Example usage for java.util Optional of

Introduction

In this page you can find the example usage for java.util Optional of.

Prototype

public static <T> Optional<T> of(T value)

Source Link

Document

Returns an Optional describing the given non- null value.

Usage

From source file:spring.travel.site.services.UserServiceTest.java

@Test
public void shouldReturnUserWithAnAddress() throws Exception {
    stubGet("/user?id=123",
            new User("123", "Fred", "Flintstone", "freddyf", Optional.of(new Address("345 Stonecave Road",
                    "Bedrock", "70777", "US", new Location(5290307, 36.128551, -112.036070)))));

    HandOff<Optional<User>> handOff = new HandOff<>();

    userService.user(Optional.of("123")).whenComplete((user, t) -> handOff.put(user));

    Optional<User> optionalUser = handOff.get(1);
    assertNotEquals(Optional.empty(), optionalUser);

    User user = optionalUser.get();/*  ww  w. jav  a  2  s.  c  o  m*/
    assertEquals("Fred", user.getFirstName());
    assertNotEquals(Optional.empty(), user.getAddress());

    Address address = user.getAddress().get();
    assertEquals("345 Stonecave Road", address.getFirstLine());
    assertEquals(5290307, address.getLocation().getCityId());
}

From source file:ddf.catalog.validation.impl.validator.ISO3CountryCodeValidator.java

/**
 * {@inheritDoc}/*from  w  w w.j a v a  2  s. c  o  m*/
 *
 * <p>Validates only the values of {@code attribute} that are {@link String}s.
 */
@Override
public Optional<AttributeValidationReport> validate(Attribute attribute) {
    Preconditions.checkArgument(attribute != null, "The attribute cannot be null.");

    AttributeValidationReport report = buildReport(attribute);

    return report.getAttributeValidationViolations().isEmpty() ? Optional.empty() : Optional.of(report);
}

From source file:com.orange.ngsi2.model.Notification.java

@JsonIgnore
public void setHeader(String key, String value) {
    if (this.headers == null) {
        this.headers = Optional.of(new HashMap<>());
    }/*w  w w  . j  a v a2 s  .co m*/
    this.headers.get().put(key, value);
}

From source file:net.sf.jabref.logic.journals.JournalAbbreviationRepository.java

/**
 * Attempts to get the abbreviated name of the journal given. May contain dots.
 *
 * @param journalName The journal name to abbreviate.
 * @return The abbreviated name/*  w w w . jav a 2 s  . c o m*/
 */
public Optional<Abbreviation> getAbbreviation(String journalName) {
    String nameKey = Objects.requireNonNull(journalName).toLowerCase(Locale.ENGLISH).trim();

    if (fullNameLowerCase2Abbreviation.containsKey(nameKey)) {
        return Optional.of(fullNameLowerCase2Abbreviation.get(nameKey));
    } else if (isoLowerCase2Abbreviation.containsKey(nameKey)) {
        return Optional.of(isoLowerCase2Abbreviation.get(nameKey));
    } else if (medlineLowerCase2Abbreviation.containsKey(nameKey)) {
        return Optional.of(medlineLowerCase2Abbreviation.get(nameKey));
    } else {
        return Optional.empty();
    }
}

From source file:org.openmhealth.shim.fitbit.mapper.FitbitIntradayStepCountDataPointMapper.java

@Override
protected Optional<DataPoint<StepCount>> asDataPoint(JsonNode listEntryNode) {

    BigDecimal stepCountValue = asRequiredBigDecimal(listEntryNode, "value");

    if (stepCountValue.intValue() == 0) {
        return Optional.empty();
    }/*from w  w  w.  jav a  2s  . c o  m*/

    StepCount.Builder stepCountBuilder = new StepCount.Builder(stepCountValue);

    Optional<LocalDate> dateFromParent = getDateFromSummaryForDay();

    if (dateFromParent.isPresent()) {

        // Set the effective time frame only if we have access to the date and time
        asOptionalString(listEntryNode, "time").ifPresent(time -> stepCountBuilder.setEffectiveTimeFrame(
                ofStartDateTimeAndDuration(dateFromParent.get().atTime(LocalTime.parse(time)).atOffset(UTC),
                        new DurationUnitValue(MINUTE, 1)))); // We use 1 minute since the shim requests data at 1 minute granularity
    }

    return Optional.of(newDataPoint(stepCountBuilder.build(), null));
}

From source file:fi.helsinki.opintoni.security.CustomAuthenticationSuccessHandlerTest.java

@Test
public void thatOldUserDoesNotResultInNewUser() throws Exception {
    Optional<User> user = Optional.of(new User());
    HttpServletResponse response = mockResponse();

    when(userService.findFirstByEduPersonPrincipalName(EDU_PRINCIPAL_NAME)).thenReturn(user);

    handler.onAuthenticationSuccess(mock(HttpServletRequest.class), response, authentication);

    verify(userService, never()).createNewUser(any(AppUser.class));
}

From source file:org.ow2.proactive.workflow_catalog.rest.controller.BucketControllerTest.java

@Test
public void testListWithOwner() throws Exception {
    Pageable mockedPageable = mock(Pageable.class);
    PagedResourcesAssembler mockedAssembler = mock(PagedResourcesAssembler.class);
    final Optional<String> owner = Optional.of("toto");
    bucketController.list(owner, mockedPageable, mockedAssembler);
    verify(bucketService, times(1)).listBuckets(owner, mockedPageable, mockedAssembler);
}

From source file:se.omegapoint.facepalm.infrastructure.JPAImageRepository.java

@Override
public Optional<se.omegapoint.facepalm.domain.ImagePost> findById(String id) {
    notBlank(id);//from  ww  w .  j a  va  2  s. co m

    final String query = String.format("SELECT * FROM IMAGE_POSTS WHERE id = %s", id);

    eventService.publish(new GenericEvent("Searching for image post with query: " + query));

    final List<ImagePost> imagePosts = entityManager.createNativeQuery(query, ImagePost.class).getResultList();

    return imagePosts.size() == 1 ? Optional.of(convertToDomain(imagePosts.get(0))) : Optional.empty();
}

From source file:org.openmhealth.shim.ihealth.mapper.IHealthOxygenSaturationDataPointMapper.java

@Override
protected Optional<DataPoint<OxygenSaturation>> asDataPoint(JsonNode listEntryNode,
        Integer measureUnitMagicNumber) {

    BigDecimal bloodOxygenValue = asRequiredBigDecimal(listEntryNode, "BO");

    // iHealth has stated that missing values would most likely be represented as a 0 value for the field
    if (bloodOxygenValue.compareTo(ZERO) == 0) {
        return Optional.empty();
    }/*from w  w w.ja  va2 s  . co  m*/

    OxygenSaturation.Builder oxygenSaturationBuilder = new OxygenSaturation.Builder(
            new TypedUnitValue<>(PERCENT, bloodOxygenValue)).setMeasurementMethod(PULSE_OXIMETRY)
                    .setMeasurementSystem(PERIPHERAL_CAPILLARY);

    getEffectiveTimeFrameAsDateTime(listEntryNode).ifPresent(oxygenSaturationBuilder::setEffectiveTimeFrame);
    getUserNoteIfExists(listEntryNode).ifPresent(oxygenSaturationBuilder::setUserNotes);

    OxygenSaturation oxygenSaturation = oxygenSaturationBuilder.build();

    return Optional
            .of(new DataPoint<>(createDataPointHeader(listEntryNode, oxygenSaturation), oxygenSaturation));
}

From source file:ch.ralscha.extdirectspring.provider.RemoteProviderOptional.java

@ExtDirectMethod(group = "optional")
public Optional<String> method5(Optional<Integer> id, @RequestHeader("anotherName") Optional<String> header) {
    return Optional.of(id.get() + ";" + header.get());
}