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:org.openmhealth.shim.jawbone.mapper.JawboneDataPointMapper.java

/**
 * @param listEntryNode an individual entry node from the "items" array of a Jawbone endpoint response
 * @param unixEpochTimestamp unix epoch seconds timestamp from a time property in the list entry node
 * @return the appropriate {@link ZoneId} for the timestamp parameter based on the timezones contained within the
 * list entry node/*  www.j av  a2 s  . c o  m*/
 */
static ZoneId getTimeZoneForTimestamp(JsonNode listEntryNode, Long unixEpochTimestamp) {

    Optional<JsonNode> optionalTimeZonesNode = asOptionalNode(listEntryNode, "details.tzs");
    Optional<JsonNode> optionalTimeZoneNode = asOptionalNode(listEntryNode, "details.tz");

    ZoneId zoneIdForTimestamp = ZoneOffset.UTC; // set default to Z in case problems with getting timezone

    if (optionalTimeZonesNode.isPresent() && optionalTimeZonesNode.get().size() > 0) {

        JsonNode timeZonesNode = optionalTimeZonesNode.get();

        if (timeZonesNode.size() == 1) {
            zoneIdForTimestamp = parseZone(timeZonesNode.get(0).get(TIMEZONE_ENUM_INDEX_TZ));
        } else {

            long currentLatestTimeZoneStart = 0;
            for (JsonNode timeZoneNodesEntry : timeZonesNode) {

                long timeZoneStartTime = timeZoneNodesEntry.get(TIMEZONE_ENUM_INDEX_START).asLong();

                if (unixEpochTimestamp >= timeZoneStartTime) {

                    if (timeZoneStartTime > currentLatestTimeZoneStart) { // we cannot guarantee the order of the
                        // "tzs" array and we need to find the latest timezone that started before our time

                        zoneIdForTimestamp = parseZone(timeZoneNodesEntry.get(TIMEZONE_ENUM_INDEX_TZ));
                        currentLatestTimeZoneStart = timeZoneStartTime;
                    }
                }
            }
        }
    } else if (optionalTimeZoneNode.isPresent() && !optionalTimeZoneNode.get().isNull()) {

        zoneIdForTimestamp = parseZone(optionalTimeZoneNode.get());
    }

    return zoneIdForTimestamp;
}

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From source file:com.github.mavogel.ilias.utils.IOUtils.java

/**
 * Checks for valid characters in tokens.
 *
 * @param tokens the tokens @see {@link IOUtils#splitAndTrim(String)}
 * @throws IllegalArgumentException if there is an invalid token
 *///  w ww .  j  a va  2  s .  c  om
private static void checkForInvalidCharacters(final List<String> tokens) {
    Optional<String> invalidChoice = tokens.stream().filter(
            s -> !Defaults.DIGIT_PATTERN.matcher(s).matches() && !Defaults.RANGE_PATTERN.matcher(s).matches())
            .findAny();
    if (invalidChoice.isPresent())
        throw new IllegalArgumentException("Contains invalid indexes and/or ranges or an invalid wildcard!");
}

---

From source file:de.fosd.jdime.Main.java

/**
 * Parses the given <code>artifact</code> to an AST and attempts to find a node with the given <code>number</code>
 * in the tree. If found, the {@link DumpMode#PRETTY_PRINT_DUMP} will be used to dump the node to standard out.
 * If <code>scope</code> is not {@link KeyEnums.Type#NODE}, the method will walk up the tree to find a node that
 * fits the requested <code>scope</code> and dump it instead.
 *
 * @param artifact/*from ww w  .j  a v a  2 s. co m*/
 *         the <code>FileArtifact</code> to parse to an AST
 * @param number
 *         the number of the <code>artifact</code> in the AST to find
 * @param scope
 *         the scope to dump
 */
private static void inspectElement(FileArtifact artifact, int number, KeyEnums.Type scope) {
    ASTNodeArtifact astArtifact = new ASTNodeArtifact(artifact);
    Optional<Artifact<ASTNodeArtifact>> foundNode = astArtifact.find(number);

    if (foundNode.isPresent()) {
        Artifact<ASTNodeArtifact> element = foundNode.get();

        if (scope != KeyEnums.Type.NODE) {
            // walk tree upwards until scope fits
            while (scope != element.getType() && !element.isRoot()) {
                element = element.getParent();
            }
        }

        System.out.println(element.dump(DumpMode.PRETTY_PRINT_DUMP));
    } else {
        LOG.log(Level.WARNING, () -> "Could not find a node with number " + number + ".");
    }
}

---

From source file:de.fosd.jdime.Main.java

/**
 * Parses command line arguments and initializes program.
 *
 * @param context//ww w.j  a  va2s . c o  m
 *         merge context
 * @param args
 *         command line arguments
 * @return true if program should continue
 */
private static boolean parseCommandLineArgs(MergeContext context, String[] args) {
    JDimeConfig config;

    try {
        config = new JDimeConfig(args);
    } catch (ParseException e) {
        System.err.println("Failed to parse the command line arguments " + Arrays.toString(args));
        System.err.println(e.getMessage());
        System.exit(EXIT_FAILURE);
        return false;
    }

    Main.config = config;

    if (args.length == 0 || config.getBoolean(CLI_HELP).orElse(false)) {
        printCLIHelp();
        return false;
    }

    if (config.getBoolean(CLI_VERSION).orElse(false)) {
        Optional<String> commit = config.get(JDIME_COMMIT);

        if (commit.isPresent()) {
            System.out.printf("%s version %s commit %s%n", TOOLNAME, VERSION, commit.get());
        } else {
            System.out.printf("%s version %s%n", TOOLNAME, VERSION);
        }

        return false;
    }

    Optional<String> mode = config.get(CLI_MODE).map(String::toLowerCase);

    if (mode.isPresent() && MODE_LIST.equals(mode.get())) {
        printStrategies();
        return false;
    }

    context.configureFrom(config);
    return true;
}

---

From source file:de.hybris.platform.acceleratorstorefrontcommons.tags.Functions.java

public static boolean isQuoteUserSalesRep() {
    final UserModel userModel = getQuoteUserIdentificationStrategy(getCurrentRequest()).getCurrentQuoteUser();
    final Optional<QuoteUserType> quoteUserTypeOptional = getQuoteUserTypeIdentificationStrategy(
            getCurrentRequest()).getCurrentQuoteUserType(userModel);
    return quoteUserTypeOptional.isPresent() && QuoteUserType.SELLER.equals(quoteUserTypeOptional.get());
}

---

From source file:de.hybris.platform.acceleratorstorefrontcommons.tags.Functions.java

public static boolean isQuoteUserSellerApprover() {
    final UserModel userModel = getQuoteUserIdentificationStrategy(getCurrentRequest()).getCurrentQuoteUser();
    final Optional<QuoteUserType> quoteUserTypeOptional = getQuoteUserTypeIdentificationStrategy(
            getCurrentRequest()).getCurrentQuoteUserType(userModel);
    return quoteUserTypeOptional.isPresent()
            && QuoteUserType.SELLERAPPROVER.equals(quoteUserTypeOptional.get());
}

---

From source file:io.github.retz.web.JobRequestRouter.java

public static String getDir(spark.Request req, spark.Response res) throws IOException {
    int id = Integer.parseInt(req.params(":id"));

    String path = req.queryParams("path");
    Optional<Job> job = JobQueue.getJob(id);

    LOG.debug("get-path: id={}, path={}", id, path);
    res.type("application/json");

    // Translating default as SparkJava's router doesn't route '.' or empty string
    if (ListFilesRequest.DEFAULT_SANDBOX_PATH.equals(path)) {
        path = "";
    }//from  w w  w .  jav  a 2 s  .c  o m

    List ret;
    if (job.isPresent() && job.get().url() != null) {
        try {
            String json = fetchHTTPDir(job.get().url(), path);
            ret = MAPPER.readValue(json, new TypeReference<List<DirEntry>>() {
            });
        } catch (FileNotFoundException e) {
            res.status(404);
            LOG.warn("path {} not found", path);
            return MAPPER.writeValueAsString(new ErrorResponse(path + " not found"));
        }
    } else {
        ret = Arrays.asList();
    }

    ListFilesResponse listFilesResponse = new ListFilesResponse(job, ret);
    listFilesResponse.status("ok");
    return MAPPER.writeValueAsString(listFilesResponse);
}

---

From source file:io.github.retz.web.WebConsole.java

public static String schedule(Request req, Response res) throws IOException, InterruptedException {
    ScheduleRequest scheduleRequest = MAPPER.readValue(req.bodyAsBytes(), ScheduleRequest.class);
    res.type("application/json");
    Optional<Application> maybeApp = Applications.get(scheduleRequest.job().appid()); // TODO check owner right here
    if (!maybeApp.isPresent()) {
        // TODO: this warn log cannot be written in real stable release
        LOG.warn("No such application loaded: {}", scheduleRequest.job().appid());
        ErrorResponse response = new ErrorResponse("No such application: " + scheduleRequest.job().appid());
        res.status(404);//from   w  w  w .ja v  a 2s  .  c  o  m
        return MAPPER.writeValueAsString(response);

    } else if (maybeApp.get().enabled()) {

        validateOwner(req, maybeApp.get());

        Job job = scheduleRequest.job();
        if (scheduler.isPresent()) {
            if (!scheduler.get().validateJob(job)) {
                String msg = "Job " + job.toString() + " does not fit system limit "
                        + scheduler.get().maxJobSize();
                // TODO: this warn log cannot be written in real stable release
                LOG.warn(msg);
                halt(400, msg);
            }
        }

        job.schedule(JobQueue.issueJobId(), TimestampHelper.now());

        JobQueue.push(job);
        if (scheduler.isPresent() && driver.isPresent()) {
            LOG.info("Trying invocation from offer stock: {}", job);
            scheduler.get().maybeInvokeNow(driver.get(), job);

        }

        ScheduleResponse scheduleResponse = new ScheduleResponse(job);
        scheduleResponse.ok();
        LOG.info("Job '{}' at {} has been scheduled at {}.", job.cmd(), job.appid(), job.scheduled());

        res.status(201);
        return MAPPER.writeValueAsString(scheduleResponse);

    } else {
        // Application is currently disabled
        res.status(401);
        ErrorResponse response = new ErrorResponse("Application " + maybeApp.get().getAppid() + " is disabled");
        return MAPPER.writeValueAsString(response);
    }
}

---

From source file:io.github.retz.web.JobRequestHandler.java

static String kill(Request req, spark.Response res) throws JsonProcessingException {
    LOG.debug("kill", req.params(":id"));
    res.type("application/json");
    int id = Integer.parseInt(req.params(":id"));

    Optional<Job> maybeJob;
    try {//from www .  j ava2s .  c om
        maybeJob = getJobAndVerify(req);
    } catch (IOException e) {
        return MAPPER.writeValueAsString(new ErrorResponse(e.toString()));
    }

    if (!maybeJob.isPresent()) {
        res.status(404);
        Response response = new ErrorResponse("No such job: " + id);
        response.status("No such job: " + id);
        return MAPPER.writeValueAsString(response);
    }

    Optional<Boolean> result = Stanchion.call(() -> {
        Optional<Job> maybeJob2 = JobQueue.cancel(id, "Canceled by user");

        if (maybeJob2.isPresent()) {
            Job job = maybeJob2.get();
            // There's a slight pitfall between cancel above and kill below where
            // no kill may be sent, RetzScheduler is exactly in resourceOffers and being scheduled.
            // Then this protocol returns false for sure.
            if (job.taskId() != null && !job.taskId().isEmpty() && driver.isPresent()) {
                Protos.TaskID taskId = Protos.TaskID.newBuilder().setValue(job.taskId()).build();
                Protos.Status status = driver.get().killTask(taskId);
                LOG.info("Job id={} was running and killed. status={}, taskId={}", job.id(), status,
                        job.taskId());
            }
            return job.state() == Job.JobState.KILLED;
        }
        // Job is already finished or killed, no more running nor runnable, or something is wrong
        return false;
    });

    Response response;
    if (result.isPresent() && result.get()) {
        response = new KillResponse();
        res.status(200);
        response.ok();
    } else {
        res.status(500);
        response = new ErrorResponse();
        response.status("Can't kill job - due to unknown reason");
    }

    return MAPPER.writeValueAsString(response);
}

---

From source file:io.gravitee.management.service.impl.ApplicationServiceImpl.java

private static ApplicationEntity convert(Application application) {
    ApplicationEntity applicationEntity = new ApplicationEntity();

    applicationEntity.setId(application.getId());
    applicationEntity.setName(application.getName());
    applicationEntity.setDescription(application.getDescription());
    applicationEntity.setType(application.getType());

    applicationEntity.setCreatedAt(application.getCreatedAt());
    applicationEntity.setUpdatedAt(application.getUpdatedAt());

    if (application.getMembers() != null) {
        final Optional<Membership> member = application.getMembers().stream()
                .filter(membership -> MembershipType.PRIMARY_OWNER.equals(membership.getMembershipType()))
                .findFirst();//from w w w.j a v a  2s .  co m
        if (member.isPresent()) {
            final User user = member.get().getUser();
            final PrimaryOwnerEntity primaryOwnerEntity = new PrimaryOwnerEntity();
            primaryOwnerEntity.setUsername(user.getUsername());
            primaryOwnerEntity.setLastname(user.getLastname());
            primaryOwnerEntity.setFirstname(user.getFirstname());
            primaryOwnerEntity.setEmail(user.getEmail());
            applicationEntity.setPrimaryOwner(primaryOwnerEntity);
        }
    }

    return applicationEntity;
}

---

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