* @param handler the handler to process classes
     */
    protected static void traverseFileSystem(final File dir, final String packageName, final ClassHandler handler) {
        for (final File file : dir.listFiles()) {
            final String fileName = file.getName();
            if (file.isDirectory()) {
                traverseFileSystem(file, ClassUtil.concatName(packageName, fileName), handler);

                final Set<RequestData> requestDataSet = new HashSet<>();
                if (includeContent) {
                    try {
                        final FTPFile[] files = client.listFiles(ftpInfo.getParent(), FTPFileFilters.NON_NULL);
                        validateRequest(client);
                        for (final FTPFile f : files) {

            deleteRecursively(tempDir.toFile());
        }
        super.tearDown(testInfo);
    }

    private void deleteRecursively(File file) {
        if (file.isDirectory()) {
            File[] children = file.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteRecursively(child);
                }
            }
        }
        file.delete();
    }

                }
                final Set<RequestData> requestDataSet = new HashSet<>();
                if (includeContent) {
                    final File[] files = file.listFiles();
                    if (files != null) {
                        if (logger.isDebugEnabled()) {

                        continue;
                    }
                    if (directory.exists() && directory.isDirectory()) {
                        final File[] files = directory.listFiles(File::isDirectory);
                        if (files != null) {
                            for (final File file : files) {
                                final String name = file.getName();

     *            the handler to process resources
     */
    protected static void traverseFileSystem(final File rootDir, final File baseDir, final ResourceHandler handler) {
        for (final File file : baseDir.listFiles()) {
            if (file.isDirectory()) {
                traverseFileSystem(rootDir, file, handler);
            } else {
                final int pos = FileUtil.getCanonicalPath(rootDir).length();

     */
    protected void appendJarFile(final String cpSeparator, final StringBuilder buf, final File libDir, final String basePath) {
        final File[] jarFiles = libDir.listFiles((FilenameFilter) (dir, name) -> name.toLowerCase().endsWith(".jar"));
        if (jarFiles != null) {
            for (final File file : jarFiles) {
                buf.append(cpSeparator);

    private static void cleanPsOutputAndThreaddumpFilesFromPreviousRun(File rootProjectDir) {
        if (executionMode == ExecutionMode.KILL_LEAKED_PROCESSES_FROM_PREVIOUS_BUILDS) {
            File[] psOutputs = rootProjectDir.listFiles((__, name) -> name.endsWith(".psoutput") || name.endsWith(".threaddump"));
            if (psOutputs != null) {
                Stream.of(psOutputs).forEach(File::delete);
            }
        }
    }

            }
            return list.toArray(new String[list.size()]);
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    static SmbFile[] listFiles(final SmbFile root, final String wildcard, final int searchAttributes, final SmbFilenameFilter fnf,
            final SmbFileFilter ff) throws SmbException {

   *     <i>(optional specific exception)</i>
   * @throws IOException if an I/O error occurs
   */
  public static ImmutableList<Path> listFiles(Path dir) throws IOException {
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
      return ImmutableList.copyOf(stream);
    } catch (DirectoryIteratorException e) {
      throw e.getCause();