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.obiba.mica.micaConfig.service.DataAccessFormService.java

public Optional<DataAccessForm> find() {
    DataAccessForm form = dataAccessFormRepository.findOne(DataAccessForm.DEFAULT_ID);
    if (form == null) {
        createOrUpdate(createDefaultDataAccessForm());
        form = dataAccessFormRepository.findOne(DataAccessForm.DEFAULT_ID);
    }/* w w w  .j av a 2s  .c  om*/
    if (StringUtils.isEmpty(form.getCsvExportFormat())) {
        form.setCsvExportFormat(getDefaultDataAccessFormResourceAsString("export-csv-schema.json"));
        form = createOrUpdate(form);
    }

    return Optional.ofNullable(form);
}

From source file:controllers.DiscourseAuth.java

/** Appends the user's info to the Nonce, fields from. */
protected String appendUserInfoToNonce(Request req, String nonce) throws UnsupportedEncodingException {
    // find logged-in user
    AuthUser auth = AuthUser.auth(req);/*from  w  w w. j av  a  2s  .  com*/
    AccountRecord account;
    try (DSLContext dsl = req.require(DSLContext.class)) {
        account = dsl.selectFrom(ACCOUNT).where(ACCOUNT.ID.eq(auth.id())).fetchOne();
    }
    // return the logged-in user
    String name = Optional.ofNullable(account.getName()).orElse(account.getUsername());
    return nonce + "&name=" + urlEncode(name) + "&username=" + urlEncode(account.getUsername()) + "&email="
            + urlEncode(account.getEmail()) + "&external_id=" + urlEncode(account.getId().toString());
}

From source file:com.todo.backend.web.rest.TodoApi.java

@RequestMapping(value = "/todo/{id}", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
@Timed/*w  w w  .ja va 2  s .  co m*/
@Transactional(readOnly = true)
public ResponseEntity<ReadTodoResponse> readTodo(@PathVariable Long id) {
    log.debug("GET /todo/{}", id);
    final Optional<Todo> result = Optional.ofNullable(todoRepository.findOne(id));
    if (result.isPresent()) {
        return ResponseEntity.ok().body(convertToReadTodoResponse(result.get()));
    }
    return new ResponseEntity<>(HttpStatus.NOT_FOUND);
}

From source file:org.openmhealth.shimmer.common.configuration.DefaultEndpointSettings.java

@Override
public Optional<DateTimeQuerySettings> getModificationDateTimeQuerySettings() {
    return Optional.ofNullable(modificationDateTimeQuerySettings);
}

From source file:com.lithium.flow.filer.Record.java

@Nonnull
public Optional<String> getParent() {
    return Optional.ofNullable(parent);
}

From source file:org.obiba.mica.micaConfig.service.OpalCredentialService.java

public Optional<OpalCredential> findOpalCredentialById(String id) {
    OpalCredential opalCredential = repository.findOne(id);

    if (opalCredential != null && opalCredential.getAuthType() == AuthType.USERNAME)
        opalCredential.setPassword(micaConfigService.decrypt(opalCredential.getPassword()));

    return Optional.ofNullable(opalCredential);
}

From source file:com.netflix.genie.common.internal.dto.v4.ApplicationMetadata.java

/**
 * Get the type of this application./*from   ww w. j  av a  2 s .co  m*/
 *
 * @return The type wrapped in an {@link Optional}
 */
public Optional<String> getType() {
    return Optional.ofNullable(this.type);
}

From source file:com.github.dmyersturnbull.transformations.CommandLineHelper.java

@Nonnull
public CommandLineHelper setClass(@Nullable Class<?> aClass) {
    m_class = Optional.ofNullable(aClass);
    return this;
}

From source file:io.syndesis.rest.v1.handler.user.UserHandler.java

@Path("~")
@GET/*from  w w  w .ja  va 2s. com*/
@Produces(MediaType.APPLICATION_JSON)
public User whoAmI() {
    String token = String.valueOf(SecurityContextHolder.getContext().getAuthentication().getCredentials());
    io.fabric8.openshift.api.model.User openShiftUser = this.openShiftService.whoAmI(token);
    Assert.notNull(openShiftUser, "A valid user is required");
    return new User.Builder().username(openShiftUser.getMetadata().getName())
            .fullName(Optional.ofNullable(openShiftUser.getFullName()))
            .name(Optional.ofNullable(openShiftUser.getFullName())).build();
}

From source file:com.devicehive.dao.riak.ConfigurationDaoRiakImpl.java

@Override
public Optional<ConfigurationVO> getByName(String id) {
    //TODO configurable quorum?
    try {/* w  ww.  j  ava2  s. c  o m*/
        Location objectKey = new Location(CONFIG_NS, id);
        FetchValue fetch = new FetchValue.Builder(objectKey)
                .withOption(quorum.getReadQuorumOption(), quorum.getReadQuorum()).build();
        FetchValue.Response response = client.execute(fetch);
        RiakConfiguration configuration = getOrNull(response, RiakConfiguration.class);
        return Optional.ofNullable(RiakConfiguration.convert(configuration));
    } catch (ExecutionException | InterruptedException e) {
        LOGGER.error("Exception accessing Riak Storage.", e);
        throw new HivePersistenceLayerException("Cannot fetch configuration by name.", e);
    }
}