Examples with WatchService java.nio.file.WatchService used on opensource projects

Example 26 with WatchService

use of java.nio.file.WatchService in project meecrowave by apache.

the class JBake method main.

// if you want to switch off PDF generation use as arguments: src/main/jbake target/site-tmp true false
public static void main(final String[] args) throws Exception {
    // try to have parallelStream better than default
    System.setProperty("java.util.concurrent.ForkJoinPool.common.parallelism", "64");
    final File source = args == null || args.length < 1 ? new File("src/main/jbake") : new File(args[0]);
    final File pdfSource = new File(source, "content");
    final File destination = args == null || args.length < 2 ? new File("target/site-tmp") : new File(args[1]);
    // by default we dev
    final boolean startHttp = args == null || args.length < 2 || Boolean.parseBoolean(args[2]);
    // by default...too slow sorry
    final boolean skipPdf = args != null && args.length > 3 && !Boolean.parseBoolean(args[3]);
    // grabs central
    final boolean updateDownloads = args != null && args.length > 4 && Boolean.parseBoolean(args[4]);
    // generation of dynamic content
    new Configuration().run();
    new CliConfiguration().run();
    new ArquillianConfiguration().run();
    new MavenConfiguration().run();
    new OAuth2Configuration().run();
    new LetsEncryptConfiguration().run();
    new GradleConfiguration().run();
    new ProxyConfiguration().run();
    if (updateDownloads) {
        final ByteArrayOutputStream tableContent = new ByteArrayOutputStream();
        try (final PrintStream stream = new PrintStream(tableContent)) {
            Downloads.doMain(stream);
        }
        try (final Writer writer = new FileWriter(new File(source, "content/download.adoc"))) {
            writer.write("= Downloads\n" + ":jbake-generated: true\n" + ":jbake-date: 2017-07-24\n" + ":jbake-type: page\n" + ":jbake-status: published\n" + ":jbake-meecrowavepdf:\n" + ":jbake-meecrowavecolor: body-blue\n" + ":icons: font\n" + "\n" + "License under Apache License v2 (ALv2).\n" + "\n" + "[.table.table-bordered,options=\"header\"]\n" + "|===\n" + "|Name|Version|Date|Size|Type|Links\n");
            writer.write(new String(tableContent.toByteArray(), StandardCharsets.UTF_8));
            writer.write("\n|===\n");
        }
    }
    final Runnable build = () -> {
        System.out.println("Building Meecrowave website in " + destination);
        final Orient orient = Orient.instance();
        try {
            final Oven oven = new Oven(new JBakeConfigurationFactory().createDefaultJbakeConfiguration(source, destination, new CompositeConfiguration() {

                {
                    final CompositeConfiguration config = new CompositeConfiguration();
                    config.addConfiguration(new MapConfiguration(new HashMap<String, Object>() {

                        {
                            put("asciidoctor.attributes", new ArrayList<String>() {

                                {
                                    add("source-highlighter=highlightjs");
                                    add("highlightjs-theme=idea");
                                    add("context_rootpath=/meecrowave");
                                    add("icons=font");
                                }
                            });
                        }
                    }));
                    config.addConfiguration(DefaultJBakeConfiguration.class.cast(new ConfigUtil().loadConfig(source)).getCompositeConfiguration());
                    addConfiguration(config);
                }
            }, true));
            System.out.println("  > baking");
            oven.bake();
            if (!skipPdf) {
                System.out.println("  > pdfifying");
                PDFify.generatePdf(pdfSource, destination);
            }
            System.out.println("  > done :)");
        } catch (final Exception e) {
            e.printStackTrace();
        } finally {
            orient.shutdown();
        }
    };
    build.run();
    if (startHttp) {
        final Path watched = source.toPath();
        final WatchService watchService = watched.getFileSystem().newWatchService();
        watched.register(watchService, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
        final AtomicBoolean run = new AtomicBoolean(true);
        final AtomicLong render = new AtomicLong(-1);
        final Thread renderingThread = new Thread() {

            {
                setName("jbake-renderer");
            }

            @Override
            public void run() {
                long last = System.currentTimeMillis();
                while (run.get()) {
                    if (render.get() > last) {
                        last = System.currentTimeMillis();
                        try {
                            build.run();
                        } catch (final Throwable oops) {
                            oops.printStackTrace();
                        }
                    }
                    try {
                        sleep(TimeUnit.SECONDS.toMillis(1));
                    } catch (final InterruptedException e) {
                        Thread.currentThread().interrupt();
                        break;
                    }
                }
                System.out.println("Exiting renderer");
            }
        };
        final Thread watcherThread = new Thread() {

            {
                setName("jbake-file-watcher");
            }

            @Override
            public void run() {
                while (run.get()) {
                    try {
                        final WatchKey key = watchService.poll(1, TimeUnit.SECONDS);
                        if (key == null) {
                            continue;
                        }
                        for (final WatchEvent<?> event : key.pollEvents()) {
                            final WatchEvent.Kind<?> kind = event.kind();
                            if (kind != ENTRY_CREATE && kind != ENTRY_DELETE && kind != ENTRY_MODIFY) {
                                // unlikely but better to protect ourself
                                continue;
                            }
                            final Path updatedPath = Path.class.cast(event.context());
                            if (kind == ENTRY_DELETE || updatedPath.toFile().isFile()) {
                                final String path = updatedPath.toString();
                                if (!path.contains("___jb") && !path.endsWith("~")) {
                                    render.set(System.currentTimeMillis());
                                }
                            }
                        }
                        key.reset();
                    } catch (final InterruptedException e) {
                        Thread.currentThread().interrupt();
                        run.compareAndSet(true, false);
                    } catch (final ClosedWatchServiceException cwse) {
                        if (!run.get()) {
                            throw new IllegalStateException(cwse);
                        }
                    }
                }
                System.out.println("Exiting file watcher");
            }
        };
        renderingThread.start();
        watcherThread.start();
        final Runnable onQuit = () -> {
            run.compareAndSet(true, false);
            Stream.of(watcherThread, renderingThread).forEach(thread -> {
                try {
                    thread.join();
                } catch (final InterruptedException e) {
                    Thread.currentThread().interrupt();
                }
            });
            try {
                watchService.close();
            } catch (final IOException ioe) {
            // not important
            }
        };
        try (final Meecrowave container = new Meecrowave(new Meecrowave.Builder() {

            {
                setWebResourceCached(false);
                property("proxy-skip", "true");
            }
        }) {

            {
                start();
                getTomcat().getServer().setParentClassLoader(Thread.currentThread().getContextClassLoader());
                deployWebapp("/meecrowave", destination);
            }
        }) {
            System.out.println("Started on http://localhost:" + container.getConfiguration().getHttpPort() + "/meecrowave");
            final Scanner console = new Scanner(System.in);
            String cmd;
            while (((cmd = console.nextLine())) != null) {
                if ("quit".equals(cmd)) {
                    break;
                } else if ("r".equals(cmd) || "rebuild".equals(cmd) || "build".equals(cmd) || "b".equals(cmd)) {
                    render.set(System.currentTimeMillis());
                } else {
                    System.err.println("Ignoring " + cmd + ", please use 'build' or 'quit'");
                }
            }
        }
        onQuit.run();
    }
}

Example 27 with WatchService

use of java.nio.file.WatchService in project atlasmap by atlasmap.

the class E2ETest method test.

@Test
public void test() throws Exception {
    driver.get("http://127.0.0.1:" + port);
    WebDriverWait waitForLoad = new WebDriverWait(driver, Duration.ofSeconds(30));
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//article[@aria-label='Properties']")));
    WebElement atlasmapMenuBtn = driver.findElement(By.xpath("//button[@data-testid='atlasmap-menu-button']"));
    atlasmapMenuBtn.click();
    waitForLoad.until(ExpectedConditions.elementToBeClickable(By.xpath("//a[@data-testid='import-mappings-button']")));
    WebElement importBtn = driver.findElement(By.xpath("//a[@data-testid='import-mappings-button']"));
    importBtn.click();
    WebElement fileInput = driver.findElement(By.xpath("//div[@id='data-toolbar']//input[@type='file']"));
    String cwd = System.getProperty("user.dir");
    fileInput.sendKeys(cwd + "/src/test/resources/json-schema-source-to-xml-schema-target.adm");
    WebElement confirmBtn = driver.findElement(By.xpath("//button[@data-testid='confirmation-dialog-confirm-button']"));
    confirmBtn.click();
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//article[@aria-label='JSONSchemaSource']")));
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e1) {
    }
    // Check custom action param
    WebElement orderBtn = driver.findElement(By.xpath("//button[@id='sources-field-atlas:json:JSONSchemaSource:source:/order-toggle']"));
    orderBtn.click();
    By addressToggle = By.xpath("//button[@id='sources-field-atlas:json:JSONSchemaSource:source:/order/address-toggle']");
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(addressToggle));
    WebElement addrBtn = driver.findElement(addressToggle);
    addrBtn.click();
    By addrDivPath = By.xpath("//button[@id='sources-field-atlas:json:JSONSchemaSource:source:/order/address-toggle']/../..");
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(addrDivPath));
    WebElement addrDiv = driver.findElement(addrDivPath);
    By cityDivPath = By.xpath(".//button[@data-testid='grip-city-button']/../../../..");
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(cityDivPath));
    WebElement cityDiv = addrDiv.findElement(cityDivPath);
    Actions action = new Actions(driver);
    action.moveToElement(cityDiv).perform();
    waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//button[@data-testid='show-mapping-details-button']")));
    WebElement showDetailsBtn = cityDiv.findElement(By.xpath(".//button[@data-testid='show-mapping-details-button']"));
    showDetailsBtn.click();
    WebElement detailsCity = waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//div[@role='dialog']//div[@aria-labelledby='mapping-field-city']")));
    assertNotNull(detailsCity);
    WebElement customActionParamInput = driver.findElement(By.id("user-field-action-io.atlasmap.service.my.MyFieldActionsModel-transformation-0"));
    assertEquals("testparam", customActionParamInput.getAttribute("value"));
    // Check custom source class mapping
    WebElement customClassDoc = driver.findElement(By.xpath("//article[@aria-label='MyFieldActionsModel']"));
    WebElement paramDiv = customClassDoc.findElement(By.xpath(".//button[@data-testid='grip-param-button']/../../../.."));
    action = new Actions(driver);
    action.moveToElement(paramDiv).perform();
    waitForLoad.until(ExpectedConditions.elementToBeClickable(By.xpath("//button[@data-testid='show-mapping-details-button']")));
    showDetailsBtn = paramDiv.findElement(By.xpath(".//button[@data-testid='show-mapping-details-button']"));
    showDetailsBtn.click();
    WebElement detailsPhotoUrl = waitForLoad.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//div[@data-testid='column-mapping-details-area']" + "//div[@data-testid='mapping-field-photoUrl']")));
    assertNotNull(detailsPhotoUrl);
    atlasmapMenuBtn = driver.findElement(By.xpath("//button[@data-testid='atlasmap-menu-button']"));
    atlasmapMenuBtn.click();
    waitForLoad.until(ExpectedConditions.elementToBeClickable(By.xpath("//a[@data-testid='export-mappings-button']")));
    WebElement exportBtn = driver.findElement(By.xpath("//a[@data-testid='export-mappings-button']"));
    exportBtn.click();
    WebElement dialogDiv = driver.findElement(By.xpath("//div[@data-testid='export-catalog-dialog']/.."));
    WebElement exportInput = dialogDiv.findElement(By.id("filename"));
    String exportAdmFileName = UUID.randomUUID().toString() + "-exported.adm";
    exportInput.clear();
    exportInput.sendKeys(exportAdmFileName);
    confirmBtn = dialogDiv.findElement(By.xpath(".//button[@data-testid='confirmation-dialog-confirm-button']"));
    WatchService watcher = FileSystems.getDefault().newWatchService();
    Executors.newSingleThreadExecutor().execute(() -> {
        long start = System.currentTimeMillis();
        while ((System.currentTimeMillis() - start) < 300000) {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                break;
            }
        }
        try {
            watcher.close();
        } catch (Exception e) {
            fail("Failed to close file watcher");
        }
    });
    Path dirPath = Paths.get(DLDIR);
    dirPath.register(watcher, StandardWatchEventKinds.ENTRY_CREATE);
    confirmBtn.click();
    WatchKey key = watcher.take();
    while (key.isValid()) {
        List<WatchEvent<?>> events = key.pollEvents();
        if (events.isEmpty()) {
            Thread.sleep(1000);
            continue;
        }
        for (WatchEvent<?> event : events) {
            if (!StandardWatchEventKinds.ENTRY_CREATE.name().equals(event.kind().name())) {
                continue;
            }
            ;
            Path eventPath = (Path) event.context();
            LOG.info("File '{}' is created", eventPath.getFileName().toString());
            if (!exportAdmFileName.equals(eventPath.getFileName().toString())) {
                continue;
            }
            ADMArchiveHandler handler = new ADMArchiveHandler(getClass().getClassLoader());
            handler.setLibraryDirectory(Paths.get(DLDIR + File.separator + "lib"));
            handler.load(Paths.get(DLDIR + File.separator + exportAdmFileName));
            assertEquals("UI.0", handler.getMappingDefinition().getName());
            DataSourceMetadata sourceMeta = handler.getDataSourceMetadata(true, "JSONSchemaSource");
            assertEquals(true, sourceMeta.getIsSource());
            assertEquals("JSONSchemaSource", sourceMeta.getName());
            assertEquals("JSON", sourceMeta.getDataSourceType());
            DataSourceMetadata targetMeta = handler.getDataSourceMetadata(false, "XMLSchemaSource");
            assertEquals(false, targetMeta.getIsSource());
            assertEquals("XMLSchemaSource", targetMeta.getName());
            assertEquals("XML", targetMeta.getDataSourceType());
            return;
        }
        ;
    }
    fail("exported.adm was not created");
}

Example 28 with WatchService

use of java.nio.file.WatchService in project spf4j by zolyfarkas.

the class TSDBReader method watch.

// CHECKSTYLE:OFF
@SuppressFBWarnings("NOS_NON_OWNED_SYNCHRONIZATION")
public <E extends Exception> void watch(final Handler<Either<TableDef, DataBlock>, E> handler, final EventSensitivity es, final long deadlineNanos) throws IOException, InterruptedException, E {
    // CHECKSTYLE:ON
    synchronized (this) {
        if (watch) {
            throw new IllegalStateException("File is already watched " + file);
        }
        watch = true;
    }
    SensitivityWatchEventModifier sensitivity;
    switch(es) {
        case LOW:
            sensitivity = SensitivityWatchEventModifier.LOW;
            break;
        case MEDIUM:
            sensitivity = SensitivityWatchEventModifier.MEDIUM;
            break;
        case HIGH:
            sensitivity = SensitivityWatchEventModifier.HIGH;
            break;
        default:
            throw new UnsupportedOperationException("Unsupported sensitivity " + es);
    }
    final Path path = file.getParentFile().toPath();
    try (WatchService watchService = path.getFileSystem().newWatchService()) {
        path.register(watchService, new WatchEvent.Kind[] { StandardWatchEventKinds.ENTRY_MODIFY, StandardWatchEventKinds.OVERFLOW }, sensitivity);
        readAll(handler, deadlineNanos);
        do {
            long tNanos = deadlineNanos - TimeSource.nanoTime();
            if (tNanos <= 0) {
                break;
            }
            WatchKey key = watchService.poll(1, TimeUnit.SECONDS);
            if (key == null) {
                if (reReadSize()) {
                    readAll(handler, deadlineNanos);
                }
                continue;
            }
            if (!key.isValid()) {
                key.cancel();
                break;
            }
            if (!key.pollEvents().isEmpty() && reReadSize()) {
                readAll(handler, deadlineNanos);
            }
            if (!key.reset()) {
                key.cancel();
                break;
            }
        } while (watch);
    } finally {
        watch = false;
    }
}

Example 29 with WatchService

use of java.nio.file.WatchService in project jbosstools-openshift by jbosstools.

the class ConfigWatcher method runOnConfigChange.

private void runOnConfigChange(Runnable runnable) {
    try (WatchService service = newWatchService()) {
        registerWatchService(service);
        WatchKey key;
        while ((key = service.take()) != null) {
            key.pollEvents().stream().filter(this::isConfigPath).forEach((Void) -> runnable.run());
            key.reset();
        }
    } catch (IOException | InterruptedException e) {
        e.printStackTrace();
    }
}

Example 30 with WatchService

use of java.nio.file.WatchService in project Java-Tutorial by gpcodervn.

the class DirectoryWatchExample method main.

public static void main(String[] args) throws IOException {
    WatchService watcher = FileSystems.getDefault().newWatchService();
    Path dir = Paths.get("C:/uploads");
    dir.register(watcher, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY);
    System.out.println("Watch Service registered for dir: " + dir.getFileName());
    WatchKey key = null;
    while (true) {
        try {
            // System.out.println("Waiting for key to be signalled...");
            key = watcher.take();
        } catch (InterruptedException ex) {
            System.out.println("InterruptedException: " + ex.getMessage());
            return;
        }
        for (WatchEvent<?> event : key.pollEvents()) {
            // Retrieve the type of event by using the kind() method.
            WatchEvent.Kind<?> kind = event.kind();
            WatchEvent<Path> ev = (WatchEvent<Path>) event;
            Path fileName = ev.context();
            if (kind == StandardWatchEventKinds.ENTRY_CREATE) {
                System.out.printf("A new file %s was created.%n", fileName.getFileName());
            } else if (kind == StandardWatchEventKinds.ENTRY_MODIFY) {
                System.out.printf("A file %s was modified.%n", fileName.getFileName());
            } else if (kind == StandardWatchEventKinds.ENTRY_DELETE) {
                System.out.printf("A file %s was deleted.%n", fileName.getFileName());
            }
        }
        boolean valid = key.reset();
        if (!valid) {
            break;
        }
    }
}