@Nullable
private static String getLongTypeName(PsiType type) {
if (type instanceof PsiClassType) {
PsiClass aClass = ((PsiClassType) type).resolve();
if (aClass == null) {
return null;
} else if (aClass instanceof PsiAnonymousClass) {
PsiClass baseClass = ((PsiAnonymousClass) aClass).getBaseClassType().resolve();
return baseClass != null ? baseClass.getQualifiedName() : null;
} else {
return aClass.getQualifiedName();
}
} else if (type instanceof PsiArrayType) {
return getLongTypeName(((PsiArrayType) type).getComponentType()) + "[]";
} else if (type instanceof PsiPrimitiveType) {
return type.getPresentableText();
} else if (type instanceof PsiWildcardType) {
final PsiType bound = ((PsiWildcardType) type).getBound();
return bound != null ? getLongTypeName(bound) : CommonClassNames.JAVA_LANG_OBJECT;
} else if (type instanceof PsiCapturedWildcardType) {
final PsiType bound = ((PsiCapturedWildcardType) type).getWildcard().getBound();
return bound != null ? getLongTypeName(bound) : CommonClassNames.JAVA_LANG_OBJECT;
} else if (type instanceof PsiIntersectionType) {
return getLongTypeName(((PsiIntersectionType) type).getRepresentative());
} else if (type instanceof PsiDisjunctionType) {
return getLongTypeName(((PsiDisjunctionType) type).getLeastUpperBound());
} else {
return null;
}
}
private static void qualify(PsiMember member, PsiElement renamed, String name) {
if (!(renamed instanceof GrReferenceExpression)) return;
final PsiClass clazz = member.getContainingClass();
if (clazz == null) return;
final GrReferenceExpression refExpr = (GrReferenceExpression) renamed;
final PsiElement replaced;
if (member.hasModifierProperty(GrModifier.STATIC)) {
final GrReferenceExpression newRefExpr =
GroovyPsiElementFactory.getInstance(member.getProject())
.createReferenceExpressionFromText(clazz.getQualifiedName() + "." + name);
replaced = refExpr.replace(newRefExpr);
} else {
final PsiClass containingClass = PsiTreeUtil.getParentOfType(renamed, PsiClass.class);
if (member.getManager().areElementsEquivalent(containingClass, clazz)) {
final GrReferenceExpression newRefExpr =
GroovyPsiElementFactory.getInstance(member.getProject())
.createReferenceExpressionFromText("this." + name);
replaced = refExpr.replace(newRefExpr);
} else {
final GrReferenceExpression newRefExpr =
GroovyPsiElementFactory.getInstance(member.getProject())
.createReferenceExpressionFromText(clazz.getQualifiedName() + ".this." + name);
replaced = refExpr.replace(newRefExpr);
}
}
PsiUtil.shortenReferences((GroovyPsiElement) replaced);
}
private void findUsagesForInnerClass(PsiClass innerClass, List<FixableUsageInfo> usages) {
final PsiManager psiManager = innerClass.getManager();
final Project project = psiManager.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final Iterable<PsiReference> calls = ReferencesSearch.search(innerClass, scope);
final String innerName = innerClass.getQualifiedName();
assert innerName != null;
final String sourceClassQualifiedName = sourceClass.getQualifiedName();
assert sourceClassQualifiedName != null;
final String newInnerClassName =
getQualifiedName() + innerName.substring(sourceClassQualifiedName.length());
boolean hasExternalReference = false;
for (PsiReference reference : calls) {
final PsiElement referenceElement = reference.getElement();
if (referenceElement instanceof PsiJavaCodeReferenceElement) {
if (!isInMovedElement(referenceElement)) {
usages.add(
new ReplaceClassReference(
(PsiJavaCodeReferenceElement) referenceElement, newInnerClassName));
hasExternalReference = true;
}
}
}
if (hasExternalReference) {
innerClassesToMakePublic.add(innerClass);
}
}
private void fixReferencesToStatic(GroovyPsiElement classMember, Set<PsiMember> movedMembers)
throws IncorrectOperationException {
final StaticReferencesCollector collector = new StaticReferencesCollector(movedMembers);
classMember.accept(collector);
ArrayList<GrReferenceElement> refs = collector.getReferences();
ArrayList<PsiElement> members = collector.getReferees();
ArrayList<PsiClass> classes = collector.getRefereeClasses();
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(myProject);
for (int i = 0; i < refs.size(); i++) {
GrReferenceElement ref = refs.get(i);
PsiElement namedElement = members.get(i);
PsiClass aClass = classes.get(i);
if (namedElement instanceof PsiNamedElement) {
GrReferenceExpression newRef =
(GrReferenceExpression)
factory.createExpressionFromText(
"a." + ((PsiNamedElement) namedElement).getName(), null);
GrExpression qualifier = newRef.getQualifierExpression();
assert qualifier != null;
qualifier =
(GrExpression)
qualifier.replace(
factory.createReferenceExpressionFromText(aClass.getQualifiedName()));
qualifier.putCopyableUserData(PRESERVE_QUALIFIER, ref.isQualified());
PsiElement replaced = ref.replace(newRef);
JavaCodeStyleManager.getInstance(myProject).shortenClassReferences(replaced);
}
}
}
private static List<FunctionDescriptor> getSuperFunctionsForMethod(
@NotNull PsiMethodWrapper method,
@NotNull BindingTrace trace,
@NotNull ClassDescriptor containingClass) {
List<FunctionDescriptor> superFunctions = Lists.newArrayList();
Map<ClassDescriptor, JetType> superclassToSupertype =
getSuperclassToSupertypeMap(containingClass);
Multimap<FqName, Pair<FunctionDescriptor, PsiMethod>> superclassToFunctions =
getSuperclassToFunctionsMultimap(method, trace.getBindingContext(), containingClass);
for (HierarchicalMethodSignature superSignature :
method.getPsiMethod().getHierarchicalMethodSignature().getSuperSignatures()) {
PsiMethod superMethod = superSignature.getMethod();
PsiClass psiClass = superMethod.getContainingClass();
assert psiClass != null;
String classFqNameString = psiClass.getQualifiedName();
assert classFqNameString != null;
FqName classFqName = new FqName(classFqNameString);
if (!JavaToKotlinClassMap.getInstance().mapPlatformClass(classFqName).isEmpty()) {
for (FunctionDescriptor superFun :
JavaToKotlinMethodMap.INSTANCE.getFunctions(superMethod, containingClass)) {
superFunctions.add(substituteSuperFunction(superclassToSupertype, superFun));
}
continue;
}
DeclarationDescriptor superFun =
superMethod instanceof JetClsMethod
? trace.get(
BindingContext.DECLARATION_TO_DESCRIPTOR,
((JetClsMethod) superMethod).getOrigin())
: findSuperFunction(superclassToFunctions.get(classFqName), superMethod);
if (superFun == null) {
reportCantFindSuperFunction(method);
continue;
}
assert superFun instanceof FunctionDescriptor : superFun.getClass().getName();
superFunctions.add(
substituteSuperFunction(superclassToSupertype, (FunctionDescriptor) superFun));
}
// sorting for diagnostic stability
Collections.sort(
superFunctions,
new Comparator<FunctionDescriptor>() {
@Override
public int compare(FunctionDescriptor fun1, FunctionDescriptor fun2) {
FqNameUnsafe fqName1 = getFQName(fun1.getContainingDeclaration());
FqNameUnsafe fqName2 = getFQName(fun2.getContainingDeclaration());
return fqName1.getFqName().compareTo(fqName2.getFqName());
}
});
return superFunctions;
}
private static PsiAnnotationMemberValue[] readFromClass(
@NonNls String attributeName, @NotNull PsiAnnotation magic, PsiType type) {
PsiAnnotationMemberValue fromClassAttr = magic.findAttributeValue(attributeName);
PsiType fromClassType =
fromClassAttr instanceof PsiClassObjectAccessExpression
? ((PsiClassObjectAccessExpression) fromClassAttr).getOperand().getType()
: null;
PsiClass fromClass =
fromClassType instanceof PsiClassType ? ((PsiClassType) fromClassType).resolve() : null;
if (fromClass == null) return null;
String fqn = fromClass.getQualifiedName();
if (fqn == null) return null;
List<PsiAnnotationMemberValue> constants = new ArrayList<PsiAnnotationMemberValue>();
for (PsiField field : fromClass.getFields()) {
if (!field.hasModifierProperty(PsiModifier.PUBLIC)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| !field.hasModifierProperty(PsiModifier.FINAL)) continue;
PsiType fieldType = field.getType();
if (!Comparing.equal(fieldType, type)) continue;
PsiAssignmentExpression e =
(PsiAssignmentExpression)
JavaPsiFacade.getElementFactory(field.getProject())
.createExpressionFromText("x=" + fqn + "." + field.getName(), field);
PsiReferenceExpression refToField = (PsiReferenceExpression) e.getRExpression();
constants.add(refToField);
}
if (constants.isEmpty()) return null;
return constants.toArray(new PsiAnnotationMemberValue[constants.size()]);
}
@Nullable
public static PsiClass getSuperClass(@NotNull PsiClass psiClass) {
PsiManager manager = psiClass.getManager();
GlobalSearchScope resolveScope = psiClass.getResolveScope();
final JavaPsiFacade facade = JavaPsiFacade.getInstance(manager.getProject());
if (psiClass.isInterface()) {
return facade.findClass(CommonClassNames.JAVA_LANG_OBJECT, resolveScope);
}
if (psiClass.isEnum()) {
return facade.findClass(CommonClassNames.JAVA_LANG_ENUM, resolveScope);
}
if (psiClass instanceof PsiAnonymousClass) {
PsiClassType baseClassReference = ((PsiAnonymousClass) psiClass).getBaseClassType();
PsiClass baseClass = baseClassReference.resolve();
if (baseClass == null || baseClass.isInterface())
return facade.findClass(CommonClassNames.JAVA_LANG_OBJECT, resolveScope);
return baseClass;
}
if (CommonClassNames.JAVA_LANG_OBJECT.equals(psiClass.getQualifiedName())) return null;
final PsiClassType[] referenceElements = psiClass.getExtendsListTypes();
if (referenceElements.length == 0)
return facade.findClass(CommonClassNames.JAVA_LANG_OBJECT, resolveScope);
PsiClass psiResoved = referenceElements[0].resolve();
return psiResoved == null
? facade.findClass(CommonClassNames.JAVA_LANG_OBJECT, resolveScope)
: psiResoved;
}
@NotNull
public static PsiClassType[] getExtendsListTypes(GrTypeDefinition grType) {
final PsiClassType[] extendsTypes = getReferenceListTypes(grType.getExtendsClause());
if (grType.isInterface()) {
return extendsTypes;
}
for (PsiClassType type : extendsTypes) {
final PsiClass superClass = type.resolve();
if (superClass instanceof GrTypeDefinition && !superClass.isInterface()
|| superClass != null
&& GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT.equals(
superClass.getQualifiedName())) {
return extendsTypes;
}
}
PsiClass grObSupport =
GroovyPsiManager.getInstance(grType.getProject())
.findClassWithCache(
GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT, grType.getResolveScope());
if (grObSupport != null) {
final PsiClassType type =
JavaPsiFacade.getInstance(grType.getProject())
.getElementFactory()
.createType(grObSupport);
return ArrayUtil.append(extendsTypes, type, PsiClassType.ARRAY_FACTORY);
}
return extendsTypes;
}
private static boolean isAcceptedByPattern(
@NotNull PsiClass element,
String qualifiedName,
ClassPattern pattern,
Set<PsiClass> visited) {
if (qualifiedName == null) {
return false;
}
if (qualifiedName.equals(pattern.pattern)) {
return true;
}
if (pattern.pattern.endsWith(PATTERN_SUFFIX)
&& qualifiedName.startsWith(StringUtil.trimEnd(pattern.pattern, PATTERN_SUFFIX))) {
return true;
}
if (pattern.hierarchically) {
for (PsiClass superClass : element.getSupers()) {
final String superClassQualifiedName = superClass.getQualifiedName();
if (visited.add(superClass)
&& isAcceptedByPattern(superClass, superClassQualifiedName, pattern, visited)) {
return true;
}
}
}
return false;
}
@NotNull
public static PsiElement[] findSuperElements(@NotNull PsiElement element) {
if (element instanceof PsiClass) {
PsiClass aClass = (PsiClass) element;
List<PsiClass> allSupers = new ArrayList<>(Arrays.asList(aClass.getSupers()));
for (Iterator<PsiClass> iterator = allSupers.iterator(); iterator.hasNext(); ) {
PsiClass superClass = iterator.next();
if (CommonClassNames.JAVA_LANG_OBJECT.equals(superClass.getQualifiedName()))
iterator.remove();
}
return allSupers.toArray(new PsiClass[allSupers.size()]);
}
if (element instanceof PsiMethod) {
PsiMethod method = (PsiMethod) element;
if (method.isConstructor()) {
PsiMethod constructorInSuper = PsiSuperMethodUtil.findConstructorInSuper(method);
if (constructorInSuper != null) {
return new PsiMethod[] {constructorInSuper};
}
} else {
PsiMethod[] superMethods = method.findSuperMethods(false);
if (superMethods.length == 0) {
PsiMethod superMethod = getSiblingInheritedViaSubClass(method);
if (superMethod != null) {
superMethods = new PsiMethod[] {superMethod};
}
}
return superMethods;
}
}
return PsiElement.EMPTY_ARRAY;
}
@NotNull
private GroovyResolveResult[] resolveTypeOrProperty() {
if (isDefinitelyKeyOfMap()) return GroovyResolveResult.EMPTY_ARRAY;
final GroovyResolveResult[] results = resolveTypeOrPropertyInner();
if (results.length == 0) return GroovyResolveResult.EMPTY_ARRAY;
if (!ResolveUtil.mayBeKeyOfMap(this)) return results;
// filter out all members from super classes. We should return only accessible members from map
// classes
List<GroovyResolveResult> filtered = new ArrayList<GroovyResolveResult>();
for (GroovyResolveResult result : results) {
final PsiElement element = result.getElement();
if (element instanceof PsiMember) {
if (((PsiMember) element).hasModifierProperty(PsiModifier.PRIVATE)) continue;
final PsiClass containingClass = ((PsiMember) element).getContainingClass();
if (containingClass != null) {
if (!InheritanceUtil.isInheritor(containingClass, CommonClassNames.JAVA_UTIL_MAP))
continue;
final String name = containingClass.getQualifiedName();
if (name != null && name.startsWith("java.")) continue;
if (containingClass.getLanguage() != GroovyLanguage.INSTANCE
&& !InheritanceUtil.isInheritor(
containingClass, GroovyCommonClassNames.DEFAULT_BASE_CLASS_NAME)) {
continue;
}
}
}
filtered.add(result);
}
return ContainerUtil.toArray(filtered, new GroovyResolveResult[filtered.size()]);
}
private void collectUncaughtExceptions(@NotNull PsiMethod method) {
if (isExternalOverride()) return;
if (getRefManager().isOfflineView()) return;
@NonNls final String name = method.getName();
if (getOwnerClass().isTestCase() && name.startsWith("test")) return;
if (getSuperMethods().isEmpty()) {
PsiClassType[] throwsList = method.getThrowsList().getReferencedTypes();
if (throwsList.length > 0) {
myUnThrownExceptions =
throwsList.length == 1
? new SmartList<String>()
: new ArrayList<String>(throwsList.length);
for (final PsiClassType type : throwsList) {
PsiClass aClass = type.resolve();
String fqn = aClass == null ? null : aClass.getQualifiedName();
if (fqn != null) {
myUnThrownExceptions.add(fqn);
}
}
}
}
final PsiCodeBlock body = method.getBody();
if (body == null) return;
final Collection<PsiClassType> exceptionTypes =
ExceptionUtil.collectUnhandledExceptions(body, method, false);
for (final PsiClassType exceptionType : exceptionTypes) {
updateThrowsList(exceptionType);
}
}
public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException {
if (isReferenceTo(element)) return getElement();
final String newName;
if (element instanceof PsiClass) {
PsiClass psiClass = (PsiClass) element;
final boolean jvmFormat =
Boolean.TRUE.equals(JavaClassReferenceProvider.JVM_FORMAT.getValue(getOptions()));
newName = jvmFormat ? ClassUtil.getJVMClassName(psiClass) : psiClass.getQualifiedName();
} else if (element instanceof PsiPackage) {
PsiPackage psiPackage = (PsiPackage) element;
newName = psiPackage.getQualifiedName();
} else {
throw new IncorrectOperationException("Cannot bind to " + element);
}
assert newName != null;
TextRange range =
new TextRange(
myJavaClassReferenceSet.getReference(0).getRangeInElement().getStartOffset(),
getRangeInElement().getEndOffset());
final ElementManipulator<PsiElement> manipulator = getManipulator(getElement());
if (manipulator != null) {
final PsiElement finalElement = manipulator.handleContentChange(getElement(), range, newName);
range = new TextRange(range.getStartOffset(), range.getStartOffset() + newName.length());
myJavaClassReferenceSet.reparse(finalElement, range);
return finalElement;
}
return element;
}
@Nullable
public static PsiType getExpectedClosureReturnType(GrClosableBlock closure) {
final Set<PsiType> expectedTypes = getDefaultExpectedTypes(closure);
List<PsiType> expectedReturnTypes = new ArrayList<PsiType>();
for (PsiType expectedType : expectedTypes) {
if (!(expectedType instanceof PsiClassType)) return null;
final PsiClassType.ClassResolveResult resolveResult =
((PsiClassType) expectedType).resolveGenerics();
final PsiClass resolved = resolveResult.getElement();
if (resolved == null
|| !(GroovyCommonClassNames.GROOVY_LANG_CLOSURE.equals(resolved.getQualifiedName())))
return null;
final PsiTypeParameter[] typeParameters = resolved.getTypeParameters();
if (typeParameters.length != 1) return null;
final PsiTypeParameter expected = typeParameters[0];
final PsiType expectedReturnType = resolveResult.getSubstitutor().substitute(expected);
if (expectedReturnType == PsiType.VOID || expectedReturnType == null) return null;
expectedReturnTypes.add(expectedReturnType);
}
return TypesUtil.getLeastUpperBoundNullable(expectedReturnTypes, closure.getManager());
}
@Nullable
private static String getCannotRefactorMessage(PsiMember member) {
if (member == null) {
return RefactoringBundle.message("locate.caret.inside.a.method");
}
if (member instanceof PsiMethod) {
if (((PsiMethod) member).isConstructor()) {
return RefactoringBundle.message("replace.with.method.call.does.not.work.for.constructors");
}
final PsiCodeBlock body = ((PsiMethod) member).getBody();
if (body == null) {
return RefactoringBundle.message("method.does.not.have.a.body", member.getName());
}
final PsiStatement[] statements = body.getStatements();
if (statements.length == 0) {
return RefactoringBundle.message("method.has.an.empty.body", member.getName());
}
} else if (member instanceof PsiField) {
final PsiField field = (PsiField) member;
if (field.getInitializer() == null) {
return "Field " + member.getName() + " doesn't have initializer";
}
final PsiClass containingClass = field.getContainingClass();
if (!field.hasModifierProperty(PsiModifier.FINAL)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| containingClass == null
|| containingClass.getQualifiedName() == null) {
return "Replace Duplicates works with constants only";
}
} else {
return "Caret should be inside method or constant";
}
return null;
}
private static PsiClass findSingleImportByShortName(
@NotNull PsiJavaFile file, @NotNull String shortClassName) {
PsiClass[] refs = file.getSingleClassImports(true);
for (PsiClass ref : refs) {
String className = ref.getQualifiedName();
if (className != null && PsiNameHelper.getShortClassName(className).equals(shortClassName)) {
return ref;
}
}
for (PsiClass aClass : file.getClasses()) {
String className = aClass.getQualifiedName();
if (className != null && PsiNameHelper.getShortClassName(className).equals(shortClassName)) {
return aClass;
}
}
return null;
}
private JavaResolveResult advancedResolveInner(final PsiElement psiElement, final String qName) {
final PsiManager manager = psiElement.getManager();
final GlobalSearchScope scope = getScope();
if (myIndex == myJavaClassReferenceSet.getReferences().length - 1) {
final PsiClass aClass =
JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
if (aClass != null) {
return new ClassCandidateInfo(aClass, PsiSubstitutor.EMPTY, false, psiElement);
} else {
if (!JavaClassReferenceProvider.ADVANCED_RESOLVE.getBooleanValue(getOptions())) {
return JavaResolveResult.EMPTY;
}
}
}
PsiElement resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findPackage(qName);
if (resolveResult == null) {
resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
}
if (myInStaticImport && resolveResult == null) {
resolveResult = resolveMember(qName, manager, getElement().getResolveScope());
}
if (resolveResult == null) {
PsiFile containingFile = psiElement.getContainingFile();
if (containingFile instanceof PsiJavaFile) {
if (containingFile instanceof JspFile) {
containingFile = containingFile.getViewProvider().getPsi(StdLanguages.JAVA);
if (containingFile == null) return JavaResolveResult.EMPTY;
}
final ClassResolverProcessor processor =
new ClassResolverProcessor(getCanonicalText(), psiElement);
containingFile.processDeclarations(processor, ResolveState.initial(), null, psiElement);
if (processor.getResult().length == 1) {
final JavaResolveResult javaResolveResult = processor.getResult()[0];
if (javaResolveResult != JavaResolveResult.EMPTY && getOptions() != null) {
final Boolean value =
JavaClassReferenceProvider.RESOLVE_QUALIFIED_CLASS_NAME.getValue(getOptions());
final PsiClass psiClass = (PsiClass) javaResolveResult.getElement();
if (value != null && value.booleanValue() && psiClass != null) {
final String qualifiedName = psiClass.getQualifiedName();
if (!qName.equals(qualifiedName)) {
return JavaResolveResult.EMPTY;
}
}
}
return javaResolveResult;
}
}
}
return resolveResult != null
? new CandidateInfo(resolveResult, PsiSubstitutor.EMPTY, false, false, psiElement)
: JavaResolveResult.EMPTY;
}
private static boolean canHaveSiblingSuper(PsiMethod method, PsiClass containingClass) {
return containingClass != null
&& PsiUtil.canBeOverriden(method)
&& !method.hasModifierProperty(PsiModifier.ABSTRACT)
&& !method.hasModifierProperty(PsiModifier.NATIVE)
&& method.hasModifierProperty(PsiModifier.PUBLIC)
&& !containingClass.isInterface()
&& !CommonClassNames.JAVA_LANG_OBJECT.equals(containingClass.getQualifiedName());
}
public static boolean isClassEquivalentTo(@NotNull PsiClass aClass, PsiElement another) {
if (aClass == another) return true;
if (!(another instanceof PsiClass)) return false;
String name1 = aClass.getName();
if (name1 == null) return false;
if (!another.isValid()) return false;
String name2 = ((PsiClass) another).getName();
if (name2 == null) return false;
if (name1.hashCode() != name2.hashCode()) return false;
if (!name1.equals(name2)) return false;
String qName1 = aClass.getQualifiedName();
String qName2 = ((PsiClass) another).getQualifiedName();
if (qName1 == null || qName2 == null) {
//noinspection StringEquality
if (qName1 != qName2) return false;
if (aClass instanceof PsiTypeParameter && another instanceof PsiTypeParameter) {
PsiTypeParameter p1 = (PsiTypeParameter) aClass;
PsiTypeParameter p2 = (PsiTypeParameter) another;
return p1.getIndex() == p2.getIndex()
&& aClass.getManager().areElementsEquivalent(p1.getOwner(), p2.getOwner());
} else {
return false;
}
}
if (qName1.hashCode() != qName2.hashCode() || !qName1.equals(qName2)) {
return false;
}
if (originalElement(aClass).equals(originalElement((PsiClass) another))) {
return true;
}
final PsiFile file1 = aClass.getContainingFile().getOriginalFile();
final PsiFile file2 = another.getContainingFile().getOriginalFile();
// see com.intellij.openapi.vcs.changes.PsiChangeTracker
// see com.intellij.psi.impl.PsiFileFactoryImpl#createFileFromText(CharSequence,PsiFile)
final PsiFile original1 = file1.getUserData(PsiFileFactory.ORIGINAL_FILE);
final PsiFile original2 = file2.getUserData(PsiFileFactory.ORIGINAL_FILE);
if (original1 == original2 && original1 != null
|| original1 == file2
|| original2 == file1
|| file1 == file2) {
return compareClassSeqNumber(aClass, (PsiClass) another);
}
final FileIndexFacade fileIndex =
ServiceManager.getService(file1.getProject(), FileIndexFacade.class);
final VirtualFile vfile1 = file1.getViewProvider().getVirtualFile();
final VirtualFile vfile2 = file2.getViewProvider().getVirtualFile();
boolean lib1 = fileIndex.isInLibraryClasses(vfile1);
boolean lib2 = fileIndex.isInLibraryClasses(vfile2);
return (fileIndex.isInSource(vfile1) || lib1) && (fileIndex.isInSource(vfile2) || lib2);
}
private static boolean canHaveSuperMethod(
PsiMethod method, boolean checkAccess, boolean allowStaticMethod) {
if (method.isConstructor()) return false;
if (!allowStaticMethod && method.hasModifierProperty(PsiModifier.STATIC)) return false;
if (checkAccess && method.hasModifierProperty(PsiModifier.PRIVATE)) return false;
PsiClass parentClass = method.getContainingClass();
return parentClass != null
&& !CommonClassNames.JAVA_LANG_OBJECT.equals(parentClass.getQualifiedName());
}
private static void findClassUsages(
final PsiClass psiClass,
final PsiElement[] allElementsToDelete,
final List<UsageInfo> usages) {
final boolean justPrivates = containsOnlyPrivates(psiClass);
final String qualifiedName = psiClass.getQualifiedName();
final boolean annotationType = psiClass.isAnnotationType() && qualifiedName != null;
ReferencesSearch.search(psiClass)
.forEach(
reference -> {
final PsiElement element = reference.getElement();
if (!isInside(element, allElementsToDelete)) {
PsiElement parent = element.getParent();
if (parent instanceof PsiReferenceList) {
final PsiElement pparent = parent.getParent();
if (pparent instanceof PsiClass
&& element instanceof PsiJavaCodeReferenceElement) {
final PsiClass inheritor = (PsiClass) pparent;
// If psiClass contains only private members, then it is safe to remove it and
// change inheritor's extends/implements accordingly
if (justPrivates) {
if (parent.equals(inheritor.getExtendsList())
|| parent.equals(inheritor.getImplementsList())) {
usages.add(
new SafeDeleteExtendsClassUsageInfo(
(PsiJavaCodeReferenceElement) element, psiClass, inheritor));
return true;
}
}
}
}
LOG.assertTrue(element.getTextRange() != null);
final PsiFile containingFile = psiClass.getContainingFile();
boolean sameFileWithSingleClass = false;
if (containingFile instanceof PsiClassOwner) {
final PsiClass[] classes = ((PsiClassOwner) containingFile).getClasses();
sameFileWithSingleClass =
classes.length == 1
&& classes[0] == psiClass
&& element.getContainingFile() == containingFile;
}
final boolean safeDelete = sameFileWithSingleClass || isInNonStaticImport(element);
if (annotationType && parent instanceof PsiAnnotation) {
usages.add(
new SafeDeleteAnnotation((PsiAnnotation) parent, psiClass, safeDelete));
} else {
usages.add(
new SafeDeleteReferenceJavaDeleteUsageInfo(element, psiClass, safeDelete));
}
}
return true;
});
}
private void processIfJavaLangClass(@Nullable PsiType type) {
if (!(type instanceof PsiClassType)) return;
final PsiClass psiClass = ((PsiClassType) type).resolve();
if (psiClass == null || !CommonClassNames.JAVA_LANG_CLASS.equals(psiClass.getQualifiedName()))
return;
final PsiType[] params = ((PsiClassType) type).getParameters();
if (params.length != 1) return;
getVariantsFromQualifierType(params[0], myRefExpr.getProject());
}
private static boolean normalCase(@NotNull PsiMethod method) {
int counter = 0;
for (HierarchicalMethodSignature s :
method.getHierarchicalMethodSignature().getSuperSignatures()) {
PsiClass containingClass = s.getMethod().getContainingClass();
String qualifiedName = containingClass != null ? containingClass.getQualifiedName() : "";
if (qualifiedName != null && !qualifiedName.equals(JAVA_LANG_OBJECT)) {
counter++;
}
}
return counter > 0;
}
private static boolean isOverrideObjectDirect(@NotNull PsiMethod method) {
List<HierarchicalMethodSignature> superSignatures =
method.getHierarchicalMethodSignature().getSuperSignatures();
if (superSignatures.size() == 1) {
PsiClass containingClass = superSignatures.get(0).getMethod().getContainingClass();
String qualifiedName = containingClass != null ? containingClass.getQualifiedName() : "";
if (qualifiedName != null && qualifiedName.equals(JAVA_LANG_OBJECT)) {
return true;
}
}
return false;
}
private static boolean isInheritFromObject(@NotNull PsiMethod method) {
List<HierarchicalMethodSignature> superSignatures =
method.getHierarchicalMethodSignature().getSuperSignatures();
for (HierarchicalMethodSignature s : superSignatures) {
PsiClass containingClass = s.getMethod().getContainingClass();
String qualifiedName = containingClass != null ? containingClass.getQualifiedName() : "";
if (qualifiedName != null && qualifiedName.equals(JAVA_LANG_OBJECT)) {
return true;
}
}
return false;
}
@Nullable
private static String getTopmostOwnerClassQualifiedName(@NotNull PsiClass psiClass) {
PsiClass ownerClass = null;
for (PsiClass aClass = psiClass.getContainingClass();
aClass != null;
aClass = aClass.getContainingClass()) {
ownerClass = aClass;
}
if (ownerClass != null) {
return ownerClass.getQualifiedName();
}
return null;
}
/**
* ImportUtils currently checks all inner classes, even those that are contained in inner classes
* themselves, because it doesn't know the location of the original fully qualified reference. It
* should really only check if the containing class of the fully qualified reference has any
* conflicting inner classes.
*/
private static boolean containsConflictingInnerClass(String fqName, PsiClass aClass) {
final String shortName = ClassUtil.extractClassName(fqName);
if (shortName.equals(aClass.getName()) && !fqName.equals(aClass.getQualifiedName())) {
return true;
}
final PsiClass[] classes = aClass.getInnerClasses();
for (PsiClass innerClass : classes) {
if (containsConflictingInnerClass(fqName, innerClass)) {
return true;
}
}
return false;
}
private static boolean overridesObjectOrGroovyObject(PsiMethod method) {
final String name = method.getName();
if (!OBJECT_METHODS.contains(name) && !GROOVY_OBJECT_METHODS.contains(name)) return false;
final PsiMethod superMethod = PsiSuperMethodImplUtil.findDeepestSuperMethod(method);
if (superMethod == null) return false;
final PsiClass superClass = superMethod.getContainingClass();
if (superClass == null) return false;
final String qname = superClass.getQualifiedName();
return CommonClassNames.JAVA_LANG_OBJECT.equals(qname)
|| GroovyCommonClassNames.GROOVY_OBJECT.equals(qname);
}
private static boolean overridesPublicObjectMethod(PsiMethod psiMethod) {
boolean overrideObject = false;
for (PsiMethod superMethod : psiMethod.findDeepestSuperMethods()) {
final PsiClass containingClass = superMethod.getContainingClass();
if (containingClass != null
&& CommonClassNames.JAVA_LANG_OBJECT.equals(containingClass.getQualifiedName())) {
if (superMethod.hasModifierProperty(PsiModifier.PUBLIC)) {
overrideObject = true;
break;
}
}
}
return overrideObject;
}
public static boolean nameCanBeImported(@NotNull String fqName, @NotNull PsiElement context) {
final PsiClass containingClass = PsiTreeUtil.getParentOfType(context, PsiClass.class);
if (containingClass != null) {
if (fqName.equals(containingClass.getQualifiedName())) {
return true;
}
final String shortName = ClassUtil.extractClassName(fqName);
final PsiClass[] innerClasses = containingClass.getAllInnerClasses();
for (PsiClass innerClass : innerClasses) {
if (innerClass.hasModifierProperty(PsiModifier.PRIVATE)) {
continue;
}
if (innerClass.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) {
if (!ClassUtils.inSamePackage(innerClass, containingClass)) {
continue;
}
}
final String className = innerClass.getName();
if (shortName.equals(className)) {
return false;
}
}
PsiField field = containingClass.findFieldByName(shortName, false);
if (field != null) {
return false;
}
field = containingClass.findFieldByName(shortName, true);
if (field != null
&& PsiUtil.isAccessible(containingClass.getProject(), field, containingClass, null)) {
return false;
}
}
final PsiJavaFile file = PsiTreeUtil.getParentOfType(context, PsiJavaFile.class);
if (file == null) {
return false;
}
if (hasExactImportConflict(fqName, file)) {
return false;
}
if (hasOnDemandImportConflict(fqName, file, true)) {
return false;
}
if (containsConflictingReference(file, fqName)) {
return false;
}
if (containsConflictingClass(fqName, file)) {
return false;
}
return !containsConflictingClassName(fqName, file);
}
