public static boolean isSourceLevelAccessible(
PsiElement context, PsiClass psiClass, final boolean pkgContext) {
if (!JavaPsiFacade.getInstance(psiClass.getProject())
.getResolveHelper()
.isAccessible(psiClass, context, null)) {
return false;
}
if (pkgContext) {
PsiClass topLevel = PsiUtil.getTopLevelClass(psiClass);
if (topLevel != null) {
String fqName = topLevel.getQualifiedName();
if (fqName != null && StringUtil.isEmpty(StringUtil.getPackageName(fqName))) {
return false;
}
}
}
return true;
}
@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);
}
}