Example usage for java.util Optional of

Introduction

In this page you can find the example usage for java.util Optional of.

Prototype

public static <T> Optional<T> of(T value)

Source Link

Document

Returns an Optional describing the given non- null value.

Usage

From source file:password.pwm.http.servlet.oauth.OAuthMachine.java

public static Optional<OAuthRequestState> readOAuthRequestState(final PwmRequest pwmRequest)
        throws PwmUnrecoverableException {
    final String requestStateStr = pwmRequest
            .readParameterAsString(pwmRequest.getConfig().readAppProperty(AppProperty.HTTP_PARAM_OAUTH_STATE));
    if (requestStateStr != null) {
        final String stateJson = pwmRequest.getPwmApplication().getSecureService()
                .decryptStringValue(requestStateStr);
        final OAuthState oAuthState = JsonUtil.deserialize(stateJson, OAuthState.class);
        if (oAuthState != null) {
            final boolean sessionMatch = oAuthState.getSessionID()
                    .equals(pwmRequest.getPwmSession().getSessionStateBean().getSessionVerificationKey());
            LOGGER.trace(pwmRequest, "read state while parsing oauth consumer request with match="
                    + sessionMatch + ", " + JsonUtil.serialize(oAuthState));
            return Optional.of(new OAuthRequestState(oAuthState, sessionMatch));
        }//from  w  ww  .  ja va2s  .  c  o m
    }

    return Optional.empty();
}

From source file:com.nike.cerberus.security.CmsRequestSecurityValidator.java

public static Optional<SecurityContext> getSecurityContextForRequest(RequestInfo<?> requestInfo) {
    final Object securityContext = requestInfo.getRequestAttributes().get(SECURITY_CONTEXT_ATTR_KEY);

    if (securityContext == null) {
        return Optional.empty();
    } else {//from   w  w w . j a va  2s  . c  o  m
        return Optional.of((SecurityContext) securityContext);
    }
}

From source file:com.teradata.tempto.fulfillment.hive.HiveTableDefinition.java

public static HiveTableDefinition hiveTableDefinition(String name, String createTableDDLTemplate,
        DataSource dataSource) {//from  w ww  .jav  a  2s.c  om
    return new HiveTableDefinition(name, createTableDDLTemplate, Optional.of(dataSource), Optional.empty());
}

From source file:com.epam.ta.reportportal.core.externalsystem.ExternalSystemEurekaDelegate.java

@Override
public Optional<Ticket> getTicket(String id, ExternalSystem system) {
    return Optional.of(eurekaTemplate.getForObject(
            getServiceInstance(system.getExternalSystemType()).getUri().toString() + "/{systemId}/ticket/{id}",
            Ticket.class, system.getId(), id));
}

From source file:org.openmhealth.shim.misfit.mapper.MisfitStepCountDataPointMapper.java

@Override
public Optional<DataPoint<StepCount>> asDataPoint(JsonNode summaryNode) {

    checkNotNull(summaryNode);/*w ww.ja  v a  2 s . c  o  m*/

    Long stepCount = asRequiredLong(summaryNode, "steps");

    if (stepCount == 0) {
        return Optional.empty();
    }

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

    // this property isn't listed in the table, but does appear in the second Example section where detail is true
    LocalDate localDate = asRequiredLocalDate(summaryNode, "date");

    // FIXME fix the time zone offset once Misfit add it to the API
    OffsetDateTime startDateTime = localDate.atStartOfDay().atOffset(UTC);

    DurationUnitValue durationUnitValue = new DurationUnitValue(DAY, 1);
    builder.setEffectiveTimeFrame(ofStartDateTimeAndDuration(startDateTime, durationUnitValue));

    StepCount measure = builder.build();

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

From source file:net.sf.jabref.logic.fulltext.ScienceDirect.java

@Override
public Optional<URL> findFullText(BibEntry entry) throws IOException {
    Objects.requireNonNull(entry);
    Optional<URL> pdfLink = Optional.empty();

    // Try unique DOI first
    Optional<DOI> doi = entry.getFieldOptional(FieldName.DOI).flatMap(DOI::build);

    if (doi.isPresent()) {
        // Available in catalog?
        try {//from w  ww.  j av  a  2  s  . c o m
            String sciLink = getUrlByDoi(doi.get().getDOI());

            if (!sciLink.isEmpty()) {
                // Retrieve PDF link
                Document html = Jsoup.connect(sciLink).ignoreHttpErrors(true).get();
                Element link = html.getElementById("pdfLink");

                if (link != null) {
                    LOGGER.info("Fulltext PDF found @ ScienceDirect.");
                    pdfLink = Optional.of(new URL(link.attr("pdfurl")));
                }
            }
        } catch (UnirestException e) {
            LOGGER.warn("ScienceDirect API request failed", e);
        }
    }
    return pdfLink;
}

From source file:com.massabot.codesender.utils.FirmwareUtils.java

/**
 * Gets a list of command processors initialized with user settings.
 *///from w w w . j  a  v  a 2 s  .c o m
public static Optional<List<ICommandProcessor>> getParserFor(String firmware, Settings settings) {
    if (!configFiles.containsKey(firmware)) {
        return Optional.empty();
    }
    try {
        return Optional.of(configFiles.get(firmware).loader.getProcessors());
    } catch (Exception e) {
        return Optional.empty();
    }
}

From source file:org.trustedanalytics.metricsprovider.cloudadapter.api.CfServiceInstance.java

@JsonIgnore
public String getServicePlanName() {
    Optional<CfServiceInstance> serviceInstance = Optional.of(this);
    return serviceInstance.map(CfServiceInstance::getServicePlan).map(CfServicePlan::getName).orElse(null);
}

From source file:com.spotify.styx.model.deprecated.WorkflowConfiguration.java

public static WorkflowConfiguration create(com.spotify.styx.model.WorkflowConfiguration workflowConfiguration) {
    return WorkflowConfiguration.create(workflowConfiguration.id(), workflowConfiguration.schedule(),
            workflowConfiguration.dockerImage(), workflowConfiguration.dockerArgs(),
            Optional.of(workflowConfiguration.dockerTerminationLogging()),
            workflowConfiguration.secret().map(s -> Secret.create(s.name(), s.mountPath())),
            workflowConfiguration.resources());
}

From source file:org.lendingclub.mercator.aws.EC2InstanceScanner.java

@Override
public Optional<String> computeArn(JsonNode n) {

    String region = n.path(AWSScanner.AWS_REGION_ATTRIBUTE).asText(null);
    String account = n.path(AccountScanner.ACCOUNT_ATTRIBUTE).asText(null);
    String instanceId = n.path("aws_instanceId").asText(null);

    Preconditions.checkState(!Strings.isNullOrEmpty(region), "aws_region not set");
    Preconditions.checkState(!Strings.isNullOrEmpty(account), "aws_account not set");
    Preconditions.checkState(!Strings.isNullOrEmpty(instanceId), "aws_instanceId not set");

    return Optional.of(ArnGenerator.newInstance(account, region).createEc2InstanceArn(instanceId));

}