Example usage for java.nio.file Files walkFileTree

List of usage examples for java.nio.file Files walkFileTree

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Introduction

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

Prototype

public static Path walkFileTree(Path start, FileVisitor<? super Path> visitor) throws IOException

Source Link

Document

Walks a file tree.

Usage

From source file:de.alexkamp.sandbox.ChrootSandboxFactory.java

@Override
public void deleteSandbox(final SandboxData sandbox) {
    File copyDir = sandbox.getBaseDir();

    try {/*  w w w . ja v  a 2s. co  m*/
        final AtomicInteger depth = new AtomicInteger(0);
        Files.walkFileTree(copyDir.toPath(), new FileVisitor<Path>() {
            @Override
            public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes basicFileAttributes)
                    throws IOException {
                int d = depth.getAndIncrement();

                // see whether the mounts are gone
                if (1 == d) {
                    for (Mount m : sandbox) {
                        if (path.endsWith(m.getMountPoint().substring(1))) {
                            if (0 != path.toFile().listFiles().length) {
                                throw new IllegalArgumentException(
                                        path.getFileName() + " has not been unmounted.");
                            }
                        }
                    }
                }

                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFile(Path path, BasicFileAttributes basicFileAttributes)
                    throws IOException {
                Files.delete(path);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path path, IOException e) throws IOException {
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path path, IOException e) throws IOException {
                Files.delete(path);
                depth.decrementAndGet();
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        throw new SandboxException(e);
    }
}

From source file:org.sonarsource.commandlinezip.ZipUtils7.java

public static void smartReportZip(final Path srcDir, Path zip) throws IOException {
    try (final OutputStream out = FileUtils.openOutputStream(zip.toFile());
            final ZipOutputStream zout = new ZipOutputStream(out)) {
        Files.walkFileTree(srcDir, new SimpleFileVisitor<Path>() {
            @Override//w w w.  ja v a 2s.  c o  m
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                try (InputStream in = new BufferedInputStream(new FileInputStream(file.toFile()))) {
                    String entryName = srcDir.relativize(file).toString();
                    int level = file.toString().endsWith(".pb") ? ZipOutputStream.STORED
                            : Deflater.DEFAULT_COMPRESSION;
                    zout.setLevel(level);
                    ZipEntry entry = new ZipEntry(entryName);
                    zout.putNextEntry(entry);
                    IOUtils.copy(in, zout);
                    zout.closeEntry();
                }
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                if (dir.equals(srcDir)) {
                    return FileVisitResult.CONTINUE;
                }

                String entryName = srcDir.relativize(dir).toString();
                ZipEntry entry = new ZipEntry(entryName);
                zout.putNextEntry(entry);
                zout.closeEntry();
                return FileVisitResult.CONTINUE;
            }
        });
    }
}

From source file:io.uploader.drive.util.FileUtils.java

public static Queue<Path> getAllFilesPath(Path srcDir, FileFinderOption option) throws IOException {
    Queue<Path> queue = new ArrayDeque<Path>();
    if (srcDir == null || !Files.isDirectory(srcDir))
        return queue;

    TreePathFinder tpf = new TreePathFinder(queue, option);
    Files.walkFileTree(srcDir, tpf);

    return queue;
}

From source file:org.bonitasoft.platform.configuration.util.FolderComparator.java

public Map<String, File> flattenFolderFiles(File folder) throws IOException {
    Map<String, File> fileMap = new HashMap<>();
    final FlattenFolderVisitor flattenFolderVisitor = new FlattenFolderVisitor(fileMap);
    Files.walkFileTree(folder.toPath(), flattenFolderVisitor);
    return fileMap;
}

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

public static Set<SynonymAntonym> parseZip(String zipFile) {
    Set<SynonymAntonym> 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.  ja  v a 2 s.c  o 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;
}

From source file:io.stallion.dataAccess.file.TomlPersister.java

@Override
public List fetchAll() {
    File target = new File(Settings.instance().getTargetFolder());
    if (!target.isDirectory()) {
        if (getItemController().isWritable()) {
            target.mkdirs();//from  w  ww  .j a  v a2 s .c o  m
        } else {
            throw new ConfigException(String.format(
                    "The TOML bucket %s (path %s) is read-only, but does not exist in the file system. Either create the folder, make it writable, or remove it from the configuration.",
                    getItemController().getBucket(), getBucketFolderPath()));
        }
    }
    TreeVisitor visitor = new TreeVisitor();
    Path folderPath = FileSystems.getDefault().getPath(getBucketFolderPath());
    try {
        Files.walkFileTree(folderPath, visitor);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    List<Object> objects = new ArrayList<>();
    for (Path path : visitor.getPaths()) {
        if (!path.toString().toLowerCase().endsWith(".toml")) {
            continue;
        }
        if (path.toString().contains(".#")) {
            continue;
        }
        Log.fine("Load from toml file " + path);
        if (isManyItemsPerFile()) {
            try {
                Log.finer("Load toml path {0} and items {1}", path.toString(), getItemArrayName());
                String toml = FileUtils.readFileToString(new File(path.toString()), UTF8);
                Toml t = new Toml().read(toml);
                List<HashMap> models = t.getList(getItemArrayName());
                long x = 0;
                for (Map m : models) {
                    x++;
                    T o = getModelClass().newInstance();
                    for (Object key : m.keySet()) {
                        PropertyUtils.setProperty(o, key.toString(), m.get(key));
                    }
                    Log.info("add item {0}", ((MappedModel) o).get("title"));
                    if (empty(o.getId())) {
                        o.setId(x);
                    }
                    handleFetchOne(o);
                    objects.add(o);
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            } catch (IllegalAccessException e) {
                throw new RuntimeException(e);
            } catch (InstantiationException e) {
                throw new RuntimeException(e);
            }

        } else {
            objects.add(fetchOne(path.toString()));
        }

    }
    return objects;
}

From source file:server.tools.ServerRecovery.java

/**
 * Starts the recovery process./*ww  w.  jav  a2  s  .co m*/
 * 
 * @return <code>true</code>, if this recovery was successfully executed.
 *         Otherwise, <code>false</code>.
 */
public boolean execute() {
    try {
        Files.walkFileTree(filesPath, new DeleteOrphanVisitor(filesPath));
        return true;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:org.jetbrains.webdemo.backend.executor.ExecutorUtils.java

public static ExecutionResult executeCompiledFiles(Map<String, byte[]> files, String mainClass,
        List<Path> kotlinRuntimeJars, String arguments, Path executorsPolicy, boolean isJunit)
        throws Exception {
    Path codeDirectory = null;//from  w w  w . j a  v a2 s.c o  m
    try {
        codeDirectory = storeFilesInTemporaryDirectory(files);
        JavaExecutorBuilder executorBuilder = new JavaExecutorBuilder().enableAssertions().setMemoryLimit(32)
                .enableSecurityManager().setPolicyFile(executorsPolicy).addToClasspath(kotlinRuntimeJars)
                .addToClasspath(jarFiles).addToClasspath(codeDirectory);
        if (isJunit) {
            executorBuilder.addToClasspath(junit);
            executorBuilder.addToClasspath(hamcrest);
            executorBuilder.setMainClass("org.jetbrains.webdemo.executors.JunitExecutor");
            executorBuilder.addArgument(codeDirectory.toString());
        } else {
            executorBuilder.setMainClass("org.jetbrains.webdemo.executors.JavaExecutor");
            executorBuilder.addArgument(mainClass);
        }

        for (String argument : arguments.split(" ")) {
            if (argument.trim().isEmpty())
                continue;
            executorBuilder.addArgument(argument);
        }

        ProgramOutput output = executorBuilder.build().execute();
        return parseOutput(output.getStandardOutput(), isJunit);
    } finally {
        try {
            if (codeDirectory != null) {
                Files.walkFileTree(codeDirectory, new FileVisitor<Path>() {
                    @Override
                    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                            throws IOException {
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                        Files.delete(file);
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                        return FileVisitResult.TERMINATE;
                    }

                    @Override
                    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                        Files.delete(dir);
                        return FileVisitResult.CONTINUE;
                    }
                });
            }
        } catch (IOException e) {
            ErrorWriter.getInstance().writeExceptionToExceptionAnalyzer(e, "Can't delete code directory");
        }
    }
}

From source file:com.excelsiorjet.api.util.Utils.java

public static void copyDirectory(Path source, Path target) throws IOException {
    Files.walkFileTree(source, new FileVisitor<Path>() {

        @Override/*from  ww  w  .j  a v  a2  s .c  om*/
        public FileVisitResult preVisitDirectory(Path subfolder, BasicFileAttributes attrs) throws IOException {
            Files.createDirectories(target.resolve(source.relativize(subfolder)));
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path sourceFile, BasicFileAttributes attrs) throws IOException {
            Path targetFile = target.resolve(source.relativize(sourceFile));
            copyFile(sourceFile, targetFile);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFileFailed(Path sourceFile, IOException e) throws IOException {
            throw new IOException(Txt.s("Utils.CannotCopyFile.Error", sourceFile.toString(), e.getMessage()),
                    e);
        }

        @Override
        public FileVisitResult postVisitDirectory(Path source, IOException ioe) throws IOException {
            return FileVisitResult.CONTINUE;
        }
    });
}

From source file:de.ks.file.FileStoreTest.java

@Before
public void setUp() throws Exception {
    controller.startOrResume(new ActivityHint(AddThoughtActivity.class));

    cleanup.cleanup();//from   ww  w.  j av a2 s.  c  o m
    fileStoreDir = TMPDIR + File.separator + "idnadrevTestStore";
    Options.store(fileStoreDir, FileOptions.class).getFileStoreDir();
    File file = new File(fileStoreDir);
    if (file.exists()) {
        Files.walkFileTree(file.toPath(), new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    }
}