Example usage for java.util.stream Stream forEach

Introduction

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

Prototype

void forEach(Consumer<? super T> action);

Source Link

Document

Performs an action for each element of this stream.

Usage

From source file:edu.umd.umiacs.clip.tools.io.AllFiles.java

public static Path write(Path path, Stream<?> lines, Charset cs, OpenOption... options) {
    if (options.length == 0) {
        options = new OpenOption[] { CREATE_NEW };
    }//from  w  w  w.  j  a  va2 s . com
    Objects.requireNonNull(lines);
    CharsetEncoder encoder = cs.newEncoder();
    try {
        OutputStream out = newOutputStream(path, options);
        if (path.toString().endsWith(".gz")) {
            out = new GZIPOutputStream(out);
        } else if (path.toString().endsWith(".bz2")) {
            out = new BZip2CompressorOutputStream(out);
        }
        try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, encoder), BUFFER_SIZE)) {
            lines.forEach(line -> {
                try {
                    writer.append(line.toString());
                    writer.newLine();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            });
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
    return path;
}

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From source file:com.baeldung.file.FileOperationsTest.java

@Test
public void givenFilePath_whenUsingFilesLines_thenFileData() throws IOException, URISyntaxException {
    String expectedData = "Hello World from fileTest.txt!!!";

    Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());

    StringBuilder data = new StringBuilder();
    Stream<String> lines = Files.lines(path);
    lines.forEach(line -> data.append(line).append("\n"));
    lines.close();//w w w .  jav  a  2  s  .co  m

    Assert.assertEquals(expectedData, data.toString().trim());
}

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From source file:com.baeldung.file.FileOperationsManualTest.java

@Test
public void givenFilePath_whenUsingFilesLines_thenFileData() throws IOException, URISyntaxException {
    String expectedData = "Hello World from fileTest.txt!!!";

    Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());

    StringBuilder data = new StringBuilder();
    Stream<String> lines = Files.lines(path);
    lines.forEach(line -> data.append(line).append("\n"));
    lines.close();//from   w ww.j  a v a  2s.  c  om

    assertEquals(expectedData, data.toString().trim());
}

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From source file:enumj.EnumeratorTimingTestBase.java

private Stream<E> testStreamConsumption(Stream<E> stream) {
    stream.forEach(this::consumeStream);
    return stream;
}

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From source file:hydrograph.ui.propertywindow.widgets.customwidgets.RadioButtonsWidget.java

@Override
public void attachToPropertySubGroup(AbstractELTContainerWidget container) {
    ELTDefaultSubgroupComposite defaultSubgroupComposite = new ELTDefaultSubgroupComposite(
            container.getContainerControl());
    buttonText = radioButtonConfig.getWidgetDisplayNames();
    buttons = new Button[buttonText.length];
    defaultSubgroupComposite.createContainerWidget();
    defaultSubgroupComposite.numberOfBasicWidgets(buttonText.length + 1);

    AbstractELTWidget defaultLabel = new ELTDefaultLable(radioButtonConfig.getPropertyName());
    defaultSubgroupComposite.attachWidget(defaultLabel);

    setPropertyHelpWidget((Control) defaultLabel.getSWTWidgetControl());

    SelectionListener selectionListener = new SelectionAdapter() {
        @Override//from   www . ja  va2s .  c  o  m
        public void widgetSelected(SelectionEvent event) {
            Button button = ((Button) event.widget);

            matchValue.setMatchValue(button.getText());
            matchValue.setRadioButtonSelected(true);
            propertyDialogButtonBar.enableApplyButton(true);
        }
    };

    for (int i = 0; i < buttonText.length; i++) {
        ELTRadioButton eltRadioButton = new ELTRadioButton(buttonText[i]);
        defaultSubgroupComposite.attachWidget(eltRadioButton);
        buttons[i] = ((Button) eltRadioButton.getSWTWidgetControl());
        ((Button) eltRadioButton.getSWTWidgetControl()).addSelectionListener(selectionListener);
    }
    buttons[0].setSelection(true);

    if (!radioButtonConfig.getRadioButtonListners().isEmpty()) {
        Stream<Button> stream = Arrays.stream(buttons);
        stream.forEach(button -> {
            Listners radioListners = radioButtonConfig.getRadioButtonListners().get(0);
            IELTListener listener = radioListners.getListener();
            Listener listnr = listener.getListener(propertyDialogButtonBar, null, button);
            button.addListener(SWT.Selection, listnr);
        });
    }
    populateWidget();
}

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From source file:org.fineract.module.stellar.service.UnprocessedEventObserver.java

@Scheduled(fixedRate = 300000) //Once every five minutes.
void resendUnprocessedMifosPayments() {
    logger.info("Checking for and resending unprocessed payment events.");
    final Stream<FineractPaymentEventPersistency> events = this.fineractPaymentEventRepository
            .findByProcessedFalseAndOutstandingRetriesGreaterThan(0);

    events.forEach(event -> {
        final PaymentPersistency payment = gson.fromJson(event.getPayload(), PaymentPersistency.class);
        this.applicationEventPublisher.publishEvent(new FineractPaymentEvent(this, event.getId(), payment));
    });//from  w w w .j  av  a2  s  .  c  o  m
}

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From source file:downloadwebpages.DownloadWebpages.java

/**
 * read the webpages in the text file and save them in the java list
 *//* w w w.j  a  v  a2  s.c o m*/
private void getWebpagesFromFile() {
    try {
        System.out.println("Reading: " + webpagesTxtFilePath);
        webpages = new ArrayList<>(); // initialize list

        Stream<String> stream = Files.lines(Paths.get(webpagesTxtFilePath), Charset.defaultCharset());
        stream.forEach((line) -> {
            System.out.println("Read line: " + line);
            String[] split = line.split("\\t");
            if (split.length > 1) {
                webpages.add(new Pair(split[0], split[1]));
            }
        });
        //stream.forEach(System.out::println); // print line from file
    } catch (IOException ex) {
        Logger.getLogger(DownloadWebpages.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:com.thoughtworks.go.javasysmon.wrapper.Java9CompatibleCurrentProcess.java

@Override
public void infanticide() {
    LOG.debug("Using java 9 compatible infanticide");
    try {/*from  w  w w  .j ava 2 s .c  o  m*/
        MethodUtils.invokeMethod(currentProcess(), "descendants");
        Stream<Object> processHandles = (Stream<Object>) MethodUtils.invokeMethod(currentProcess(),
                "descendants");
        processHandles.forEach(processHandle -> {
            ProcessHandleReflectionDelegate ph = new ProcessHandleReflectionDelegate(processHandle);
            LOG.debug("Attempting to destroy process {}", ph);
            if (ph.isAlive()) {
                ph.destroy();
                LOG.debug("Destroyed process {}", ph);
            }
        });
    } catch (Exception e) {
        LOG.error("Unable to infanticide", e);
    }
}

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From source file:org.fineract.module.stellar.service.UnprocessedEventObserver.java

@Scheduled(fixedRate = 300000) //Once every five minutes.
void resendUnprocessedStellarAdjustments() {
    logger.info("Checking for and resending unprocessed adjustments.");
    final Stream<StellarAdjustOfferEventPersistency> events = this.stellarAdjustOfferEventRepository
            .findByProcessedFalseAndOutstandingRetriesGreaterThan(0);

    events.forEach(event -> {
        final StellarAdjustOfferEvent adjustOfferEvent = new StellarAdjustOfferEvent(this, event.getId(),
                event.getMifosTenantId(), event.getAssetCode());

        this.applicationEventPublisher.publishEvent(adjustOfferEvent);
    });//from w w  w .  j  a va 2 s .  c  o  m
}

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From source file:ru.jts_dev.gameserver.service.BroadcastService.java

public final void sendToAll(final OutgoingMessageWrapper message) {
    Stream<GameSession> stream = sessionService.getSessions().size() > THRESHOLD
            ? sessionService.getSessions().values().parallelStream()
            : sessionService.getSessions().values().stream();
    stream.forEach(gameSession -> send(gameSession.getConnectionId(), message));
}

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