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:de.mas.wiiu.jnus.utils.FSTUtils.java

public static Optional<FSTEntry> getEntryByFullPath(FSTEntry root, String filePath) {
    for (FSTEntry cur : root.getFileChildren()) {
        if (cur.getFullPath().equals(filePath)) {
            return Optional.of(cur);
        }/*  w w  w.  j  av a  2s.c o  m*/
    }

    for (FSTEntry cur : root.getDirChildren()) {
        Optional<FSTEntry> res = getEntryByFullPath(cur, filePath);
        if (res.isPresent()) {
            return res;
        }
    }
    return Optional.empty();
}

From source file:org.openmhealth.shim.jawbone.mapper.JawboneSleepDurationDataPointMapper.java

@Override
protected Optional<SleepDuration> getMeasure(JsonNode listEntryNode) {

    Long totalSleepSessionDuration = asRequiredLong(listEntryNode, "details.duration");
    Long totalTimeAwake = asRequiredLong(listEntryNode, "details.awake");

    SleepDuration.Builder sleepDurationBuilder = new SleepDuration.Builder(
            new DurationUnitValue(DurationUnit.SECOND, totalSleepSessionDuration - totalTimeAwake));

    setEffectiveTimeFrame(sleepDurationBuilder, listEntryNode);

    SleepDuration sleepDuration = sleepDurationBuilder.build();
    asOptionalLong(listEntryNode, "details.awakenings")
            .ifPresent(wakeUpCount -> sleepDuration.setAdditionalProperty("wakeup_count", wakeUpCount));

    return Optional.of(sleepDuration);
}

From source file:com.netflix.spinnaker.halyard.deploy.spinnaker.v1.service.SpringService.java

@Override
protected Optional<String> customProfileOutputPath(String profileName) {
    if (profileName.startsWith(getCanonicalName()) || profileName.startsWith("spinnaker")) {
        return Optional.of(OUTPUT_PATH + profileName);
    } else {//from w w w . j a  v a2s .  c o m
        return Optional.empty();
    }
}

From source file:org.trustedanalytics.metricsprovider.cloudadapter.api.CfSpace.java

@JsonIgnore
public UUID getOrgGuid() {
    Optional<CfSpace> space = Optional.of(this);
    return space.map(CfSpace::getEntity).map(CfSpaceEntity::getOrgGuid).orElse(null);
}

From source file:com.github.horrorho.inflatabledonkey.chunk.engine.ChunkClient.java

public static <T> Optional<T> fetch(HttpClient httpClient, ChunkServer.StorageHostChunkList chunkList,
        Function<ChunkServer.StorageHostChunkList, HttpUriRequest> chunkListRequestFactory,
        ResponseHandler<T> responseHandler) {

    try {/* w  w w .  j  a  v  a  2 s. c  om*/
        HttpUriRequest request = chunkListRequestFactory.apply(chunkList);
        T data = httpClient.execute(request, responseHandler);
        return Optional.of(data);

    } catch (IOException ex) {
        logger.warn("-- fetch() - IOException: {}", ex);
        return Optional.empty();
    }
}

From source file:com.github.robozonky.app.tenant.RefreshableStrategy.java

@Override
protected Optional<String> transform(final String source) {
    return Optional.of(source);
}

From source file:org.zalando.logbook.httpclient.Response.java

@Override
public String getContentType() {
    return Optional.of(response).map(request -> request.getFirstHeader("Content-Type")).map(Header::getValue)
            .orElse("");
}

From source file:net.pkhsolutions.pecsapp.control.ScalingPictureFileStorage.java

public void storeForAllLayouts(@NotNull PictureDescriptor descriptor, @NotNull BufferedImage original)
        throws IOException {
    for (PageLayout layout : PageLayout.values()) {
        LOGGER.debug("Storing image for descriptor {} and layout {}", descriptor, layout);
        pictureFileStorage.store(descriptor, Optional.of(layout),
                pictureTransformer.scaleIfNecessary(original, layout));
    }//from  www.j av a  2s.  c om
    // Finally, also store the raw image
    LOGGER.debug("Storing raw image for descriptor {}", descriptor);
    pictureFileStorage.store(descriptor, Optional.empty(), original);
}

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

@Retryable(value = { TransientDataAccessException.class, DataIntegrityViolationException.class })
@Transactional/*ww  w  .  j  a va2s.  c  o  m*/
public void storeEnvironment(String name, Map<String, String> attributes) {
    Optional<Environment> environmentOptional = tryFindEnvironment(name);
    if (!environmentOptional.isPresent()) {
        Environment environment = new Environment();
        environment.setName(name);
        environment.setAttributes(attributes);
        environment.setStarted(currentDateTime());
        environmentOptional = Optional.of(environmentRepo.save(environment));
    } else {
        environmentOptional.get().setAttributes(attributes);
    }
    LOG.debug("Starting environment - {}", environmentOptional.get());
}

From source file:com.greendot.db.jpa.core.AbstractSearchDao.java

@Transactional(readOnly = true)
public Optional<E> findById(final I id) {

    notNull(id, "Mandatory argument 'id' is missing.");
    return Optional.of(entityManager.find(entityType, id));
}