Example usage for java.util Arrays stream

Introduction

In this page you can find the example usage for java.util Arrays stream.

Prototype

public static DoubleStream stream(double[] array) 

Source Link

Document

Returns a sequential DoubleStream with the specified array as its source.

Usage

From source file:ijfx.ui.previewToolbar.DefaultWidget.java

@Override
public Image getImage(PreviewService previewService, int size) {

    if (image != null)
        return image;

    if (previewService == null)
        return null;

    if (previewService.getImageDisplayService().getActiveDataset() == null) {
        return null;
    } else if (this.getIcon().equals("preview")) {
        try {//from  ww  w.j a v a 2  s.  c  om
            previewService.setParameters(-1, -1, size, size);
            return previewService.getImageDisplay(action, this.getParameters());

        } catch (Exception e) {
            e.printStackTrace();
            FontAwesomeIconView fontAwesomeIconView = new FontAwesomeIconView(FontAwesomeIcon.AMBULANCE);
            return FontAwesomeIconUtils.FAItoImage(fontAwesomeIconView, size);
        }
    }

    else if (getIcon().startsWith("char:")) {
        Canvas canvas = new Canvas(size, size);
        GraphicsContext graphicsContext2D = canvas.getGraphicsContext2D();

        graphicsContext2D.setFill(Color.WHITE);
        graphicsContext2D.setFont(javafx.scene.text.Font.font("Arial", size));
        graphicsContext2D.fillText(getIcon().substring(5), size / 3, size * 0.8);

        final SnapshotParameters params = new SnapshotParameters();
        params.setFill(Color.TRANSPARENT);
        //            final WritableImage snapshot = canvas.snapshot(params, null);

        Task<WritableImage> getIcon = new CallbackTask<Canvas, WritableImage>(canvas)
                .run(input -> input.snapshot(params, null));

        Platform.runLater(getIcon);

        try {
            // Image image = new Ima

            image = getIcon.get();
            return image;
        } catch (InterruptedException ex) {
            Logger.getLogger(DefaultWidget.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ExecutionException ex) {
            Logger.getLogger(DefaultWidget.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }

    //Check if icon exist in Enumeration
    else if (Arrays.stream(FontAwesomeIcon.values()).filter(e -> e.name().equals(icon)).count() > 0) {

        FontAwesomeIconView fontAwesomeIconView = new FontAwesomeIconView(FontAwesomeIcon.valueOf(icon));
        return FontAwesomeIconUtils.FAItoImage(fontAwesomeIconView, size);
    } else {
        image = new Image(getClass().getResource(icon).toExternalForm(), size, size, true, true);
        return image;
    }
}

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From source file:com.github.ukase.service.BulkRenderer.java

private void checkDataDirectory() {
    File[] directories = path.listFiles();
    if (directories == null) {
        return;/*  www . jav  a2s  .co m*/
    }
    Arrays.stream(directories).forEach(this::checkSubDirectories);
}

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From source file:org.age.services.worker.internal.DefaultWorkerService.java

protected DefaultWorkerService() {
    Arrays.stream(WorkerMessage.Type.values()).forEach(type -> workerMessageListeners.put(type, newHashSet()));

    messageHandlers.put(WorkerMessage.Type.LOAD_CLASS, this::handleLoadClass);
    messageHandlers.put(WorkerMessage.Type.LOAD_CONFIGURATION, this::handleLoadConfig);
    messageHandlers.put(WorkerMessage.Type.START_COMPUTATION, this::handleStartComputation);
}

---

From source file:fr.cph.stock.external.impl.ExternalDataAccessImpl.java

@Override
public final Stream<CurrencyData> getCurrencyData(final Currency currency) {
    return Arrays.stream(Currency.values()).filter(c -> c != currency).flatMap(c -> {
        final StringBuilder sb = new StringBuilder();
        sb.append("\"").append(currency.getCode()).append(c.getCode()).append("\",\"").append(c.getCode())
                .append(currency.getCode()).append("\"");
        final String request = "select * from yahoo.finance.xchange where pair in (" + sb + ")";
        final XChangeResult xChangeResult = yahooGateway.getObject(request, XChangeResult.class);
        if (xChangeResult.getQuery().getResults() == null) {
            log.error("The YQL http request worked but the response did not contain any results");
            throw new YahooException("Error while refreshing currencies");
        }/*from w ww .  j  a  v a2  s .  c o m*/
        final List<Rate> rates = xChangeResult.getQuery().getResults().getRate();
        if (rates != null && rates.size() == 2) {
            final CurrencyData currencyData = CurrencyData.builder().currency1(currency).currency2(c)
                    .value(rates.get(0).getRate()).build();
            final CurrencyData currencyData2 = CurrencyData.builder().currency1(c).currency2(currency)
                    .value(rates.get(1).getRate()).build();
            return Stream.of(currencyData, currencyData2);
        } else {
            log.error("Could not find currency data: {}", xChangeResult);
            return Stream.empty();
        }
    });
}

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From source file:org.venice.piazza.servicecontroller.data.mongodb.accessors.MongoAccessor.java

@PostConstruct
private void initialize() {
    try {// w w w .j  a v  a  2s . c  o  m
        MongoClientOptions.Builder builder = new MongoClientOptions.Builder();
        // Enable SSL if the `mongossl` Profile is enabled
        if (Arrays.stream(environment.getActiveProfiles()).anyMatch(env -> env.equalsIgnoreCase("mongossl"))) {
            builder.sslEnabled(true);
            builder.sslInvalidHostNameAllowed(true);
        }
        // If a username and password are provided, then associate these credentials with the connection
        if ((!StringUtils.isEmpty(DATABASE_USERNAME)) && (!StringUtils.isEmpty(DATABASE_CREDENTIAL))) {
            mongoClient = new MongoClient(new ServerAddress(DATABASE_HOST, DATABASE_PORT),
                    Arrays.asList(MongoCredential.createCredential(DATABASE_USERNAME, DATABASE_NAME,
                            DATABASE_CREDENTIAL.toCharArray())),
                    builder.threadsAllowedToBlockForConnectionMultiplier(mongoThreadMultiplier).build());
        } else {
            mongoClient = new MongoClient(new ServerAddress(DATABASE_HOST, DATABASE_PORT),
                    builder.threadsAllowedToBlockForConnectionMultiplier(mongoThreadMultiplier).build());
        }

    } catch (Exception exception) {
        LOGGER.error(String.format("Error connecting to MongoDB Instance. %s", exception.getMessage()),
                exception);

    }
}

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From source file:com.intellij.plugins.haxe.model.HaxePackageModel.java

@Override
public List<HaxeModel> getExposedMembers() {
    PsiDirectory directory = root.access(path);
    if (directory != null) {
        PsiFile[] files = directory.getFiles();

        return Arrays.stream(files).filter(file -> file instanceof HaxeFile).map(file -> {
            HaxeFileModel fileModel = HaxeFileModel.fromElement(file);
            return fileModel != null ? fileModel.getMainClassModel() : null;
        }).filter(Objects::nonNull).collect(Collectors.toList());
    }/*  w  ww  .  j a  v  a2 s.  c  o m*/

    return Collections.emptyList();
}

---

From source file:com.joyent.manta.client.multipart.EncryptedServerSideMultipartManagerSerializationIT.java

public final void canResumeUploadWithByteArrayAndMultipleParts() throws Exception {
    final SupportedCipherDetails cipherDetails = SupportedCiphersLookupMap.INSTANCE
            .get(config.getEncryptionAlgorithm());
    final SecretKey secretKey = SecretKeyUtils.loadKey(config.getEncryptionPrivateKeyBytes(), cipherDetails);
    final EncryptedMultipartUploaSerializationHelper<ServerSideMultipartUpload> helper = new EncryptedMultipartUploaSerializationHelper<>(
            kryo, secretKey, cipherDetails, ServerSideMultipartUpload.class);
    final String name = UUID.randomUUID().toString();
    final String path = testPathPrefix + name;
    final byte[] content = RandomUtils.nextBytes(FIVE_MB + 1024);
    final byte[] content1 = Arrays.copyOfRange(content, 0, FIVE_MB + 1);
    final byte[] content2 = Arrays.copyOfRange(content, FIVE_MB + 1, FIVE_MB + 1024);

    String contentType = "application/something-never-seen-before; charset=UTF-8";
    MantaHttpHeaders headers = new MantaHttpHeaders();
    headers.setContentType(contentType);

    EncryptedMultipartUpload<ServerSideMultipartUpload> upload = multipart.initiateUpload(path, null, headers);
    MantaMultipartUploadPart part1 = multipart.uploadPart(upload, 1, content1);

    Provider provider = upload.getEncryptionState().getEncryptionContext().getCipher().getProvider();

    LOGGER.info("Testing serialization with encryption provider: {}", provider.getInfo());

    final byte[] serializedEncryptionState = helper.serialize(upload);

    EncryptedMultipartUpload<ServerSideMultipartUpload> deserializedUpload = helper
            .deserialize(serializedEncryptionState);

    MantaMultipartUploadPart part2 = multipart.uploadPart(deserializedUpload, 2, content2);
    MantaMultipartUploadTuple[] parts = new MantaMultipartUploadTuple[] { part1, part2 };
    Stream<MantaMultipartUploadTuple> partsStream = Arrays.stream(parts);

    multipart.complete(deserializedUpload, partsStream);

    try (MantaObjectInputStream in = mantaClient.getAsInputStream(path)) {
        Assert.assertEquals(in.getContentType(), contentType,
                "Set content-type doesn't match actual content type");

        int b;//from w w  w . j  a  va2  s .  c  o  m
        int i = 0;
        while ((b = in.read()) != -1) {
            final byte expected = content[i++];

            Assert.assertEquals((byte) b, expected,
                    "Byte [" + (char) b + "] not matched at position: " + (i - 1));
        }

        if (i + 1 < content.length) {
            fail("Missing " + (content.length - i + 1) + " bytes from Manta stream");
        }
    }
}

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From source file:com.ejisto.modules.executor.TaskManager.java

public static <T> GuiTask<T> createNewGuiTask(Callable<T> callable, String description,
        PropertyChangeListener... listeners) {
    GuiTask<T> task = new GuiTask<>(callable, description);
    Arrays.stream(listeners).forEach(task::addPropertyChangeListener);
    return task;// w w w.  j  a v  a  2 s. c  o m
}

---

From source file:eu.tripledframework.eventstore.infrastructure.ReflectionObjectConstructor.java

private Constructor getEventHandlerConstructor(DomainEvent event) {
    Set<Constructor> constructors = Arrays.stream(targetClass.getConstructors())
            .filter(contructor -> contructor.isAnnotationPresent(ConstructionHandler.class))
            .collect(Collectors.toSet());
    for (Constructor constructor : constructors) {
        ConstructionHandler constructionHandlerAnnotation = (ConstructionHandler) constructor
                .getAnnotation(ConstructionHandler.class);
        if (constructionHandlerAnnotation.value().equals(event.getClass())) {
            return constructor;
        }//from  ww  w.  j av  a2s .co  m
    }
    return null;
}

---

From source file:com.github.aptd.simulation.TestCLanguageLabels.java

/**
 * check package translation configuration versus property items
 *//* w w  w.ja  va  2s.  c om*/
@Test
public void testTranslation() {
    assumeTrue("no languages are defined for checking", !LANGUAGEPROPERY.isEmpty());

    // --- read language definitions from the configuration
    final Set<String> l_translation = Collections.unmodifiableSet(
            Arrays.stream(CCommon.configuration().getObject("translation").toString().split(","))
                    .map(i -> i.trim().toLowerCase()).collect(Collectors.toSet()));

    // --- check if a test (language resource) exists for each definied language
    final Set<String> l_translationtesting = new HashSet<>(l_translation);
    l_translationtesting.removeAll(LANGUAGEPROPERY.keySet());
    assertFalse(MessageFormat.format(
            "configuration defines {1,choice,1#translation|1<translations} {0} that {1,choice,1#is|1<are} not tested",
            l_translationtesting, l_translationtesting.size()), !l_translationtesting.isEmpty());

    // --- check unused language resource files
    final Set<String> l_translationusing = new HashSet<>(LANGUAGEPROPERY.keySet());
    l_translationusing.removeAll(l_translation);
    assertFalse(MessageFormat.format(
            "{1,choice,1#translation|1<translations} {0} {1,choice,1#is|1<are} checked, which will not be used within the package configuration",
            l_translationusing, l_translationusing.size()), !l_translationusing.isEmpty());
}

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