* @param handler
     *            リソースを処理するハンドラ
     */
    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();

        ListIterator iter;
        SimpleDateFormat sdf = new SimpleDateFormat( "MM/d/yy h:mm a" );
        GregorianCalendar cal = new GregorianCalendar();

        sdf.setCalendar( cal );

        dirents = dir.listFiles();
        if( log.level > 2 )
            log.println( dirents.length + " items listed" );
        sorted = new LinkedList();
        if(( fmt = req.getParameter( "fmt" )) == null ) {
            fmt = "col";

        File directory,
        String packagePrefix,
        Set<File> currentPath,
        ImmutableSet.Builder<ResourceInfo> builder)
        throws IOException {
      File[] files = directory.listFiles();
      if (files == null) {
        logger.warning("Cannot read directory " + directory);
        // IO error, just skip the directory
        return;
      }
      for (File f : files) {

    }                                                                        \
    const auto len = std::min(max_values, attr->list().list_field##_size()); \
    for (int i = 0; i < len; ++i) {                                          \
      values[i] = static_cast<c_type>(attr->list().list_field(i));           \
    }                                                                        \
  }

        try {
            final File aliasConfigDir = ResourceUtil.getResourceAsFile(aliasConfigDirPath);
            if (aliasConfigDir.isDirectory()) {
                stream(aliasConfigDir.listFiles((dir, name) -> name.endsWith(".json"))).of(stream -> stream.forEach(f -> {
                    String aliasName = f.getName().replaceFirst(".json$", "");
                    if (index.equals(DOC_INDEX)) {