Example usage for java.nio.file Files walkFileTree

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:org.egov.infra.filestore.service.impl.LocalDiskFileStoreServiceTest.java

@AfterClass
public static void afterTest() throws IOException {
    Files.deleteIfExists(tempFilePath);
    Path storePath = Paths.get(System.getProperty("user.home") + File.separator + "testfilestore");
    try {//from  w  ww  . j  a  v a  2s  .c om
        Files.walkFileTree(storePath, 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 {
                if (exc == null) {
                    Files.delete(dir);
                    return FileVisitResult.CONTINUE;
                } else {
                    throw exc;
                }
            }

        });
    } catch (IOException e) {

    }
}

From source file:com.collaborne.jsonschema.generator.pojo.PojoGeneratorSmokeTest.java

@After
public void tearDown() throws IOException {
    // Dump the contents of the file system
    Path dumpStart = fs.getPath("/");
    Files.walkFileTree(dumpStart, new SimpleFileVisitor<Path>() {
        @Override/*from  ww  w . j ava  2s.  c  o m*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            System.out.println("> " + file);
            System.out.println(new String(Files.readAllBytes(file), StandardCharsets.UTF_8));

            // Copy the file if wanted
            if (DUMP_DIRECTORY != null) {
                Path dumpTarget = Paths.get(DUMP_DIRECTORY, name.getMethodName());
                Path target = dumpTarget.resolve(dumpStart.relativize(file).toString());
                Files.createDirectories(target.getParent());
                Files.copy(file, target, StandardCopyOption.REPLACE_EXISTING);
            }
            return FileVisitResult.CONTINUE;
        }
    });
}

From source file:com.marklogic.hub.RestAssetLoader.java

/**
 * For walking one or many paths and loading modules in each of them.
 *///from   ww  w .j  a  va2s. co  m
public Set<File> loadAssetsViaREST(String... paths) {
    currentTransaction = client.openTransaction();
    filesLoaded = new HashSet<>();
    try {
        for (String path : paths) {
            if (logger.isDebugEnabled()) {
                logger.debug(format("Loading assets from path: %s", path));
            }
            this.currentAssetPath = Paths.get(path);
            this.currentRootPath = this.currentAssetPath;
            try {
                Files.walkFileTree(this.currentAssetPath, this);
            } catch (IOException ie) {
                throw new RuntimeException(format("Error while walking assets file tree: %s", ie.getMessage()),
                        ie);
            }
        }
        currentTransaction.commit();
    } catch (Exception e) {
        currentTransaction.rollback();
    }
    return filesLoaded;
}

From source file:it.polimi.diceH2020.SPACE4CloudWS.fileManagement.FileUtility.java

public boolean destroyDir(@NotNull File path) throws IOException {
    Path directory = path.toPath();

    @Getter//from   w  w  w.java2 s . c om
    @Setter
    class BooleanWrapper {
        boolean deleted;
    }
    BooleanWrapper status = new BooleanWrapper();

    Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            status.setDeleted(policy.delete(file.toFile()));
            return FileVisitResult.CONTINUE;
        }

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

    return status.isDeleted();
}

From source file:de.ingrid.interfaces.csw.tools.FileUtils.java

/**
 * Delete a file or directory specified by a {@link Path}. This method uses
 * the new {@link Files} API and allows to specify a regular expression to
 * remove only files that match that expression.
 * /*from  w w  w.  j a va  2s  .  c  o m*/
 * @param path
 * @param pattern
 * @throws IOException
 */
public static void deleteRecursive(Path path, final String pattern) throws IOException {

    final PathMatcher matcher = FileSystems.getDefault().getPathMatcher("regex:" + pattern);

    if (!Files.exists(path))
        return;

    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            if (pattern != null && matcher.matches(file.getFileName())) {
                Files.delete(file);
            }
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
            // try to delete the file anyway, even if its attributes
            // could not be read, since delete-only access is
            // theoretically possible
            if (pattern != null && matcher.matches(file.getFileName())) {
                Files.delete(file);
            }
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            if (exc == null) {
                if (matcher.matches(dir.getFileName())) {
                    if (dir.toFile().list().length > 0) {
                        // remove even if not empty
                        FileUtils.deleteRecursive(dir);
                    } else {
                        Files.delete(dir);
                    }
                }
                return FileVisitResult.CONTINUE;
            } else {
                // directory iteration failed; propagate exception
                throw exc;
            }
        }

    });
}

From source file:org.sonar.api.utils.internal.DefaultTempFolder.java

public void clean() {
    try {/*  w w  w . ja va2  s  .c  om*/
        Files.walkFileTree(tempDir.toPath(), DeleteRecursivelyFileVisitor.INSTANCE);
    } catch (IOException e) {
        LOG.trace("Failed to delete temp folder", e);
    }
}

From source file:org.bonitasoft.console.common.server.page.CustomPageDependenciesResolver.java

private Map<String, byte[]> loadLibraries(final File customPageLibDirectory) {
    final Map<String, byte[]> result = new HashMap<String, byte[]>();
    try {//from   ww  w  .  j ava2s .  com
        Files.walkFileTree(customPageLibDirectory.toPath(), new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs)
                    throws IOException {
                final File currentFile = file.toFile();
                result.put(currentFile.getName(), readFileToByteArray(currentFile));
                return super.visitFile(file, attrs);
            }

        });
    } catch (final IOException e) {
        LOGGER.log(Level.SEVERE, e.getMessage(), e);
    }
    return result;
}

From source file:client.tools.ClientRecovery.java

/**
 * Starts the recovery process./*  w  ww .j  a v a  2s.  co  m*/
 * 
 * @return <code>true</code>, if this recovery was successfully executed.
 *         Otherwise, <code>false</code>.
 */
public boolean execute() {
    try {
        if (Files.isHidden(syncPath) || !syncPath.startsWith(filesPath)) {
            Files.walkFileTree(syncPath, new DeleteTempFileVisitor(syncPath));
        }
        Files.walkFileTree(filesPath, new DeleteTempFileVisitor(syncPath));
        return true;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:br.com.uol.runas.classloader.JarClassLoader.java

private void addUrlsFromDir(URL url) throws IOException, URISyntaxException {
    addURL(url);/* w w w. j  a va  2  s .c  o m*/

    Files.walkFileTree(Paths.get(url.toURI()), new FileVisitor<Path>() {
        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            addURL(dir.toUri().toURL());
            return FileVisitResult.CONTINUE;
        }

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

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

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

From source file:com.ignorelist.kassandra.steam.scraper.PathResolver.java

public Set<Path> findSharedConfig() throws IOException {
    Path base = findSteamBase().resolve("steam").resolve("userdata");
    final Set<Path> paths = new HashSet<>();
    Files.walkFileTree(base, new SimpleFileVisitor<Path>() {
        @Override//from  w  ww  . ja  v  a 2 s. com
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            if ("sharedconfig.vdf".equals(file.getFileName().toString())) {
                paths.add(file);
            }
            return super.visitFile(file, attrs);
        }

    });
    if (paths.isEmpty()) {
        throw new IllegalStateException("can't find sharedconfig.vdf");
    }
    return paths;
}