Examples with ClassMemberReferencesVisitor com.intellij.refactoring.util.classMembers.ClassMemberReferencesVisitor used on opensource projects

Example 1 with ClassMemberReferencesVisitor

use of com.intellij.refactoring.util.classMembers.ClassMemberReferencesVisitor in project intellij-community by JetBrains.

the class PullUpConflictsUtil method checkConflicts.

public static MultiMap<PsiElement, String> checkConflicts(final MemberInfoBase<? extends PsiMember>[] infos, @NotNull final PsiClass subclass, @Nullable PsiClass superClass, @NotNull final PsiPackage targetPackage, @NotNull PsiDirectory targetDirectory, final InterfaceContainmentVerifier interfaceContainmentVerifier, boolean movedMembers2Super) {
    final Set<PsiMember> movedMembers = new HashSet<>();
    final Set<PsiMethod> abstractMethods = new HashSet<>();
    final boolean isInterfaceTarget;
    final PsiElement targetRepresentativeElement;
    if (superClass != null) {
        isInterfaceTarget = superClass.isInterface();
        targetRepresentativeElement = superClass;
    } else {
        isInterfaceTarget = false;
        targetRepresentativeElement = targetDirectory;
    }
    for (MemberInfoBase<? extends PsiMember> info : infos) {
        PsiMember member = info.getMember();
        if (member instanceof PsiMethod) {
            if (!info.isToAbstract()) {
                movedMembers.add(member);
            } else {
                abstractMethods.add((PsiMethod) member);
            }
        } else {
            movedMembers.add(member);
        }
    }
    final MultiMap<PsiElement, String> conflicts = new MultiMap<>();
    final Set<PsiMethod> abstrMethods = new HashSet<>(abstractMethods);
    if (superClass != null) {
        for (PsiMethod method : subclass.getMethods()) {
            if (!movedMembers.contains(method) && !method.hasModifierProperty(PsiModifier.PRIVATE)) {
                if (method.findSuperMethods(superClass).length > 0) {
                    abstrMethods.add(method);
                }
            }
        }
        if (newAbstractMethodInSuper(infos)) {
            final PsiAnnotation annotation = AnnotationUtil.findAnnotation(superClass, CommonClassNames.JAVA_LANG_FUNCTIONAL_INTERFACE);
            if (annotation != null) {
                conflicts.putValue(annotation, RefactoringBundle.message("functional.interface.broken"));
            } else {
                final PsiFunctionalExpression functionalExpression = FunctionalExpressionSearch.search(superClass).findFirst();
                if (functionalExpression != null) {
                    conflicts.putValue(functionalExpression, RefactoringBundle.message("functional.interface.broken"));
                }
            }
        }
    }
    RefactoringConflictsUtil.analyzeAccessibilityConflicts(movedMembers, superClass, conflicts, VisibilityUtil.ESCALATE_VISIBILITY, targetRepresentativeElement, abstrMethods);
    if (superClass != null) {
        if (movedMembers2Super) {
            checkSuperclassMembers(superClass, infos, conflicts);
            if (isInterfaceTarget) {
                checkInterfaceTarget(infos, conflicts);
            }
        } else {
            final String qualifiedName = superClass.getQualifiedName();
            assert qualifiedName != null;
            if (superClass.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) {
                if (!Comparing.strEqual(StringUtil.getPackageName(qualifiedName), targetPackage.getQualifiedName())) {
                    conflicts.putValue(superClass, RefactoringUIUtil.getDescription(superClass, true) + " won't be accessible from " + RefactoringUIUtil.getDescription(targetPackage, true));
                }
            }
        }
    }
    // check if moved methods use other members in the classes between Subclass and Superclass
    List<PsiElement> checkModuleConflictsList = new ArrayList<>();
    for (PsiMember member : movedMembers) {
        if (member instanceof PsiMethod || member instanceof PsiClass && !(member instanceof PsiCompiledElement)) {
            ClassMemberReferencesVisitor visitor = movedMembers2Super ? new ConflictingUsagesOfSubClassMembers(member, movedMembers, abstractMethods, subclass, superClass, superClass != null ? null : targetPackage, conflicts, interfaceContainmentVerifier) : new ConflictingUsagesOfSuperClassMembers(member, subclass, targetPackage, movedMembers, conflicts);
            member.accept(visitor);
        }
        ContainerUtil.addIfNotNull(checkModuleConflictsList, member);
    }
    for (final PsiMethod method : abstractMethods) {
        ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getParameterList());
        ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getReturnTypeElement());
        ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getTypeParameterList());
    }
    RefactoringConflictsUtil.analyzeModuleConflicts(subclass.getProject(), checkModuleConflictsList, UsageInfo.EMPTY_ARRAY, targetDirectory, conflicts);
    final PsiFile psiFile = PsiTreeUtil.getParentOfType(subclass, PsiClassOwner.class);
    final boolean toDifferentPackage = !Comparing.strEqual(targetPackage.getQualifiedName(), psiFile != null ? ((PsiClassOwner) psiFile).getPackageName() : null);
    for (final PsiMethod abstractMethod : abstractMethods) {
        abstractMethod.accept(new ClassMemberReferencesVisitor(subclass) {

            @Override
            protected void visitClassMemberReferenceElement(PsiMember classMember, PsiJavaCodeReferenceElement classMemberReference) {
                if (classMember != null && willBeMoved(classMember, movedMembers)) {
                    boolean isAccessible = false;
                    if (classMember.hasModifierProperty(PsiModifier.PRIVATE)) {
                        isAccessible = true;
                    } else if (classMember.hasModifierProperty(PsiModifier.PACKAGE_LOCAL) && toDifferentPackage) {
                        isAccessible = true;
                    }
                    if (isAccessible) {
                        String message = RefactoringUIUtil.getDescription(abstractMethod, false) + " uses " + RefactoringUIUtil.getDescription(classMember, true) + " which won't be accessible from the subclass.";
                        message = CommonRefactoringUtil.capitalize(message);
                        conflicts.putValue(classMember, message);
                    }
                }
            }
        });
        if (abstractMethod.hasModifierProperty(PsiModifier.PACKAGE_LOCAL) && toDifferentPackage) {
            if (!isInterfaceTarget) {
                String message = "Can't make " + RefactoringUIUtil.getDescription(abstractMethod, false) + " abstract as it won't be accessible from the subclass.";
                message = CommonRefactoringUtil.capitalize(message);
                conflicts.putValue(abstractMethod, message);
            }
        }
    }
    return conflicts;
}