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

Example 66 with FileSystem

use of java.nio.file.FileSystem in project lucene-solr by apache.

the class TestIOUtils method testNVME.

public void testNVME() throws Exception {
    assumeFalse("windows is not supported", Constants.WINDOWS);
    Path dir = createTempDir();
    dir = FilterPath.unwrap(dir).toRealPath();
    // fake ssd
    FileStore root = new MockFileStore(dir.toString() + " (/dev/nvme0n1p1)", "btrfs", "/dev/nvme0n1p1");
    // make a fake /dev/nvme0n1p1 for it
    Path devdir = dir.resolve("dev");
    Files.createDirectories(devdir);
    Files.createFile(devdir.resolve("nvme0n1p1"));
    // make a fake /sys/block/nvme0n1/queue/rotational file for it
    Path sysdir = dir.resolve("sys").resolve("block").resolve("nvme0n1").resolve("queue");
    Files.createDirectories(sysdir);
    try (OutputStream o = Files.newOutputStream(sysdir.resolve("rotational"))) {
        o.write("0\n".getBytes(StandardCharsets.US_ASCII));
    }
    // As test for the longest path match, add some other devices (that have no queue/rotational), too:
    Files.createFile(dir.resolve("sys").resolve("block").resolve("nvme0"));
    Files.createFile(dir.resolve("sys").resolve("block").resolve("dummy"));
    Files.createFile(dir.resolve("sys").resolve("block").resolve("nvm"));
    Map<String, FileStore> mappings = Collections.singletonMap(dir.toString(), root);
    FileSystem mockLinux = new MockLinuxFileSystemProvider(dir.getFileSystem(), mappings, dir).getFileSystem(null);
    Path mockPath = mockLinux.getPath(dir.toString());
    assertFalse(IOUtils.spinsLinux(mockPath));
}

Example 67 with FileSystem

use of java.nio.file.FileSystem in project lucene-solr by apache.

the class TestIOUtils method testNfsSpins.

public void testNfsSpins() throws Exception {
    Path dir = createTempDir();
    dir = FilterPath.unwrap(dir).toRealPath();
    // fake nfs
    FileStore root = new MockFileStore(dir.toString() + " (somenfsserver:/some/mount)", "nfs", "somenfsserver:/some/mount");
    Map<String, FileStore> mappings = Collections.singletonMap(dir.toString(), root);
    FileSystem mockLinux = new MockLinuxFileSystemProvider(dir.getFileSystem(), mappings, dir).getFileSystem(null);
    Path mockPath = mockLinux.getPath(dir.toString());
    assertTrue(IOUtils.spinsLinux(mockPath));
}

Example 68 with FileSystem

use of java.nio.file.FileSystem in project lucene-solr by apache.

the class TestIOUtils method testRotatingPlatters.

public void testRotatingPlatters() throws Exception {
    assumeFalse("windows is not supported", Constants.WINDOWS);
    Path dir = createTempDir();
    dir = FilterPath.unwrap(dir).toRealPath();
    // fake ssd
    FileStore root = new MockFileStore(dir.toString() + " (/dev/zzz1)", "reiser4", "/dev/zzz1");
    // make a fake /dev/zzz1 for it
    Path devdir = dir.resolve("dev");
    Files.createDirectories(devdir);
    Files.createFile(devdir.resolve("zzz1"));
    // make a fake /sys/block/zzz/queue/rotational file for it
    Path sysdir = dir.resolve("sys").resolve("block").resolve("zzz").resolve("queue");
    Files.createDirectories(sysdir);
    try (OutputStream o = Files.newOutputStream(sysdir.resolve("rotational"))) {
        o.write("1\n".getBytes(StandardCharsets.US_ASCII));
    }
    Map<String, FileStore> mappings = Collections.singletonMap(dir.toString(), root);
    FileSystem mockLinux = new MockLinuxFileSystemProvider(dir.getFileSystem(), mappings, dir).getFileSystem(null);
    Path mockPath = mockLinux.getPath(dir.toString());
    assertTrue(IOUtils.spinsLinux(mockPath));
}

Example 69 with FileSystem

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

the class ResolverUtilTest method createJar.

static void createJar(final URI jarURI, final File workDir, final File f) throws Exception {
    final Map<String, String> env = new HashMap<>();
    env.put("create", "true");
    final URI uri = URI.create("jar:file://" + jarURI.getRawPath());
    try (FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
        final Path path = zipfs.getPath(workDir.toPath().relativize(f.toPath()).toString());
        if (path.getParent() != null) {
            Files.createDirectories(path.getParent());
        }
        Files.copy(f.toPath(), path, StandardCopyOption.REPLACE_EXISTING);
    }
}

Example 70 with FileSystem

use of java.nio.file.FileSystem in project beam by apache.

the class ApexYarnLauncher method createJar.

/**
   * Create a jar file from the given directory.
   * @param dir source directory
   * @param jarFile jar file name
   * @throws IOException when file cannot be created
   */
public static void createJar(File dir, File jarFile) throws IOException {
    final Map<String, ?> env = Collections.singletonMap("create", "true");
    if (jarFile.exists() && !jarFile.delete()) {
        throw new RuntimeException("Failed to remove " + jarFile);
    }
    URI uri = URI.create("jar:" + jarFile.toURI());
    try (final FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
        File manifestFile = new File(dir, JarFile.MANIFEST_NAME);
        Files.createDirectory(zipfs.getPath("META-INF"));
        try (final OutputStream out = Files.newOutputStream(zipfs.getPath(JarFile.MANIFEST_NAME))) {
            if (!manifestFile.exists()) {
                new Manifest().write(out);
            } else {
                FileUtils.copyFile(manifestFile, out);
            }
        }
        final java.nio.file.Path root = dir.toPath();
        Files.walkFileTree(root, new java.nio.file.SimpleFileVisitor<Path>() {

            String relativePath;

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                relativePath = root.relativize(dir).toString();
                if (!relativePath.isEmpty()) {
                    if (!relativePath.endsWith("/")) {
                        relativePath += "/";
                    }
                    if (!relativePath.equals("META-INF/")) {
                        final Path dstDir = zipfs.getPath(relativePath);
                        Files.createDirectory(dstDir);
                    }
                }
                return super.preVisitDirectory(dir, attrs);
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String name = relativePath + file.getFileName();
                if (!JarFile.MANIFEST_NAME.equals(name)) {
                    try (final OutputStream out = Files.newOutputStream(zipfs.getPath(name))) {
                        FileUtils.copyFile(file.toFile(), out);
                    }
                }
                return super.visitFile(file, attrs);
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                relativePath = root.relativize(dir.getParent()).toString();
                if (!relativePath.isEmpty() && !relativePath.endsWith("/")) {
                    relativePath += "/";
                }
                return super.postVisitDirectory(dir, exc);
            }
        });
    }
}