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:fi.helsinki.opintoni.integration.unisport.UnisportMockClient.java

@Override
public Optional<UnisportUser> getUnisportUserByPrincipal(String username) {
    if (username.equals("opettaja@helsinki.fi")) {
        return Optional.ofNullable(null);
    } else {//from w  w w .  ja  v a2  s . c om
        return Optional.ofNullable(getResponse(userResource, new TypeReference<UnisportUser>() {
        }));
    }
}

From source file:co.runrightfast.vertx.core.eventbus.MessageHeader.java

public static Optional<String> getFromAddress(@NonNull final Message message) {
    return Optional.ofNullable(message.headers().get(FROM_ADDRESS.header));
}

From source file:com.fantasy.stataggregator.workers.DataRetriever.java

@Override
public JSONObject makeRequest() {
    WebTarget target = getTarget();// w w  w  .ja v a2  s  . c  om

    Response res = target.request(MediaType.APPLICATION_JSON_TYPE).get();
    if (res.getStatus() == Response.Status.OK.getStatusCode()) {
        String consumable = Optional.ofNullable(res.readEntity(String.class)).orElse("");
        if (!consumable.isEmpty()) {
            JSONObject sched;
            try {
                sched = new JSONObject(consumable);
                return sched;
            } catch (JSONException ex) {
                Logger.getLogger(ScheduleRetrieverTask.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
    return null;
}

From source file:fi.helsinki.opintoni.config.AppConfiguration.java

public String get(String key) {
    return Optional.ofNullable(runtimePropertyOverrides.get(key)).orElseGet(() -> environment.getProperty(key));
}

From source file:com.teradata.benchto.driver.graphite.GraphiteProperties.java

public Optional<String> getMemoryGraphiteExpr() {
    return Optional.ofNullable(memoryGraphiteExpr);
}

From source file:fi.helsinki.opintoni.integration.feed.FeedMockClient.java

@Override
public Optional<SyndFeed> getFeed(String feedUrl) {
    Optional<SyndFeed> feed = Optional.empty();
    try {//from w  ww  . j a  va 2  s  .co  m
        SyndFeedInput input = new SyndFeedInput();
        feed = Optional.ofNullable(input.build(new XmlReader(mockFeed.getInputStream())));
    } catch (Exception e) {
    }
    return feed;
}

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

@Transactional
public void updateAccount(Account account, String newPassword) {
    accountMapper.updateAccount(account);
    accountMapper.updateProfile(account);

    Optional.ofNullable(newPassword).ifPresent(x -> {
        account.setPassword(passwordEncoder.encode(x));
        accountMapper.updateSignon(account);
    });// w  w w .  ja  v a2  s  .  com
}

From source file:cn.edu.zjnu.acm.judge.service.LanguageService.java

public Language getAvailableLanguage(int languageId) {
    return Optional.ofNullable(languageMapper.findOne(languageId))
            .orElseThrow(() -> new NoSuchLanguageException("no such language " + languageId));
}

From source file:com.adobe.acs.commons.models.injectors.annotation.impl.JsonValueMapValueAnnotationProcessorFactory.java

@Override
public InjectAnnotationProcessor2 createAnnotationProcessor(AnnotatedElement element) {
    return Optional.ofNullable(element.getAnnotation(JsonValueMapValue.class))
            .map(JsonValueMapValueAnnotationProcessorFactory.InjectAnnotationProcessor2::new).orElse(null);
}

From source file:io.gravitee.repository.jdbc.JdbcPageRepository.java

public Optional<Page> findByName(String name) throws TechnicalException {
    return Optional.ofNullable(pageJpaConverter.convertTo(internalJpaPageRepository.findOne(name)));
}