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.jeanchampemont.notedown.utils.UserLocaleResolver.java

@Override
public Locale resolveLocale(HttpServletRequest request) {
    if (SecurityContextHolder.getContext().getAuthentication() == null) {
        return acceptHeaderLocaleResolver.resolveLocale(request);
    }//  w w  w.  ja va2s .c o m
    String email = SecurityContextHolder.getContext().getAuthentication().getName();
    Optional<User> user = userService.getUserByEmail(email);
    if (!user.isPresent() || StringUtils.isEmpty(user.get().getLocale())) {
        return acceptHeaderLocaleResolver.resolveLocale(request);
    }
    return user.map(u -> Locale.forLanguageTag(u.getLocale())).get();
}

From source file:org.trustedanalytics.serviceinfo.MqttServiceInfoCreator.java

@Override
public boolean accept(Map<String, Object> serviceData) {
    Optional<String> label = Optional.ofNullable((String) serviceData.get("label"));
    if (label.isPresent()) {
        return label.get().equals(MQTT_ID);
    }/*  w w  w.  j  ava  2  s.  com*/
    return false;
}

From source file:com.devicehive.dao.rdbms.RdbmsGenericDao.java

public void cacheQuery(Query query, Optional<CacheConfig> cacheConfig) {
    if (cacheConfig.isPresent()) {
        query.setHint(CACHEABLE, true);/*  w w  w .j  a va 2 s. c om*/
        query.setHint(RETRIEVE_MODE, cacheConfig.get().getRetrieveMode());
        query.setHint(STORE_MODE, cacheConfig.get().getStoreMode());
    }
}

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

@GET
public Mica.DataAccessFormDto get() {
    Optional<DataAccessForm> d = dataAccessFormService.find();

    if (!d.isPresent())
        throw NoSuchDataAccessFormException.withDefaultMessage();

    return dtos.asDto(d.get());
}

From source file:org.openwms.tms.redirection.TargetRedirector.java

/**
 * The implementation has to vote for a certain vote on particular rules that are implemented by the voter.
 *
 * @param vote The vote to vote for/*ww w  . j av a 2s  .co  m*/
 * @throws DeniedException is thrown when the voter cannot vote for the action
 */
@Override
public void voteFor(RedirectVote vote) throws DeniedException {
    Optional<T> optionalTarget = resolveTarget(vote);
    if (optionalTarget.isPresent()) {
        if (isTargetAvailable(optionalTarget.get())) {
            assignTarget(vote);
            vote.complete();
        } else {
            String msg = translator.translate(TMSMessageCodes.TARGET_BLOCKED_MSG, vote.getTarget(),
                    vote.getTransportOrder().getPersistentKey());
            vote.addMessage(new Message.Builder().withMessage(msg)
                    .withMessageNo(TMSMessageCodes.TARGET_BLOCKED_MSG).build());
            LOGGER.debug(msg);
        }
    }
}

From source file:com.wms.multitenant.tenant.interceptor.TenantIdentifierInterceptorAdapter.java

@Override
public boolean preHandle(HttpServletRequest req, HttpServletResponse res, Object handler) throws Exception {

    Map<String, Object> pathVars = (Map<String, Object>) req
            .getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
    if (pathVars.containsKey("tenantId")) {
        String tenantId = pathVars.get("tenantId").toString();
        Optional<Tenant> thisTenant = tenantRepo.findByTenantKey(tenantId);
        if (thisTenant.isPresent()) {
            req.setAttribute("Current_Tenant", thisTenant.get().getTenantKey());
            return true;
        } else {/*  ww w . j av a  2 s  .com*/
            res.sendRedirect(req.getContextPath() + "/signUp");
            return false;
        }
    } else {
        return true;
    }

}

From source file:de.is24.aws.instancemetadataserver.RemoteHostRoleNameProducer.java

@Override
public Optional<String> getRoleName(HttpServletRequest request) {
    String hostName = request.getRemoteHost();
    Optional<String> roleName = toRoleName(hostName);
    if (!roleName.isPresent()) {
        LOG.info("Unable to generate a role name for host {}.", hostName);
    }//from   www  . j ava  2s.c o  m
    return roleName;
}

From source file:org.openmhealth.shim.jawbone.mapper.JawboneBodyWeightDataPointMapper.java

@Override
protected Optional<Measure.Builder<BodyWeight, ?>> newMeasureBuilder(JsonNode listEntryNode) {

    Optional<Double> optionalWeight = asOptionalDouble(listEntryNode, "weight");

    if (!optionalWeight.isPresent()) {
        return Optional.empty();
    }/*from   www .  j ava2 s  .c  om*/

    return Optional.of(new BodyWeight.Builder(new MassUnitValue(KILOGRAM, optionalWeight.get())));
}

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

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

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

    if (!value.isPresent()) {
        return empty();
    }/* w ww  . ja  v  a  2  s  .  c  om*/

    return Optional.of(new BodyHeight.Builder(new LengthUnitValue(METER, value.get())));
}

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

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

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

    if (!value.isPresent()) {
        return empty();
    }/*  ww w. ja  v  a 2s . c om*/

    return Optional.of(new BodyWeight.Builder(new MassUnitValue(KILOGRAM, value.get())));
}