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:io.kamax.mxisd.lookup.provider.BridgeFetcher.java

@Override
public Optional<SingleLookupReply> find(SingleLookupRequest request) {
    Optional<String> mediumUrl = Optional.ofNullable(cfg.getMappings().get(request.getType()));
    if (mediumUrl.isPresent() && !StringUtils.isBlank(mediumUrl.get())) {
        log.info("Using specific medium bridge lookup URL {}", mediumUrl.get());

        return fetcher.find(mediumUrl.get(), request);
    } else if (!StringUtils.isBlank(cfg.getServer())) {
        log.info("Using generic bridge lookup URL {}", cfg.getServer());

        return fetcher.find(cfg.getServer(), request);
    } else {/*from w  w  w  . j  ava  2 s .  c  om*/
        log.info("No bridge lookup URL found/configured, skipping");

        return Optional.empty();
    }
}

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

@GET
@Path("/pdf")
public FileResource getDataAccessPdf(@QueryParam("lang") String lang) {
    Optional<DataAccessForm> d = dataAccessFormService.find();

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

    DataAccessForm dataAccessForm = d.get();
    Locale locale = Locale
            .forLanguageTag(!Strings.isNullOrEmpty(lang) ? Locale.forLanguageTag(lang).toLanguageTag()
                    : LanguageTag.UNDETERMINED);

    if (!dataAccessForm.getPdfTemplates().containsKey(locale))
        throw NoSuchDataAccessFormException.withDefaultMessage();

    fileResource.setAttachment(dataAccessForm.getPdfTemplates().get(locale));

    return fileResource;
}

From source file:org.onebusaway.alexa.MainSpeechlet.java

public SpeechletResponse onIntent(final IntentRequest request, final Session session)
        throws SpeechletException {
    try {/*from www  .  j  a va  2  s .c o m*/
        Optional<ObaUserDataItem> optUserData = obaDao.getUserData(session);
        if (optUserData.isPresent()) {
            return getAuthedSpeechlet(optUserData.get()).onIntent(request, session);
        } else {
            return anonSpeechlet.onIntent(request, session);
        }
    } catch (URISyntaxException e) {
        log.error("Intent exception: " + e.getMessage());
        log.error("Backtrace:\n" + e.getStackTrace());
        throw new SpeechletException("Error creating user data on Intent using ObaBaseUrl: " + e);
    } catch (Exception e) {
        log.error("Intent exception: " + e.getMessage());
        log.error("Backtrace:\n" + e.getStackTrace());
        throw e;
    }
}

From source file:net.sf.jabref.logic.fulltext.SpringerLink.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 w  w . j a v  a2  s .c o  m
            HttpResponse<JsonNode> jsonResponse = Unirest.get(API_URL).queryString("api_key", API_KEY)
                    .queryString("q", String.format("doi:%s", doi.get().getDOI())).asJson();

            JSONObject json = jsonResponse.getBody().getObject();
            int results = json.getJSONArray("result").getJSONObject(0).getInt("total");

            if (results > 0) {
                LOGGER.info("Fulltext PDF found @ Springer.");
                pdfLink = Optional.of(new URL("http", CONTENT_HOST,
                        String.format("/content/pdf/%s.pdf", doi.get().getDOI())));
            }
        } catch (UnirestException e) {
            LOGGER.warn("SpringerLink API request failed", e);
        }
    }
    return pdfLink;
}

From source file:org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory.java

@Override
public SolrHttpClientBuilder getHttpClientBuilder(Optional<SolrHttpClientBuilder> builder) {
    return builder.isPresent() ? initHttpClientBuilder(builder.get())
            : initHttpClientBuilder(SolrHttpClientBuilder.create());
}

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

public void run(@Nonnull String... args) throws Exception {
    m_helper.addOptions(new Option("i", "input", true, "The input file"),
            new Option("o", "output", true, "The output file"));

    Optional<ExtendedCommandLine> response = m_helper.parse(args);
    if (response.isPresent()) {

        ExtendedCommandLine cli = response.get();

        Optional<File> input = cli.getFile("i");
        Optional<File> output = cli.getFile("o");

        if (input.isPresent() ^ output.isPresent()) {
            m_helper.printHelp();//w w w.ja v  a2  s.c o  m
        } else if (!input.isPresent()) {
            m_constructor.construct(cli).pipe();
        } else {
            m_constructor.construct(cli).apply(input.get(), output.get());
        }
    }

}

From source file:it.polimi.diceH2020.launcher.service.Validator.java

public boolean validatePublicCloudParameters(Path pathToFile) {
    Optional<PublicCloudParametersMap> sol = objectFromPath(pathToFile, PublicCloudParametersMap.class);
    return (sol.isPresent() && sol.get().validate());
}

From source file:net.sf.jabref.logic.fetcher.DoiResolution.java

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

    Optional<DOI> doi = DOI.build(entry.getField("doi"));

    if (doi.isPresent()) {
        String sciLink = doi.get().getURLAsASCIIString();

        // follow all redirects and scan for a single pdf link
        if (!sciLink.isEmpty()) {
            try {
                Connection connection = Jsoup.connect(sciLink);
                connection.followRedirects(true);
                connection.ignoreHttpErrors(true);
                // some publishers are quite slow (default is 3s)
                connection.timeout(5000);

                Document html = connection.get();
                // scan for PDF
                Elements elements = html.body().select("[href]");
                List<Optional<URL>> links = new ArrayList<>();

                for (Element element : elements) {
                    String href = element.attr("abs:href");
                    // Only check if pdf is included in the link
                    // See https://github.com/lehner/LocalCopy for scrape ideas
                    if (href.contains("pdf") && MimeTypeDetector.isPdfContentType(href)) {
                        links.add(Optional.of(new URL(href)));
                    }//from  w ww. j  a va2 s .  co m
                }
                // return if only one link was found (high accuracy)
                if (links.size() == 1) {
                    LOGGER.info("Fulltext PDF found @ " + sciLink);
                    pdfLink = links.get(0);
                }
            } catch (IOException e) {
                LOGGER.warn("DoiResolution fetcher failed: ", e);
            }
        }
    }
    return pdfLink;
}

From source file:com.gtp.tradeapp.rest.UserController.java

@RequestMapping(value = "/password/reset", method = RequestMethod.POST)
public Status resetPassword(@RequestParam("email") String email) {
    LOGGER.debug("Resetting password for username={}" + email);
    Optional<User> user = userService.getUserByEmail(email);
    if (user.isPresent()) {
        return updatePasswordAndSendTo(user.get());
    }//from   w  w  w.ja v  a2  s .c  om
    return new Status(0, "Unable to reset password for " + email);
}

From source file:com.linksinnovation.elearning.controller.api.ViewerController.java

@RequestMapping(value = "/{id}", method = RequestMethod.GET)
public void get(@PathVariable("id") Long id, @AuthenticationPrincipal String username) {
    Lecture lecture = lectureRepository.findOne(id);
    UserDetails userDetails = userDetailsRepository.findOne(username);
    Optional<Viewer> viOptional = viewerRepository.findByLectureAndUser(lecture, userDetails);
    Viewer viewer;/*from   w  ww  .  jav a  2  s.c  o m*/
    if (viOptional.isPresent()) {
        viewer = viOptional.get();
        viewer.setUpdateDate(new Date());
    } else {
        viewer = new Viewer();
        viewer.setLecture(lecture);
        viewer.setUser(userDetails);
        viewer.setUpdateDate(new Date());
    }
    viewerRepository.save(viewer);
}