code null})
 * @return new list of {@link ProofOfDeliveryDto}. Empty list if passed argument is {@code null}.
 */
public List<ProofOfDeliveryDto> build(Collection<ProofOfDelivery> pods) {
    if (null == pods) {
        return Collections.emptyList();
    }
    return pods.stream().map(this::export).collect(Collectors.toList());
}

From source file:com.github.leonardoxh.temporeal.app.utils.JsonUtils.java

/**
 * Este metodo tambem transforma qualquer json valido
 * em algum dos nossos models porem este retorna uma lista
 * @param json um json valido para transformarmos em objeto
 * @param clazz a classe que esperamos/* w  w w  .  jav  a2  s  . co  m*/
 * @param <T> tipo da classe para retorno
 * @return uma lista com os nossos models (nunca null)
 */
public static <T extends Model> List<T> listFromJson(String json, Class<T> clazz) {
    try {
        return OBJECT_MAPPER.readValue(json, new TypeReference<List<T>>() {
        });
    } catch (Exception e) {
        e.printStackTrace();
    }
    return Collections.emptyList();
}

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

@Override
public List<UserRole> getAllUserRoles() {
    List<UserRole> resultList = Collections.emptyList();
    try {//from  w  w  w.jav a2 s .c o m
        resultList = entityManager.createQuery("SELECT ur FROM userRole ur", UserRole.class).getResultList();
    } catch (NoResultException nre) {
        logger.debug(nre);
    }

    return resultList;
}

From source file:com.bstek.dorado.data.provider.PagingList.java

@SuppressWarnings("unchecked")
public PagingList(DataProvider dataProvider, DataType dataType, Object parameter, int pageSize, int pageNo)
        throws Exception {
    super((List<E>) Collections.emptyList());
    this.dataProvider = dataProvider;
    this.dataType = dataType;
    this.parameter = parameter;
    this.pageSize = pageSize;
    this.gotoPage(pageNo);
}

From source file:spring.travel.site.controllers.NewsController.java

@RequestMapping(method = RequestMethod.GET)
@ResponseBody/*  w ww  .  ja  va  2  s  .  c o m*/
public DeferredResult<ModelAndView> news(@RequestInfo Request requestInfo) {
    return withOptionalUser(requestInfo, (request, response) -> {
        newsService.news().whenComplete((newsItems, throwable) -> {
            Map<String, ?> map = NewsPage.from(request.getUser(), newsItems.orElse(Collections.emptyList()));
            response.setResult(new ModelAndView("news", map));
        });
    });
}

From source file:org.openlmis.fulfillment.service.referencedata.ProgramReferenceDataService.java

/**
 * Finds programs by their ids./*from  w  w  w  .j a v  a 2  s .c om*/
 *
 * @param ids ids to look for.
 * @return a page of programs
 */
public Collection<ProgramDto> findByIds(Collection<UUID> ids) {
    if (CollectionUtils.isEmpty(ids)) {
        return Collections.emptyList();
    }
    return findAll("", RequestParameters.init().set("id", ids));
}