Example usage for java.nio.file FileSystems newFileSystem

Introduction

In this page you can find the example usage for java.nio.file FileSystems newFileSystem.

Prototype

public static FileSystem newFileSystem(Path path, Map<String, ?> env) throws IOException 

Source Link

Document

Constructs a new FileSystem to access the contents of a file as a file system.

Usage

From source file:Test.java

public static void main(String[] args) throws Exception {
    Map<String, String> attributes = new HashMap<>();
    attributes.put("create", "true");
    URI zipFile = URI.create("jar:file:/home.zip");
    try (FileSystem zipFileSys = FileSystems.newFileSystem(zipFile, attributes);) {
        Path path = zipFileSys.getPath("docs");
        Files.createDirectory(path);
        try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(zipFileSys.getPath("/"));) {
            for (Path file : directoryStream) {
                System.out.println(file.getFileName());
            }/*from   w  ww . j  av a 2  s  .c om*/
        }
    }
}

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From source file:Main.java

private static FileSystem createZipFileSystem(String zipFilename, boolean create) throws IOException {
    final Path path = Paths.get(zipFilename);
    final URI uri = URI.create("jar:file:" + path.toUri().getPath());

    final Map<String, String> env = new HashMap<>();
    if (create) {
        env.put("create", "true");
    }//from   w w  w  .  ja va 2s  .c o  m
    return FileSystems.newFileSystem(uri, env);
}

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From source file:org.apdplat.superword.tools.JavaCodeAnalyzer.java

public static Map<String, AtomicInteger> parseZip(String zipFile) {
    LOGGER.info("?ZIP" + zipFile);
    Map<String, AtomicInteger> data = new HashMap<>();
    try (FileSystem fs = FileSystems.newFileSystem(Paths.get(zipFile),
            JavaCodeAnalyzer.class.getClassLoader())) {
        for (Path path : fs.getRootDirectories()) {
            LOGGER.info("?" + path);
            Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

                @Override//ww w . j  a v  a 2  s . co  m
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    LOGGER.info("?" + file);
                    // ?
                    Path temp = Paths.get("target/java-source-code.txt");
                    Files.copy(file, temp, StandardCopyOption.REPLACE_EXISTING);
                    Map<String, AtomicInteger> r = parseFile(temp.toFile().getAbsolutePath());
                    r.keySet().forEach(k -> {
                        data.putIfAbsent(k, new AtomicInteger());
                        data.get(k).addAndGet(r.get(k).get());
                    });
                    r.clear();
                    return FileVisitResult.CONTINUE;
                }

            });
        }
    } catch (Exception e) {
        LOGGER.error("?ZIP", e);
    }
    return data;
}

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From source file:net.formicary.remoterun.common.test.FileStreamerTest.java

@Test
public void testDirectory() throws URISyntaxException, IOException {
    try (FileSystem zipfs = FileSystems
            .newFileSystem(Paths.get(getClass().getResource("/example_directory.zip").toURI()), null);
            FileReceiver fileReceiver = new FileReceiver(tempDirectory)) {
        new Thread(fileReceiver).start();
        new FileStreamer(zipfs.getPath("/example"), new MyFileStreamerCallback(fileReceiver)).run();
        fileReceiver.waitUntilFinishedUninterruptably();
        Assert.assertTrue(fileReceiver.success(), fileReceiver.getFailureMessage());
    }//w w w .jav  a  2 s  . co m
}

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From source file:net.formicary.remoterun.common.test.StreamToFileReceiver.java

@Test
public void testDirectory() throws URISyntaxException, IOException {
    try (FileSystem zipfs = FileSystems
            .newFileSystem(Paths.get(getClass().getResource("/example_directory.zip").toURI()), null);
            FileReceiver fileReceiver = new FileReceiver(tempDirectory)) {
        new Thread(fileReceiver).start();
        new FileStreamer(zipfs.getPath("/example"), new MyFileStreamerCallback(fileReceiver)).run();
        fileReceiver.waitUntilFinishedUninterruptably();
        Assert.assertTrue(fileReceiver.success(), fileReceiver.getFailureMessage());
    }//from   www .j a  va2  s .  c o  m
    Assert.assertTrue(Files.isDirectory(tempDirectory.resolve("example")));
    Assert.assertTrue(Files.isDirectory(tempDirectory.resolve("example/test/.git")));
    Assert.assertTrue(Files.isRegularFile(tempDirectory.resolve("example/test/hello.txt")));
}

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From source file:notaql.performance.PerformanceTest.java

public static void runTests() throws URISyntaxException, IOException {
    URI basePath = NotaQL.class.getResource(BASE_PATH).toURI();

    Map<String, String> env = new HashMap<>();
    env.put("create", "true");
    FileSystem zipfs = FileSystems.newFileSystem(basePath, env);

    final List<Path> tests = Files.list(Paths.get(basePath)).filter(p -> p.toString().endsWith(".json"))
            .sorted((a, b) -> a.toString().compareTo(b.toString())).collect(Collectors.toList());

    List<String> csv = new LinkedList<>();

    for (Path test : tests) {
        if (testCase != null && !test.getFileName().toString().equals(testCase))
            continue;

        final List<JSONObject> transformations = readArray(test);

        csv.add(test.getFileName().toString());

        int i = 1;

        for (JSONObject transformation : transformations) {
            final String name = transformation.getString("name");
            final String notaqlTransformation = composeTransformation(transformation);

            if (!(inEngine == null && outEngine == null
                    || inEngine != null//from   w w  w  .j  a v  a  2  s.  c o m
                            && transformation.getJSONObject("IN-ENGINE").getString("engine").equals(inEngine)
                    || outEngine != null && transformation.getJSONObject("OUT-ENGINE").getString("engine")
                            .equals(outEngine)))
                continue;

            System.out.println("Evaluation test (" + i++ + "/" + transformations.size() + "): "
                    + test.getFileName() + ": " + name);

            List<Duration> durations = new LinkedList<>();

            for (int j = 0; j < RUNS; j++) {
                clean(transformation);

                final Instant startTime = Instant.now();

                NotaQL.evaluate(notaqlTransformation);

                final Instant endTime = Instant.now();

                final Duration duration = Duration.between(startTime, endTime);

                durations.add(duration);

                System.out.println("Testrun(" + j + ") " + name + " took: " + duration);
            }

            System.out.println("!!=================================================================!!");

            System.out.println("Test " + name + " took: "
                    + durations.stream().map(Duration::toString).collect(Collectors.joining(", ")));

            System.out.println("Test " + name + " took millis: " + durations.stream()
                    .map(d -> Long.toString(d.toMillis())).collect(Collectors.joining(", ")));

            System.out.println("Test " + name + " took on average (millis): "
                    + durations.stream().mapToLong(Duration::toMillis).average());

            System.out.println("Test " + name + " took on average (ignoring first - millis): "
                    + durations.stream().skip(1).mapToLong(Duration::toMillis).average());

            System.out.println("!!=================================================================!!");

            csv.add(name);
            csv.add(durations.stream().map(d -> Long.toString(d.toMillis())).collect(Collectors.joining(",")));
        }

    }

    System.out.println(csv.stream().collect(Collectors.joining("\n")));
}

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From source file:org.cryptomator.cryptofs.CryptoFileSystemProviderIntegrationTest.java

@Test
public void testGetFsViaNioApi() throws IOException {
    URI fsUri = CryptoFileSystemUris.createUri(tmpPath);
    FileSystem fs = FileSystems.newFileSystem(fsUri,
            cryptoFileSystemProperties().withPassphrase("asd").build());
    Assert.assertTrue(fs instanceof CryptoFileSystemImpl);
    Assert.assertTrue(Files.exists(tmpPath.resolve("masterkey.cryptomator")));
    FileSystem fs2 = FileSystems.getFileSystem(fsUri);
    Assert.assertSame(fs, fs2);/*from w  w w . j  a va  2  s.  co  m*/
}

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From source file:org.apdplat.superword.extract.PhraseExtractor.java

public static Set<String> parseZip(String zipFile) {
    Set<String> data = new HashSet<>();
    LOGGER.info("?ZIP" + zipFile);
    try (FileSystem fs = FileSystems.newFileSystem(Paths.get(zipFile),
            PhraseExtractor.class.getClassLoader())) {
        for (Path path : fs.getRootDirectories()) {
            LOGGER.info("?" + path);
            Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

                @Override//from w ww  .  ja  v  a2 s . c  om
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    LOGGER.info("?" + file);
                    // ?
                    Path temp = Paths.get("target/origin-html-temp.txt");
                    Files.copy(file, temp, StandardCopyOption.REPLACE_EXISTING);
                    data.addAll(parseFile(temp.toFile().getAbsolutePath()));
                    return FileVisitResult.CONTINUE;
                }

            });
        }
    } catch (Exception e) {
        LOGGER.error("?", e);
    }
    return data;
}

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From source file:org.ballerinalang.repository.fs.ClasspathPackageRepository.java

private static void initFS(URI uri) throws IOException {
    if (JAR_URI_SCHEME.equals(uri.getScheme())) {
        Map<String, String> env = new HashMap<>();
        env.put("create", "true");
        try {/*from   w w w.  ja v a2 s.com*/
            FileSystems.newFileSystem(uri, env);
        } catch (FileSystemAlreadyExistsException ignore) {
        }
    }
}

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From source file:org.apdplat.superword.extract.DefinitionExtractor.java

public static Set<Word> parseZip(String zipFile) {
    Set<Word> data = new HashSet<>();
    LOGGER.info("?ZIP" + zipFile);
    try (FileSystem fs = FileSystems.newFileSystem(Paths.get(zipFile), WordClassifier.class.getClassLoader())) {
        for (Path path : fs.getRootDirectories()) {
            LOGGER.info("?" + path);
            Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

                @Override//w w w .  j  a v a 2  s  .co m
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    LOGGER.info("?" + file);
                    // ?
                    Path temp = Paths.get("target/origin-html-temp.txt");
                    Files.copy(file, temp, StandardCopyOption.REPLACE_EXISTING);
                    data.addAll(parseFile(temp.toFile().getAbsolutePath()));
                    return FileVisitResult.CONTINUE;
                }

            });
        }
    } catch (Exception e) {
        LOGGER.error("?", e);
    }
    return data;
}

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