Example usage for java.util Optional orElse

Introduction

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

Prototype

public T orElse(T other)

Source Link

Document

If a value is present, returns the value, otherwise returns other .

Usage

From source file:com.netflix.imfutility.cpl._2013.Cpl2013ContextBuilderStrategy.java

@Override
protected String getDefaultCplLanguage() {
    // assume default language to be first language of first locale
    LocaleList localeList = cpl2013.getLocaleList();
    //  no locales defined
    if (localeList == null) {
        return null;
    }//from  w  ww  .j  av a2 s  . c o m

    Optional<LocaleType> locale = localeList.getLocale().stream().findFirst();
    if (!locale.isPresent()) {
        return null;
    }

    // no languages defined
    LanguageList languageList = locale.get().getLanguageList();
    if (languageList == null) {
        return null;
    }

    Optional<String> language = languageList.getLanguage().stream().findFirst();
    return language.orElse(null);
}

From source file:com.netflix.imfutility.cpl._2016.Cpl2016ContextBuilderStrategy.java

@Override
protected String getDefaultCplLanguage() {
    // assume default language to be first language of first locale
    LocaleList localeList = cpl2016.getLocaleList();
    //  no locales defined
    if (localeList == null) {
        return null;
    }/*ww w.  j a v  a2 s.  c o  m*/

    Optional<LocaleType> locale = localeList.getLocale().stream().findFirst();
    if (!locale.isPresent()) {
        return null;
    }

    // no languages defined
    LanguageList languageList = locale.get().getLanguageList();
    if (languageList == null) {
        return null;
    }

    Optional<String> language = languageList.getLanguage().stream().findFirst();
    return language.orElse(null);
}

From source file:org.apache.metron.stellar.common.BaseStellarProcessor.java

private ParseException createException(String rule, VariableResolver resolver, Throwable t) {
    String message = "Unable to parse: " + rule + " due to: " + t.getMessage();
    Set<String> variablesUsed = variablesUsed(rule);
    if (variablesUsed.isEmpty()) {
        return new ParseException(message, t);
    }//  w  w  w .  j ava2 s. com
    List<Map.Entry<String, Object>> messagesUsed = new ArrayList<>(variablesUsed.size());
    for (String v : variablesUsed) {
        Optional<Object> resolved = Optional.ofNullable(resolver.resolve(v));
        messagesUsed.add(new AbstractMap.SimpleEntry<>(v, resolved.orElse("missing")));
    }
    return new ParseException(message + " with relevant variables " + Joiner.on(",").join(messagesUsed), t);
}

From source file:com.khartec.waltz.data.changelog.ChangeLogDao.java

public List<ChangeLog> findByParentReference(EntityReference ref, Optional<Integer> limit) {
    checkNotNull(ref, "ref must not be null");

    return dsl.select().from(CHANGE_LOG).where(CHANGE_LOG.PARENT_ID.eq(ref.id()))
            .and(CHANGE_LOG.PARENT_KIND.eq(ref.kind().name())).orderBy(CHANGE_LOG.CREATED_AT.desc())
            .limit(limit.orElse(Integer.MAX_VALUE)).fetch(mapper);
}

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

@ExtDirectMethod(group = "optional")
public String method17(
        @CookieValue(required = false, defaultValue = "theDefaultValue") Optional<String> stringCookie) {
    return stringCookie.orElse("anotherDefault");
}

From source file:org.jboss.tools.openshift.internal.core.server.debug.RouteTimeout.java

private IRoute getRoute(IResource resource, Connection connection, IProgressMonitor monitor) {
    SubMonitor routeMonitor = SubMonitor.convert(monitor);
    routeMonitor.beginTask("Determine route to set the haproxy timeout for...", 2);
    if (routeMonitor.isCanceled()) {
        return null;
    }/*w  w  w  .  ja va  2s  .  c  om*/
    List<IService> services = connection.getResources(ResourceKind.SERVICE, resource.getNamespace());
    Collection<IService> matchingServices = ResourceUtils.getServicesFor(resource, services);
    routeMonitor.worked(1);
    if (routeMonitor.isCanceled()) {
        return null;
    }
    List<IRoute> routes = connection.getResources(ResourceKind.ROUTE, resource.getNamespace());
    // TODO: support multiple matching routes, for now only get first
    Optional<IRoute> matchingRoute = matchingServices.stream()
            .flatMap(service -> ResourceUtils.getRoutesFor(service, routes).stream()).findFirst();
    routeMonitor.worked(1);
    routeMonitor.done();
    return matchingRoute.orElse(null);
}

From source file:com.devicehive.service.NetworkService.java

@Transactional
public NetworkVO createOrUpdateNetworkByUser(Optional<NetworkVO> networkNullable, UserVO user) {
    //case network is not defined
    if (networkNullable == null || networkNullable.orElse(null) == null) {
        return null;
    }//from ww  w  . ja  v  a 2  s .c o m

    NetworkVO network = networkNullable.orElse(null);

    Optional<NetworkVO> storedOpt = findNetworkByIdOrName(network);
    if (storedOpt.isPresent()) {
        NetworkVO stored = validateNetworkKey(storedOpt.get(), network);
        if (!userService.hasAccessToNetwork(user, stored)) {
            throw new ActionNotAllowedException(Messages.NO_ACCESS_TO_NETWORK);
        }
        return stored;
    } else {
        if (network.getId() != null) {
            throw new IllegalParametersException(Messages.INVALID_REQUEST_PARAMETERS);
        }
        boolean allowed = configurationService.getBoolean(ALLOW_NETWORK_AUTO_CREATE, false);
        if (user.isAdmin() || allowed) {
            NetworkWithUsersAndDevicesVO newNetwork = new NetworkWithUsersAndDevicesVO(network);
            networkDao.persist(newNetwork);
            network.setId(newNetwork.getId());
            userService.assignNetwork(user.getId(), network.getId()); // Assign created network to user
        } else {
            throw new ActionNotAllowedException(Messages.NETWORK_CREATION_NOT_ALLOWED);
        }
        return network;
    }
}

From source file:org.haiku.haikudepotserver.api1.PkgJobApiImpl.java

@Override
public QueuePkgScreenshotExportArchiveJobResult queuePkgScreenshotExportArchiveJob(
        QueuePkgScreenshotExportArchiveJobRequest request) {
    Preconditions.checkArgument(null != request, "the request must be supplied");

    final ObjectContext context = serverRuntime.newContext();

    Optional<User> user = tryObtainAuthenticatedUser(context);

    if (!authorizationService.check(context, user.orElse(null), null,
            Permission.BULK_PKGSCREENSHOTEXPORTARCHIVE)) {
        LOGGER.warn("attempt to export pkg screenshots as an archive, but was not authorized");
        throw new AuthorizationFailureException();
    }/*from w w w.jav a 2 s  .c  o m*/

    PkgScreenshotExportArchiveJobSpecification specification = new PkgScreenshotExportArchiveJobSpecification();
    specification.setOwnerUserNickname(user.get().getNickname());
    specification.setPkgName(request.pkgName);

    return new QueuePkgScreenshotExportArchiveJobResult(
            jobService.submit(specification, JobSnapshot.COALESCE_STATUSES_NONE));
}

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

@ExtDirectMethod(group = "optional")
public String method1(Optional<Integer> i, Optional<BigDecimal> bd, String s) {
    return String.format("method1() called-%d-%.3f-%s", i.orElse(-1), bd.orElse(new BigDecimal("3.141")), s);
}

From source file:org.haiku.haikudepotserver.api1.PkgJobApiImpl.java

@Override
public QueuePkgIconArchiveImportJobResult queuePkgIconArchiveImportJob(
        QueuePkgIconArchiveImportJobRequest request) throws ObjectNotFoundException {

    Preconditions.checkArgument(null != request, "the request must be supplied");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(request.inputDataGuid),
            "the input data must be identified by guid");

    final ObjectContext context = serverRuntime.newContext();

    Optional<User> user = tryObtainAuthenticatedUser(context);

    if (!authorizationService.check(context, user.orElse(null), null, Permission.BULK_PKGICONIMPORTARCHIVE)) {
        LOGGER.warn("attempt to import package icons, but was not authorized");
        throw new AuthorizationFailureException();
    }/* ww  w. j a  va 2s  .c o  m*/

    // now check that the data is present.

    jobService.tryGetData(request.inputDataGuid).orElseThrow(
            () -> new ObjectNotFoundException(JobData.class.getSimpleName(), request.inputDataGuid));

    // setup and go

    PkgIconImportArchiveJobSpecification spec = new PkgIconImportArchiveJobSpecification();
    spec.setOwnerUserNickname(user.map(_User::getNickname).orElse(null));
    spec.setInputDataGuid(request.inputDataGuid);

    return new QueuePkgIconArchiveImportJobResult(jobService.submit(spec, JobSnapshot.COALESCE_STATUSES_NONE));
}