private static void checkInterfaceTarget(
MemberInfoBase<? extends PsiMember>[] infos, MultiMap<PsiElement, String> conflictsList) {
for (MemberInfoBase<? extends PsiMember> info : infos) {
PsiElement member = info.getMember();
if (member instanceof PsiField || member instanceof PsiClass) {
if (!((PsiModifierListOwner) member).hasModifierProperty(PsiModifier.STATIC)
&& !(member instanceof PsiClass && ((PsiClass) member).isInterface())) {
String message =
RefactoringBundle.message(
"0.is.not.static.it.cannot.be.moved.to.the.interface",
RefactoringUIUtil.getDescription(member, false));
message = CommonRefactoringUtil.capitalize(message);
conflictsList.putValue(member, message);
}
}
if (member instanceof PsiField && ((PsiField) member).getInitializer() == null) {
String message =
RefactoringBundle.message(
"0.is.not.initialized.in.declaration.such.fields.are.not.allowed.in.interfaces",
RefactoringUIUtil.getDescription(member, false));
conflictsList.putValue(member, CommonRefactoringUtil.capitalize(message));
}
}
}
public static boolean checkedInterfacesContain(
Collection<? extends MemberInfoBase<? extends PsiMember>> memberInfos, PsiMethod psiMethod) {
for (MemberInfoBase<? extends PsiMember> memberInfo : memberInfos) {
if (memberInfo.isChecked()
&& memberInfo.getMember() instanceof PsiClass
&& Boolean.FALSE.equals(memberInfo.getOverrides())) {
if (((PsiClass) memberInfo.getMember()).findMethodBySignature(psiMethod, true) != null) {
return true;
}
}
}
return false;
}
public void invoke(
@NotNull final Project project, @NotNull PsiElement[] elements, DataContext dataContext) {
if (elements.length != 1) return;
PsiElement element = elements[0];
PsiClass aClass;
PsiElement aMember = null;
if (element instanceof PsiClass) {
aClass = (PsiClass) element;
} else if (element instanceof PsiMethod) {
aClass = ((PsiMethod) element).getContainingClass();
aMember = element;
} else if (element instanceof PsiField) {
aClass = ((PsiField) element).getContainingClass();
aMember = element;
} else return;
if (!CommonRefactoringUtil.checkReadOnlyStatus(project, aClass)) return;
MemberInfoStorage memberInfoStorage =
new MemberInfoStorage(
aClass,
new MemberInfo.Filter<PsiMember>() {
public boolean includeMember(PsiMember element) {
return !(element instanceof PsiEnumConstant);
}
});
List<MemberInfo> members = memberInfoStorage.getClassMemberInfos(aClass);
PsiManager manager = aClass.getManager();
for (MemberInfoBase<PsiMember> member : members) {
if (manager.areElementsEquivalent(member.getMember(), aMember)) {
member.setChecked(true);
break;
}
}
PushDownDialog dialog =
new PushDownDialog(project, members.toArray(new MemberInfo[members.size()]), aClass);
dialog.show();
}
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<PsiMember>();
final Set<PsiMethod> abstractMethods = new HashSet<PsiMethod>();
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() && !isInterfaceTarget) {
movedMembers.add(member);
} else {
abstractMethods.add((PsiMethod) member);
}
} else {
movedMembers.add(member);
}
}
final MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
final Set<PsiMethod> abstrMethods = new HashSet<PsiMethod>(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);
}
}
}
}
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<PsiElement>();
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,
new UsageInfo[0],
targetRepresentativeElement,
conflicts);
final String fqName = subclass.getQualifiedName();
final String packageName;
if (fqName != null) {
packageName = StringUtil.getPackageName(fqName);
} else {
final PsiFile psiFile = PsiTreeUtil.getParentOfType(subclass, PsiFile.class);
if (psiFile instanceof PsiClassOwner) {
packageName = ((PsiClassOwner) psiFile).getPackageName();
} else {
packageName = null;
}
}
final boolean toDifferentPackage =
!Comparing.strEqual(targetPackage.getQualifiedName(), packageName);
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;
}
private static void checkSuperclassMembers(
PsiClass superClass,
MemberInfoBase<? extends PsiMember>[] infos,
MultiMap<PsiElement, String> conflictsList) {
for (MemberInfoBase<? extends PsiMember> info : infos) {
PsiMember member = info.getMember();
boolean isConflict = false;
if (member instanceof PsiField) {
String name = member.getName();
isConflict = superClass.findFieldByName(name, false) != null;
} else if (member instanceof PsiMethod) {
PsiSubstitutor superSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(
superClass, member.getContainingClass(), PsiSubstitutor.EMPTY);
MethodSignature signature = ((PsiMethod) member).getSignature(superSubstitutor);
final PsiMethod superClassMethod =
MethodSignatureUtil.findMethodBySignature(superClass, signature, false);
isConflict = superClassMethod != null;
}
if (isConflict) {
String message =
RefactoringBundle.message(
"0.already.contains.a.1",
RefactoringUIUtil.getDescription(superClass, false),
RefactoringUIUtil.getDescription(member, false));
message = CommonRefactoringUtil.capitalize(message);
conflictsList.putValue(superClass, message);
}
if (member instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) member;
final PsiModifierList modifierList = method.getModifierList();
if (!modifierList.hasModifierProperty(PsiModifier.PRIVATE)) {
for (PsiClass subClass : ClassInheritorsSearch.search(superClass)) {
if (method.getContainingClass() != subClass) {
MethodSignature signature =
((PsiMethod) member)
.getSignature(
TypeConversionUtil.getSuperClassSubstitutor(
superClass, subClass, PsiSubstitutor.EMPTY));
final PsiMethod wouldBeOverriden =
MethodSignatureUtil.findMethodBySignature(subClass, signature, false);
if (wouldBeOverriden != null
&& VisibilityUtil.compare(
VisibilityUtil.getVisibilityModifier(wouldBeOverriden.getModifierList()),
VisibilityUtil.getVisibilityModifier(modifierList))
> 0) {
conflictsList.putValue(
wouldBeOverriden,
CommonRefactoringUtil.capitalize(
RefactoringUIUtil.getDescription(method, true)
+ " in super class would clash with local method from "
+ RefactoringUIUtil.getDescription(subClass, true)));
}
}
}
}
}
}
}