Example usage for java.util Optional ofNullable

Introduction

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

Prototype

@SuppressWarnings("unchecked")
public static <T> Optional<T> ofNullable(T value)

Source Link

Document

Returns an Optional describing the given value, if non- null , otherwise returns an empty Optional .

Usage

From source file:org.rapidpm.microservice.optionals.service.ServiceWrapper.java

private static void startMicroservice(String[] args) {
    checkPortFileExists();
    deploy(Optional.ofNullable(args));
    writeRestPortToFile();
}

From source file:com.ikanow.aleph2.core.shared.utils.TimeSliceDirUtils.java

/** Given a pair of (optional) human readable strings (which are assumed to refer to the past)
 *  returns a pair of optional dates/*from  w  w  w.jav  a 2s. com*/
 * @param input_config
 * @return
 */
public static Tuple2<Optional<Date>, Optional<Date>> getQueryTimeRange(
        final AnalyticThreadJobInputConfigBean input_config, final Date now) {
    Function<Optional<String>, Optional<Date>> parseDate = maybe_date -> maybe_date
            .map(datestr -> TimeUtils.getSchedule(datestr, Optional.of(now))).filter(res -> res.isSuccess())
            .map(res -> res.success())
            // OK so this wants to be backwards in time always...
            .map(date -> {
                if (date.getTime() > now.getTime()) {
                    final long diff = date.getTime() - now.getTime();
                    return Date.from(now.toInstant().minusMillis(diff));
                } else
                    return date;
            });

    final Optional<Date> tmin = parseDate.apply(Optional.ofNullable(input_config.time_min()));
    final Optional<Date> tmax = parseDate.apply(Optional.ofNullable(input_config.time_max()));

    return Tuples._2T(tmin, tmax);
}

From source file:me.ferrybig.javacoding.webmapper.requests.JSONSessionProvider.java

@Override
public EndpointResult<?> handleHttpRequest(WebServerRequest req) throws RouteException {
    Optional<JSONObject> data = req.getDataAs(JSONObject.class);
    LazySessionSupplier s = new LazySessionSupplier(() -> sessions.findOrCreateSession(
            Optional.ofNullable(data.orElseGet(JSONObject::new).optString("session", null))));
    req.setSessionSupplier(s);//from  www . j  a  va  2  s .  c o  m
    EndpointResult<?> upper = upstream.handleHttpRequest(req);
    if (upper.getContentType() == JSON) {
        JSONObject obj = (JSONObject) upper.getData();
        obj.put("session", s.getSession().getKey());
        return new EndpointResult<>(upper.getResult(), obj, JSON);
    }
    return upper;
}

From source file:com.tesobe.obp.transport.json.RequestDecoder.java

@Override
public Optional<Transport.Target> target() {
    return Optional.ofNullable(json.optEnum(Transport.Target.class, "target", null));
}

From source file:com.kazuki43zoo.jpetstore.service.CatalogService.java

public Category getCategory(String categoryId) {
    return Optional.ofNullable(categoryMapper.getCategory(categoryId))
            .orElseThrow(() -> new ResourceNotFoundException("Category", categoryId));
}

From source file:org.zalando.riptide.Actions.java

/**
 * Normalizes the {@code Location} and {@code Content-Location} headers of any given response by resolving them
 * against the given {@code uri}./*  w w w .j  av a2 s.  c  o  m*/
 *
 * @param uri the base uri to resolve against
 * @return a function that normalizes responses
 */
public static ThrowingFunction<ClientHttpResponse, ClientHttpResponse, IOException> normalize(final URI uri) {
    return response -> {
        final HttpHeaders headers = new HttpHeaders();
        headers.putAll(response.getHeaders());

        Optional.ofNullable(headers.getLocation()).map(uri::resolve).ifPresent(headers::setLocation);

        Optional.ofNullable(headers.getFirst(CONTENT_LOCATION)).map(uri::resolve)
                .ifPresent(location -> headers.set(CONTENT_LOCATION, location.toASCIIString()));

        return new ForwardingClientHttpResponse() {

            @Override
            protected ClientHttpResponse delegate() {
                return response;
            }

            @Override
            public HttpHeaders getHeaders() {
                return headers;
            }

        };
    };
}

From source file:com.speedment.examples.social.JSONUser.java

private static String mapToString(JSONObject user, String key) {
    return Optional.ofNullable(user.get(key)).map(Object::toString).orElse("");
}

From source file:io.smalldata.ohmageomh.data.domain.EndUser.java

public Optional<InternetAddress> getEmailAddress() {
    return Optional.ofNullable(emailAddress);
}

From source file:org.ow2.proactive.connector.iaas.service.ImageService.java

public Set<Image> getAllImages(String infrastructureId) {
    return Optional.ofNullable(infrastructureService.getInfrastructure(infrastructureId))
            .map(infrastructure -> cloudManager.getAllImages(infrastructure))
            .orElseThrow(() -> new NotFoundException(
                    "infrastructure id  : " + infrastructureId + " does not exists"));
}

From source file:io.mapzone.arena.csw.catalog.CswMetadataDCMI.java

@Override
public Optional<String> getDescription() {
    return Optional.ofNullable(record().description);
}