@NotNull
  public static SearchScope getMemberUseScope(@NotNull PsiMember member) {
    PsiFile file = member.getContainingFile();
    PsiElement topElement = file == null ? member : file;
    Project project = topElement.getProject();
    final GlobalSearchScope maximalUseScope =
        ResolveScopeManager.getInstance(project).getUseScope(topElement);
    if (isInServerPage(file)) return maximalUseScope;

    PsiClass aClass = member.getContainingClass();
    if (aClass instanceof PsiAnonymousClass
        && !(aClass instanceof PsiEnumConstantInitializer
            && member instanceof PsiMethod
            && member.hasModifierProperty(PsiModifier.PUBLIC)
            && ((PsiMethod) member).findSuperMethods().length > 0)) {
      // member from anonymous class can be called from outside the class
      PsiElement methodCallExpr =
          PsiUtil.isLanguageLevel8OrHigher(aClass)
              ? PsiTreeUtil.getTopmostParentOfType(aClass, PsiStatement.class)
              : PsiTreeUtil.getParentOfType(aClass, PsiMethodCallExpression.class);
      return new LocalSearchScope(methodCallExpr != null ? methodCallExpr : aClass);
    }

    PsiModifierList modifierList = member.getModifierList();
    int accessLevel =
        modifierList == null ? PsiUtil.ACCESS_LEVEL_PUBLIC : PsiUtil.getAccessLevel(modifierList);
    if (accessLevel == PsiUtil.ACCESS_LEVEL_PUBLIC
        || accessLevel == PsiUtil.ACCESS_LEVEL_PROTECTED) {
      return maximalUseScope; // class use scope doesn't matter, since another very visible class
      // can inherit from aClass
    }
    if (accessLevel == PsiUtil.ACCESS_LEVEL_PRIVATE) {
      PsiClass topClass = PsiUtil.getTopLevelClass(member);
      return topClass != null
          ? new LocalSearchScope(topClass)
          : file == null ? maximalUseScope : new LocalSearchScope(file);
    }
    if (file instanceof PsiJavaFile) {
      PsiPackage aPackage =
          JavaPsiFacade.getInstance(project).findPackage(((PsiJavaFile) file).getPackageName());
      if (aPackage != null) {
        SearchScope scope = PackageScope.packageScope(aPackage, false);
        return scope.intersectWith(maximalUseScope);
      }
    }
    return maximalUseScope;
  }
  @NotNull
  public static SearchScope getClassUseScope(@NotNull PsiClass aClass) {
    if (aClass instanceof PsiAnonymousClass) {
      return new LocalSearchScope(aClass);
    }
    final GlobalSearchScope maximalUseScope = ResolveScopeManager.getElementUseScope(aClass);
    PsiFile file = aClass.getContainingFile();
    if (PsiImplUtil.isInServerPage(file)) return maximalUseScope;
    final PsiClass containingClass = aClass.getContainingClass();
    if (aClass.hasModifierProperty(PsiModifier.PUBLIC)
        || aClass.hasModifierProperty(PsiModifier.PROTECTED)) {
      return containingClass == null ? maximalUseScope : containingClass.getUseScope();
    } else if (aClass.hasModifierProperty(PsiModifier.PRIVATE)
        || aClass instanceof PsiTypeParameter) {
      PsiClass topClass = PsiUtil.getTopLevelClass(aClass);
      return new LocalSearchScope(topClass == null ? aClass.getContainingFile() : topClass);
    } else {
      PsiPackage aPackage = null;
      if (file instanceof PsiJavaFile) {
        aPackage =
            JavaPsiFacade.getInstance(aClass.getProject())
                .findPackage(((PsiJavaFile) file).getPackageName());
      }

      if (aPackage == null) {
        PsiDirectory dir = file.getContainingDirectory();
        if (dir != null) {
          aPackage = JavaDirectoryService.getInstance().getPackage(dir);
        }
      }

      if (aPackage != null) {
        SearchScope scope = PackageScope.packageScope(aPackage, false);
        scope = scope.intersectWith(maximalUseScope);
        return scope;
      }

      return new LocalSearchScope(file);
    }
  }
  @NotNull
  public static SearchScope getMemberUseScope(@NotNull PsiMember member) {
    final GlobalSearchScope maximalUseScope = ResolveScopeManager.getElementUseScope(member);
    PsiFile file = member.getContainingFile();
    if (isInServerPage(file)) return maximalUseScope;

    PsiClass aClass = member.getContainingClass();
    if (aClass instanceof PsiAnonymousClass) {
      // member from anonymous class can be called from outside the class
      PsiElement methodCallExpr =
          PsiTreeUtil.getParentOfType(aClass, PsiMethodCallExpression.class);
      return new LocalSearchScope(methodCallExpr != null ? methodCallExpr : aClass);
    }

    if (member.hasModifierProperty(PsiModifier.PUBLIC)) {
      return maximalUseScope; // class use scope doesn't matter, since another very visible class
      // can inherit from aClass
    } else if (member.hasModifierProperty(PsiModifier.PROTECTED)) {
      return maximalUseScope; // class use scope doesn't matter, since another very visible class
      // can inherit from aClass
    } else if (member.hasModifierProperty(PsiModifier.PRIVATE)) {
      PsiClass topClass = PsiUtil.getTopLevelClass(member);
      return topClass != null ? new LocalSearchScope(topClass) : new LocalSearchScope(file);
    } else {
      if (file instanceof PsiJavaFile) {
        PsiPackage aPackage =
            JavaPsiFacade.getInstance(member.getProject())
                .findPackage(((PsiJavaFile) file).getPackageName());
        if (aPackage != null) {
          SearchScope scope = PackageScope.packageScope(aPackage, false);
          scope = scope.intersectWith(maximalUseScope);
          return scope;
        }
      }

      return maximalUseScope;
    }
  }
Exemple #4
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 @Override
 @NotNull
 public SearchScope getUseScope() {
   return ResolveScopeManager.getElementUseScope(this);
 }