private static String normalizePattern(String pattern) {
    pattern = pattern.trim();

    if (pattern.startsWith(SelectorUtils.REGEX_HANDLER_PREFIX)) {
      if (File.separatorChar == '\\') {
        pattern = StringUtils.replace(pattern, "/", "\\\\");
      }
      else {
        pattern = StringUtils.replace(pattern, "\\\\", "/");
      }
    }
    else {
      pattern = pattern.replace(File.separatorChar == '/' ? '\\' : '/', File.separatorChar);

      if (pattern.endsWith(File.separator)) {
        pattern += "**";
      }
    }

    return pattern;
  }
private static String normalizePattern(String pattern)