public static void checkMethodConflicts(
@Nullable PsiClass aClass,
PsiMethod refactoredMethod,
PsiMethod prototype,
final MultiMap<PsiElement, String> conflicts) {
if (prototype == null) return;
PsiMethod method = aClass != null ? aClass.findMethodBySignature(prototype, true) : null;
if (method != null && method != refactoredMethod) {
if (aClass.equals(method.getContainingClass())) {
final String classDescr =
aClass instanceof PsiAnonymousClass
? RefactoringBundle.message("current.class")
: RefactoringUIUtil.getDescription(aClass, false);
conflicts.putValue(
method,
RefactoringBundle.message(
"method.0.is.already.defined.in.the.1",
getMethodPrototypeString(prototype),
classDescr));
} else { // method somewhere in base class
if (JavaPsiFacade.getInstance(method.getProject())
.getResolveHelper()
.isAccessible(method, aClass, null)) {
String protoMethodInfo = getMethodPrototypeString(prototype);
String className =
CommonRefactoringUtil.htmlEmphasize(
UsageViewUtil.getDescriptiveName(method.getContainingClass()));
if (PsiUtil.getAccessLevel(prototype.getModifierList())
>= PsiUtil.getAccessLevel(method.getModifierList())) {
boolean isMethodAbstract = method.hasModifierProperty(PsiModifier.ABSTRACT);
boolean isMyMethodAbstract =
refactoredMethod != null
&& refactoredMethod.hasModifierProperty(PsiModifier.ABSTRACT);
final String conflict =
isMethodAbstract != isMyMethodAbstract
? RefactoringBundle.message(
"method.0.will.implement.method.of.the.base.class",
protoMethodInfo,
className)
: RefactoringBundle.message(
"method.0.will.override.a.method.of.the.base.class",
protoMethodInfo,
className);
conflicts.putValue(method, conflict);
} else { // prototype is private, will be compile-error
conflicts.putValue(
method,
RefactoringBundle.message(
"method.0.will.hide.method.of.the.base.class", protoMethodInfo, className));
}
}
}
}
}
protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
final UsageInfo[] usages = refUsages.get();
MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
final Set<PsiMember> members = new HashSet<PsiMember>();
members.add(myMethod);
if (myTargetVariable instanceof PsiField) members.add((PsiMember) myTargetVariable);
if (!myTargetClass.isInterface()) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, myTargetClass, conflicts, myNewVisibility);
} else {
for (final UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, ((InheritorUsageInfo) usage).getInheritor(), conflicts, myNewVisibility);
}
}
}
if (myTargetVariable instanceof PsiParameter) {
PsiParameter parameter = (PsiParameter) myTargetVariable;
for (final UsageInfo usageInfo : usages) {
if (usageInfo instanceof MethodCallUsageInfo) {
final PsiElement methodCall = ((MethodCallUsageInfo) usageInfo).getMethodCallExpression();
if (methodCall instanceof PsiMethodCallExpression) {
final PsiExpression[] expressions =
((PsiMethodCallExpression) methodCall).getArgumentList().getExpressions();
final int index = myMethod.getParameterList().getParameterIndex(parameter);
if (index < expressions.length) {
PsiExpression instanceValue = expressions[index];
instanceValue = RefactoringUtil.unparenthesizeExpression(instanceValue);
if (instanceValue instanceof PsiLiteralExpression
&& ((PsiLiteralExpression) instanceValue).getValue() == null) {
String message =
RefactoringBundle.message(
"0.contains.call.with.null.argument.for.parameter.1",
RefactoringUIUtil.getDescription(
ConflictsUtil.getContainer(methodCall), true),
CommonRefactoringUtil.htmlEmphasize(parameter.getName()));
conflicts.putValue(instanceValue, message);
}
}
} else if (methodCall instanceof PsiMethodReferenceExpression) {
conflicts.putValue(methodCall, "Method reference would be broken after move");
}
}
}
}
try {
ConflictsUtil.checkMethodConflicts(myTargetClass, myMethod, getPatternMethod(), conflicts);
} catch (IncorrectOperationException e) {
}
return showConflicts(conflicts, usages);
}
protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
UsageInfo[] usagesIn = refUsages.get();
MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
AnySameNameVariables anySameNameVariables = new AnySameNameVariables();
myMethodToReplaceIn.accept(anySameNameVariables);
final Pair<PsiElement, String> conflictPair = anySameNameVariables.getConflict();
if (conflictPair != null) {
conflicts.putValue(conflictPair.first, conflictPair.second);
}
if (!myGenerateDelegate) {
detectAccessibilityConflicts(usagesIn, conflicts);
}
if (myParameterInitializer != null
&& !myMethodToReplaceIn.hasModifierProperty(PsiModifier.PRIVATE)) {
final AnySupers anySupers = new AnySupers();
myParameterInitializer.accept(anySupers);
if (anySupers.isResult()) {
for (UsageInfo usageInfo : usagesIn) {
if (!(usageInfo.getElement() instanceof PsiMethod)
&& !(usageInfo instanceof InternalUsageInfo)) {
if (!PsiTreeUtil.isAncestor(
myMethodToReplaceIn.getContainingClass(), usageInfo.getElement(), false)) {
conflicts.putValue(
myParameterInitializer,
RefactoringBundle.message(
"parameter.initializer.contains.0.but.not.all.calls.to.method.are.in.its.class",
CommonRefactoringUtil.htmlEmphasize(PsiKeyword.SUPER)));
break;
}
}
}
}
}
for (IntroduceParameterMethodUsagesProcessor processor :
IntroduceParameterMethodUsagesProcessor.EP_NAME.getExtensions()) {
processor.findConflicts(this, refUsages.get(), conflicts);
}
myHasConflicts = !conflicts.isEmpty();
return showConflicts(conflicts, usagesIn);
}
