@Nullable
  public static String getDescriptionDirName(PsiClass aClass) {
    String descriptionDir = "";
    PsiClass each = aClass;
    while (each != null) {
      String name = each.getName();
      if (StringUtil.isEmptyOrSpaces(name)) {
        return null;
      }
      descriptionDir = name + descriptionDir;
      each = each.getContainingClass();
    }
    return descriptionDir;
  }
@Nullable
  public static String getDescriptionDirName(PsiClass aClass)