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:alfio.model.TicketFieldConfigurationDescriptionAndValue.java

public List<TicketFieldValue> getFields() {
    if (count == 1) {
        return Collections.singletonList(new TicketFieldValue(0, 1, value));
    }//from  ww  w .j  a va2  s .c  om
    List<String> values = StringUtils.isBlank(value) ? Collections.emptyList()
            : Json.fromJson(value, new TypeReference<List<String>>() {
            });
    return IntStream.range(0, count)
            .mapToObj(i -> new TicketFieldValue(i, i + 1, i < values.size() ? values.get(i) : ""))
            .collect(Collectors.toList());

}

From source file:no.dusken.aranea.service.BannerServiceImpl.java

public List<Banner> getBanners() {
    List<Banner> list = Collections.emptyList();
    try {//w w  w .  j ava2  s . c  o m
        list = genericDao.getByNamedQuery("banners_all", null);
    } catch (DataAccessException dae) {
        log.info("Unable to get Banners", dae);
    }
    return list;
}

From source file:no.dusken.aranea.service.IssueServiceImpl.java

public List<Issue> getIssuesPublished(int year) {
    List<Issue> i = Collections.emptyList();
    try {// w  ww .  ja v a2 s.  c  om
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("fromDate", new GregorianCalendar(year, 0, 1));
        GregorianCalendar endOfYear = new GregorianCalendar(year, 11, 31);
        GregorianCalendar today = new GregorianCalendar();
        if (endOfYear.after(today)) {
            map.put("toDate", today);
        } else {
            map.put("toDate", endOfYear);
        }
        i = genericDao.getByNamedQuery("issues_byyear_published", map);
    } catch (DataAccessException dae) {
        log.warn("Unable to get Issues", dae);
    }
    return i;
}

From source file:uk.co.flax.biosolr.ontology.core.ols.graph.GraphTest.java

@Test
public void getEdgesBySource_badSource() throws Exception {
    Graph graph = new Graph(null, Collections.emptyList());
    Collection<Edge> edges = graph.getEdgesBySource("http://www.ebi.ac.uk/efo/EFO_0005580", true);
    assertNotNull(edges);//from w  w  w  .  ja v a2s  . c  o  m
    assertEquals(0, edges.size());
}

From source file:org.elasticsearch.test.rest.yaml.ClientYamlTestExecutionContextTests.java

public void testHeadersSupportStashedValueReplacement() throws IOException {
    final AtomicReference<Map<String, String>> headersRef = new AtomicReference<>();
    final ClientYamlTestExecutionContext context = new ClientYamlTestExecutionContext(null, randomBoolean()) {
        @Override// w w  w .  ja va 2 s .  c o m
        ClientYamlTestResponse callApiInternal(String apiName, Map<String, String> params, HttpEntity entity,
                Map<String, String> headers) {
            headersRef.set(headers);
            return null;
        }
    };
    final Map<String, String> headers = new HashMap<>();
    headers.put("foo", "$bar");
    headers.put("foo1", "baz ${c}");

    context.stash().stashValue("bar", "foo2");
    context.stash().stashValue("c", "bar1");

    assertNull(headersRef.get());
    context.callApi("test", Collections.emptyMap(), Collections.emptyList(), headers);
    assertNotNull(headersRef.get());
    assertNotEquals(headers, headersRef.get());

    assertEquals("foo2", headersRef.get().get("foo"));
    assertEquals("baz bar1", headersRef.get().get("foo1"));
}

From source file:com.heliosdecompiler.helios.controller.PathController.java

public void reload() {
    tasks.submit(new BackgroundTask(Message.TASK_RELOADING_PATH.format(), true, () -> {
        List<OpenedFile> reloaded = new ArrayList<>();
        List<File> reloadedFiles = new ArrayList<>();
        List<String> path = configuration.getList(String.class, Settings.PATH_KEY, Collections.emptyList());
        for (String filepath : path) {
            File file = new File(filepath);
            if (file.exists()) {
                reloaded.add(new OpenedFile(messageHandler, file));
                reloadedFiles.add(file);
            }/*from w  w  w  . jav a 2  s  .co m*/
        }

        lock.lock();
        try {
            pathOpenedFiles = reloaded;
            pathFiles = reloadedFiles;
        } finally {
            lock.unlock();
        }
    }));
}

From source file:com.evanzeimet.queryinfo.jpa.field.QueryInfoJPAAttributePathBuilder.java

protected QueryInfoJPAAttributePathBuilder(QueryInfoEntityContextRegistry entityContextRegistry,
        Class<R> root) {/*from ww  w  .  j  av  a 2s  . c  o  m*/
    this.entityContextRegistry = entityContextRegistry;
    this.root = root;
    this.attributes = Collections.emptyList();
}

From source file:org.apereo.openlrs.storage.inmemory.InMemoryStorage.java

@Override
public List<OpenLRSEntity> saveAll(Collection<OpenLRSEntity> entities) {
    if (entities != null && !entities.isEmpty()) {
        for (OpenLRSEntity entity : entities) {
            save(entity);/*from   ww w. ja  v  a 2 s.co  m*/
        }
        return new ArrayList<OpenLRSEntity>(entities);
    }
    return Collections.emptyList();
}

From source file:com.orange.cepheus.cep.EsperEventProcessorTest.java

@After
public void resetEmptyConfiguration() throws ConfigurationException {
    Configuration emptyConfiguration = new Configuration();
    emptyConfiguration.setEventTypeIns(Collections.emptyList());
    emptyConfiguration.setEventTypeOuts(Collections.emptyList());
    emptyConfiguration.setStatements(Collections.emptyList());
    esperEventProcessor.setConfiguration(emptyConfiguration);
}

From source file:com.asakusafw.runtime.stage.temporary.TemporaryStorage.java

/**
 * Resolves the raw path pattern into the concrete path list.
 * @param conf current configuration//ww w . j  ava 2s  .  com
 * @param pathPattern path pattern which describes temporary storage
 * @return the resolved paths
 * @throws IOException if failed to resolve path pattern
 * @throws IllegalArgumentException if some parameters were {@code null}
 */
public static List<Path> list(Configuration conf, Path pathPattern) throws IOException {
    if (conf == null) {
        throw new IllegalArgumentException("conf must not be null"); //$NON-NLS-1$
    }
    if (pathPattern == null) {
        throw new IllegalArgumentException("pathPattern must not be null"); //$NON-NLS-1$
    }
    List<FileStatus> statusList = listStatus(conf, pathPattern);
    if (statusList.isEmpty()) {
        return Collections.emptyList();
    }
    List<Path> results = new ArrayList<>();
    for (FileStatus status : statusList) {
        results.add(status.getPath());
    }
    return results;
}