@Override
  public ProblemDescriptor[] checkClass(
      @NotNull PsiClass aClass, @NotNull InspectionManager manager, boolean isOnTheFly) {
    final Project project = aClass.getProject();
    final PsiIdentifier nameIdentifier = aClass.getNameIdentifier();
    final Module module = ModuleUtilCore.findModuleForPsiElement(aClass);

    if (nameIdentifier == null || module == null || !PsiUtil.isInstantiable(aClass)) return null;

    final PsiClass base =
        JavaPsiFacade.getInstance(project).findClass(getClassName(), aClass.getResolveScope());
    if (base == null || !aClass.isInheritor(base, true)) return null;

    String descriptionDir = DescriptionCheckerUtil.getDescriptionDirName(aClass);
    if (StringUtil.isEmptyOrSpaces(descriptionDir)) {
      return null;
    }

    for (PsiDirectory description : getDescriptionsDirs(module)) {
      PsiDirectory dir = description.findSubdirectory(descriptionDir);
      if (dir == null) continue;
      final PsiFile descr = dir.findFile("description.html");
      if (descr != null) {
        if (!hasBeforeAndAfterTemplate(dir.getVirtualFile())) {
          PsiElement problem = aClass.getNameIdentifier();
          ProblemDescriptor problemDescriptor =
              manager.createProblemDescriptor(
                  problem == null ? nameIdentifier : problem,
                  getHasNotBeforeAfterError(),
                  isOnTheFly,
                  ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
                  false);
          return new ProblemDescriptor[] {problemDescriptor};
        }

        return null;
      }
    }

    final PsiElement problem = aClass.getNameIdentifier();
    final ProblemDescriptor problemDescriptor =
        manager.createProblemDescriptor(
            problem == null ? nameIdentifier : problem,
            getHasNotDescriptionError(),
            isOnTheFly,
            new LocalQuickFix[] {getFix(module, descriptionDir)},
            ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
    return new ProblemDescriptor[] {problemDescriptor};
  }
 @NotNull
 protected PsiDirectory[] getDescriptionsDirs(@NotNull Module module) {
   return DescriptionCheckerUtil.getDescriptionsDirs(module, myDescriptionType);
 }