Example usage for java.util Objects requireNonNull

Introduction

In this page you can find the example usage for java.util Objects requireNonNull.

Prototype

public static <T> T requireNonNull(T obj)

Source Link

Document

Checks that the specified object reference is not null .

Usage

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  a 2s  .  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:com.hurence.logisland.util.kura.Metrics.java

/**
 * Convert plain key value map into a Kura metric structure <br>
 * Only the supported Kura values types must be used (String, boolean, int,
 * long, float, double, byte[])//  w w w .  j a  v  a 2  s  . c om
 *
 * @param builder
 *            the builder to append the metrics to
 * @param metrics
 *            the metrics map
 * @throws IllegalArgumentException
 *             in case of an unsupported value type
 */
public static void buildMetrics(final KuraPayloadProto.KuraPayload.Builder builder,
        final Map<String, ?> metrics) {
    Objects.requireNonNull(metrics);

    for (final Map.Entry<String, ?> metric : metrics.entrySet()) {
        addMetric(builder, metric.getKey(), metric.getValue());
    }
}

From source file:net.sf.jabref.logic.fetcher.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 = DOI.build(entry.getField("doi"));

    if (doi.isPresent()) {
        // Available in catalog?
        try {/*from  w w  w  .j a  v a  2s.  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:org.eclipse.hono.service.tenant.TenantHttpEndpoint.java

/**
 * Creates an endpoint for a Vertx instance.
 *
 * @param vertx The Vertx instance to use.
 * @throws NullPointerException if vertx is {@code null};
 *//*from   ww w  .j  a  v a 2  s .c  o m*/
@Autowired
public TenantHttpEndpoint(final Vertx vertx) {
    super(Objects.requireNonNull(vertx));
}

From source file:org.eclipse.hono.messaging.SenderFactoryImpl.java

/**
 * {@inheritDoc}//from  w ww.  ja  v a 2  s . c  o m
 */
@Override
public Future<ProtonSender> createSender(final ProtonConnection connection, final ResourceIdentifier address,
        final ProtonQoS qos, final Handler<ProtonSender> sendQueueDrainHandler, final Handler<Void> closeHook) {

    Objects.requireNonNull(connection);
    Objects.requireNonNull(address);
    Objects.requireNonNull(qos);

    if (connection.isDisconnected()) {
        return Future.failedFuture("connection is disconnected");
    } else {
        return newSession(connection, address).compose(session -> {
            return newSender(connection, session, address, qos, sendQueueDrainHandler, hook -> {
                closeHook.handle(null);
            });
        });
    }
}

From source file:com.github.horrorho.inflatabledonkey.responsehandler.JsonResponseHandler.java

JsonResponseHandler(ObjectMapper objectMapper, Class<T> clazz) {
    this.objectMapper = Objects.requireNonNull(objectMapper);
    this.clazz = Objects.requireNonNull(clazz);
}

From source file:net.pkhsolutions.pecsapp.model.PictureModel.java

public PictureModel(@NotNull PageModel pageModel, @NotNull PictureService pictureService) {
    this.pageModel = Objects.requireNonNull(pageModel);
    this.pictureService = Objects.requireNonNull(pictureService);
    // PictureModel always has same scope as PageModel, no need to remove the listener
    this.pageModel.getLayout().addValueChangeListener(event -> updateProperties());
    this.title.addValueChangeListener(this::titleChanged);
    this.descriptor.addValueChangeListener(this::descriptorChanged);
}

From source file:com.ait.tooling.server.core.security.SimpleSHA512HashProvider.java

@Override
public String sha512(final String text, final String salt) {
    return m_hasher.sha512(Objects.requireNonNull(text), Objects.requireNonNull(salt));
}

From source file:org.n52.iceland.statistics.api.utils.KibanaImporter.java

public void importJson(String jsonString) throws JsonParseException, JsonMappingException, IOException {
    Objects.requireNonNull(jsonString);

    // delete .kibana index
    try {/*from   ww w .j ava2 s  .c o  m*/
        client.admin().indices().prepareDelete(kibanaIndexName).get();
    } catch (ElasticsearchException ex) {
        logger.debug("Tried to delete kibana index " + kibanaIndexName + " but it is not exists", ex);
    }

    ObjectMapper mapper = new ObjectMapper();
    KibanaConfigHolderDto holder = mapper.readValue(jsonString, KibanaConfigHolderDto.class);

    for (KibanaConfigEntryDto dto : holder.getEntries()) {
        dto = processDto(dto);
        logger.debug("Importing {}", dto);
        client.prepareIndex(kibanaIndexName, dto.getType(), dto.getId()).setSource(dto.getSource()).get();
    }
}

From source file:cn.edu.zjnu.acm.judge.service.LoginlogService.java

@Transactional
public void save(LoginLog loginlog) {
    Objects.requireNonNull(loginlog);
    lock.lock();//  w w  w  . ja  v  a 2s.c  o m
    try {
        list.add(loginlog);
        condition.signal();
    } finally {
        lock.unlock();
    }
}