@Nullable
 private static PsiMethod findNearestMethod(String name, @Nullable PsiClass cls) {
   if (cls == null) return null;
   for (PsiMethod method : cls.getMethods()) {
     if (method.getParameterList().getParametersCount() == 0 && method.getName().equals(name)) {
       return method.getModifierList().hasModifierProperty(PsiModifier.ABSTRACT) ? null : method;
     }
   }
   return findNearestMethod(name, cls.getSuperClass());
 }
  @Nullable
  private ProblemDescriptor createDescription(
      @NotNull PsiTypeCastExpression cast, @NotNull InspectionManager manager, boolean onTheFly) {
    PsiExpression operand = cast.getOperand();
    PsiTypeElement castType = cast.getCastType();
    if (operand == null || castType == null) return null;
    PsiElement parent = cast.getParent();
    while (parent instanceof PsiParenthesizedExpression) {
      parent = parent.getParent();
    }
    if (parent instanceof PsiReferenceExpression) {
      if (IGNORE_ANNOTATED_METHODS) {
        final PsiElement gParent = parent.getParent();
        if (gParent instanceof PsiMethodCallExpression) {
          final PsiMethod psiMethod = ((PsiMethodCallExpression) gParent).resolveMethod();
          if (psiMethod != null && NullableNotNullManager.isNotNull(psiMethod)) {
            final PsiClass superClass = PsiUtil.resolveClassInType(operand.getType());
            final PsiClass containingClass = psiMethod.getContainingClass();
            if (containingClass != null
                && superClass != null
                && containingClass.isInheritor(superClass, true)) {
              for (PsiMethod method : psiMethod.findSuperMethods(superClass)) {
                if (NullableNotNullManager.isNullable(method)) {
                  return null;
                }
              }
            }
          }
        }
      }
    } else if (parent instanceof PsiExpressionList) {
      final PsiElement gParent = parent.getParent();
      if (gParent instanceof PsiMethodCallExpression && IGNORE_SUSPICIOUS_METHOD_CALLS) {
        final String message =
            SuspiciousCollectionsMethodCallsInspection.getSuspiciousMethodCallMessage(
                (PsiMethodCallExpression) gParent,
                operand.getType(),
                true,
                new ArrayList<PsiMethod>(),
                new IntArrayList());
        if (message != null) {
          return null;
        }
      }
    }

    String message =
        InspectionsBundle.message(
            "inspection.redundant.cast.problem.descriptor",
            "<code>" + operand.getText() + "</code>",
            "<code>#ref</code> #loc");
    return manager.createProblemDescriptor(
        castType, message, myQuickFixAction, ProblemHighlightType.LIKE_UNUSED_SYMBOL, onTheFly);
  }
  private boolean isAccessibleFrom(RefElement from, RefJavaElement to, String accessModifier) {
    if (accessModifier == PsiModifier.PUBLIC) return true;

    final RefJavaUtil refUtil = RefJavaUtil.getInstance();
    if (accessModifier == PsiModifier.PACKAGE_LOCAL) {
      return RefJavaUtil.getPackage(from) == RefJavaUtil.getPackage(to);
    }

    RefClass fromTopLevel = refUtil.getTopLevelClass(from);
    RefClass toTopLevel = refUtil.getTopLevelClass(to);
    RefClass fromOwner = refUtil.getOwnerClass(from);
    RefClass toOwner = refUtil.getOwnerClass(to);

    if (accessModifier == PsiModifier.PROTECTED) {
      if (SUGGEST_PRIVATE_FOR_INNERS) {
        return refUtil.isInheritor(fromTopLevel, toOwner)
            || fromOwner != null && refUtil.isInheritor(fromOwner, toTopLevel)
            || toOwner != null && refUtil.getOwnerClass(toOwner) == from;
      }

      return refUtil.isInheritor(fromTopLevel, toOwner);
    }

    if (accessModifier == PsiModifier.PRIVATE) {
      if (SUGGEST_PRIVATE_FOR_INNERS) {
        if (isInExtendsList(to, fromTopLevel.getElement().getExtendsList())) return false;
        if (isInExtendsList(to, fromTopLevel.getElement().getImplementsList())) return false;
        if (isInAnnotations(to, fromTopLevel)) return false;
        return fromTopLevel == toOwner
            || fromOwner == toTopLevel
            || toOwner != null && refUtil.getOwnerClass(toOwner) == from;
      }

      if (fromOwner != null
          && fromOwner.isStatic()
          && !to.isStatic()
          && refUtil.isInheritor(fromOwner, toOwner)) return false;

      if (fromTopLevel == toOwner) {
        if (from instanceof RefClass && to instanceof RefClass) {
          final PsiClass fromClass = ((RefClass) from).getElement();
          LOG.assertTrue(fromClass != null);
          if (isInExtendsList(to, fromClass.getExtendsList())) return false;
          if (isInExtendsList(to, fromClass.getImplementsList())) return false;
        }

        return true;
      }
    }

    return false;
  }
 @Nullable
 private 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;
 }
  @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 = ModuleUtil.findModuleForPsiElement(aClass);

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

    final PsiClass base =
        JavaPsiFacade.getInstance(project)
            .findClass(INTENTION, GlobalSearchScope.allScope(project));

    if (base == null || !aClass.isInheritor(base, true)) return null;

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

    for (PsiDirectory description : getIntentionDescriptionsDirs(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,
                  "Intention must have 'before.*.template' and 'after.*.template' beside 'description.html'",
                  isOnTheFly,
                  ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
          return new ProblemDescriptor[] {problemDescriptor};
        }

        return null;
      }
    }

    final PsiElement problem = aClass.getNameIdentifier();
    final ProblemDescriptor problemDescriptor =
        manager.createProblemDescriptor(
            problem == null ? nameIdentifier : problem,
            "Intention does not have a description",
            isOnTheFly,
            new LocalQuickFix[] {new CreateHtmlDescriptionFix(descriptionDir, module, true)},
            ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
    return new ProblemDescriptor[] {problemDescriptor};
  }
    private void reportMissingOnClickProblem(
        OnClickConverter.MyReference reference,
        PsiClass activity,
        String methodName,
        boolean incorrectSignature) {
      String activityName = activity.getName();

      if (activityName == null) {
        activityName = "";
      }
      final String message =
          incorrectSignature
              ? AndroidBundle.message(
                  "android.inspections.on.click.missing.incorrect.signature",
                  methodName,
                  activityName)
              : AndroidBundle.message(
                  "android.inspections.on.click.missing.problem", methodName, activityName);

      final LocalQuickFix[] fixes =
          StringUtil.isJavaIdentifier(methodName)
              ? new LocalQuickFix[] {new MyQuickFix(methodName, reference.getConverter(), activity)}
              : LocalQuickFix.EMPTY_ARRAY;

      myResult.add(
          myInspectionManager.createProblemDescriptor(
              reference.getElement(),
              reference.getRangeInElement(),
              message,
              ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
              myOnTheFly,
              fixes));
    }
 @NotNull
 @Override
 public String getName() {
   return "Create '"
       + myMethodName
       + "("
       + myConverter.getShortParameterName()
       + ")' in '"
       + myClass.getName()
       + "'";
 }
 /**
  * Returns true if the given associated activity class is either found in the given set of
  * classes, or (less likely) extends any of the classes in that set
  */
 private static boolean containsOrExtends(
     @NotNull Set<PsiClass> resolvedClasses, @NotNull PsiClass relatedActivity) {
   if (resolvedClasses.contains(relatedActivity)) {
     return true;
   }
   for (PsiClass resolvedClass : resolvedClasses) {
     if (relatedActivity.isInheritor(resolvedClass, false)) {
       return true;
     }
   }
   return false;
 }
  @NotNull
  private static Collection<PsiClass> findRelatedActivities(
      @NotNull XmlFile file,
      @NotNull AndroidFacet facet,
      @NotNull DomFileDescription<?> description) {
    if (description instanceof LayoutDomFileDescription) {
      final Computable<List<GotoRelatedItem>> computable =
          AndroidGotoRelatedProvider.getLazyItemsForXmlFile(file, facet);

      if (computable == null) {
        return Collections.emptyList();
      }
      final List<GotoRelatedItem> items = computable.compute();

      if (items.isEmpty()) {
        return Collections.emptyList();
      }
      final PsiClass activityClass = findActivityClass(facet.getModule());

      if (activityClass == null) {
        return Collections.emptyList();
      }
      final List<PsiClass> result = new ArrayList<PsiClass>();

      for (GotoRelatedItem item : items) {
        final PsiElement element = item.getElement();

        if (element instanceof PsiClass) {
          final PsiClass aClass = (PsiClass) element;

          if (aClass.isInheritor(activityClass, true)) {
            result.add(aClass);
          }
        }
      }
      return result;
    } else {
      return findRelatedActivitiesForMenu(file, facet);
    }
  }
    @Override
    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
      if (!FileModificationService.getInstance()
          .preparePsiElementForWrite(descriptor.getPsiElement())) return;
      final PsiModifierListOwner element =
          PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), PsiModifierListOwner.class);
      if (element != null) {
        RefElement refElement = null;
        if (myManager != null) {
          refElement = myManager.getReference(element);
        }
        try {
          if (element instanceof PsiVariable) {
            ((PsiVariable) element).normalizeDeclaration();
          }

          PsiModifierList list = element.getModifierList();

          LOG.assertTrue(list != null);

          if (element instanceof PsiMethod) {
            PsiMethod psiMethod = (PsiMethod) element;
            PsiClass containingClass = psiMethod.getContainingClass();
            if (containingClass != null
                && containingClass.getParent() instanceof PsiFile
                && myHint == PsiModifier.PRIVATE
                && list.hasModifierProperty(PsiModifier.FINAL)) {
              list.setModifierProperty(PsiModifier.FINAL, false);
            }
          }

          list.setModifierProperty(myHint, true);
          if (refElement instanceof RefJavaElement) {
            RefJavaUtil.getInstance().setAccessModifier((RefJavaElement) refElement, myHint);
          }
        } catch (IncorrectOperationException e) {
          LOG.error(e);
        }
      }
    }
  private static boolean canCallMethodsInConstructors(PsiClass aClass, boolean virtual) {
    for (PsiMethod constructor : aClass.getConstructors()) {
      if (!constructor.getLanguage().isKindOf(JavaLanguage.INSTANCE)) return true;

      PsiCodeBlock body = constructor.getBody();
      if (body == null) continue;

      for (PsiMethodCallExpression call :
          SyntaxTraverser.psiTraverser().withRoot(body).filter(PsiMethodCallExpression.class)) {
        PsiReferenceExpression methodExpression = call.getMethodExpression();
        if (methodExpression instanceof PsiThisExpression
            || methodExpression instanceof PsiSuperExpression) continue;
        if (!virtual) return true;

        PsiMethod target = call.resolveMethod();
        if (target != null && PsiUtil.canBeOverriden(target)) return true;
      }
    }

    return false;
  }