Example usage for java.util Optional isPresent

Introduction

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

Prototype

public boolean isPresent()

Source Link

Document

If a value is present, returns true , otherwise false .

Usage

From source file:com.teradata.tempto.internal.configuration.ConfigurationVariableResolver.java

private Pair<String, Object> resolveConfigurationEntry(Configuration configuration, String prefix,
        StrSubstitutor strSubstitutor) {
    Optional<Object> optionalValue = configuration.get(prefix);
    if (optionalValue.isPresent()) {
        Object value = optionalValue.get();
        if (value instanceof String) {
            return Pair.of(prefix, strSubstitutor.replace(value));
        } else {//www . j  a  va  2 s.  c o m
            return Pair.of(prefix, value);
        }
    } else {
        return Pair.of(prefix, resolveVariables(configuration.getSubconfiguration(prefix), strSubstitutor));
    }
}

From source file:com.amazonaws.service.apigateway.importer.config.AwsConfig.java

public void load() {
    Optional<String> region = loadRegion();

    if (region.isPresent()) {
        this.region = region.get();
    } else {//from   ww w. ja va 2s  .c  o  m
        this.region = DEFAULT_REGION;
        LOG.warn("Could not load region configuration. Please ensure AWS CLI is "
                + "configured via 'aws configure'. Will use default region of " + this.region);
    }
}

From source file:com.fredhopper.connector.query.populators.response.SearchResponseResultsPopulator.java

@Override
public void populate(final FhSearchResponse source, final FacetSearchPageData<FhSearchQueryData, I> target) {
    final Optional<Universe> universe = getUniverse(source);
    if (universe.isPresent() && universe.get().getItemsSection() != null) {
        final Items items = universe.get().getItemsSection().getItems();
        final List<I> results = new ArrayList<>();
        for (final Item item : items.getItem()) {
            results.add(convertResultDocument(source.getPage().getSearchterms(), item));
        }/*from  www.j  a va  2s. com*/
        target.setResults(results);
    } else {
        target.setResults(Collections.emptyList());
    }
}

From source file:com.teradata.benchto.service.EnvironmentService.java

@Transactional(readOnly = true)
public Environment findEnvironment(String name) {
    Optional<Environment> environment = tryFindEnvironment(name);
    if (!environment.isPresent()) {
        throw new IllegalArgumentException("Could not find environment " + name);
    }//from   ww w .j ava 2 s .c om
    return environment.get();
}

From source file:de.bytefish.elasticutils.elasticsearch2.utils.JsonUtilitiesTest.java

@Test
public void json_is_generated_when_serialization_succeeds() throws Exception {

    TestEntity entity = new TestEntity();

    entity.val = "Test";

    Optional<byte[]> resultBytes = JsonUtilities.convertJsonToBytes(entity);

    Assert.assertEquals(true, resultBytes.isPresent());
    Assert.assertEquals("{\"val\":\"Test\"}", new String(resultBytes.get()));
}

From source file:org.homiefund.api.service.impl.UserServiceImpl.java

@Override
@Transactional(readOnly = true)/*w w w  .j  a  va  2s.c  om*/
public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
    Optional<User> user = userDAO.getByUsername(s);
    if (!user.isPresent()) {
        throw new UsernameNotFoundException(s);
    } else {
        UserDTO result = mapper.map(user.get(), UserDTO.class);
        result.setHomes(homeDAO.getHomes(user.get()).stream().map(h -> {
            HomeDTO hdto = new HomeDTO();
            hdto.setId(h.getId());
            return hdto;
        }).collect(Collectors.toList()));

        return result;
    }
}

From source file:io.dfox.junit.example.NoteRepositoryTest.java

@Test
public void testSaveFind() throws IOException {

    final String name = "test-note";
    final String contents = "This is my note";

    assertFalse(repository.getNote(name).isPresent());

    try (InputStream contentsStream = IOUtils.toInputStream(contents)) {
        repository.saveNote(name, contentsStream);
    }// w  ww .jav  a 2  s . co m

    Optional<InputStream> note = repository.getNote(name);
    assertTrue(note.isPresent());
    try (InputStream stream = note.get()) {
        String savedContents = IOUtils.toString(stream);
        Assert.assertEquals(contents, savedContents);
    }
}

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

@Override
protected Optional<DataPoint<BodyWeight>> asDataPoint(JsonNode node) {

    MassUnitValue bodyWeight = new MassUnitValue(KILOGRAM, asRequiredDouble(node, "weight"));
    BodyWeight.Builder builder = new BodyWeight.Builder(bodyWeight);

    Optional<OffsetDateTime> dateTime = combineDateTimeAndTimezone(node);

    if (dateTime.isPresent()) {
        builder.setEffectiveTimeFrame(dateTime.get());
    }/*from w w w. j av a 2s.c  om*/

    Optional<Long> externalId = asOptionalLong(node, "logId");

    return Optional.of(newDataPoint(builder.build(), externalId.orElse(null)));
}

From source file:org.openmhealth.shim.runkeeper.mapper.RunkeeperCaloriesBurnedDataPointMapper.java

@Override
protected Optional<DataPoint<CaloriesBurned>> asDataPoint(JsonNode itemNode) {

    Optional<CaloriesBurned> caloriesBurned = getMeasure(itemNode);

    if (caloriesBurned.isPresent()) {
        return Optional
                .of(new DataPoint<>(getDataPointHeader(itemNode, caloriesBurned.get()), caloriesBurned.get()));
    } else {/*from  w ww  .  j  a v a2 s .c o m*/
        return Optional.empty(); // return empty if there was no calories information to generate a datapoint
    }

}

From source file:org.jhk.pulsing.web.service.prod.UserService.java

@Override
public Result<User> getUser(UserId userId) {
    Result<User> result = new Result<>(FAILURE, "Unable to find " + userId);

    Optional<User> user = mySqlUserDao.getUser(userId);
    if (user.isPresent()) {
        result = new Result<>(SUCCESS, user.get());
    }//from  ww  w .jav  a  2s .  c o  m

    return result;
}