Example usage for java.nio.file Path getFileSystem

Introduction

In this page you can find the example usage for java.nio.file Path getFileSystem.

Prototype

FileSystem getFileSystem();

Source Link

Document

Returns the file system that created this object.

Usage

From source file:org.brekka.stillingar.spring.snapshot.WatchedResourceMonitor.java

@Override
public void initialise(Resource resource) {
    try {/*from w w w  . j a  v a2s  .  co m*/
        this.resourceFile = resource.getFile().toPath();
        Path parent = resourceFile.getParent();
        this.watchService = parent.getFileSystem().newWatchService();
        this.watchKey = parent.register(this.watchService, StandardWatchEventKinds.ENTRY_MODIFY,
                StandardWatchEventKinds.ENTRY_CREATE);
    } catch (IOException e) {
        throw new ConfigurationException(
                String.format("Failed to initialize watcher for resource '%s'", resource.toString()), e);
    }
}

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From source file:org.elasticsearch.plugins.SitePluginRelativePathConfigIT.java

private String getRelativePath(Path path) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < path.getNameCount(); i++) {
        sb.append("..");
        sb.append(path.getFileSystem().getSeparator());
    }//from w ww.  j a v a  2 s. c  om

    return sb.toString();
}

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From source file:de.tiqsolutions.hdfs.HadoopFileSystemPath.java

@Override
public int compareTo(Path other) {
    if (!fileSystem.equals(other.getFileSystem()))
        throw new IllegalArgumentException();
    return base.compareTo(((HadoopFileSystemPath) other).base);
}

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From source file:acromusashi.stream.ml.common.spout.WatchTextBatchSpout.java

/**
 * ???????????????????/*  w w  w  .j  a va2s .c  o m*/
 * 
 * @param collector Collector
 * @throws IOException 
 * @throws InterruptedException ?
 */
@SuppressWarnings({ "rawtypes" })
protected void checkDataFile(TridentCollector collector) throws IOException, InterruptedException {
    // ?????????????????
    if (this.isInitialReaded == false) {
        List<String> fileContents = FileUtils.readLines(this.targetFile);
        emitTuples(fileContents, collector);
        this.isInitialReaded = true;

        // 
        Path dirPath = new File(this.dataFileDir).toPath();
        FileSystem fileSystem = dirPath.getFileSystem();
        this.watcherService = fileSystem.newWatchService();
        this.watchKey = dirPath.register(this.watcherService,
                new Kind[] { StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_MODIFY });

        return;
    }

    // ????????
    WatchKey detectedKey = this.watcherService.poll(1, TimeUnit.SECONDS);

    // ???????????????????????
    if (detectedKey == null || detectedKey.equals(this.watchKey) == false) {
        return;
    }

    try {
        // ???????????????
        for (WatchEvent event : detectedKey.pollEvents()) {

            Path filePath = (Path) event.context();

            // ?????????????
            if (filePath == null
                    || this.targetFile.toPath().getFileName().equals(filePath.getFileName()) == false) {
                continue;
            }

            List<String> fileContents = FileUtils.readLines(this.targetFile);
            emitTuples(fileContents, collector);
        }
    } finally {
        detectedKey.reset();
    }
}

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From source file:codes.writeonce.maven.plugins.soy.CompileMojo.java

private Path getJavaSourceOutputPath() {
    final Path javaOutputPath = javaOutputDirectory.toPath();
    final Path javapackageSubpath = javaOutputPath.getFileSystem().getPath("", javaPackage.split("\\."));
    return javaOutputPath.resolve(javapackageSubpath);
}

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From source file:com.spotify.helios.servicescommon.PersistentAtomicReference.java

private PersistentAtomicReference(final Path filename, final JavaType javaType,
        final Supplier<? extends T> initialValue) throws IOException, InterruptedException {
    try {/* w w  w  .  j  av a2s. c  o m*/
        this.filename = filename.toAbsolutePath();
        this.tempfilename = filename.getFileSystem().getPath(this.filename.toString() + ".tmp");
        if (Files.exists(filename)) {
            final byte[] bytes = Files.readAllBytes(filename);
            if (bytes.length > 0) {
                value = Json.read(bytes, javaType);
            } else {
                value = initialValue.get();
            }
        } else {
            value = initialValue.get();
        }
    } catch (InterruptedIOException | ClosedByInterruptException e) {
        throw new InterruptedException(e.getMessage());
    }
}

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From source file:io.gravitee.gateway.services.localregistry.LocalApiDefinitionRegistry.java

@Override
protected void doStart() throws Exception {
    if (enabled) {
        super.doStart();

        this.init();

        executor = Executors.newSingleThreadExecutor(r -> new Thread(r, "registry-monitor"));
        executor.execute(() -> {/*ww w.j a  v  a 2s.c  o  m*/
            Path registry = Paths.get(registryPath);
            LOGGER.info("Start local registry monitor for directory {}", registry);

            try {
                WatchService watcher = registry.getFileSystem().newWatchService();
                registry.register(watcher, StandardWatchEventKinds.ENTRY_CREATE,
                        StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY);

                while (true) {
                    WatchKey key;
                    try {
                        key = watcher.take();
                    } catch (InterruptedException ex) {
                        return;
                    }

                    for (WatchEvent<?> event : key.pollEvents()) {
                        WatchEvent.Kind<?> kind = event.kind();

                        @SuppressWarnings("unchecked")
                        WatchEvent<Path> ev = (WatchEvent<Path>) event;
                        Path fileName = registry.resolve(ev.context().getFileName());

                        LOGGER.info("An event occurs for file {}: {}", fileName, kind.name());

                        if (kind == StandardWatchEventKinds.ENTRY_MODIFY) {
                            Api loadedDefinition = loadDefinition(fileName.toFile());
                            Api existingDefinition = definitions.get(fileName);
                            if (existingDefinition != null) {
                                if (apiManager.get(existingDefinition.getId()) != null) {
                                    apiManager.update(loadedDefinition);
                                } else {
                                    apiManager.undeploy(existingDefinition.getId());
                                    definitions.remove(fileName);
                                    apiManager.deploy(loadedDefinition);
                                    definitions.put(fileName, loadedDefinition);
                                }
                            }
                        } else if (kind == StandardWatchEventKinds.ENTRY_CREATE) {
                            Api loadedDefinition = loadDefinition(fileName.toFile());
                            Api existingDefinition = apiManager.get(loadedDefinition.getId());
                            if (existingDefinition != null) {
                                apiManager.update(loadedDefinition);
                            } else {
                                apiManager.deploy(loadedDefinition);
                                definitions.put(fileName, loadedDefinition);
                            }
                        } else if (kind == StandardWatchEventKinds.ENTRY_DELETE) {
                            Api existingDefinition = definitions.get(fileName);
                            if (existingDefinition != null
                                    && apiManager.get(existingDefinition.getId()) != null) {
                                apiManager.undeploy(existingDefinition.getId());
                                definitions.remove(fileName);
                            }
                        }

                        boolean valid = key.reset();
                        if (!valid) {
                            break;
                        }
                    }
                }
            } catch (IOException ioe) {
                LOGGER.error("Unexpected error while looking for PI definitions from filesystem", ioe);
            }
        });
    }
}

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From source file:de.tiqsolutions.hdfs.HadoopFileSystemProvider.java

@Override
public FileStore getFileStore(Path path) throws IOException {
    for (FileStore fs : path.getFileSystem().getFileStores()) {
        return fs;
    }/*  w ww  .  ja va  2s  . c  o m*/
    return null;
}

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From source file:de.tiqsolutions.hdfs.HadoopFileSystemProvider.java

@Override
public boolean isHidden(Path path) throws IOException {
    FileSystem fs = path.getFileSystem();
    if (!HadoopFileSystem.class.isInstance(fs))
        throw new IllegalArgumentException("path");
    try {/*  ww  w.  ja  va2  s . c om*/
        return readAttributes(path, HadoopFileAttributes.class).isHidden();
    } catch (RemoteException e) {
        rethrowRemoteException(e, path);
        return false;
    }
}

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From source file:de.tiqsolutions.hdfs.HadoopFileSystemProvider.java

public void delete(Path path, boolean recursive) throws IOException {
    FileSystem fs = path.getFileSystem();
    if (!HadoopFileSystem.class.isInstance(fs))
        throw new IllegalArgumentException("path");
    try {// w w  w .  j  a  va 2s.co m
        ((HadoopFileSystem) fs).delete(path, recursive);
    } catch (RemoteException e) {
        rethrowRemoteException(e, path);
    }
}

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