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

Example 36 with WatchKey

use of java.nio.file.WatchKey in project dwoss by gg-net.

the class DirectoryMonitor method run.

@Override
public void run() {
    try {
        WatchKey key = watchService.take();
        // Need to poll events before reset.
        key.pollEvents();
        key.reset();
        reloadView();
    } catch (InterruptedException ex) {
    }
}

Example 37 with WatchKey

use of java.nio.file.WatchKey in project logging-log4j2 by apache.

the class RollingAppenderTempCompressedFilePatternTest method testAppender.

@Test
public void testAppender() throws Exception {
    final File dirTmp = new File(DIR_TMP);
    dirTmp.mkdirs();
    try (final WatchService watcher = FileSystems.getDefault().newWatchService()) {
        WatchKey key = dirTmp.toPath().register(watcher, StandardWatchEventKinds.ENTRY_CREATE);
        final List<String> messages = new ArrayList<>();
        for (int i = 0; i < 500; ++i) {
            final String message = "This is test message number " + i;
            messages.add(message);
            logger.debug(message);
            if (i % 100 == 0) {
                Thread.sleep(500);
            }
        }
        if (!loggerContextRule.getLoggerContext().stop(30, TimeUnit.SECONDS)) {
            System.err.println("Could not stop cleanly " + loggerContextRule + " for " + this);
        }
        final File dir = new File(DIR);
        assertTrue("Directory not created", dir.exists());
        final File[] files = dir.listFiles();
        assertNotNull(files);
        int gzippedFiles = 0;
        for (final File file : files) {
            final ByteArrayOutputStream baos = new ByteArrayOutputStream();
            InputStream in = null;
            final FileExtension ext = FileExtension.lookupForFile(file.getName());
            try {
                try (FileInputStream fis = new FileInputStream(file)) {
                    if (ext != null) {
                        gzippedFiles++;
                        try {
                            in = new CompressorStreamFactory().createCompressorInputStream(ext.name().toLowerCase(), fis);
                        } catch (final CompressorException ce) {
                            ce.printStackTrace();
                            fail("Error creating intput stream from " + file.toString() + ": " + ce.getMessage());
                        }
                    } else {
                        in = new FileInputStream(file);
                    }
                    assertNotNull("No input stream for " + file.getName(), in);
                    try {
                        IOUtils.copy(in, baos);
                    } catch (final Exception ex) {
                        ex.printStackTrace();
                        fail("Unable to decompress " + file.getAbsolutePath());
                    }
                }
            } finally {
                Closer.close(in);
            }
            final String text = new String(baos.toByteArray(), Charset.defaultCharset());
            final String[] lines = text.split("[\\r\\n]+");
            for (final String line : lines) {
                messages.remove(line);
            }
        }
        assertTrue("Log messages lost : " + messages.size(), messages.isEmpty());
        assertTrue("Files not rolled : " + files.length, files.length > 2);
        assertTrue("Files gzipped not rolled : " + gzippedFiles, gzippedFiles > 0);
        int temporaryFilesCreated = 0;
        key = watcher.take();
        for (final WatchEvent<?> event : key.pollEvents()) {
            final WatchEvent<Path> ev = (WatchEvent<Path>) event;
            final Path filename = ev.context();
            if (filename.toString().endsWith(".tmp")) {
                temporaryFilesCreated++;
            }
        }
        assertTrue("No temporary file created during compression", temporaryFilesCreated > 0);
        assertEquals("Temporarys file created not equals to compressed files " + temporaryFilesCreated + "/" + gzippedFiles, gzippedFiles, temporaryFilesCreated);
    }
}

Example 38 with WatchKey

use of java.nio.file.WatchKey in project logging-log4j2 by apache.

the class RollingAppenderDirectWriteTempCompressedFilePatternTest method testAppender.

@Test
public void testAppender() throws Exception {
    final File dir = new File(DIR);
    dir.mkdirs();
    try (final WatchService watcher = FileSystems.getDefault().newWatchService()) {
        WatchKey key = dir.toPath().register(watcher, StandardWatchEventKinds.ENTRY_CREATE);
        for (int i = 0; i < 100; ++i) {
            logger.debug("This is test message number " + i);
        }
        Thread.sleep(50);
        assertTrue("Directory not created", dir.exists() && dir.listFiles().length > 0);
        final File[] files = dir.listFiles();
        assertNotNull(files);
        assertThat(files, hasItemInArray(that(hasName(that(endsWith(".gz"))))));
        int temporaryFilesCreated = 0;
        int compressedFiles = 0;
        key = watcher.take();
        for (final WatchEvent<?> event : key.pollEvents()) {
            final WatchEvent<Path> ev = (WatchEvent<Path>) event;
            final Path filename = ev.context();
            if (filename.toString().endsWith(".tmp")) {
                temporaryFilesCreated++;
            }
            if (filename.toString().endsWith(".gz")) {
                compressedFiles++;
            }
        }
        assertTrue("No temporary file created during compression", temporaryFilesCreated > 0);
        assertEquals("Temporarys file created not equals to compressed files", compressedFiles, temporaryFilesCreated);
    }
}

Example 39 with WatchKey

use of java.nio.file.WatchKey in project javaee7-samples by javaee-samples.

the class WatchingThread method run.

public void run() {
    while (true) {
        try {
            WatchKey watchKey = watchService.take();
            if (watchKey != null) {
                dispatchEvents(watchKey.pollEvents(), resourceAdapter.getListener(watchKey));
                watchKey.reset();
            }
        } catch (ClosedWatchServiceException e) {
            return;
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

Example 40 with WatchKey

use of java.nio.file.WatchKey in project javaee7-samples by javaee-samples.

the class FileSystemWatcherResourceAdapter method endpointActivation.

@Override
public void endpointActivation(MessageEndpointFactory endpointFactory, ActivationSpec activationSpec) throws ResourceException {
    out.println(this.getClass().getSimpleName() + " resource adapater endpoint activated for " + endpointFactory.getEndpointClass());
    FileSystemWatcherActivationSpec fsWatcherAS = (FileSystemWatcherActivationSpec) activationSpec;
    try {
        WatchKey watchKey = fileSystem.getPath(fsWatcherAS.getDir()).register(watchService, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
        listeners.put(watchKey, endpointFactory);
        endpointFactoryToBeanClass.put(endpointFactory, endpointFactory.getEndpointClass());
    } catch (IOException e) {
        throw new ResourceException(e);
    }
}