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);
}
@Override
public void findExistingNameConflicts(
PsiElement element, String newName, MultiMap<PsiElement, String> conflicts) {
if (element instanceof PsiCompiledElement) return;
if (element instanceof PsiField) {
PsiField refactoredField = (PsiField) element;
if (newName.equals(refactoredField.getName())) return;
ConflictsUtil.checkFieldConflicts(refactoredField.getContainingClass(), newName, conflicts);
}
}
public static void detectAccessibilityConflicts(
@Nullable GroovyPsiElement elementToProcess,
final UsageInfo[] usages,
MultiMap<PsiElement, String> conflicts,
boolean replaceFieldsWithGetters,
Project project) {
if (elementToProcess == null) return;
final ReferencedElementsCollector collector = new ReferencedElementsCollector();
elementToProcess.accept(collector);
final List<PsiElement> result = collector.getResult();
if (result.isEmpty()) return;
for (final UsageInfo usageInfo : usages) {
if (!(usageInfo instanceof ExternalUsageInfo)
|| !IntroduceParameterUtil.isMethodUsage(usageInfo)) continue;
final PsiElement place = usageInfo.getElement();
for (PsiElement element : result) {
if (element instanceof PsiField && replaceFieldsWithGetters) {
// check getter access instead
final PsiClass psiClass = ((PsiField) element).getContainingClass();
LOG.assertTrue(psiClass != null);
final PsiMethod method = GroovyPropertyUtils.findGetterForField((PsiField) element);
if (method != null) {
element = method;
}
}
if (element instanceof PsiMember
&& !JavaPsiFacade.getInstance(project)
.getResolveHelper()
.isAccessible((PsiMember) element, place, null)) {
String message =
RefactoringBundle.message(
"0.is.not.accessible.from.1.value.for.introduced.parameter.in.that.method.call.will.be.incorrect",
RefactoringUIUtil.getDescription(element, true),
RefactoringUIUtil.getDescription(ConflictsUtil.getContainer(place), true));
conflicts.putValue(element, message);
}
}
}
}
private void detectAccessibilityConflicts(
final UsageInfo[] usageArray, MultiMap<PsiElement, String> conflicts) {
if (myParameterInitializer != null) {
final ReferencedElementsCollector collector = new ReferencedElementsCollector();
myParameterInitializer.accept(collector);
final Set<PsiElement> result = collector.myResult;
if (!result.isEmpty()) {
for (final UsageInfo usageInfo : usageArray) {
if (usageInfo instanceof ExternalUsageInfo
&& IntroduceParameterUtil.isMethodUsage(usageInfo)) {
final PsiElement place = usageInfo.getElement();
for (PsiElement element : result) {
if (element instanceof PsiField
&& myReplaceFieldsWithGetters
!= IntroduceParameterRefactoring
.REPLACE_FIELDS_WITH_GETTERS_NONE) { // check getter access instead
final PsiClass psiClass = ((PsiField) element).getContainingClass();
LOG.assertTrue(psiClass != null);
final PsiMethod method =
psiClass.findMethodBySignature(
PropertyUtil.generateGetterPrototype((PsiField) element), true);
if (method != null) {
element = method;
}
}
if (element instanceof PsiMember
&& !JavaPsiFacade.getInstance(myProject)
.getResolveHelper()
.isAccessible((PsiMember) element, place, null)) {
String message =
RefactoringBundle.message(
"0.is.not.accessible.from.1.value.for.introduced.parameter.in.that.method.call.will.be.incorrect",
RefactoringUIUtil.getDescription(element, true),
RefactoringUIUtil.getDescription(ConflictsUtil.getContainer(place), true));
conflicts.putValue(element, message);
}
}
}
}
}
}
}
private void addMethodConflicts(MultiMap<PsiElement, String> conflicts) {
String newMethodName = myChangeInfo.getNewName();
if (!(myChangeInfo instanceof JavaChangeInfo)) {
return;
}
try {
PsiMethod prototype;
final PsiMethod method = myChangeInfo.getMethod();
if (!StdLanguages.JAVA.equals(method.getLanguage())) return;
PsiManager manager = method.getManager();
PsiElementFactory factory =
JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
final CanonicalTypes.Type returnType = myChangeInfo.getNewReturnType();
if (returnType != null) {
prototype = factory.createMethod(newMethodName, returnType.getType(method, manager));
} else {
prototype = factory.createConstructor();
prototype.setName(newMethodName);
}
JavaParameterInfo[] parameters = myChangeInfo.getNewParameters();
for (JavaParameterInfo info : parameters) {
PsiType parameterType = info.createType(method, manager);
if (parameterType == null) {
parameterType =
JavaPsiFacade.getElementFactory(method.getProject())
.createTypeFromText(CommonClassNames.JAVA_LANG_OBJECT, method);
}
PsiParameter param = factory.createParameter(info.getName(), parameterType);
prototype.getParameterList().add(param);
}
ConflictsUtil.checkMethodConflicts(
method.getContainingClass(), method, prototype, conflicts);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private void addInaccessibilityDescriptions(
Set<UsageInfo> usages, MultiMap<PsiElement, String> conflictDescriptions)
throws IncorrectOperationException {
PsiMethod method = myChangeInfo.getMethod();
PsiModifierList modifierList = (PsiModifierList) method.getModifierList().copy();
VisibilityUtil.setVisibility(modifierList, myChangeInfo.getNewVisibility());
for (Iterator<UsageInfo> iterator = usages.iterator(); iterator.hasNext(); ) {
UsageInfo usageInfo = iterator.next();
PsiElement element = usageInfo.getElement();
if (element != null) {
if (element instanceof PsiQualifiedReference) {
PsiClass accessObjectClass = null;
PsiElement qualifier = ((PsiQualifiedReference) element).getQualifier();
if (qualifier instanceof PsiExpression) {
accessObjectClass =
(PsiClass) PsiUtil.getAccessObjectClass((PsiExpression) qualifier).getElement();
}
if (!JavaPsiFacade.getInstance(element.getProject())
.getResolveHelper()
.isAccessible(method, modifierList, element, accessObjectClass, null)) {
String message =
RefactoringBundle.message(
"0.with.1.visibility.is.not.accessible.from.2",
RefactoringUIUtil.getDescription(method, true),
myChangeInfo.getNewVisibility(),
RefactoringUIUtil.getDescription(ConflictsUtil.getContainer(element), true));
conflictDescriptions.putValue(method, message);
if (!needToChangeCalls()) {
iterator.remove();
}
}
}
}
}
}
public Collection<String> findConflicts(
@NotNull final PsiElement element, @NotNull final PsiElement[] allElementsToDelete) {
if (element instanceof PsiMethod) {
final PsiClass containingClass = ((PsiMethod) element).getContainingClass();
if (containingClass != null && !containingClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
final PsiMethod[] superMethods = ((PsiMethod) element).findSuperMethods();
for (PsiMethod superMethod : superMethods) {
if (isInside(superMethod, allElementsToDelete)) continue;
if (superMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
String message =
RefactoringBundle.message(
"0.implements.1",
RefactoringUIUtil.getDescription(element, true),
RefactoringUIUtil.getDescription(superMethod, true));
return Collections.singletonList(message);
}
}
}
} else if (element instanceof PsiParameter) {
final PsiElement scope = ((PsiParameter) element).getDeclarationScope();
if (scope instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) scope;
final PsiClass containingClass = method.getContainingClass();
if (containingClass != null) {
final int parameterIndex =
method.getParameterList().getParameterIndex((PsiParameter) element);
final PsiMethod methodCopy = (PsiMethod) method.copy();
methodCopy.getParameterList().getParameters()[parameterIndex].delete();
final MultiMap<PsiElement, String> conflicts = new MultiMap<>();
ConflictsUtil.checkMethodConflicts(containingClass, method, methodCopy, conflicts);
return (Collection<String>) conflicts.values();
}
}
}
return null;
}