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:me.adaptive.core.data.api.UserEntityService.java

public UserEntity toUserEntity(User user, Optional<UserEntity> userEntity) {
    UserEntity entity = userEntity.isPresent() ? userEntity.get() : new UserEntity();
    entity.getAliases().add(user.getEmail());
    entity.setUserId(user.getId());/* ww w  .j  a va  2  s  .c  om*/
    CollectionUtils.addAll(entity.getAliases(), user.getAliases().iterator());
    return entity;
}

From source file:org.openmhealth.dsu.service.EndUserUserDetailsServiceImpl.java

@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

    Optional<EndUser> user = endUserService.findUser(username);

    if (!user.isPresent()) {
        throw new UsernameNotFoundException("A user with username '" + username + "' doesn't exist.");
    }/*from  ww  w  .  j  a v  a 2s .c om*/

    return new EndUserUserDetails(user.get().getUsername(), user.get().getPasswordHash());
}

From source file:cz.muni.fi.editor.database.dao.CmisObjectDAOImpl.java

@Override
public void deleteByCmisID(String objectID) {
    Optional<CmisObjectDB> result = getByCmisID(objectID);
    if (result.isPresent()) {
        getEntityManager().remove(result.get());
    }//from w w  w.j a va2 s .  c  o  m
}

From source file:com.ikanow.aleph2.data_model.utils.ProcessUtils.java

private static boolean killProcess(final String pid, final Optional<Integer> kill_signal) throws IOException {
    //      kill -15 the process, wait a few cycles to let it die            
    final ProcessBuilder pb = new ProcessBuilder(Arrays.asList("kill", "-" + kill_signal.orElse(15), pid));
    logger.debug("trying to kill -" + kill_signal.orElse(15) + " pid: " + pid);
    final Process px = pb.start();
    for (int i = 0; i < 5; ++i) {
        try {/*from  w ww  .  java2 s.co m*/
            Thread.sleep(1000L);
        } catch (Exception e) {
        }
        if (!isProcessRunning(pid)) {
            break;
        }
    }
    if (!isProcessRunning(pid)) {
        return 0 == px.exitValue();
    } else {
        //we are still alive, so send a harder kill signal if we haven't already sent a 9
        if (kill_signal.isPresent() && kill_signal.get() == 9) {
            return false;
        } else {
            logger.debug("Timed out trying to kill: " + pid + " sending kill -9 to force kill");
            return killProcess(pid, Optional.of(9));
        }

    }
}

From source file:com.antonjohansson.managementcenter.core.web.VaadinResourcesServlet.java

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String name = getRequestURI(request);
    Optional<URL> resource = getResource(name);

    if (!resource.isPresent()) {
        response.sendError(SC_NOT_FOUND);
        return;//w  ww .ja v a  2  s  .c  o m
    }

    try (InputStream input = resource.get().openStream(); OutputStream output = response.getOutputStream()) {
        copy(input, output);
    }
}

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

@Override
public void populate(final FhSearchResponse source, final ProductSearchPageData<FhSearchQueryData, I> target) {
    final Optional<Universe> universe = getUniverse(source);
    if (universe.isPresent()) {
        final QueryAlternatives alternatives = universe.get().getQueryAlternatives();
        if (alternatives != null && alternatives.isWasExecuted()
                && CollectionUtils.isNotEmpty(alternatives.getQuerySuggestion())) {
            final QuerySuggestion querySuggestion = alternatives.getQuerySuggestion().get(0);
            final SpellingSuggestionData<FhSearchQueryData> spellingSuggestionData = new SpellingSuggestionData<>();
            spellingSuggestionData.setSuggestion(querySuggestion.getValue().getValue());

            final FhSearchQueryData correctedQuery = cloneSearchQueryData(target.getCurrentQuery());
            correctedQuery.setFreeTextSearch(querySuggestion.getValue().getValue());
            correctedQuery.setLocation(querySuggestion.getUrlParams());
            spellingSuggestionData.setQuery(correctedQuery);
            target.setSpellingSuggestion(spellingSuggestionData);
        }/*from www  .  j a  v  a2 s .  c  om*/
    }
}

From source file:org.trustedanalytics.servicebroker.hdfs.plans.HdfsPlanGetUserDirectory.java

private boolean isMapNotNullAndNotEmpty(Optional<Map<String, Object>> map) {
    return map.isPresent() && !map.get().isEmpty();
}

From source file:com.pablinchapin.anacleto.mongodb.service.UserServiceBean.java

@Override
public User findByUserId(String userId) {
    Optional<User> user = userRepository.findOne(userId);

    if (user.isPresent()) {
        log.debug(String.format("Read userId '{}'", userId));
        return user.get();
    } else {/*from w  ww .  ja  va2 s  . co m*/
        throw new UserNotFoundException(userId);
    }
}

From source file:se.omegapoint.facepalm.application.UserService.java

public Result<User, UserFailure> getUserWith(final String username) {
    notBlank(username);//from   ww  w . j  ava2 s .  c  o m

    final Optional<User> user = getUser(username);
    return user.isPresent() ? Result.success(user.get()) : Result.failure(USER_DOES_NOT_EXIST);
}

From source file:org.openmhealth.shim.withings.mapper.WithingsHeartRateDataPointMapper.java

@Override
public Optional<Measure.Builder<HeartRate, ?>> newMeasureBuilder(JsonNode measuresNode) {

    Optional<BigDecimal> value = getValueForMeasureType(measuresNode, HEART_RATE);

    if (!value.isPresent()) {
        return empty();
    }/*from w  w  w . j a  va 2 s  . c  o  m*/

    return Optional.of(new HeartRate.Builder(value.get()));
}