/** signature should be changed for methods with type parameters */
private void prepareMethodsChangeSignature(
final PsiClass currentClass,
final PsiElement memberToChangeSignature,
final PsiType memberType) {
if (memberToChangeSignature instanceof PsiMethod) {
final PsiMethod method =
MethodSignatureUtil.findMethodBySuperMethod(
currentClass, (PsiMethod) memberToChangeSignature, true);
if (method != null && method.getContainingClass() == currentClass) {
myLabeler.addRoot(new TypeMigrationUsageInfo(method), memberType, method, false);
}
} else if (memberToChangeSignature instanceof PsiParameter
&& ((PsiParameter) memberToChangeSignature).getDeclarationScope() instanceof PsiMethod) {
final PsiMethod superMethod =
(PsiMethod) ((PsiParameter) memberToChangeSignature).getDeclarationScope();
final int parameterIndex =
superMethod.getParameterList().getParameterIndex((PsiParameter) memberToChangeSignature);
final PsiMethod method =
MethodSignatureUtil.findMethodBySuperMethod(currentClass, superMethod, true);
if (method != null && method.getContainingClass() == currentClass) {
final PsiParameter parameter = method.getParameterList().getParameters()[parameterIndex];
if (!parameter.getType().equals(memberType)) {
myLabeler.addRoot(new TypeMigrationUsageInfo(parameter), memberType, parameter, false);
}
}
}
}
private static boolean isAppMain(PsiMethod psiMethod, RefMethod refMethod) {
if (!refMethod.isStatic()) return false;
if (!PsiType.VOID.equals(psiMethod.getReturnType())) return false;
PsiMethod appMainPattern = ((RefMethodImpl) refMethod).getRefJavaManager().getAppMainPattern();
if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appMainPattern)) return true;
PsiMethod appPremainPattern =
((RefMethodImpl) refMethod).getRefJavaManager().getAppPremainPattern();
if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appPremainPattern)) return true;
PsiMethod appAgentmainPattern =
((RefMethodImpl) refMethod).getRefJavaManager().getAppAgentmainPattern();
return MethodSignatureUtil.areSignaturesEqual(psiMethod, appAgentmainPattern);
}
@NotNull
private static PsiMethod[] findSuperMethodsInternal(PsiMethod method, PsiClass parentClass) {
List<MethodSignatureBackedByPsiMethod> outputMethods =
findSuperMethodSignatures(method, parentClass, false);
return MethodSignatureUtil.convertMethodSignaturesToMethods(outputMethods);
}
private static PsiSubstitutor calculateSubstitutor(
PsiMethod derivedMethod, PsiMethod baseMethod) {
PsiSubstitutor substitutor;
if (derivedMethod.getManager().areElementsEquivalent(derivedMethod, baseMethod)) {
substitutor = PsiSubstitutor.EMPTY;
} else {
final PsiClass baseClass = baseMethod.getContainingClass();
final PsiClass derivedClass = derivedMethod.getContainingClass();
if (baseClass != null
&& derivedClass != null
&& InheritanceUtil.isInheritorOrSelf(derivedClass, baseClass, true)) {
final PsiSubstitutor superClassSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(
baseClass, derivedClass, PsiSubstitutor.EMPTY);
final MethodSignature superMethodSignature = baseMethod.getSignature(superClassSubstitutor);
final MethodSignature methodSignature = derivedMethod.getSignature(PsiSubstitutor.EMPTY);
final PsiSubstitutor superMethodSubstitutor =
MethodSignatureUtil.getSuperMethodSignatureSubstitutor(
methodSignature, superMethodSignature);
substitutor =
superMethodSubstitutor != null ? superMethodSubstitutor : superClassSubstitutor;
} else {
substitutor = PsiSubstitutor.EMPTY;
}
}
return substitutor;
}
@Override
public boolean isMemberEnabled(MemberInfo member) {
final PsiClass currentSuperClass = getSuperClass();
if (currentSuperClass == null) return true;
if (myMemberInfoStorage.getDuplicatedMemberInfos(currentSuperClass).contains(member))
return false;
if (myMemberInfoStorage.getExtending(currentSuperClass).contains(member.getMember()))
return false;
final boolean isInterface = currentSuperClass.isInterface();
if (!isInterface) return true;
PsiElement element = member.getMember();
if (element instanceof PsiClass && ((PsiClass) element).isInterface()) return true;
if (element instanceof PsiField) {
return ((PsiModifierListOwner) element).hasModifierProperty(PsiModifier.STATIC);
}
if (element instanceof PsiMethod) {
final PsiSubstitutor superSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(
currentSuperClass, myClass, PsiSubstitutor.EMPTY);
final MethodSignature signature = ((PsiMethod) element).getSignature(superSubstitutor);
final PsiMethod superClassMethod =
MethodSignatureUtil.findMethodBySignature(currentSuperClass, signature, false);
if (superClassMethod != null && !PsiUtil.isLanguageLevel8OrHigher(currentSuperClass))
return false;
return !((PsiModifierListOwner) element).hasModifierProperty(PsiModifier.STATIC)
|| PsiUtil.isLanguageLevel8OrHigher(currentSuperClass);
}
return true;
}
public boolean isAvailable(
@NotNull final Project project, final Editor editor, final PsiFile file) {
return myMethod != null
&& myMethod.isValid()
&& myClass != null
&& myClass.isValid()
&& myClass.getManager().isInProject(myClass)
&& myText != null
&& MethodSignatureUtil.findMethodBySignature(myClass, myMethod, false) == null;
}
private static boolean isMultipleInterfacesImplementation(
final PsiMethod method, PsiMethod originalMethod, final PsiElement[] allElementsToDelete) {
final PsiMethod[] methods = method.findSuperMethods();
for (PsiMethod superMethod : methods) {
if (ArrayUtil.find(allElementsToDelete, superMethod) < 0
&& !MethodSignatureUtil.isSuperMethod(originalMethod, superMethod)) {
return true;
}
}
return false;
}
static boolean isInheritorOrSelf(PsiMethod inheritorCandidate, PsiMethod base) {
PsiClass aClass = inheritorCandidate.getContainingClass();
PsiClass bClass = base.getContainingClass();
if (aClass == null || bClass == null) return false;
PsiSubstitutor substitutor =
TypeConversionUtil.getClassSubstitutor(bClass, aClass, PsiSubstitutor.EMPTY);
return substitutor != null
&& MethodSignatureUtil.findMethodBySignature(
bClass, inheritorCandidate.getSignature(substitutor), false)
== base;
}
public static boolean isMainOrPremainMethod(@NotNull PsiMethod method) {
if (!PsiType.VOID.equals(method.getReturnType())) return false;
String name = method.getName();
if (!("main".equals(name) || "premain".equals(name))) return false;
PsiElementFactory factory = JavaPsiFacade.getInstance(method.getProject()).getElementFactory();
MethodSignature signature = method.getSignature(PsiSubstitutor.EMPTY);
try {
MethodSignature main = createSignatureFromText(factory, "void main(String[] args);");
if (MethodSignatureUtil.areSignaturesEqual(signature, main)) return true;
MethodSignature premain =
createSignatureFromText(
factory, "void premain(String args, java.lang.instrument.Instrumentation i);");
if (MethodSignatureUtil.areSignaturesEqual(signature, premain)) return true;
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return false;
}
private static boolean callerSignatureIsAboutToChangeToo(
final PsiMethod caller, final UsageInfo[] usages) {
for (UsageInfo usage : usages) {
if (usage instanceof MethodCallUsageInfo
&& MethodSignatureUtil.isSuperMethod(
((MethodCallUsageInfo) usage).getReferencedMethod(), caller)) {
return true;
}
}
return false;
}
@Nullable
private static PsiMethod getMethod(PsiClass psiClass, MethodSignature methodSignature) {
final PsiMethod[] methodsByName = psiClass.findMethodsByName(methodSignature.getName(), true);
for (PsiMethod psiMethod : methodsByName) {
if (MethodSignatureUtil.areSignaturesEqual(
getMethodSignature(psiMethod, psiClass, psiMethod.getContainingClass()),
methodSignature)) {
return psiMethod;
}
}
return null;
}
private boolean isOverridden(
PsiClass inheritor, PsiMethod method, PsiMethod superMethod, PsiClass superInterface) {
// calculate substitutor of containingClass --> inheritor
PsiSubstitutor substitutor =
TypeConversionUtil.getSuperClassSubstitutor(
myContainingClass, inheritor, PsiSubstitutor.EMPTY);
// calculate substitutor of inheritor --> superInterface
substitutor =
TypeConversionUtil.getSuperClassSubstitutor(superInterface, inheritor, substitutor);
return MethodSignatureUtil.isSubsignature(
superMethod.getSignature(substitutor), method.getSignature(PsiSubstitutor.EMPTY));
}
@Override
public boolean setupDefaultValues(
ChangeInfo changeInfo, Ref<UsageInfo[]> refUsages, Project project) {
if (!(changeInfo instanceof JavaChangeInfo)) return true;
for (UsageInfo usageInfo : refUsages.get()) {
if (usageInfo instanceof GrMethodCallUsageInfo) {
GrMethodCallUsageInfo methodCallUsageInfo = (GrMethodCallUsageInfo) usageInfo;
if (methodCallUsageInfo.isToChangeArguments()) {
final PsiElement element = methodCallUsageInfo.getElement();
if (element == null) continue;
final PsiMethod caller = RefactoringUtil.getEnclosingMethod(element);
final boolean needDefaultValue =
!((JavaChangeInfo) changeInfo).getMethodsToPropagateParameters().contains(caller);
final PsiMethod referencedMethod = methodCallUsageInfo.getReferencedMethod();
if (needDefaultValue
&& (caller == null
|| referencedMethod == null
|| !MethodSignatureUtil.isSuperMethod(referencedMethod, caller))) {
final ParameterInfo[] parameters = changeInfo.getNewParameters();
for (ParameterInfo parameter : parameters) {
final String defaultValue = parameter.getDefaultValue();
if (defaultValue == null && parameter.getOldIndex() == -1) {
((ParameterInfoImpl) parameter).setDefaultValue("");
if (!ApplicationManager.getApplication().isUnitTestMode()) {
final PsiType type =
((ParameterInfoImpl) parameter)
.getTypeWrapper()
.getType(element, element.getManager());
final DefaultValueChooser chooser =
new DefaultValueChooser(
project, parameter.getName(), PsiTypesUtil.getDefaultValueOfType(type));
chooser.show();
if (chooser.isOK()) {
if (chooser.feelLucky()) {
parameter.setUseAnySingleVariable(true);
} else {
((ParameterInfoImpl) parameter).setDefaultValue(chooser.getDefaultValue());
}
} else {
return false;
}
}
}
}
}
}
}
}
return true;
}
@Override
public boolean isAvailable(
@NotNull Project project,
@NotNull PsiFile file,
@NotNull PsiElement startElement,
@NotNull PsiElement endElement) {
final PsiClass myClass = (PsiClass) startElement;
return myMethodPrototype != null
&& myMethodPrototype.isValid()
&& myClass.isValid()
&& myClass.getManager().isInProject(myClass)
&& myText != null
&& MethodSignatureUtil.findMethodBySignature(myClass, myMethodPrototype, false) == null;
}
@Nullable
private static List<MethodSignature> hasSubsignature(List<MethodSignature> signatures) {
for (MethodSignature signature : signatures) {
boolean subsignature = true;
for (MethodSignature methodSignature : signatures) {
if (!signature.equals(methodSignature)) {
if (!MethodSignatureUtil.isSubsignature(signature, methodSignature)) {
subsignature = false;
break;
}
}
}
if (subsignature) return Collections.singletonList(signature);
}
return signatures;
}
private boolean shouldFixSuper(PsiMethod method) {
for (PsiMember element : myMembersAfterMove) {
if (element instanceof PsiMethod) {
PsiMethod member = (PsiMethod) element;
// if there is such member among moved members, super qualifier
// should not be removed
final PsiManager manager = method.getManager();
if (manager.areElementsEquivalent(
member.getContainingClass(), method.getContainingClass())
&& MethodSignatureUtil.areSignaturesEqual(member, method)) {
return false;
}
}
}
final PsiMethod methodFromSuper = myTargetSuperClass.findMethodBySignature(method, false);
return methodFromSuper == null;
}
private static boolean isSuperMethod(
PsiClass aClass,
HierarchicalMethodSignature hierarchicalMethodSignature,
HierarchicalMethodSignature superSignatureHierarchical) {
PsiMethod superMethod = superSignatureHierarchical.getMethod();
PsiClass superClass = superMethod.getContainingClass();
PsiClass containingClass = hierarchicalMethodSignature.getMethod().getContainingClass();
if (!superMethod.isConstructor()) {
if (!aClass.equals(superClass)) {
if (PsiUtil.isAccessible(aClass.getProject(), superMethod, aClass, aClass)) {
if (MethodSignatureUtil.isSubsignature(
superSignatureHierarchical, hierarchicalMethodSignature)) {
if (superClass != null) {
if (superClass.isInterface()
|| CommonClassNames.JAVA_LANG_OBJECT.equals(superClass.getQualifiedName())) {
if (superMethod.hasModifierProperty(PsiModifier.DEFAULT)
|| hierarchicalMethodSignature
.getMethod()
.hasModifierProperty(PsiModifier.DEFAULT)) {
return !InheritanceUtil.isInheritorOrSelf(superClass, containingClass, true);
}
return true;
}
if (containingClass != null) {
if (containingClass.isInterface()) {
return false;
}
if (!aClass.isInterface()
&& !InheritanceUtil.isInheritorOrSelf(superClass, containingClass, true)) {
return true;
}
}
}
}
}
}
}
return false;
}
@Override
public boolean isCallToSuperMethod(PsiExpression expression, PsiMethod method) {
if (expression instanceof PsiMethodCallExpression) {
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) expression;
if (methodCall.getMethodExpression().getQualifierExpression() instanceof PsiSuperExpression) {
PsiMethod superMethod = (PsiMethod) methodCall.getMethodExpression().resolve();
if (superMethod == null || !MethodSignatureUtil.areSignaturesEqual(method, superMethod))
return false;
PsiExpression[] args = methodCall.getArgumentList().getExpressions();
PsiParameter[] parms = method.getParameterList().getParameters();
for (int i = 0; i < args.length; i++) {
PsiExpression arg = args[i];
if (!(arg instanceof PsiReferenceExpression)) return false;
if (!parms[i].equals(((PsiReferenceExpression) arg).resolve())) return false;
}
return true;
}
}
return false;
}
private Specifics isMoreSpecific(
@NotNull MethodCandidateInfo info1,
@NotNull MethodCandidateInfo info2,
@MethodCandidateInfo.ApplicabilityLevelConstant int applicabilityLevel,
@NotNull LanguageLevel languageLevel) {
PsiMethod method1 = info1.getElement();
PsiMethod method2 = info2.getElement();
final PsiClass class1 = method1.getContainingClass();
final PsiClass class2 = method2.getContainingClass();
final PsiParameter[] params1 = method1.getParameterList().getParameters();
final PsiParameter[] params2 = method2.getParameterList().getParameters();
final PsiTypeParameter[] typeParameters1 = method1.getTypeParameters();
final PsiTypeParameter[] typeParameters2 = method2.getTypeParameters();
final PsiSubstitutor classSubstitutor1 =
info1.getSubstitutor(false); // substitutions for method type parameters will be ignored
final PsiSubstitutor classSubstitutor2 = info2.getSubstitutor(false);
final int max = Math.max(params1.length, params2.length);
PsiType[] types1 = PsiType.createArray(max);
PsiType[] types2 = PsiType.createArray(max);
final boolean varargsPosition =
applicabilityLevel == MethodCandidateInfo.ApplicabilityLevel.VARARGS;
for (int i = 0; i < max; i++) {
ProgressManager.checkCanceled();
PsiType type1 =
params1.length > 0 ? params1[Math.min(i, params1.length - 1)].getType() : null;
PsiType type2 =
params2.length > 0 ? params2[Math.min(i, params2.length - 1)].getType() : null;
if (varargsPosition) {
if (type1 instanceof PsiEllipsisType
&& type2 instanceof PsiEllipsisType
&& params1.length == params2.length
&& class1 != null
&& (!JavaVersionService.getInstance().isAtLeast(class1, JavaSdkVersion.JDK_1_7)
|| ((PsiArrayType) type1)
.getComponentType()
.equalsToText(CommonClassNames.JAVA_LANG_OBJECT)
|| ((PsiArrayType) type2)
.getComponentType()
.equalsToText(CommonClassNames.JAVA_LANG_OBJECT))) {
type1 = ((PsiEllipsisType) type1).toArrayType();
type2 = ((PsiEllipsisType) type2).toArrayType();
} else {
type1 =
type1 instanceof PsiEllipsisType ? ((PsiArrayType) type1).getComponentType() : type1;
type2 =
type2 instanceof PsiEllipsisType ? ((PsiArrayType) type2).getComponentType() : type2;
}
}
types1[i] = type1;
types2[i] = type2;
}
boolean sameBoxing = true;
int[] boxingHappened = new int[2];
for (int i = 0; i < types1.length; i++) {
ProgressManager.checkCanceled();
PsiType type1 = classSubstitutor1.substitute(types1[i]);
PsiType type2 = classSubstitutor2.substitute(types2[i]);
PsiType argType = i < getActualParameterTypes().length ? getActualParameterTypes()[i] : null;
boolean boxingInFirst = false;
if (isBoxingHappened(argType, type1, languageLevel)) {
boxingHappened[0] += 1;
boxingInFirst = true;
}
boolean boxingInSecond = false;
if (isBoxingHappened(argType, type2, languageLevel)) {
boxingHappened[1] += 1;
boxingInSecond = true;
}
sameBoxing &= boxingInFirst == boxingInSecond;
}
if (boxingHappened[0] == 0 && boxingHappened[1] > 0) return Specifics.FIRST;
if (boxingHappened[0] > 0 && boxingHappened[1] == 0) return Specifics.SECOND;
if (sameBoxing) {
final PsiSubstitutor siteSubstitutor1 = info1.getSiteSubstitutor();
final PsiSubstitutor siteSubstitutor2 = info2.getSiteSubstitutor();
final PsiType[] types2AtSite = typesAtSite(types2, siteSubstitutor2);
final PsiType[] types1AtSite = typesAtSite(types1, siteSubstitutor1);
final PsiSubstitutor methodSubstitutor1 =
calculateMethodSubstitutor(
typeParameters1, method1, siteSubstitutor1, types1, types2AtSite, languageLevel);
boolean applicable12 =
isApplicableTo(
types2AtSite, method1, languageLevel, varargsPosition, methodSubstitutor1, method2);
final PsiSubstitutor methodSubstitutor2 =
calculateMethodSubstitutor(
typeParameters2, method2, siteSubstitutor2, types2, types1AtSite, languageLevel);
boolean applicable21 =
isApplicableTo(
types1AtSite, method2, languageLevel, varargsPosition, methodSubstitutor2, method1);
if (!myLanguageLevel.isAtLeast(LanguageLevel.JDK_1_8)) {
final boolean typeArgsApplicable12 =
GenericsUtil.isTypeArgumentsApplicable(
typeParameters1, methodSubstitutor1, myArgumentsList, !applicable21);
final boolean typeArgsApplicable21 =
GenericsUtil.isTypeArgumentsApplicable(
typeParameters2, methodSubstitutor2, myArgumentsList, !applicable12);
if (!typeArgsApplicable12) {
applicable12 = false;
}
if (!typeArgsApplicable21) {
applicable21 = false;
}
}
if (applicable12 || applicable21) {
if (applicable12 && !applicable21) return Specifics.SECOND;
if (applicable21 && !applicable12) return Specifics.FIRST;
final boolean abstract1 = method1.hasModifierProperty(PsiModifier.ABSTRACT);
final boolean abstract2 = method2.hasModifierProperty(PsiModifier.ABSTRACT);
if (abstract1 && !abstract2) {
return Specifics.SECOND;
}
if (abstract2 && !abstract1) {
return Specifics.FIRST;
}
}
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)
&& myArgumentsList instanceof PsiExpressionList
&& (typeParameters1.length == 0 || typeParameters2.length == 0)) {
boolean toCompareFunctional = false;
if (types1.length > 0 && types2.length > 0) {
for (int i = 0; i < getActualParametersLength(); i++) {
final PsiType type1 = types1[Math.min(i, types1.length - 1)];
final PsiType type2 = types2[Math.min(i, types2.length - 1)];
// from 15.12.2.5 Choosing the Most Specific Method
// In addition, a functional interface type S is more specific than a functional
// interface type T for an expression exp
// if T is not a subtype of S and one of the following conditions apply.
if (LambdaUtil.isFunctionalType(type1)
&& !TypeConversionUtil.erasure(type1).isAssignableFrom(type2)
&& LambdaUtil.isFunctionalType(type2)
&& !TypeConversionUtil.erasure(type2).isAssignableFrom(type1)) {
types1AtSite[Math.min(i, types1.length - 1)] = PsiType.NULL;
types2AtSite[Math.min(i, types2.length - 1)] = PsiType.NULL;
toCompareFunctional = true;
}
}
}
if (toCompareFunctional) {
final boolean applicable12ignoreFunctionalType =
isApplicableTo(
types2AtSite,
method1,
languageLevel,
varargsPosition,
calculateMethodSubstitutor(
typeParameters1,
method1,
siteSubstitutor1,
types1,
types2AtSite,
languageLevel),
null);
final boolean applicable21ignoreFunctionalType =
isApplicableTo(
types1AtSite,
method2,
languageLevel,
varargsPosition,
calculateMethodSubstitutor(
typeParameters2,
method2,
siteSubstitutor2,
types2,
types1AtSite,
languageLevel),
null);
if (applicable12ignoreFunctionalType || applicable21ignoreFunctionalType) {
Specifics specifics = null;
for (int i = 0; i < getActualParametersLength(); i++) {
if (types1AtSite[Math.min(i, types1.length - 1)] == PsiType.NULL
&& types2AtSite[Math.min(i, types2.length - 1)] == PsiType.NULL) {
Specifics specific =
isFunctionalTypeMoreSpecific(
info1, info2, ((PsiExpressionList) myArgumentsList).getExpressions()[i], i);
if (specific == Specifics.NEITHER) {
specifics = Specifics.NEITHER;
break;
}
if (specifics == null) {
specifics = specific;
} else if (specifics != specific) {
specifics = Specifics.NEITHER;
break;
}
}
}
if (!applicable12ignoreFunctionalType && applicable21ignoreFunctionalType) {
return specifics == Specifics.FIRST ? Specifics.FIRST : Specifics.NEITHER;
}
if (!applicable21ignoreFunctionalType && applicable12ignoreFunctionalType) {
return specifics == Specifics.SECOND ? Specifics.SECOND : Specifics.NEITHER;
}
return specifics;
}
}
}
} else if (varargsPosition) {
final PsiType lastParamType1 = classSubstitutor1.substitute(types1[types1.length - 1]);
final PsiType lastParamType2 = classSubstitutor2.substitute(types2[types1.length - 1]);
final boolean assignable1 = TypeConversionUtil.isAssignable(lastParamType2, lastParamType1);
final boolean assignable2 = TypeConversionUtil.isAssignable(lastParamType1, lastParamType2);
if (assignable1 && !assignable2) {
return Specifics.FIRST;
}
if (assignable2 && !assignable1) {
return Specifics.SECOND;
}
}
if (class1 != class2) {
if (class2.isInheritor(class1, true) || class1.isInterface() && !class2.isInterface()) {
if (MethodSignatureUtil.isSubsignature(
method1.getSignature(info1.getSubstitutor(false)),
method2.getSignature(info2.getSubstitutor(false)))) {
return Specifics.SECOND;
} else if (method1.hasModifierProperty(PsiModifier.STATIC)
&& method2.hasModifierProperty(PsiModifier.STATIC)
&& boxingHappened[0] == 0) {
return Specifics.SECOND;
}
} else if (MethodSignatureUtil.areErasedParametersEqual(
method1.getSignature(PsiSubstitutor.EMPTY),
method2.getSignature(PsiSubstitutor.EMPTY))
&& MethodSignatureUtil.isSubsignature(
method2.getSignature(info2.getSubstitutor(false)),
method1.getSignature(info1.getSubstitutor(false)))) {
return Specifics.FIRST;
} else if (class1.isInheritor(class2, true) || class2.isInterface()) {
if (method1.hasModifierProperty(PsiModifier.STATIC)
&& method2.hasModifierProperty(PsiModifier.STATIC)
&& boxingHappened[0] == 0) {
return Specifics.FIRST;
}
}
}
final boolean raw1 = PsiUtil.isRawSubstitutor(method1, classSubstitutor1);
final boolean raw2 = PsiUtil.isRawSubstitutor(method2, classSubstitutor2);
if (raw1 ^ raw2) {
return raw1 ? Specifics.SECOND : Specifics.FIRST;
}
final boolean varargs1 = info1.isVarargs();
final boolean varargs2 = info2.isVarargs();
if (varargs1 ^ varargs2) {
return varargs1 ? Specifics.SECOND : Specifics.FIRST;
}
return Specifics.NEITHER;
}
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)));
}
}
}
}
}
}
}
static void setupPatternMethods(
PsiManager manager,
GlobalSearchScope searchScope,
List<PsiMethod> patternMethods,
IntArrayList indices) {
final JavaPsiFacade javaPsiFacade = JavaPsiFacade.getInstance(manager.getProject());
final PsiClass collectionClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_COLLECTION, searchScope);
PsiType[] javaLangObject = {PsiType.getJavaLangObject(manager, searchScope)};
MethodSignature removeSignature =
MethodSignatureUtil.createMethodSignature(
"remove", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
if (collectionClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(collectionClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature containsSignature =
MethodSignatureUtil.createMethodSignature(
"contains", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod contains =
MethodSignatureUtil.findMethodBySignature(collectionClass, containsSignature, false);
addMethod(contains, 0, patternMethods, indices);
if (PsiUtil.isLanguageLevel5OrHigher(collectionClass)) {
PsiClassType wildcardCollection =
javaPsiFacade
.getElementFactory()
.createType(collectionClass, PsiWildcardType.createUnbounded(manager));
MethodSignature removeAllSignature =
MethodSignatureUtil.createMethodSignature(
"removeAll",
new PsiType[] {wildcardCollection},
PsiTypeParameter.EMPTY_ARRAY,
PsiSubstitutor.EMPTY);
PsiMethod removeAll =
MethodSignatureUtil.findMethodBySignature(collectionClass, removeAllSignature, false);
addMethod(removeAll, 0, patternMethods, indices);
}
}
final PsiClass listClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, searchScope);
if (listClass != null) {
MethodSignature indexofSignature =
MethodSignatureUtil.createMethodSignature(
"indexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod indexof =
MethodSignatureUtil.findMethodBySignature(listClass, indexofSignature, false);
addMethod(indexof, 0, patternMethods, indices);
MethodSignature lastindexofSignature =
MethodSignatureUtil.createMethodSignature(
"lastIndexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod lastindexof =
MethodSignatureUtil.findMethodBySignature(listClass, lastindexofSignature, false);
addMethod(lastindexof, 0, patternMethods, indices);
}
final PsiClass mapClass = javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_MAP, searchScope);
if (mapClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(mapClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature getSignature =
MethodSignatureUtil.createMethodSignature(
"get", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod get = MethodSignatureUtil.findMethodBySignature(mapClass, getSignature, false);
addMethod(get, 0, patternMethods, indices);
MethodSignature containsKeySignature =
MethodSignatureUtil.createMethodSignature(
"containsKey", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsKey =
MethodSignatureUtil.findMethodBySignature(mapClass, containsKeySignature, false);
addMethod(containsKey, 0, patternMethods, indices);
MethodSignature containsValueSignature =
MethodSignatureUtil.createMethodSignature(
"containsValue", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsValue =
MethodSignatureUtil.findMethodBySignature(mapClass, containsValueSignature, false);
addMethod(containsValue, 1, patternMethods, indices);
}
final PsiClass concurrentMapClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_CONCURRENT_HASH_MAP, searchScope);
if (concurrentMapClass != null) {
MethodSignature containsSignature =
MethodSignatureUtil.createMethodSignature(
"contains", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod contains =
MethodSignatureUtil.findMethodBySignature(concurrentMapClass, containsSignature, false);
addMethod(contains, 1, patternMethods, indices);
}
}
private void doMoveMethod(PsiSubstitutor substitutor, MemberInfo info) {
PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(myProject);
PsiMethod method = (PsiMethod) info.getMember();
PsiMethod sibling = method;
PsiMethod anchor = null;
while (sibling != null) {
sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
if (sibling != null) {
anchor =
MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
method.getContainingClass(),
myTargetSuperClass,
sibling.getSignature(PsiSubstitutor.EMPTY),
false);
if (anchor != null) {
break;
}
}
}
PsiMethod methodCopy = (PsiMethod) method.copy();
Language language = myTargetSuperClass.getLanguage();
final PsiMethod superClassMethod = myTargetSuperClass.findMethodBySignature(methodCopy, false);
if (superClassMethod != null && superClassMethod.findDeepestSuperMethods().length == 0
|| method.findSuperMethods(myTargetSuperClass).length == 0) {
deleteOverrideAnnotationIfFound(methodCopy);
}
boolean isOriginalMethodAbstract =
method.hasModifierProperty(PsiModifier.ABSTRACT)
|| method.hasModifierProperty(PsiModifier.DEFAULT);
boolean isOriginalMethodPrototype =
method instanceof HaxeFunctionPrototypeDeclarationWithAttributes;
if (myIsTargetInterface || info.isToAbstract()) {
ChangeContextUtil.clearContextInfo(method);
if (!info.isToAbstract()
&& !method.hasModifierProperty(PsiModifier.ABSTRACT)
&& PsiUtil.isLanguageLevel8OrHigher(myTargetSuperClass)) {
// pull as default
RefactoringUtil.makeMethodDefault(methodCopy);
isOriginalMethodAbstract = true;
} else {
RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
}
RefactoringUtil.replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
myJavaDocPolicy.processCopiedJavaDoc(
methodCopy.getDocComment(), method.getDocComment(), isOriginalMethodAbstract);
final PsiMember movedElement;
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
movedElement =
(PsiMember) superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
} else {
methodCopy =
HaxeElementGenerator.createFunctionPrototypeDeclarationWithAttributes(
myProject, methodCopy.getText().trim() + ";");
movedElement =
anchor != null
? (PsiMember) myTargetSuperClass.addBefore(methodCopy, anchor)
: (PsiMember)
myTargetSuperClass.addBefore(methodCopy, myTargetSuperClass.getRBrace());
reformat(movedElement);
}
CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myIsTargetInterface
|| PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
new AddAnnotationFix(Override.class.getName(), method)
.invoke(method.getProject(), null, mySourceClass.getContainingFile());
}
}
if (!PsiUtil.isLanguageLevel6OrHigher(mySourceClass) && myIsTargetInterface) {
if (isOriginalMethodAbstract) {
for (PsiMethod oMethod : OverridingMethodsSearch.search(method)) {
deleteOverrideAnnotationIfFound(oMethod);
}
}
deleteOverrideAnnotationIfFound(method);
}
myMembersAfterMove.add(movedElement);
// if (isOriginalMethodAbstract) {
method.delete();
// }
} else {
if (isOriginalMethodAbstract) {
PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
}
RefactoringUtil.replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
fixReferencesToStatic(methodCopy);
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
} else {
final PsiMember movedElement =
anchor != null
? (PsiMember)
myTargetSuperClass.addBefore(
convertMethodToLanguage(methodCopy, language), anchor)
: (PsiMember)
myTargetSuperClass.addBefore(
convertMethodToLanguage(methodCopy, language),
myTargetSuperClass.getRBrace());
reformat(movedElement);
myMembersAfterMove.add(movedElement);
}
method.delete();
}
}
// uses hierarchy signature tree if available, traverses class structure by itself otherwise
public static boolean isSuperMethodSmart(
@NotNull PsiMethod method, @NotNull PsiMethod superMethod) {
// boolean old = PsiSuperMethodUtil.isSuperMethod(method, superMethod);
if (method == superMethod) return false;
PsiClass aClass = method.getContainingClass();
PsiClass superClass = superMethod.getContainingClass();
if (aClass == null || superClass == null || superClass == aClass) return false;
if (!canHaveSuperMethod(method, true, false)) return false;
PsiMethod[] superMethods = null;
Map<MethodSignature, HierarchicalMethodSignature> cachedMap =
SIGNATURES_KEY.getCachedValueOrNull(aClass);
if (cachedMap != null) {
HierarchicalMethodSignature signature =
cachedMap.get(method.getSignature(PsiSubstitutor.EMPTY));
if (signature != null) {
superMethods =
MethodSignatureUtil.convertMethodSignaturesToMethods(signature.getSuperSignatures());
}
}
if (superMethods == null) {
PsiClassType[] directSupers = aClass.getSuperTypes();
List<PsiMethod> found = null;
boolean canceled = false;
for (PsiClassType directSuper : directSupers) {
PsiClassType.ClassResolveResult resolveResult = directSuper.resolveGenerics();
if (resolveResult.getSubstitutor() != PsiSubstitutor.EMPTY) {
// generics
canceled = true;
break;
}
PsiClass directSuperClass = resolveResult.getElement();
if (directSuperClass == null) continue;
PsiMethod[] candidates = directSuperClass.findMethodsBySignature(method, false);
if (candidates.length != 0) {
if (found == null) found = new ArrayList<PsiMethod>();
for (PsiMethod candidate : candidates) {
if (PsiUtil.canBeOverriden(candidate)) found.add(candidate);
}
}
}
superMethods =
canceled
? null
: found == null ? PsiMethod.EMPTY_ARRAY : found.toArray(new PsiMethod[found.size()]);
}
if (superMethods == null) {
superMethods =
MethodSignatureUtil.convertMethodSignaturesToMethods(
method.getHierarchicalMethodSignature().getSuperSignatures());
}
for (PsiMethod superCandidate : superMethods) {
if (superMethod.equals(superCandidate) || isSuperMethodSmart(superCandidate, superMethod))
return true;
}
return false;
}
private static void setupPatternMethods(
PsiManager manager,
GlobalSearchScope searchScope,
List<PsiMethod> patternMethods,
IntArrayList indices) {
final PsiClass collectionClass =
JavaPsiFacade.getInstance(manager.getProject())
.findClass("java.util.Collection", searchScope);
PsiType[] javaLangObject = {PsiType.getJavaLangObject(manager, searchScope)};
MethodSignature removeSignature =
MethodSignatureUtil.createMethodSignature(
"remove", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
if (collectionClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(collectionClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature containsSignature =
MethodSignatureUtil.createMethodSignature(
"contains", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod contains =
MethodSignatureUtil.findMethodBySignature(collectionClass, containsSignature, false);
addMethod(contains, 0, patternMethods, indices);
}
final PsiClass listClass =
JavaPsiFacade.getInstance(manager.getProject()).findClass("java.util.List", searchScope);
if (listClass != null) {
MethodSignature indexofSignature =
MethodSignatureUtil.createMethodSignature(
"indexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod indexof =
MethodSignatureUtil.findMethodBySignature(listClass, indexofSignature, false);
addMethod(indexof, 0, patternMethods, indices);
MethodSignature lastindexofSignature =
MethodSignatureUtil.createMethodSignature(
"lastIndexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod lastindexof =
MethodSignatureUtil.findMethodBySignature(listClass, lastindexofSignature, false);
addMethod(lastindexof, 0, patternMethods, indices);
}
final PsiClass mapClass =
JavaPsiFacade.getInstance(manager.getProject()).findClass("java.util.Map", searchScope);
if (mapClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(mapClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature getSignature =
MethodSignatureUtil.createMethodSignature(
"get", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod get = MethodSignatureUtil.findMethodBySignature(mapClass, getSignature, false);
addMethod(get, 0, patternMethods, indices);
MethodSignature containsKeySignature =
MethodSignatureUtil.createMethodSignature(
"containsKey", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsKey =
MethodSignatureUtil.findMethodBySignature(mapClass, containsKeySignature, false);
addMethod(containsKey, 0, patternMethods, indices);
MethodSignature containsValueSignature =
MethodSignatureUtil.createMethodSignature(
"containsValue", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsValue =
MethodSignatureUtil.findMethodBySignature(mapClass, containsValueSignature, false);
addMethod(containsValue, 1, patternMethods, indices);
}
}
protected void checkSameSignatures(@NotNull List<CandidateInfo> conflicts) {
// candidates should go in order of class hierarchy traversal
// in order for this to work
Map<MethodSignature, CandidateInfo> signatures =
new THashMap<MethodSignature, CandidateInfo>(conflicts.size());
Set<PsiMethod> superMethods = new HashSet<PsiMethod>();
for (CandidateInfo conflict : conflicts) {
final PsiMethod method = ((MethodCandidateInfo) conflict).getElement();
for (HierarchicalMethodSignature methodSignature :
method.getHierarchicalMethodSignature().getSuperSignatures()) {
final PsiMethod superMethod = methodSignature.getMethod();
final PsiClass aClass = superMethod.getContainingClass();
if (aClass != null
&& !CommonClassNames.JAVA_LANG_OBJECT.equals(aClass.getQualifiedName())) {
superMethods.add(superMethod);
}
}
}
nextConflict:
for (int i = 0; i < conflicts.size(); i++) {
ProgressManager.checkCanceled();
CandidateInfo info = conflicts.get(i);
PsiMethod method = (PsiMethod) info.getElement();
if (!method.hasModifierProperty(PsiModifier.STATIC) && superMethods.contains(method)) {
conflicts.remove(i);
i--;
continue;
}
PsiClass class1 = method.getContainingClass();
PsiSubstitutor infoSubstitutor = ((MethodCandidateInfo) info).getSubstitutor(false);
MethodSignature signature = method.getSignature(infoSubstitutor);
CandidateInfo existing = signatures.get(signature);
if (existing == null) {
signatures.put(signature, info);
continue;
}
PsiMethod existingMethod = (PsiMethod) existing.getElement();
PsiClass existingClass = existingMethod.getContainingClass();
if (class1 != null
&& existingClass != null) { // prefer interface methods to methods from Object
if (class1.isInterface()
&& CommonClassNames.JAVA_LANG_OBJECT.equals(existingClass.getQualifiedName())) {
signatures.put(signature, info);
continue;
} else if (existingClass.isInterface()
&& CommonClassNames.JAVA_LANG_OBJECT.equals(class1.getQualifiedName())) {
conflicts.remove(info);
i--;
continue;
}
}
if (method == existingMethod) {
PsiElement scope1 = info.getCurrentFileResolveScope();
PsiElement scope2 = existing.getCurrentFileResolveScope();
if (scope1 instanceof PsiClass
&& scope2 instanceof PsiClass
&& PsiTreeUtil.isAncestor(scope1, scope2, true)
&& !existing
.isAccessible()) { // prefer methods from outer class to inaccessible base class
// methods
signatures.put(signature, info);
continue;
}
}
// filter out methods with incorrect inferred bounds (for unrelated methods only)
boolean existingTypeParamAgree = areTypeParametersAgree(existing);
boolean infoTypeParamAgree = areTypeParametersAgree(info);
if (existingTypeParamAgree
&& !infoTypeParamAgree
&& !PsiSuperMethodImplUtil.isSuperMethodSmart(method, existingMethod)) {
conflicts.remove(i);
i--;
continue;
}
if (!existingTypeParamAgree
&& infoTypeParamAgree
&& !PsiSuperMethodImplUtil.isSuperMethodSmart(existingMethod, method)) {
signatures.put(signature, info);
int index = conflicts.indexOf(existing);
conflicts.remove(index);
i--;
continue;
}
if (InheritanceUtil.isInheritorOrSelf(class1, existingClass, true)
|| InheritanceUtil.isInheritorOrSelf(existingClass, class1, true)) {
PsiParameter[] parameters = method.getParameterList().getParameters();
final PsiParameter[] existingParameters = existingMethod.getParameterList().getParameters();
for (int i1 = 0, parametersLength = parameters.length; i1 < parametersLength; i1++) {
if (parameters[i1].getType() instanceof PsiArrayType
&& !(existingParameters[i1].getType()
instanceof PsiArrayType)) { // prefer more specific type
signatures.put(signature, info);
continue nextConflict;
}
}
PsiType returnType1 = method.getReturnType();
PsiType returnType2 = existingMethod.getReturnType();
if (returnType1 != null && returnType2 != null) {
returnType1 = infoSubstitutor.substitute(returnType1);
returnType2 =
((MethodCandidateInfo) existing).getSubstitutor(false).substitute(returnType2);
if (!returnType1.equals(returnType2) && returnType1.isAssignableFrom(returnType2)) {
conflicts.remove(i);
i--;
continue;
}
}
// prefer derived class
signatures.put(signature, info);
} else {
final PsiMethodCallExpression methodCallExpression =
PsiTreeUtil.getParentOfType(myArgumentsList, PsiMethodCallExpression.class);
if (methodCallExpression != null) {
final PsiReferenceExpression expression = methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression = expression.getQualifierExpression();
PsiClass currentClass;
if (qualifierExpression != null) {
currentClass = PsiUtil.resolveClassInClassTypeOnly(qualifierExpression.getType());
} else {
currentClass = PsiTreeUtil.getParentOfType(expression, PsiClass.class);
}
if (currentClass != null && existingClass != null && class1 != null) {
final PsiSubstitutor eSubstitutor =
TypeConversionUtil.getMaybeSuperClassSubstitutor(
existingClass, currentClass, PsiSubstitutor.EMPTY, null);
final PsiSubstitutor cSubstitutor =
TypeConversionUtil.getMaybeSuperClassSubstitutor(
class1, currentClass, PsiSubstitutor.EMPTY, null);
if (eSubstitutor != null
&& cSubstitutor != null
&& MethodSignatureUtil.areSignaturesEqual(
existingMethod.getSignature(eSubstitutor), method.getSignature(cSubstitutor))) {
final PsiType returnType = eSubstitutor.substitute(existingMethod.getReturnType());
final PsiType returnType1 = cSubstitutor.substitute(method.getReturnType());
if (returnType != null && returnType1 != null && !returnType1.equals(returnType)) {
if (TypeConversionUtil.isAssignable(returnType, returnType1, false)) {
if (class1.isInterface() && !existingClass.isInterface()) continue;
conflicts.remove(existing);
} else {
if (!TypeConversionUtil.isAssignable(returnType1, returnType, false)) continue;
conflicts.remove(i);
}
i--;
break;
}
}
}
}
}
}
}
public static boolean isExtendsSignature(
MethodSignature superSignatureCandidate, MethodSignature subSignature) {
return MethodSignatureUtil.isSubsignature(superSignatureCandidate, subSignature);
}
@Override
protected void processIntention(@NotNull PsiElement element, Project project, Editor editor)
throws IncorrectOperationException {
final GrField field;
if (element.getParent() instanceof GrField) {
field = (GrField) element.getParent();
} else {
final PsiReference ref = element.getReference();
LOG.assertTrue(ref != null);
PsiElement resolved = ref.resolve();
if (resolved instanceof GrAccessorMethod) {
resolved = ((GrAccessorMethod) resolved).getProperty();
}
LOG.assertTrue(resolved instanceof GrField);
field = (GrField) resolved;
}
final HashSet<PsiReference> usages = new HashSet<PsiReference>();
usages.addAll(ReferencesSearch.search(field).findAll());
final GrAccessorMethod[] getters = field.getGetters();
for (GrAccessorMethod getter : getters) {
usages.addAll(MethodReferencesSearch.search(getter).findAll());
}
final GrAccessorMethod setter = field.getSetter();
if (setter != null) {
usages.addAll(MethodReferencesSearch.search(setter).findAll());
}
final String fieldName = field.getName();
LOG.assertTrue(fieldName != null);
final Collection<PsiElement> fieldUsages = new HashSet<PsiElement>();
MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
for (PsiReference usage : usages) {
final PsiElement psiElement = usage.getElement();
if (PsiUtil.isMethodUsage(psiElement)) continue;
if (!GroovyFileType.GROOVY_LANGUAGE.equals(psiElement.getLanguage())) {
conflicts.putValue(
psiElement,
GroovyIntentionsBundle.message("closure.is.accessed.outside.of.groovy", fieldName));
} else {
if (psiElement instanceof GrReferenceExpression) {
fieldUsages.add(psiElement);
if (PsiUtil.isAccessedForWriting((GrExpression) psiElement)) {
conflicts.putValue(
psiElement,
GroovyIntentionsBundle.message("write.access.to.closure.variable", fieldName));
}
} else if (psiElement instanceof GrArgumentLabel) {
conflicts.putValue(
psiElement,
GroovyIntentionsBundle.message("field.is.used.in.argument.label", fieldName));
}
}
}
final PsiClass containingClass = field.getContainingClass();
final GrExpression initializer = field.getInitializerGroovy();
LOG.assertTrue(initializer != null);
final PsiType type = initializer.getType();
LOG.assertTrue(type instanceof GrClosureType);
final GrSignature signature = ((GrClosureType) type).getSignature();
final List<MethodSignature> signatures =
GrClosureSignatureUtil.generateAllMethodSignaturesBySignature(fieldName, signature);
for (MethodSignature s : signatures) {
final PsiMethod method = MethodSignatureUtil.findMethodBySignature(containingClass, s, true);
if (method != null) {
conflicts.putValue(
method,
GroovyIntentionsBundle.message(
"method.with.signature.already.exists",
GroovyPresentationUtil.getSignaturePresentation(s)));
}
}
if (conflicts.size() > 0) {
final ConflictsDialog conflictsDialog =
new ConflictsDialog(
project,
conflicts,
new Runnable() {
@Override
public void run() {
execute(field, fieldUsages);
}
});
conflictsDialog.show();
if (conflictsDialog.getExitCode() != DialogWrapper.OK_EXIT_CODE) return;
}
execute(field, fieldUsages);
}
private void doMoveMethod(PsiSubstitutor substitutor, GrMemberInfo info) {
GroovyPsiElementFactory elementFactory = GroovyPsiElementFactory.getInstance(myProject);
GrMethod method = (GrMethod) info.getMember();
PsiMethod sibling = method;
PsiMethod anchor = null;
while (sibling != null) {
sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
if (sibling != null) {
anchor =
MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
method.getContainingClass(),
myTargetSuperClass,
sibling.getSignature(PsiSubstitutor.EMPTY),
false);
if (anchor != null) {
break;
}
}
}
GrMethod methodCopy = (GrMethod) method.copy();
if (method.findSuperMethods(myTargetSuperClass).length == 0) {
deleteOverrideAnnotationIfFound(methodCopy);
}
final boolean isOriginalMethodAbstract =
method.hasModifierProperty(PsiModifier.ABSTRACT)
|| method.hasModifierProperty(PsiModifier.DEFAULT);
if (myTargetSuperClass.isInterface() || info.isToAbstract()) {
GroovyChangeContextUtil.clearContextInfo(method);
RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
if (myTargetSuperClass.isInterface()) {
PsiUtil.setModifierProperty(methodCopy, PsiModifier.ABSTRACT, false);
}
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final GrMethod movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myTargetSuperClass.isInterface()
|| PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
new AddAnnotationFix(CommonClassNames.JAVA_LANG_OVERRIDE, method)
.invoke(method.getProject(), null, mySourceClass.getContainingFile());
}
}
GrDocComment oldDoc = method.getDocComment();
if (oldDoc != null) {
GrDocCommentUtil.setDocComment(movedElement, oldDoc);
}
myDocCommentPolicy.processCopiedJavaDoc(
methodCopy.getDocComment(), oldDoc, isOriginalMethodAbstract);
myMembersAfterMove.add(movedElement);
if (isOriginalMethodAbstract) {
deleteMemberWithDocComment(method);
}
} else {
if (isOriginalMethodAbstract) {
PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
}
// fixReferencesToStatic(methodCopy, movedMembers);
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final PsiMethod superClassMethod =
myTargetSuperClass.findMethodBySignature(methodCopy, false);
final GrMethod movedElement;
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
movedElement = (GrMethod) superClassMethod.replace(methodCopy);
} else {
movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
myMembersAfterMove.add(movedElement);
}
GrDocCommentUtil.setDocComment(movedElement, method.getDocComment());
deleteMemberWithDocComment(method);
}
}
private static void findParameterUsages(
final PsiParameter parameter, final List<UsageInfo> usages) {
final PsiMethod method = (PsiMethod) parameter.getDeclarationScope();
final int parameterIndex = method.getParameterList().getParameterIndex(parameter);
// search for refs to current method only, do not search for refs to overriding methods, they'll
// be searched separately
ReferencesSearch.search(method)
.forEach(
reference -> {
PsiElement element = reference.getElement();
if (element != null) {
final JavaSafeDeleteDelegate safeDeleteDelegate =
JavaSafeDeleteDelegate.EP.forLanguage(element.getLanguage());
if (safeDeleteDelegate != null) {
safeDeleteDelegate.createUsageInfoForParameter(
reference, usages, parameter, method);
}
if (!parameter.isVarArgs()
&& !RefactoringChangeUtil.isSuperMethodCall(element.getParent())) {
final PsiParameter paramInCaller =
SafeDeleteJavaCallerChooser.isTheOnlyOneParameterUsage(
element.getParent(), parameterIndex, method);
if (paramInCaller != null) {
final PsiMethod callerMethod = (PsiMethod) paramInCaller.getDeclarationScope();
if (ApplicationManager.getApplication().isUnitTestMode()) {
usages.add(
new SafeDeleteParameterCallHierarchyUsageInfo(
callerMethod, paramInCaller, callerMethod));
} else {
usages.add(
new SafeDeleteParameterCallHierarchyUsageInfo(
method, parameter, callerMethod));
}
}
}
}
return true;
});
ReferencesSearch.search(parameter)
.forEach(
reference -> {
PsiElement element = reference.getElement();
final PsiDocTag docTag = PsiTreeUtil.getParentOfType(element, PsiDocTag.class);
if (docTag != null) {
usages.add(new SafeDeleteReferenceJavaDeleteUsageInfo(docTag, parameter, true));
return true;
}
boolean isSafeDelete = false;
if (element.getParent().getParent() instanceof PsiMethodCallExpression) {
PsiMethodCallExpression call =
(PsiMethodCallExpression) element.getParent().getParent();
PsiReferenceExpression methodExpression = call.getMethodExpression();
if (methodExpression.getText().equals(PsiKeyword.SUPER)) {
isSafeDelete = true;
} else if (methodExpression.getQualifierExpression()
instanceof PsiSuperExpression) {
final PsiMethod superMethod = call.resolveMethod();
if (superMethod != null
&& MethodSignatureUtil.isSuperMethod(superMethod, method)) {
isSafeDelete = true;
}
}
}
usages.add(
new SafeDeleteReferenceJavaDeleteUsageInfo(element, parameter, isSafeDelete));
return true;
});
findFunctionalExpressions(usages, method);
}
