private static String winNormCase(String file) {
    int ind = -1;
    for (String ext : EGG_EXTENSIONS) {
      ind = file.indexOf(ext);
      if (ind != -1) break;
    }
    if (ind != -1) {
      return StringUtil.toLowerCase(file.substring(0, ind + 4)) + file.substring(ind + 4);
    }
    else {
      return StringUtil.toLowerCase(file);
    }
  }
private static String winNormCase(String file)