Example usage for java.nio.file Files newDirectoryStream

Introduction

In this page you can find the example usage for java.nio.file Files newDirectoryStream.

Prototype

public static DirectoryStream<Path> newDirectoryStream(Path dir) throws IOException 

Source Link

Document

Opens a directory, returning a DirectoryStream to iterate over all entries in the directory.

Usage

From source file:org.corehunter.tests.data.simple.SimpleBiAllelicGenotypeDataTest.java

@Test
public void erroneousFiles() throws IOException {
    System.out.println(" |- Test erroneous files:");
    Path dir = Paths.get(SimpleBiAllelicGenotypeDataTest.class.getResource(ERRONEOUS_FILES_DIR).getPath());
    try (DirectoryStream<Path> directory = Files.newDirectoryStream(dir)) {
        for (Path file : directory) {
            System.out.print("  |- " + file.getFileName().toString() + ": ");
            FileType type = file.toString().endsWith(".txt") ? FileType.TXT : FileType.CSV;
            boolean thrown = false;
            try {
                SimpleBiAllelicGenotypeData.readData(file, type);
            } catch (IOException ex) {
                thrown = true;/* w  w w.  j  a v a2s  . co  m*/
                System.out.print(ex.getMessage());
            } finally {
                System.out.println();
            }
            assertTrue("File " + file + " should throw exception.", thrown);
        }
    }
}

---

From source file:org.roda.core.migration.MigrationManager.java

private List<String> getSolrCollections(Path indexConfigsFolder) {
    List<String> solrCollections = new ArrayList<>();
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(indexConfigsFolder)) {
        stream.forEach(e -> {//from  w  w w  .j  a v  a  2  s.c  o  m
            if (FSUtils.isDirectory(e)) {
                solrCollections.add(e.getFileName().toString());
            }
        });
    } catch (IOException e) {
        // do nothing
    }
    return solrCollections;
}

---

From source file:org.wso2.carbon.apimgt.rest.api.admin.utils.FileBasedApplicationImportExportManager.java

/**
 * Queries the list of directories available under a root directory path
 *
 * @param path full path of the root directory
 * @return Set of directory path under the root directory given by path
 * @throws IOException if an error occurs while listing directories
 *///  w  w  w  .j av  a2 s .c  om
private Set<String> getDirectoryList(String path) throws IOException {
    Set<String> directoryNames = new HashSet<>();
    try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(Paths.get(path))) {
        for (Path directoryPath : directoryStream) {
            directoryNames.add(directoryPath.toString());
        }
    }
    return directoryNames;
}

---

From source file:at.tfr.securefs.ui.CopyFilesServiceBean.java

private Path validateToPath(String toPathName, ProcessFilesData pfd) throws IOException {
    Path to = Paths.get(toPathName);
    if (Files.exists(to, LinkOption.NOFOLLOW_LINKS)) {
        if (Files.isSameFile(to, Paths.get(pfd.getFromRootPath()))) {
            throw new IOException("Path " + to + " may not be same as FromPath: " + pfd.getFromRootPath());
        }//from w  ww. j av a 2 s  . co m
        if (!Files.isDirectory(to, LinkOption.NOFOLLOW_LINKS)) {
            throw new IOException("Path " + to + " is no directory");
        }
        if (!Files.isWritable(to)) {
            throw new IOException("Path " + to + " is not writable");
        }
        if (!Files.isExecutable(to)) {
            throw new IOException("Path " + to + " is not executable");
        }
        if (!pfd.isAllowOverwriteExisting()) {
            if (Files.newDirectoryStream(to).iterator().hasNext()) {
                throw new IOException("Path " + to + " is not empty, delete content copy.");
            }
        }
    }
    return to;
}

---

From source file:com.cinchapi.concourse.server.plugin.PluginManager.java

/**
 * Get all the {@link Plugin plugins} in the {@code bundle} and
 * {@link #launch(String, Path, Class, List) launch} them each in a separate
 * JVM.//from   w w  w .  j a  va2  s . co m
 * 
 * @param bundle the path to a bundle directory, which is a sub-directory of
 *            the {@link #home} directory.
 * @param runAfterInstallHook a flag that indicates whether the
 *            {@link Plugin#afterInstall()} hook should be run
 */
protected void activate(String bundle, boolean runAfterInstallHook) {
    try {
        String lib = home + File.separator + bundle + File.separator + "lib" + File.separator;
        Path prefs = Paths.get(home, bundle, PluginConfiguration.PLUGIN_PREFS_FILENAME);
        Iterator<Path> content = Files.newDirectoryStream(Paths.get(lib)).iterator();

        // Go through all the jars in the plugin's lib directory and compile
        // the appropriate classpath while identifying jars that might
        // contain plugin endpoints.
        List<URL> urls = Lists.newArrayList();
        List<String> classpath = Lists.newArrayList();
        while (content.hasNext()) {
            String filename = content.next().getFileName().toString();
            URL url = new File(lib + filename).toURI().toURL();
            if (!SYSTEM_JARS.contains(filename)) {
                // NOTE: by checking for exact name matches, we will
                // accidentally include system jars that contain different
                // versions.
                urls.add(url);
            }
            classpath.add(url.getFile());
        }

        // Create a ClassLoader that only contains jars with possible plugin
        // endpoints and search for any applicable classes.
        URLClassLoader loader = new URLClassLoader(urls.toArray(new URL[0]), null);
        Class parent = loader.loadClass(Plugin.class.getName());
        Class realTimeParent = loader.loadClass(RealTimePlugin.class.getName());
        Reflections reflection = new Reflections(new ConfigurationBuilder().addClassLoader(loader)
                .addUrls(ClasspathHelper.forClassLoader(loader)));
        Set<Class<?>> plugins = reflection.getSubTypesOf(parent);
        for (final Class<?> plugin : plugins) {
            if (runAfterInstallHook) {
                Object instance = Reflection.newInstance(plugin);
                Reflection.call(instance, "afterInstall");
            }
            launch(bundle, prefs, plugin, classpath);
            startEventLoop(plugin.getName());
            if (realTimeParent.isAssignableFrom(plugin)) {
                initRealTimeStream(plugin.getName());
            }
        }

    } catch (IOException | ClassNotFoundException e) {
        Logger.error("An error occurred while trying to activate the plugin bundle '{}'", bundle, e);
        throw Throwables.propagate(e);
    }
}

---

From source file:org.roda.core.plugins.plugins.base.InventoryReportPlugin.java

@Override
public Report afterAllExecute(IndexService index, ModelService model, StorageService storage)
        throws PluginException {
    CSVFormat csvFileFormat = CSVFormat.DEFAULT.withRecordSeparator("\n");
    Path csvTempFolder = getJobCSVTempFolder();

    if (csvTempFolder != null) {
        List<Path> partials = new ArrayList<>();
        try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(csvTempFolder);
                FileWriter fileWriter = new FileWriter(output.toFile());
                CSVPrinter csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat);) {
            if (enableHeaders) {
                csvFilePrinter.printRecord(fields);
            }//  ww  w .  ja v  a 2  s.  co m
            for (Path path : directoryStream) {
                partials.add(path);
            }
        } catch (IOException e) {
            LOGGER.error("Error while merging partial CSVs", e);
        }
        try {
            InventoryReportPluginUtils.mergeFiles(partials, output);
            FSUtils.deletePathQuietly(csvTempFolder);
        } catch (IOException e) {
            LOGGER.error("Error while merging partial CSVs", e);
        }
    }
    return new Report();
}

---

From source file:org.corehunter.tests.data.simple.SimpleFrequencyGenotypeDataTest.java

@Test
public void erroneousFiles() throws IOException {
    System.out.println(" |- Test erroneous files:");
    Path dir = Paths.get(SimpleFrequencyGenotypeDataTest.class.getResource(ERRONEOUS_FILES_DIR).getPath());
    try (DirectoryStream<Path> directory = Files.newDirectoryStream(dir)) {
        for (Path file : directory) {
            System.out.print("  |- " + file.getFileName().toString() + ": ");
            FileType type = file.toString().endsWith(".txt") ? FileType.TXT : FileType.CSV;
            boolean thrown = false;
            try {
                SimpleFrequencyGenotypeData.readData(file, type);
            } catch (IOException ex) {
                thrown = true;//from w  w  w .  jav  a 2 s .c o m
                System.out.print(ex.getMessage());
            } finally {
                System.out.println();
            }
            assertTrue("File " + file + " should throw exception.", thrown);
        }
    }
}

---

From source file:org.structr.rest.resource.LogResource.java

private void collectFilesAndStore(final Context context, final Path dir, final int level)
        throws FrameworkException {

    if (level == 1) {
        logger.log(Level.INFO, "Path {0}", dir);
    }//from   w w w  .j a va 2s .co  m

    try (final DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {

        for (final Path p : stream) {

            if (Files.isDirectory(p)) {

                collectFilesAndStore(context, p, level + 1);

            } else {

                context.update(storeLogEntry(p));

                // update object count and commit
                context.commit(true);
            }

            Files.delete(p);

        }

    } catch (IOException ioex) {
        ioex.printStackTrace();
    }
}

---

From source file:org.codice.ddf.catalog.content.impl.FileSystemStorageProvider.java

private List<Path> listPaths(Path dir) throws IOException {
    List<Path> result = new ArrayList<>();
    if (Files.exists(dir)) {
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
            for (Path entry : stream) {
                result.add(entry);//w  w  w. ja  v a 2s  .c  o  m
            }
        } catch (DirectoryIteratorException ex) {
            // I/O error encounted during the iteration, the cause is an IOException
            throw ex.getCause();
        }
    }
    return result;
}

---

From source file:org.tinymediamanager.core.tvshow.TvShowRenamer.java

private static void cleanEmptyDir(Path dir) {
    try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(dir)) {
        if (!directoryStream.iterator().hasNext()) {
            // no iterator = empty
            LOGGER.debug("Deleting empty Directory " + dir);
            Files.delete(dir); // do not use recursive her
            return;
        }//from ww w. j  a v  a  2s  .c o  m
    } catch (IOException ex) {
    }

    // FIXME: recursive backward delete?! why?!
    // if (Files.isDirectory(dir)) {
    // cleanEmptyDir(dir.getParent());
    // }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• »