private static boolean canBePrivate(
PsiMethod method,
Collection<PsiReference> references,
Collection<? extends PsiElement> deleted,
final PsiElement[] allElementsToDelete) {
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null) {
return false;
}
PsiManager manager = method.getManager();
final JavaPsiFacade facade = JavaPsiFacade.getInstance(manager.getProject());
final PsiElementFactory factory = facade.getElementFactory();
final PsiModifierList privateModifierList;
try {
final PsiMethod newMethod = factory.createMethod("x3", PsiType.VOID);
privateModifierList = newMethod.getModifierList();
privateModifierList.setModifierProperty(PsiModifier.PRIVATE, true);
} catch (IncorrectOperationException e) {
LOG.assertTrue(false);
return false;
}
for (PsiReference reference : references) {
final PsiElement element = reference.getElement();
if (!isInside(element, allElementsToDelete)
&& !isInside(element, deleted)
&& !facade
.getResolveHelper()
.isAccessible(method, privateModifierList, element, null, null)) {
return false;
}
}
return true;
}
private void findUsagesForMethod(PsiMethod method, List<FixableUsageInfo> usages) {
final PsiManager psiManager = method.getManager();
final Project project = psiManager.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
for (PsiReference reference : calls) {
final PsiElement referenceElement = reference.getElement();
final PsiElement parent = referenceElement.getParent();
if (parent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
if (isInMovedElement(call)) {
continue;
}
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null || qualifier instanceof PsiThisExpression) {
usages.add(new ReplaceThisCallWithDelegateCall(call, delegateFieldName));
}
delegationRequired = true;
}
}
if (!delegationRequired && MethodInheritanceUtils.hasSiblingMethods(method)) {
delegationRequired = true;
}
if (delegationRequired) {
usages.add(new MakeMethodDelegate(method, delegateFieldName));
} else {
usages.add(new RemoveMethod(method));
}
}
private void findUsagesForStaticMethod(PsiMethod method, List<FixableUsageInfo> usages) {
final PsiManager psiManager = method.getManager();
final Project project = psiManager.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
final String fullyQualifiedName = getQualifiedName();
for (PsiReference reference : calls) {
final PsiElement referenceElement = reference.getElement();
final PsiElement parent = referenceElement.getParent();
if (parent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
if (!isInMovedElement(call)) {
usages.add(new RetargetStaticMethodCall(call, fullyQualifiedName));
}
} else if (parent instanceof PsiImportStaticStatement) {
final PsiJavaCodeReferenceElement importReference =
((PsiImportStaticStatement) parent).getImportReference();
if (importReference != null) {
final PsiElement qualifier = importReference.getQualifier();
if (qualifier instanceof PsiJavaCodeReferenceElement) {
usages.add(
new ReplaceClassReference(
(PsiJavaCodeReferenceElement) qualifier, fullyQualifiedName));
}
}
}
}
usages.add(new RemoveMethod(method));
}
@Nullable
public static String getReferencePrefix(@NotNull PsiElement insertedElement, int offsetInFile) {
final PsiReference ref = insertedElement.getContainingFile().findReferenceAt(offsetInFile);
if (ref != null) {
final PsiElement element = ref.getElement();
final int endIndex = offsetInFile - element.getTextRange().getStartOffset();
final int beginIndex = ref.getRangeInElement().getStartOffset();
if (beginIndex > endIndex) {
LOG.error(
"Inconsistent reference (found at offset not included in its range): ref="
+ ref
+ " element="
+ element
+ " text="
+ element.getText());
}
if (beginIndex < 0) {
LOG.error(
"Inconsistent reference (begin < 0): ref="
+ ref
+ " element="
+ element
+ "; begin="
+ beginIndex
+ " text="
+ element.getText());
}
LOG.assertTrue(endIndex >= 0);
return element.getText().substring(beginIndex, endIndex);
}
return null;
}
@Nullable
public static PsiFile resolveFile(XmlAttribute location, PsiFile baseFile) {
if (location == null) return null;
final XmlAttributeValue valueElement = location.getValueElement();
if (valueElement == null) return null;
// prefer direct relative path
final String value = valueElement.getValue();
final PsiFile file = resolveFile(value, baseFile);
if (file != baseFile && file instanceof XmlFile) {
return file;
}
final PsiReference[] references = valueElement.getReferences();
for (PsiReference reference : references) {
final PsiElement target = reference.resolve();
if (target == null && reference instanceof PsiPolyVariantReference) {
final ResolveResult[] results = ((PsiPolyVariantReference) reference).multiResolve(false);
for (ResolveResult result : results) {
if (result.isValidResult()) {
// TODO: how to weigh/prioritize the results?
final PsiElement element = result.getElement();
if (element != baseFile && element instanceof XmlFile) {
return (PsiFile) target;
}
}
}
} else if (target != baseFile && target instanceof XmlFile) {
return (PsiFile) target;
}
}
return null;
}
@NotNull
public XPathType getExpectedType(XPathExpression expr) {
final XmlTag tag = PsiTreeUtil.getContextOfType(expr, XmlTag.class, true);
if (tag != null && XsltSupport.isXsltTag(tag)) {
final XsltElement element =
XsltElementFactory.getInstance().wrapElement(tag, XsltElement.class);
if (element instanceof XsltVariable) {
return ((XsltVariable) element).getType();
} else {
final XmlAttribute attr = PsiTreeUtil.getContextOfType(expr, XmlAttribute.class, true);
if (attr != null) {
if (element instanceof XsltWithParam) {
final XmlAttribute nameAttr = tag.getAttribute("name", null);
if (nameAttr != null) {
final XmlAttributeValue valueElement = nameAttr.getValueElement();
if (valueElement != null) {
final PsiReference[] references = valueElement.getReferences();
for (PsiReference reference : references) {
final PsiElement psiElement = reference.resolve();
if (psiElement instanceof XsltVariable) {
return ((XsltVariable) psiElement).getType();
}
}
}
}
} else {
final String name = attr.getName();
return getTypeForTag(tag, name);
}
}
}
}
return XPathType.UNKNOWN;
}
protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
final MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
checkExistingMethods(conflicts, true);
checkExistingMethods(conflicts, false);
final Collection<PsiClass> classes = ClassInheritorsSearch.search(myClass).findAll();
for (FieldDescriptor fieldDescriptor : myFieldDescriptors) {
final Set<PsiMethod> setters = new HashSet<PsiMethod>();
final Set<PsiMethod> getters = new HashSet<PsiMethod>();
for (PsiClass aClass : classes) {
final PsiMethod getterOverrider =
myDescriptor.isToEncapsulateGet()
? aClass.findMethodBySignature(fieldDescriptor.getGetterPrototype(), false)
: null;
if (getterOverrider != null) {
getters.add(getterOverrider);
}
final PsiMethod setterOverrider =
myDescriptor.isToEncapsulateSet()
? aClass.findMethodBySignature(fieldDescriptor.getSetterPrototype(), false)
: null;
if (setterOverrider != null) {
setters.add(setterOverrider);
}
}
if (!getters.isEmpty() || !setters.isEmpty()) {
final PsiField field = fieldDescriptor.getField();
for (PsiReference reference : ReferencesSearch.search(field)) {
final PsiElement place = reference.getElement();
if (place instanceof PsiReferenceExpression) {
final PsiExpression qualifierExpression =
((PsiReferenceExpression) place).getQualifierExpression();
final PsiClass ancestor;
if (qualifierExpression == null) {
ancestor = PsiTreeUtil.getParentOfType(place, PsiClass.class, false);
} else {
ancestor = PsiUtil.resolveClassInType(qualifierExpression.getType());
}
final boolean isGetter = !PsiUtil.isAccessedForWriting((PsiExpression) place);
for (PsiMethod overridden : isGetter ? getters : setters) {
if (InheritanceUtil.isInheritorOrSelf(myClass, ancestor, true)) {
conflicts.putValue(
overridden,
"There is already a "
+ RefactoringUIUtil.getDescription(overridden, true)
+ " which would hide generated "
+ (isGetter ? "getter" : "setter")
+ " for "
+ place.getText());
break;
}
}
}
}
}
}
return showConflicts(conflicts, refUsages.get());
}
protected void performRefactoring(UsageInfo[] usages) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;
PsiMethod patternMethod = createMethodToAdd();
final List<PsiReference> docRefs = new ArrayList<PsiReference>();
for (UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
addMethodToClass(inheritor, patternMethod, true);
} else if (usage instanceof MethodCallUsageInfo
&& !((MethodCallUsageInfo) usage).isInternal()) {
correctMethodCall(((MethodCallUsageInfo) usage).getMethodCallExpression(), false);
} else if (usage instanceof JavadocUsageInfo) {
docRefs.add(usage.getElement().getReference());
}
}
try {
if (myTargetClass.isInterface()) patternMethod.getBody().delete();
final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
myMethod.delete();
for (PsiReference reference : docRefs) {
reference.bindToElement(method);
}
VisibilityUtil.fixVisibility(usages, method, myNewVisibility);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
public static void replaceMovedMemberTypeParameters(
final PsiElement member,
final Iterable<PsiTypeParameter> parametersIterable,
final PsiSubstitutor substitutor,
final GroovyPsiElementFactory factory) {
final Map<PsiElement, PsiElement> replacement = new LinkedHashMap<PsiElement, PsiElement>();
for (PsiTypeParameter parameter : parametersIterable) {
PsiType substitutedType = substitutor.substitute(parameter);
if (substitutedType == null) {
substitutedType = TypeConversionUtil.erasure(factory.createType(parameter));
}
PsiElement scopeElement = member instanceof GrField ? member.getParent() : member;
for (PsiReference reference :
ReferencesSearch.search(parameter, new LocalSearchScope(scopeElement))) {
final PsiElement element = reference.getElement();
final PsiElement parent = element.getParent();
if (parent instanceof PsiTypeElement) {
replacement.put(parent, factory.createTypeElement(substitutedType));
} else if (element instanceof GrCodeReferenceElement
&& substitutedType instanceof PsiClassType) {
replacement.put(
element, factory.createReferenceElementByType((PsiClassType) substitutedType));
}
}
}
for (PsiElement element : replacement.keySet()) {
if (element.isValid()) {
element.replace(replacement.get(element));
}
}
}
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 registerLocalRef(@NotNull PsiReference ref, PsiElement refElement) {
if (refElement instanceof PsiMethod
&& PsiTreeUtil.isAncestor(refElement, ref.getElement(), true))
return; // filter self-recursive calls
if (refElement instanceof PsiClass
&& PsiTreeUtil.isAncestor(refElement, ref.getElement(), true))
return; // filter inner use of itself
synchronized (myLocalRefsMap) {
myLocalRefsMap.put(ref, refElement);
}
}
private boolean willBeUsedInSubclass(PsiElement member, PsiClass superclass, PsiClass subclass) {
for (PsiReference ref :
ReferencesSearch.search(member, new LocalSearchScope(subclass), false)) {
PsiElement element = ref.getElement();
if (!RefactoringHierarchyUtil.willBeInTargetClass(
element, myMembersToMove, superclass, false)) {
return true;
}
}
return false;
}
@Nullable
private static Condition<PsiElement> findMethodUsages(
final PsiMethod psiMethod, final PsiElement[] allElementsToDelete, List<UsageInfo> usages) {
final Collection<PsiReference> references = ReferencesSearch.search(psiMethod).findAll();
if (psiMethod.isConstructor()) {
return findConstructorUsages(psiMethod, references, usages, allElementsToDelete);
}
final PsiMethod[] overridingMethods =
removeDeletedMethods(
OverridingMethodsSearch.search(psiMethod).toArray(PsiMethod.EMPTY_ARRAY),
allElementsToDelete);
findFunctionalExpressions(usages, ArrayUtil.prepend(psiMethod, overridingMethods));
final HashMap<PsiMethod, Collection<PsiReference>> methodToReferences = new HashMap<>();
for (PsiMethod overridingMethod : overridingMethods) {
final Collection<PsiReference> overridingReferences =
ReferencesSearch.search(overridingMethod).findAll();
methodToReferences.put(overridingMethod, overridingReferences);
}
final Set<PsiMethod> validOverriding =
validateOverridingMethods(
psiMethod,
references,
Arrays.asList(overridingMethods),
methodToReferences,
usages,
allElementsToDelete);
for (PsiReference reference : references) {
final PsiElement element = reference.getElement();
if (!isInside(element, allElementsToDelete) && !isInside(element, validOverriding)) {
usages.add(
new SafeDeleteReferenceJavaDeleteUsageInfo(
element,
psiMethod,
PsiTreeUtil.getParentOfType(element, PsiImportStaticStatement.class) != null));
}
}
final List<PsiMethod> calleesSafeToDelete =
SafeDeleteJavaCalleeChooser.computeCalleesSafeToDelete(psiMethod);
if (calleesSafeToDelete != null) {
for (PsiMethod method : calleesSafeToDelete) {
usages.add(new SafeDeleteMethodCalleeUsageInfo(method, psiMethod));
}
}
return usage -> {
if (usage instanceof PsiFile) return false;
return isInside(usage, allElementsToDelete) || isInside(usage, validOverriding);
};
}
private static void rebindExternalReferences(
PsiElement element,
Map<PsiClass, PsiElement> oldToNewMap,
Set<PsiElement> rebindExpressions) {
final LocalSearchScope searchScope = new LocalSearchScope(element);
for (PsiClass aClass : oldToNewMap.keySet()) {
final PsiElement newClass = oldToNewMap.get(aClass);
for (PsiReference reference : ReferencesSearch.search(aClass, searchScope)) {
rebindExpressions.add(reference.bindToElement(newClass));
}
}
}
private static ArrayList<PsiMethod> filterConstructorsIfFieldAlreadyAssigned(
PsiMethod[] constructors, PsiField field) {
final ArrayList<PsiMethod> result = new ArrayList<PsiMethod>(Arrays.asList(constructors));
for (PsiReference reference :
ReferencesSearch.search(field, new LocalSearchScope(constructors))) {
final PsiElement element = reference.getElement();
if (element instanceof PsiReferenceExpression
&& PsiUtil.isOnAssignmentLeftHand((PsiExpression) element)) {
result.remove(PsiTreeUtil.getParentOfType(element, PsiMethod.class));
}
}
return result;
}
public static boolean addResult(
Processor<UsageInfo> results, PsiReference ref, FindUsagesOptions options) {
if (filterUsage(ref.getElement(), options)) {
TextRange rangeInElement = ref.getRangeInElement();
return results.process(
new UsageInfo(
ref.getElement(),
rangeInElement.getStartOffset(),
rangeInElement.getEndOffset(),
false));
}
return true;
}
@NotNull
protected UsageInfo[] findUsages() {
final PsiManager manager = myMethod.getManager();
final GlobalSearchScope searchScope = GlobalSearchScope.allScope(manager.getProject());
final List<UsageInfo> usages = new ArrayList<UsageInfo>();
for (PsiReference ref : ReferencesSearch.search(myMethod, searchScope, false)) {
final PsiElement element = ref.getElement();
if (element instanceof PsiReferenceExpression) {
boolean isInternal = PsiTreeUtil.isAncestor(myMethod, element, true);
usages.add(new MethodCallUsageInfo((PsiReferenceExpression) element, isInternal));
} else if (element instanceof PsiDocTagValue) {
usages.add(new JavadocUsageInfo(((PsiDocTagValue) element)));
} else {
throw new UnknownReferenceTypeException(element.getLanguage());
}
}
if (myTargetClass.isInterface()) {
addInheritorUsages(myTargetClass, searchScope, usages);
}
final PsiCodeBlock body = myMethod.getBody();
if (body != null) {
body.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitNewExpression(PsiNewExpression expression) {
if (MoveInstanceMembersUtil.getClassReferencedByThis(expression) != null) {
usages.add(new InternalUsageInfo(expression));
}
super.visitNewExpression(expression);
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (MoveInstanceMembersUtil.getClassReferencedByThis(expression) != null) {
usages.add(new InternalUsageInfo(expression));
} else if (!expression.isQualified()) {
final PsiElement resolved = expression.resolve();
if (myTargetVariable.equals(resolved)) {
usages.add(new InternalUsageInfo(expression));
}
}
super.visitReferenceExpression(expression);
}
});
}
return usages.toArray(new UsageInfo[usages.size()]);
}
private static void rename(
PsiReference ref, String newName, PsiManager manager, PsiMember elementToResolve) {
final PsiElement renamed = ref.handleElementRename(newName);
PsiElement newly_resolved = ref.resolve();
if (!manager.areElementsEquivalent(newly_resolved, elementToResolve)) {
if (newly_resolved instanceof PsiMethod) {
newly_resolved =
GroovyPropertyUtils.findFieldForAccessor((PsiMethod) newly_resolved, false);
}
if (!manager.areElementsEquivalent(newly_resolved, elementToResolve)) {
qualify(elementToResolve, renamed, newName);
}
}
}
protected int getCaretOffset() {
RangeMarker r;
if (myLocalMarker != null) {
final PsiReference reference = myExpr != null ? myExpr.getReference() : null;
if (reference != null && reference.resolve() == myLocalVariable) {
r = myExprMarker;
} else {
r = myLocalMarker;
}
} else {
r = myExprMarker;
}
return r != null ? r.getStartOffset() : 0;
}
public static void change(UsageInfo[] usages, TypeMigrationLabeler labeler, Project project) {
final List<SmartPsiElementPointer<PsiNewExpression>> newExpressionsToCheckDiamonds =
new SmartList<>();
final TypeMigrationLabeler.MigrationProducer producer = labeler.createMigratorFor(usages);
final SmartPointerManager smartPointerManager = SmartPointerManager.getInstance(project);
List<UsageInfo> nonCodeUsages = new ArrayList<>();
for (UsageInfo usage : usages) {
if (((TypeMigrationUsageInfo) usage).isExcluded()) continue;
final PsiElement element = usage.getElement();
if (element instanceof PsiVariable
|| element instanceof PsiMember
|| element instanceof PsiExpression
|| element instanceof PsiReferenceParameterList) {
producer.change(
(TypeMigrationUsageInfo) usage,
expression ->
newExpressionsToCheckDiamonds.add(
smartPointerManager.createSmartPsiElementPointer(expression)));
} else {
nonCodeUsages.add(usage);
}
}
for (SmartPsiElementPointer<PsiNewExpression> newExpressionPointer :
newExpressionsToCheckDiamonds) {
final PsiNewExpression newExpression = newExpressionPointer.getElement();
if (newExpression != null) {
labeler.postProcessNewExpression(newExpression);
}
}
for (UsageInfo usageInfo : nonCodeUsages) {
final PsiElement element = usageInfo.getElement();
if (element != null) {
final PsiReference reference = element.getReference();
if (reference != null) {
final Object target = producer.getConversion(usageInfo);
if (target instanceof PsiMember) {
try {
reference.bindToElement((PsiElement) target);
} catch (IncorrectOperationException ignored) {
}
}
}
}
}
producer.flush();
}
public static void doRenameGenericNamedElement(
@NotNull PsiElement namedElement,
String newName,
UsageInfo[] usages,
@Nullable RefactoringElementListener listener)
throws IncorrectOperationException {
PsiWritableMetaData writableMetaData = null;
if (namedElement instanceof PsiMetaOwner) {
final PsiMetaData metaData = ((PsiMetaOwner) namedElement).getMetaData();
if (metaData instanceof PsiWritableMetaData) {
writableMetaData = (PsiWritableMetaData) metaData;
}
}
if (writableMetaData == null && !(namedElement instanceof PsiNamedElement)) {
LOG.error("Unknown element type:" + namedElement);
}
boolean hasBindables = false;
for (UsageInfo usage : usages) {
if (!(usage.getReference() instanceof BindablePsiReference)) {
rename(usage, newName);
} else {
hasBindables = true;
}
}
if (writableMetaData != null) {
writableMetaData.setName(newName);
} else {
PsiElement namedElementAfterRename = ((PsiNamedElement) namedElement).setName(newName);
if (namedElementAfterRename != null) namedElement = namedElementAfterRename;
}
if (hasBindables) {
for (UsageInfo usage : usages) {
final PsiReference ref = usage.getReference();
if (ref instanceof BindablePsiReference) {
try {
ref.bindToElement(namedElement);
} catch (IncorrectOperationException e) { // fall back to old scheme
ref.handleElementRename(newName);
}
}
}
}
if (listener != null) {
listener.elementRenamed(namedElement);
}
}
@Nullable
private static Condition<PsiElement> findConstructorUsages(
PsiMethod constructor,
Collection<PsiReference> originalReferences,
List<UsageInfo> usages,
final PsiElement[] allElementsToDelete) {
HashMap<PsiMethod, Collection<PsiReference>> constructorsToRefs = new HashMap<>();
HashSet<PsiMethod> newConstructors = new HashSet<>();
if (isTheOnlyEmptyDefaultConstructor(constructor)) return null;
newConstructors.add(constructor);
constructorsToRefs.put(constructor, originalReferences);
HashSet<PsiMethod> passConstructors = new HashSet<>();
do {
passConstructors.clear();
for (PsiMethod method : newConstructors) {
final Collection<PsiReference> references = constructorsToRefs.get(method);
for (PsiReference reference : references) {
PsiMethod overridingConstructor =
getOverridingConstructorOfSuperCall(reference.getElement());
if (overridingConstructor != null
&& !constructorsToRefs.containsKey(overridingConstructor)) {
Collection<PsiReference> overridingConstructorReferences =
ReferencesSearch.search(overridingConstructor).findAll();
constructorsToRefs.put(overridingConstructor, overridingConstructorReferences);
passConstructors.add(overridingConstructor);
}
}
}
newConstructors.clear();
newConstructors.addAll(passConstructors);
} while (!newConstructors.isEmpty());
final Set<PsiMethod> validOverriding =
validateOverridingMethods(
constructor,
originalReferences,
constructorsToRefs.keySet(),
constructorsToRefs,
usages,
allElementsToDelete);
return usage -> {
if (usage instanceof PsiFile) return false;
return isInside(usage, allElementsToDelete) || isInside(usage, validOverriding);
};
}
@Nullable
static PsiElement resolveReference(final PsiReference psiReference) {
if (psiReference instanceof PsiPolyVariantReference) {
final ResolveResult[] results = ((PsiPolyVariantReference) psiReference).multiResolve(true);
if (results.length == 1) return results[0].getElement();
}
return psiReference.resolve();
}
private void resolveReference(
@NotNull PsiReference reference, @NotNull Set<PsiElement> resolved) {
PsiElement element = reference.resolve();
if (element != null) {
resolved.add(element);
}
refCount.incrementAndGet();
}
public boolean isReferencedForWrite(@NotNull PsiVariable variable) {
List<PsiReference> array;
synchronized (myLocalRefsMap) {
array = myLocalRefsMap.getKeysByValue(variable);
}
if (array == null) return false;
for (PsiReference ref : array) {
final PsiElement refElement = ref.getElement();
if (!(refElement instanceof PsiExpression)) { // possible with incomplete code
return true;
}
if (PsiUtil.isAccessedForWriting((PsiExpression) refElement)) {
return true;
}
}
return false;
}
private void removeParametersUsedInExitsOnly(
PsiElement codeFragment, List<PsiVariable> inputVariables) {
LocalSearchScope scope = new LocalSearchScope(codeFragment);
Variables:
for (Iterator<PsiVariable> iterator = inputVariables.iterator(); iterator.hasNext(); ) {
PsiVariable variable = iterator.next();
for (PsiReference ref : ReferencesSearch.search(variable, scope)) {
PsiElement element = ref.getElement();
int elementOffset = myControlFlow.getStartOffset(element);
if (elementOffset == -1) {
continue Variables;
}
if (elementOffset >= myFlowStart && elementOffset <= myFlowEnd) {
if (!isInExitStatements(element, myExitStatements)) continue Variables;
}
}
iterator.remove();
}
}
protected void performRefactoring(UsageInfo[] usages) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;
PsiMethod patternMethod = createMethodToAdd();
final List<PsiReference> docRefs = new ArrayList<PsiReference>();
for (UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
addMethodToClass(inheritor, patternMethod, true);
} else if (usage instanceof MethodCallUsageInfo
&& !((MethodCallUsageInfo) usage).isInternal()) {
final PsiElement expression = ((MethodCallUsageInfo) usage).getMethodCallExpression();
if (expression instanceof PsiMethodCallExpression) {
correctMethodCall((PsiMethodCallExpression) expression, false);
} else if (expression instanceof PsiMethodReferenceExpression) {
PsiExpression newQualifier =
JavaPsiFacade.getInstance(myProject)
.getElementFactory()
.createExpressionFromText(myTargetVariable.getType().getCanonicalText(), null);
((PsiMethodReferenceExpression) expression).setQualifierExpression(newQualifier);
}
} else if (usage instanceof JavadocUsageInfo) {
docRefs.add(usage.getElement().getReference());
}
}
try {
if (myTargetClass.isInterface()) patternMethod.getBody().delete();
final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
myMethod.delete();
for (PsiReference reference : docRefs) {
reference.bindToElement(method);
}
VisibilityUtil.fixVisibility(UsageViewUtil.toElements(usages), method, myNewVisibility);
if (myOpenInEditor) {
EditorHelper.openInEditor(method);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@Nullable
private static String getStringValue(@Nullable PsiElement psiElement, int depth) {
if (psiElement == null || ++depth > 5) {
return null;
}
if (psiElement instanceof StringLiteralExpression) {
String resolvedString = ((StringLiteralExpression) psiElement).getContents();
if (StringUtils.isEmpty(resolvedString)) {
return null;
}
return resolvedString;
}
if (psiElement instanceof Field) {
return getStringValue(((Field) psiElement).getDefaultValue(), depth);
}
if (psiElement instanceof PhpReference) {
PsiReference psiReference = psiElement.getReference();
if (psiReference == null) {
return null;
}
PsiElement ref = psiReference.resolve();
if (ref instanceof PhpReference) {
return getStringValue(psiElement, depth);
}
if (ref instanceof Field) {
PsiElement resolved = ((Field) ref).getDefaultValue();
if (resolved instanceof StringLiteralExpression) {
return ((StringLiteralExpression) resolved).getContents();
}
}
}
return null;
}
public boolean isReferencedByMethodReference(
@NotNull PsiMethod method, @NotNull LanguageLevel languageLevel) {
if (!languageLevel.isAtLeast(LanguageLevel.JDK_1_8)) return false;
List<PsiReference> array;
synchronized (myLocalRefsMap) {
array = myLocalRefsMap.getKeysByValue(method);
}
if (array != null && !array.isEmpty()) {
for (PsiReference reference : array) {
final PsiElement element = reference.getElement();
if (element != null && element instanceof PsiMethodReferenceExpression) {
return true;
}
}
}
return false;
}
public static void sortIdenticalShortNameClasses(
PsiClass[] classes, @NotNull PsiReference context) {
if (classes.length <= 1) return;
PsiElement leaf =
context
.getElement()
.getFirstChild(); // the same proximity weighers are used in completion, where the
// leafness is critical
Arrays.sort(classes, new PsiProximityComparator(leaf));
}