public static boolean isValidName(
final Project project, final PsiElement psiElement, final String newName) {
if (newName == null || newName.length() == 0) {
return false;
}
final Condition<String> inputValidator =
RenameInputValidatorRegistry.getInputValidator(psiElement);
if (inputValidator != null) {
return inputValidator.value(newName);
}
if (psiElement instanceof PsiFile || psiElement instanceof PsiDirectory) {
return newName.indexOf('\\') < 0 && newName.indexOf('/') < 0;
}
if (psiElement instanceof PomTargetPsiElement) {
return !StringUtil.isEmptyOrSpaces(newName);
}
final PsiFile file = psiElement.getContainingFile();
final Language elementLanguage = psiElement.getLanguage();
final Language fileLanguage = file == null ? null : file.getLanguage();
Language language =
fileLanguage == null
? elementLanguage
: fileLanguage.isKindOf(elementLanguage) ? fileLanguage : elementLanguage;
return LanguageNamesValidation.INSTANCE
.forLanguage(language)
.isIdentifier(newName.trim(), project);
}
private static void processParameterUsage(
PsiReferenceExpression ref, String oldName, String newName)
throws IncorrectOperationException {
PsiElement last = ref.getReferenceNameElement();
if (last instanceof PsiIdentifier && last.getText().equals(oldName)) {
PsiElementFactory factory = JavaPsiFacade.getInstance(ref.getProject()).getElementFactory();
PsiIdentifier newNameIdentifier = factory.createIdentifier(newName);
last.replace(newNameIdentifier);
}
}
@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 processMethodUsage(
PsiElement ref,
JavaChangeInfo changeInfo,
boolean toChangeArguments,
boolean toCatchExceptions,
PsiMethod callee,
PsiSubstitutor subsitutor,
final UsageInfo[] usages)
throws IncorrectOperationException {
if (changeInfo.isNameChanged()) {
if (ref instanceof PsiJavaCodeReferenceElement) {
PsiElement last = ((PsiJavaCodeReferenceElement) ref).getReferenceNameElement();
if (last instanceof PsiIdentifier && last.getText().equals(changeInfo.getOldName())) {
last.replace(changeInfo.getNewNameIdentifier());
}
}
}
final PsiMethod caller = RefactoringUtil.getEnclosingMethod(ref);
if (toChangeArguments) {
final PsiExpressionList list = RefactoringUtil.getArgumentListByMethodReference(ref);
LOG.assertTrue(list != null);
boolean toInsertDefaultValue = needDefaultValue(changeInfo, caller);
if (toInsertDefaultValue && ref instanceof PsiReferenceExpression) {
final PsiExpression qualifierExpression =
((PsiReferenceExpression) ref).getQualifierExpression();
if (qualifierExpression instanceof PsiSuperExpression
&& callerSignatureIsAboutToChangeToo(caller, usages)) {
toInsertDefaultValue = false;
}
}
fixActualArgumentsList(list, changeInfo, toInsertDefaultValue, subsitutor);
}
if (toCatchExceptions) {
if (!(ref instanceof PsiReferenceExpression
&& ((PsiReferenceExpression) ref).getQualifierExpression()
instanceof PsiSuperExpression)) {
if (needToCatchExceptions(changeInfo, caller)) {
PsiClassType[] newExceptions =
callee != null
? getCalleeChangedExceptionInfo(callee)
: getPrimaryChangedExceptionInfo(changeInfo);
fixExceptions(ref, newExceptions);
}
}
}
}
@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 MethodCallUsageInfo) {
MethodCallUsageInfo methodCallUsageInfo = (MethodCallUsageInfo) usageInfo;
if (methodCallUsageInfo.isToChangeArguments()) {
final PsiElement element = methodCallUsageInfo.getElement();
if (element == null) continue;
final PsiMethod caller = RefactoringUtil.getEnclosingMethod(element);
final boolean needDefaultValue = needDefaultValue(changeInfo, caller);
if (needDefaultValue
&& (caller == null
|| !MethodSignatureUtil.isSuperMethod(
methodCallUsageInfo.getReferencedMethod(), 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;
}
private void processChangedMethodCall(PsiElement element) throws IncorrectOperationException {
if (element.getParent() instanceof PsiMethodCallExpression) {
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) element.getParent();
if (myMethodToReplaceIn == myMethodToSearchFor
&& PsiTreeUtil.isAncestor(methodCall, myParameterInitializer, false)) return;
PsiElementFactory factory =
JavaPsiFacade.getInstance(methodCall.getProject()).getElementFactory();
PsiExpression expression = factory.createExpressionFromText(myParameterName, null);
final PsiExpressionList argList = methodCall.getArgumentList();
final PsiExpression[] exprs = argList.getExpressions();
boolean first = false;
PsiElement anchor = null;
if (myMethodToSearchFor.isVarArgs()) {
final int oldParamCount = myMethodToSearchFor.getParameterList().getParametersCount() - 1;
if (exprs.length >= oldParamCount) {
if (oldParamCount > 1) {
anchor = exprs[oldParamCount - 2];
} else {
first = true;
anchor = null;
}
} else {
anchor = exprs[exprs.length - 1];
}
} else if (exprs.length > 0) {
anchor = exprs[exprs.length - 1];
}
if (anchor != null) {
argList.addAfter(expression, anchor);
} else {
if (first && exprs.length > 0) {
argList.addBefore(expression, exprs[0]);
} else {
argList.add(expression);
}
}
removeParametersFromCall(argList);
} else {
LOG.error(element.getParent());
}
}
public static void renameNonCodeUsages(
@NotNull Project project, @NotNull NonCodeUsageInfo[] usages) {
PsiDocumentManager.getInstance(project).commitAllDocuments();
Map<Document, List<UsageOffset>> docsToOffsetsMap = new HashMap<Document, List<UsageOffset>>();
final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
for (NonCodeUsageInfo usage : usages) {
PsiElement element = usage.getElement();
if (element == null) continue;
element = CodeInsightUtilBase.forcePsiPostprocessAndRestoreElement(element, true);
if (element == null) continue;
final ProperTextRange rangeInElement = usage.getRangeInElement();
if (rangeInElement == null) continue;
final PsiFile containingFile = element.getContainingFile();
final Document document = psiDocumentManager.getDocument(containingFile);
final Segment segment = usage.getSegment();
LOG.assertTrue(segment != null);
int fileOffset = segment.getStartOffset();
List<UsageOffset> list = docsToOffsetsMap.get(document);
if (list == null) {
list = new ArrayList<UsageOffset>();
docsToOffsetsMap.put(document, list);
}
list.add(new UsageOffset(fileOffset, fileOffset + rangeInElement.getLength(), usage.newText));
}
for (Document document : docsToOffsetsMap.keySet()) {
List<UsageOffset> list = docsToOffsetsMap.get(document);
LOG.assertTrue(list != null, document);
UsageOffset[] offsets = list.toArray(new UsageOffset[list.size()]);
Arrays.sort(offsets);
for (int i = offsets.length - 1; i >= 0; i--) {
UsageOffset usageOffset = offsets[i];
document.replaceString(usageOffset.startOffset, usageOffset.endOffset, usageOffset.newText);
}
PsiDocumentManager.getInstance(project).commitDocument(document);
}
PsiDocumentManager.getInstance(project).commitAllDocuments();
}
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();
}
}
}
}
}
}
private static void fixExceptions(PsiElement ref, PsiClassType[] newExceptions)
throws IncorrectOperationException {
// methods' throws lists are already modified, may use ExceptionUtil.collectUnhandledExceptions
newExceptions = filterCheckedExceptions(newExceptions);
PsiElement context = PsiTreeUtil.getParentOfType(ref, PsiTryStatement.class, PsiMethod.class);
if (context instanceof PsiTryStatement) {
PsiTryStatement tryStatement = (PsiTryStatement) context;
PsiCodeBlock tryBlock = tryStatement.getTryBlock();
// Remove unused catches
Collection<PsiClassType> classes =
ExceptionUtil.collectUnhandledExceptions(tryBlock, tryBlock);
PsiParameter[] catchParameters = tryStatement.getCatchBlockParameters();
for (PsiParameter parameter : catchParameters) {
final PsiType caughtType = parameter.getType();
if (!(caughtType instanceof PsiClassType)) continue;
if (ExceptionUtil.isUncheckedExceptionOrSuperclass((PsiClassType) caughtType)) continue;
if (!isCatchParameterRedundant((PsiClassType) caughtType, classes)) continue;
parameter.getParent().delete(); // delete catch section
}
PsiClassType[] exceptionsToAdd = filterUnhandledExceptions(newExceptions, tryBlock);
addExceptions(exceptionsToAdd, tryStatement);
adjustPossibleEmptyTryStatement(tryStatement);
} else {
newExceptions = filterUnhandledExceptions(newExceptions, ref);
if (newExceptions.length > 0) {
// Add new try statement
PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(ref.getProject());
PsiTryStatement tryStatement =
(PsiTryStatement)
elementFactory.createStatementFromText("try {} catch (Exception e) {}", null);
PsiStatement anchor = PsiTreeUtil.getParentOfType(ref, PsiStatement.class);
LOG.assertTrue(anchor != null);
tryStatement.getTryBlock().add(anchor);
tryStatement = (PsiTryStatement) anchor.getParent().addAfter(tryStatement, anchor);
addExceptions(newExceptions, tryStatement);
anchor.delete();
tryStatement.getCatchSections()[0].delete(); // Delete dummy catch section
}
}
}
@NotNull
public static UsageInfo[] findUsages(
final PsiElement element,
final String newName,
boolean searchInStringsAndComments,
boolean searchForTextOccurrences,
Map<? extends PsiElement, String> allRenames) {
final List<UsageInfo> result = Collections.synchronizedList(new ArrayList<UsageInfo>());
PsiManager manager = element.getManager();
GlobalSearchScope projectScope = GlobalSearchScope.projectScope(manager.getProject());
RenamePsiElementProcessor processor = RenamePsiElementProcessor.forElement(element);
Collection<PsiReference> refs = processor.findReferences(element, searchInStringsAndComments);
for (final PsiReference ref : refs) {
if (ref == null) {
LOG.error("null reference from processor " + processor);
continue;
}
PsiElement referenceElement = ref.getElement();
result.add(
new MoveRenameUsageInfo(
referenceElement,
ref,
ref.getRangeInElement().getStartOffset(),
ref.getRangeInElement().getEndOffset(),
element,
ref.resolve() == null));
}
processor.findCollisions(element, newName, allRenames, result);
final PsiElement searchForInComments =
processor.getElementToSearchInStringsAndComments(element);
if (searchInStringsAndComments && searchForInComments != null) {
String stringToSearch =
ElementDescriptionUtil.getElementDescription(
searchForInComments, NonCodeSearchDescriptionLocation.STRINGS_AND_COMMENTS);
if (stringToSearch.length() > 0) {
final String stringToReplace = getStringToReplace(element, newName, false, processor);
TextOccurrencesUtil.UsageInfoFactory factory =
new NonCodeUsageInfoFactory(searchForInComments, stringToReplace);
TextOccurrencesUtil.addUsagesInStringsAndComments(
searchForInComments, stringToSearch, result, factory);
}
}
if (searchForTextOccurrences && searchForInComments != null) {
String stringToSearch =
ElementDescriptionUtil.getElementDescription(
searchForInComments, NonCodeSearchDescriptionLocation.NON_JAVA);
if (stringToSearch.length() > 0) {
final String stringToReplace = getStringToReplace(element, newName, true, processor);
addTextOccurrence(
searchForInComments, result, projectScope, stringToSearch, stringToReplace);
}
final Pair<String, String> additionalStringToSearch =
processor.getTextOccurrenceSearchStrings(searchForInComments, newName);
if (additionalStringToSearch != null && additionalStringToSearch.first.length() > 0) {
addTextOccurrence(
searchForInComments,
result,
projectScope,
additionalStringToSearch.first,
additionalStringToSearch.second);
}
}
return result.toArray(new UsageInfo[result.size()]);
}
public boolean processUsage(
ChangeInfo changeInfo, UsageInfo usage, boolean beforeMethodChange, UsageInfo[] usages) {
if (!isJavaUsage(usage)) return false;
if (!(changeInfo instanceof JavaChangeInfo)) return false;
if (beforeMethodChange) {
if (usage instanceof CallerUsageInfo) {
final CallerUsageInfo callerUsageInfo = (CallerUsageInfo) usage;
processCallerMethod(
(JavaChangeInfo) changeInfo,
callerUsageInfo.getMethod(),
null,
callerUsageInfo.isToInsertParameter(),
callerUsageInfo.isToInsertException());
return true;
} else if (usage instanceof OverriderUsageInfo) {
OverriderUsageInfo info = (OverriderUsageInfo) usage;
final PsiMethod method = info.getElement();
final PsiMethod baseMethod = info.getBaseMethod();
if (info.isOriginalOverrider()) {
processPrimaryMethod((JavaChangeInfo) changeInfo, method, baseMethod, false);
} else {
processCallerMethod(
(JavaChangeInfo) changeInfo,
method,
baseMethod,
info.isToInsertArgs(),
info.isToCatchExceptions());
}
return true;
}
} else {
PsiElement element = usage.getElement();
LOG.assertTrue(element != null);
if (usage instanceof DefaultConstructorImplicitUsageInfo) {
final DefaultConstructorImplicitUsageInfo defConstructorUsage =
(DefaultConstructorImplicitUsageInfo) usage;
PsiMethod constructor = defConstructorUsage.getConstructor();
if (!constructor.isPhysical()) {
final boolean toPropagate =
changeInfo instanceof JavaChangeInfoImpl
&& ((JavaChangeInfoImpl) changeInfo)
.propagateParametersMethods.remove(constructor);
final PsiClass containingClass = defConstructorUsage.getContainingClass();
constructor = (PsiMethod) containingClass.add(constructor);
PsiUtil.setModifierProperty(
constructor,
VisibilityUtil.getVisibilityModifier(containingClass.getModifierList()),
true);
if (toPropagate) {
((JavaChangeInfoImpl) changeInfo).propagateParametersMethods.add(constructor);
}
}
addSuperCall(
(JavaChangeInfo) changeInfo,
constructor,
defConstructorUsage.getBaseConstructor(),
usages);
return true;
} else if (usage instanceof NoConstructorClassUsageInfo) {
addDefaultConstructor(
((JavaChangeInfo) changeInfo),
((NoConstructorClassUsageInfo) usage).getPsiClass(),
usages);
return true;
} else if (usage instanceof MethodCallUsageInfo) {
final MethodCallUsageInfo methodCallInfo = (MethodCallUsageInfo) usage;
processMethodUsage(
methodCallInfo.getElement(),
(JavaChangeInfo) changeInfo,
methodCallInfo.isToChangeArguments(),
methodCallInfo.isToCatchExceptions(),
methodCallInfo.getReferencedMethod(),
methodCallInfo.getSubstitutor(),
usages);
return true;
} else if (usage instanceof ChangeSignatureParameterUsageInfo) {
String newName = ((ChangeSignatureParameterUsageInfo) usage).newParameterName;
String oldName = ((ChangeSignatureParameterUsageInfo) usage).oldParameterName;
processParameterUsage((PsiReferenceExpression) element, oldName, newName);
return true;
} else if (usage instanceof CallReferenceUsageInfo) {
((CallReferenceUsageInfo) usage).getReference().handleChangeSignature(changeInfo);
return true;
} else if (element instanceof PsiEnumConstant) {
fixActualArgumentsList(
((PsiEnumConstant) element).getArgumentList(),
(JavaChangeInfo) changeInfo,
true,
PsiSubstitutor.EMPTY);
return true;
} else if (!(usage instanceof OverriderUsageInfo)) {
PsiReference reference =
usage instanceof MoveRenameUsageInfo ? usage.getReference() : element.getReference();
if (reference != null) {
PsiElement target = changeInfo.getMethod();
if (target != null) {
reference.bindToElement(target);
}
}
}
}
return false;
}
private static boolean isJavaUsage(UsageInfo info) {
final PsiElement element = info.getElement();
if (element == null) return false;
return element.getLanguage() == StdLanguages.JAVA;
}
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);
}
}
private PsiMethod createMethodToAdd() {
ChangeContextUtil.encodeContextInfo(myMethod, true);
try {
final PsiManager manager = myMethod.getManager();
final PsiElementFactory factory =
JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
// correct internal references
final PsiCodeBlock body = myMethod.getBody();
if (body != null) {
final Map<PsiElement, PsiElement> replaceMap = new HashMap<PsiElement, PsiElement>();
body.accept(
new JavaRecursiveElementVisitor() {
@Override
public void visitThisExpression(PsiThisExpression expression) {
final PsiClass classReferencedByThis =
MoveInstanceMembersUtil.getClassReferencedByThis(expression);
if (classReferencedByThis != null
&& !PsiTreeUtil.isAncestor(myMethod, classReferencedByThis, false)) {
final PsiElementFactory factory =
JavaPsiFacade.getInstance(myProject).getElementFactory();
String paramName = getParameterNameToCreate(classReferencedByThis);
try {
final PsiExpression refExpression =
factory.createExpressionFromText(paramName, null);
replaceMap.put(expression, refExpression);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
try {
final PsiExpression qualifier = expression.getQualifierExpression();
final PsiElement resolved = expression.resolve();
if (qualifier instanceof PsiReferenceExpression
&& ((PsiReferenceExpression) qualifier).isReferenceTo(myTargetVariable)) {
if (resolved instanceof PsiField) {
for (PsiParameter parameter : myMethod.getParameterList().getParameters()) {
if (Comparing.strEqual(
parameter.getName(), ((PsiField) resolved).getName())) {
qualifier.replace(factory.createExpressionFromText("this", null));
return;
}
}
}
// Target is a field, replace target.m -> m
qualifier.delete();
return;
}
if (myTargetVariable.equals(resolved)) {
PsiThisExpression thisExpression =
RefactoringChangeUtil.createThisExpression(
manager,
PsiTreeUtil.isAncestor(
myMethod,
PsiTreeUtil.getParentOfType(expression, PsiClass.class),
true)
? myTargetClass
: null);
replaceMap.put(expression, thisExpression);
return;
} else if (myMethod.equals(resolved)) {
} else {
PsiClass classReferencedByThis =
MoveInstanceMembersUtil.getClassReferencedByThis(expression);
if (classReferencedByThis != null) {
final String paramName = getParameterNameToCreate(classReferencedByThis);
if (paramName != null) {
PsiReferenceExpression newQualifier =
(PsiReferenceExpression)
factory.createExpressionFromText(paramName, null);
expression.setQualifierExpression(newQualifier);
return;
}
}
}
super.visitReferenceExpression(expression);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@Override
public void visitNewExpression(PsiNewExpression expression) {
try {
final PsiExpression qualifier = expression.getQualifier();
if (qualifier instanceof PsiReferenceExpression
&& ((PsiReferenceExpression) qualifier).isReferenceTo(myTargetVariable)) {
// Target is a field, replace target.new A() -> new A()
qualifier.delete();
} else {
final PsiClass classReferencedByThis =
MoveInstanceMembersUtil.getClassReferencedByThis(expression);
if (classReferencedByThis != null) {
if (qualifier != null) qualifier.delete();
final String paramName = getParameterNameToCreate(classReferencedByThis);
final PsiExpression newExpression =
factory.createExpressionFromText(
paramName + "." + expression.getText(), null);
replaceMap.put(expression, newExpression);
}
}
super.visitNewExpression(expression);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
correctMethodCall(expression, true);
super.visitMethodCallExpression(expression);
}
});
for (PsiElement element : replaceMap.keySet()) {
final PsiElement replacement = replaceMap.get(element);
element.replace(replacement);
}
}
final PsiMethod methodCopy = getPatternMethod();
final List<PsiParameter> newParameters =
Arrays.asList(methodCopy.getParameterList().getParameters());
RefactoringUtil.fixJavadocsForParams(methodCopy, new HashSet<PsiParameter>(newParameters));
return methodCopy;
} catch (IncorrectOperationException e) {
LOG.error(e);
return myMethod;
}
}
