@NotNull
protected UsageInfo[] findUsages() {
ArrayList<UsageInfo> result = new ArrayList<UsageInfo>();
PsiMethod[] overridingMethods =
OverridingMethodsSearch.search(myMethodToSearchFor, true).toArray(PsiMethod.EMPTY_ARRAY);
for (PsiMethod overridingMethod : overridingMethods) {
result.add(new UsageInfo(overridingMethod));
}
if (!myGenerateDelegate) {
PsiReference[] refs =
MethodReferencesSearch.search(
myMethodToSearchFor, GlobalSearchScope.projectScope(myProject), true)
.toArray(PsiReference.EMPTY_ARRAY);
for (PsiReference ref1 : refs) {
PsiElement ref = ref1.getElement();
if (ref instanceof PsiMethod && ((PsiMethod) ref).isConstructor()) {
DefaultConstructorImplicitUsageInfo implicitUsageInfo =
new DefaultConstructorImplicitUsageInfo(
(PsiMethod) ref, ((PsiMethod) ref).getContainingClass(), myMethodToSearchFor);
result.add(implicitUsageInfo);
} else if (ref instanceof PsiClass) {
result.add(new NoConstructorClassUsageInfo((PsiClass) ref));
} else if (!IntroduceParameterUtil.insideMethodToBeReplaced(ref, myMethodToReplaceIn)) {
result.add(new ExternalUsageInfo(ref));
} else {
result.add(new ChangedMethodCallInfo(ref));
}
}
}
if (myReplaceAllOccurences) {
for (PsiElement expr : getOccurrences()) {
result.add(new InternalUsageInfo(expr));
}
} else {
if (myExpressionToSearch != null && myExpressionToSearch.isValid()) {
result.add(new InternalUsageInfo(myExpressionToSearch));
}
}
final UsageInfo[] usageInfos = result.toArray(new UsageInfo[result.size()]);
return UsageViewUtil.removeDuplicatedUsages(usageInfos);
}
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);
}
}
}
}
}
}
}
protected void performRefactoring(UsageInfo[] usages) {
try {
PsiElementFactory factory =
JavaPsiFacade.getInstance(myManager.getProject()).getElementFactory();
PsiType initializerType =
getInitializerType(myForcedType, myParameterInitializer, myLocalVariable);
setForcedType(initializerType);
// Converting myParameterInitializer
if (myParameterInitializer == null) {
LOG.assertTrue(myLocalVariable != null);
myParameterInitializer =
factory.createExpressionFromText(myLocalVariable.getName(), myLocalVariable);
} else if (myParameterInitializer instanceof PsiArrayInitializerExpression) {
final PsiExpression newExprArrayInitializer =
RefactoringUtil.createNewExpressionFromArrayInitializer(
(PsiArrayInitializerExpression) myParameterInitializer, initializerType);
myParameterInitializer =
(PsiExpression) myParameterInitializer.replace(newExprArrayInitializer);
}
myInitializerWrapper = new JavaExpressionWrapper(myParameterInitializer);
// Changing external occurences (the tricky part)
IntroduceParameterUtil.processUsages(usages, this);
if (myGenerateDelegate) {
generateDelegate(myMethodToReplaceIn);
if (myMethodToReplaceIn != myMethodToSearchFor) {
final PsiMethod method = generateDelegate(myMethodToSearchFor);
if (method.getContainingClass().isInterface()) {
final PsiCodeBlock block = method.getBody();
if (block != null) {
block.delete();
}
}
}
}
// Changing signature of initial method
// (signature of myMethodToReplaceIn will be either changed now or have already been changed)
LOG.assertTrue(initializerType.isValid());
final FieldConflictsResolver fieldConflictsResolver =
new FieldConflictsResolver(myParameterName, myMethodToReplaceIn.getBody());
IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
new UsageInfo(myMethodToReplaceIn), usages, this);
if (myMethodToSearchFor != myMethodToReplaceIn) {
IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
new UsageInfo(myMethodToSearchFor), usages, this);
}
ChangeContextUtil.clearContextInfo(myParameterInitializer);
// Replacing expression occurrences
for (UsageInfo usage : usages) {
if (usage instanceof ChangedMethodCallInfo) {
PsiElement element = usage.getElement();
processChangedMethodCall(element);
} else if (usage instanceof InternalUsageInfo) {
PsiElement element = usage.getElement();
if (element instanceof PsiExpression) {
element = RefactoringUtil.outermostParenthesizedExpression((PsiExpression) element);
}
if (element != null) {
if (element.getParent() instanceof PsiExpressionStatement) {
element.getParent().delete();
} else {
PsiExpression newExpr = factory.createExpressionFromText(myParameterName, element);
IntroduceVariableBase.replace((PsiExpression) element, newExpr, myProject);
}
}
}
}
if (myLocalVariable != null && myRemoveLocalVariable) {
myLocalVariable.normalizeDeclaration();
myLocalVariable.getParent().delete();
}
fieldConflictsResolver.fix();
} catch (IncorrectOperationException ex) {
LOG.error(ex);
}
}
@Override
protected void performRefactoring(UsageInfo[] usages) {
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(myProject);
PsiType initializerType = mySettings.getSelectedType();
// Changing external occurrences (the tricky part)
IntroduceParameterUtil.processUsages(usages, this);
final GrMethod toReplaceIn = (GrMethod) mySettings.getToReplaceIn();
final PsiMethod toSearchFor = (PsiMethod) mySettings.getToSearchFor();
final boolean methodsToProcessAreDifferent = toReplaceIn != toSearchFor;
if (mySettings.generateDelegate()) {
GroovyIntroduceParameterUtil.generateDelegate(toReplaceIn, myParameterInitializer, myProject);
if (methodsToProcessAreDifferent) {
final GrMethod method =
GroovyIntroduceParameterUtil.generateDelegate(
toSearchFor, myParameterInitializer, myProject);
final PsiClass containingClass = method.getContainingClass();
if (containingClass != null && containingClass.isInterface()) {
final GrOpenBlock block = method.getBlock();
if (block != null) {
block.delete();
}
}
}
}
// Changing signature of initial method
// (signature of myMethodToReplaceIn will be either changed now or have already been changed)
LOG.assertTrue(initializerType == null || initializerType.isValid());
final FieldConflictsResolver fieldConflictsResolver =
new FieldConflictsResolver(mySettings.getName(), toReplaceIn.getBlock());
IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
new UsageInfo(toReplaceIn), usages, this);
if (methodsToProcessAreDifferent) {
IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
new UsageInfo(toSearchFor), usages, this);
}
// Replacing expression occurrences
for (UsageInfo usage : usages) {
if (usage instanceof ChangedMethodCallInfo) {
PsiElement element = usage.getElement();
GroovyIntroduceParameterUtil.processChangedMethodCall(element, mySettings, myProject);
} else if (usage instanceof InternalUsageInfo) {
PsiElement element = usage.getElement();
if (element == null) continue;
GrExpression newExpr = factory.createExpressionFromText(mySettings.getName());
if (element instanceof GrExpression) {
((GrExpression) element).replaceWithExpression(newExpr, true);
} else {
element.replace(newExpr);
}
}
}
final StringPartInfo stringPartInfo = mySettings.getStringPartInfo();
if (stringPartInfo != null) {
final GrExpression expr =
GrIntroduceHandlerBase.processLiteral(
mySettings.getName(), mySettings.getStringPartInfo(), mySettings.getProject());
final Editor editor = PsiUtilBase.findEditor(expr);
if (editor != null) {
editor.getSelectionModel().removeSelection();
editor.getCaretModel().moveToOffset(expr.getTextRange().getEndOffset());
}
}
final GrVariable var = mySettings.getVar();
if (var != null && mySettings.removeLocalVariable()) {
var.delete();
}
fieldConflictsResolver.fix();
}