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:com.amazonaws.serverless.sample.spring.PetsController.java

@RequestMapping(path = "/pets", method = RequestMethod.GET)
public Pet[] listPets(@RequestParam("limit") Optional<Integer> limit) {
    int queryLimit = 10;
    if (limit.isPresent()) {
        queryLimit = limit.get();/*www  .  jav a2 s .c om*/
    }

    Pet[] outputPets = new Pet[queryLimit];

    for (int i = 0; i < queryLimit; i++) {
        Pet newPet = new Pet();
        newPet.setId(UUID.randomUUID().toString());
        newPet.setName(PetData.getRandomName());
        newPet.setBreed(PetData.getRandomBreed());
        newPet.setDateOfBirth(PetData.getRandomDoB());
        outputPets[i] = newPet;
    }

    return outputPets;
}

From source file:com.devicehive.service.configuration.ConfigurationService.java

@Transactional
public <T> void save(@NotNull String name, T value) {
    //TODO check keys are same
    String str = value != null ? value.toString() : null;
    Optional<ConfigurationVO> existingOpt = findByName(name);
    if (existingOpt.isPresent()) {
        ConfigurationVO existing = existingOpt.get();
        existing.setValue(str);//from   w w w .  j  a  v a 2s.  c  om
        configurationDao.merge(existing);
    } else {
        ConfigurationVO configuration = new ConfigurationVO();
        configuration.setName(name);
        configuration.setValue(str);
        configurationDao.persist(configuration);
    }
}

From source file:se.omegapoint.facepalm.client.controllers.ImageController.java

@RequestMapping("/image")
public String image(final @RequestParam String id, final Model model) {
    final Optional<ImagePost> image = imageAdapter.getImage(id);
    if (!image.isPresent()) {
        return "redirect:/404";
    }//w  w w.  ja  v a 2 s .  c o  m

    final List<ImageComment> comments = imageAdapter.getCommentsForImage(image.get().id);
    model.addAttribute("image", image.get());
    model.addAttribute("comments", comments);
    return "image";
}

From source file:things.view.rest.ThingRestController.java

@Transactional(readOnly = true)
@RequestMapping(value = "/{type}/{key}")
@Timed/*from w w w . jav a 2  s .  c o m*/
public Thing getUniqueThingForTypeAndKey(@PathVariable("type") String type, @PathVariable("key") String key)
        throws ThingException, NoSuchThingException {
    Optional<Thing> thing = thingControl.findUniqueThingMatchingTypeAndKey(type, key, true);

    if (!thing.isPresent()) {
        throw new NoSuchThingException(type, key);
    }

    return thing.get();
}

From source file:org.obiba.mica.micaConfig.rest.EntityConfigResource.java

@GET
@Path("/form")
public U get(@Context UriInfo uriInfo, @QueryParam("locale") String locale) {

    Optional<T> optionalConfig = getConfigService().findComplete();

    if (!optionalConfig.isPresent())
        throw NoSuchEntityException.withPath(EntityConfig.class, uriInfo.getPath());

    T config = optionalConfig.get();/* w ww  .  j av a2s  .  c  o  m*/
    entityConfigTranslator.translateSchemaForm(locale, config);

    return asDto(config);
}

From source file:org.openmhealth.shim.fitbit.mapper.FitbitStepCountDataPointMapper.java

@Override
protected Optional<DataPoint<StepCount>> asDataPoint(JsonNode node) {

    int stepCountValue = Integer.parseInt(asRequiredString(node, "value"));

    if (stepCountValue == 0) {
        return Optional.empty();
    }/*from w w w . j  a v  a2 s . c  om*/

    StepCount.Builder builder = new StepCount.Builder(stepCountValue);

    Optional<LocalDate> stepDate = asOptionalLocalDate(node, "dateTime");

    if (stepDate.isPresent()) {
        LocalDateTime startDateTime = stepDate.get().atTime(0, 0, 0, 0);

        builder.setEffectiveTimeFrame(TimeInterval.ofStartDateTimeAndDuration(
                combineDateTimeAndTimezone(startDateTime), new DurationUnitValue(DAY, 1)));
    }

    StepCount measure = builder.build();
    Optional<Long> externalId = asOptionalLong(node, "logId");

    return Optional.of(newDataPoint(measure, externalId.orElse(null)));
}

From source file:bg.vitkinov.edu.services.JokeCategoryService.java

private List<KeyWord> getKewWors(String keywords) {
    String[] words = keywords.split(",");
    List<KeyWord> result = new ArrayList<>(words.length);
    for (String word : words) {
        Optional<KeyWord> keyword = keyWordRepository.findByName(word);
        if (keyword.isPresent()) {
            result.add(keyword.get());/*from www.  ja  v a 2 s  . c  o m*/
        } else {
            result.add(keyWordRepository.save(new KeyWord(word)));
        }
    }
    return result;
}

From source file:pitayaa.nail.msg.core.account.controller.AccountLicenseController.java

@RequestMapping(value = "/accountsLicense/{ID}", method = RequestMethod.POST)
public @ResponseBody ResponseEntity<?> saveAccountLicenseModel(@RequestBody AccountLicense accLicenseBody,
        @PathVariable("ID") UUID uid) throws Exception {

    Optional<AccountLicense> accountLicense = accLicenseService.findOne(uid);

    if (!accountLicense.isPresent()) {
        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
    }//from   ww  w  .j a  va2s . c  o  m

    accLicenseBody = accLicenseService.save(accLicenseBody);

    return ResponseEntity.ok(accLicenseBody);
}

From source file:pitayaa.nail.msg.core.account.controller.AccountLicenseController.java

@RequestMapping(value = "/accountsLicense/{ID}", method = RequestMethod.PUT)
public @ResponseBody ResponseEntity<?> updateAccountLicenseModel(@RequestBody AccountLicense accLicenseBody,
        @PathVariable("ID") UUID uid) throws Exception {

    Optional<AccountLicense> accountLicense = accLicenseService.findOne(uid);

    if (!accountLicense.isPresent()) {
        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
    }//w  ww.  j  a va 2 s. com

    accLicenseBody = accLicenseService.update(accLicenseBody);

    return ResponseEntity.ok(accLicenseBody);
}

From source file:controller.LeerlingController.java

@RequestMapping(method = RequestMethod.GET)
public String doGet(@RequestParam("klasNaam") String klasNaam, Model model) {
    final String klNaam = klasNaam;
    Optional<Klas> klas = klasManager.getItems().stream().filter(k -> k.getNaam().equals(klNaam)).findFirst();
    if (klas.isPresent()) {
        Klas k = klas.get();/*from  w ww . jav a  2  s.  c o  m*/
        List<Leerling> leerlingen = k.getLeerlingen();
        model.addAttribute("klasNaam", k.getNaam());
        model.addAttribute("leerlingen", leerlingen);
        return "leerlingOverview";
    } else {
        return "redirect:/klas";
    }

}