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;
}
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
if (!CodeInsightUtilBase.preparePsiElementForWrite(descriptor.getPsiElement())) return;
final PsiMethod psiMethod =
PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), PsiMethod.class);
if (psiMethod != null) {
final ArrayList<PsiElement> psiParameters = new ArrayList<PsiElement>();
final RefElement refMethod = myManager != null ? myManager.getReference(psiMethod) : null;
if (refMethod != null) {
for (final RefParameter refParameter : getUnusedParameters((RefMethod) refMethod)) {
psiParameters.add(refParameter.getElement());
}
} else {
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
for (PsiParameter parameter : parameters) {
if (Comparing.strEqual(parameter.getName(), myHint)) {
psiParameters.add(parameter);
break;
}
}
}
final PsiModificationTracker tracker = psiMethod.getManager().getModificationTracker();
final long startModificationCount = tracker.getModificationCount();
removeUnusedParameterViaChangeSignature(psiMethod, psiParameters);
if (refMethod != null && startModificationCount != tracker.getModificationCount()) {
myProcessor.ignoreElement(refMethod);
}
}
}
@NotNull
private static Set<PsiClassType> filterInProjectExceptions(
@Nullable PsiMethod targetMethod, @NotNull List<PsiClassType> unhandledExceptions) {
if (targetMethod == null) return Collections.emptySet();
Set<PsiClassType> result = new HashSet<PsiClassType>();
if (targetMethod.getManager().isInProject(targetMethod)) {
PsiMethod[] superMethods = targetMethod.findSuperMethods();
for (PsiMethod superMethod : superMethods) {
Set<PsiClassType> classTypes = filterInProjectExceptions(superMethod, unhandledExceptions);
result.addAll(classTypes);
}
if (superMethods.length == 0) {
result.addAll(unhandledExceptions);
}
} else {
PsiClassType[] referencedTypes = targetMethod.getThrowsList().getReferencedTypes();
for (PsiClassType referencedType : referencedTypes) {
PsiClass psiClass = referencedType.resolve();
if (psiClass == null) continue;
for (PsiClassType exception : unhandledExceptions) {
if (referencedType.isAssignableFrom(exception)) result.add(exception);
}
}
}
return result;
}
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 static PsiSubstitutor calculateSubstitutor(
PsiMethod derivedMethod, PsiMethod baseMethod) {
PsiSubstitutor substitutor;
if (derivedMethod.getManager().areElementsEquivalent(derivedMethod, baseMethod)) {
substitutor = PsiSubstitutor.EMPTY;
} else {
final PsiClass baseClass = baseMethod.getContainingClass();
final PsiClass derivedClass = derivedMethod.getContainingClass();
if (baseClass != null
&& derivedClass != null
&& InheritanceUtil.isInheritorOrSelf(derivedClass, baseClass, true)) {
final PsiSubstitutor superClassSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(
baseClass, derivedClass, PsiSubstitutor.EMPTY);
final MethodSignature superMethodSignature = baseMethod.getSignature(superClassSubstitutor);
final MethodSignature methodSignature = derivedMethod.getSignature(PsiSubstitutor.EMPTY);
final PsiSubstitutor superMethodSubstitutor =
MethodSignatureUtil.getSuperMethodSignatureSubstitutor(
methodSignature, superMethodSignature);
substitutor =
superMethodSubstitutor != null ? superMethodSubstitutor : superClassSubstitutor;
} else {
substitutor = PsiSubstitutor.EMPTY;
}
}
return substitutor;
}
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));
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return myMethod != null
&& myMethod.isValid()
&& myMethod.getBody() == null
&& myMethod.getContainingClass() != null
&& myMethod.getManager().isInProject(myMethod);
}
private static PsiClassType[] getPrimaryChangedExceptionInfo(JavaChangeInfo changeInfo)
throws IncorrectOperationException {
final ThrownExceptionInfo[] newExceptionInfos = changeInfo.getNewExceptions();
PsiClassType[] newExceptions = new PsiClassType[newExceptionInfos.length];
final PsiMethod method = changeInfo.getMethod();
for (int i = 0; i < newExceptions.length; i++) {
newExceptions[i] =
(PsiClassType)
newExceptionInfos[i].createType(
method, method.getManager()); // context really does not matter here
}
return newExceptions;
}
@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 processCallerMethod(
JavaChangeInfo changeInfo,
PsiMethod caller,
PsiMethod baseMethod,
boolean toInsertParams,
boolean toInsertThrows)
throws IncorrectOperationException {
LOG.assertTrue(toInsertParams || toInsertThrows);
if (toInsertParams) {
List<PsiParameter> newParameters = new ArrayList<PsiParameter>();
ContainerUtil.addAll(newParameters, caller.getParameterList().getParameters());
final JavaParameterInfo[] primaryNewParms = changeInfo.getNewParameters();
PsiSubstitutor substitutor =
baseMethod == null
? PsiSubstitutor.EMPTY
: ChangeSignatureProcessor.calculateSubstitutor(caller, baseMethod);
for (JavaParameterInfo info : primaryNewParms) {
if (info.getOldIndex() < 0)
newParameters.add(createNewParameter(changeInfo, info, substitutor));
}
PsiParameter[] arrayed = newParameters.toArray(new PsiParameter[newParameters.size()]);
boolean[] toRemoveParm = new boolean[arrayed.length];
Arrays.fill(toRemoveParm, false);
resolveParameterVsFieldsConflicts(arrayed, caller, caller.getParameterList(), toRemoveParm);
}
if (toInsertThrows) {
List<PsiJavaCodeReferenceElement> newThrowns = new ArrayList<PsiJavaCodeReferenceElement>();
final PsiReferenceList throwsList = caller.getThrowsList();
ContainerUtil.addAll(newThrowns, throwsList.getReferenceElements());
final ThrownExceptionInfo[] primaryNewExns = changeInfo.getNewExceptions();
for (ThrownExceptionInfo thrownExceptionInfo : primaryNewExns) {
if (thrownExceptionInfo.getOldIndex() < 0) {
final PsiClassType type =
(PsiClassType) thrownExceptionInfo.createType(caller, caller.getManager());
final PsiJavaCodeReferenceElement ref =
JavaPsiFacade.getInstance(caller.getProject())
.getElementFactory()
.createReferenceElementByType(type);
newThrowns.add(ref);
}
}
PsiJavaCodeReferenceElement[] arrayed =
newThrowns.toArray(new PsiJavaCodeReferenceElement[newThrowns.size()]);
boolean[] toRemoveParm = new boolean[arrayed.length];
Arrays.fill(toRemoveParm, false);
ChangeSignatureUtil.synchronizeList(
throwsList, Arrays.asList(arrayed), ThrowsList.INSTANCE, toRemoveParm);
}
}
@Override
public boolean isAvailable(
@NotNull Project project,
@NotNull PsiFile file,
@NotNull PsiElement startElement,
@NotNull PsiElement endElement) {
final PsiMethod myMethod = (PsiMethod) startElement;
PsiType myReturnType = myReturnTypePointer.getType();
return myMethod.isValid()
&& myMethod.getManager().isInProject(myMethod)
&& myReturnType != null
&& myReturnType.isValid()
&& !TypeConversionUtil.isNullType(myReturnType)
&& myMethod.getReturnType() != null
&& !Comparing.equal(myReturnType, myMethod.getReturnType());
}
private boolean shouldFixSuper(PsiMethod method) {
for (PsiMember element : myMembersAfterMove) {
if (element instanceof PsiMethod) {
PsiMethod member = (PsiMethod) element;
// if there is such member among moved members, super qualifier
// should not be removed
final PsiManager manager = method.getManager();
if (manager.areElementsEquivalent(
member.getContainingClass(), method.getContainingClass())
&& MethodSignatureUtil.areSignaturesEqual(member, method)) {
return false;
}
}
}
final PsiMethod methodFromSuper = myTargetSuperClass.findMethodBySignature(method, false);
return methodFromSuper == null;
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
int offset = editor.getCaretModel().getOffset();
final PsiMethod method = findMethod(file, offset);
if (method == null || !method.isValid()) return false;
setText(getIntentionName(method));
if (!method.getManager().isInProject(method)) return false;
PsiClass containingClass = method.getContainingClass();
if (containingClass == null) return false;
final boolean isAbstract = method.hasModifierProperty(PsiModifier.ABSTRACT);
if (isAbstract
|| !method.hasModifierProperty(PsiModifier.PRIVATE)
&& !method.hasModifierProperty(PsiModifier.STATIC)) {
if (!isAbstract && !isOnIdentifier(file, offset)) return false;
MyElementProcessor processor = new MyElementProcessor(method);
if (containingClass.isEnum()) {
for (PsiField field : containingClass.getFields()) {
if (field instanceof PsiEnumConstant) {
final PsiEnumConstantInitializer initializingClass =
((PsiEnumConstant) field).getInitializingClass();
if (initializingClass == null) {
processor.myHasMissingImplementations = true;
} else {
if (!processor.execute(initializingClass)) {
break;
}
}
}
}
}
ClassInheritorsSearch.search(containingClass, false)
.forEach(new PsiElementProcessorAdapter<PsiClass>(processor));
return isAvailable(processor);
}
return false;
}
private void reportNullableArgumentsPassedToNonAnnotated(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr :
visitor.getProblems(NullabilityProblem.passingNullableArgumentToNonAnnotatedParameter)) {
if (reportedAnchors.contains(expr)) continue;
final String text =
isNullLiteralExpression(expr)
? "Passing <code>null</code> argument to non annotated parameter"
: "Argument <code>#ref</code> #loc might be null but passed to non annotated parameter";
LocalQuickFix[] fixes =
createNPEFixes((PsiExpression) expr, (PsiExpression) expr, holder.isOnTheFly());
final PsiElement parent = expr.getParent();
if (parent instanceof PsiExpressionList) {
final int idx = ArrayUtilRt.find(((PsiExpressionList) parent).getExpressions(), expr);
if (idx > -1) {
final PsiElement gParent = parent.getParent();
if (gParent instanceof PsiCallExpression) {
final PsiMethod psiMethod = ((PsiCallExpression) gParent).resolveMethod();
if (psiMethod != null
&& psiMethod.getManager().isInProject(psiMethod)
&& AnnotationUtil.isAnnotatingApplicable(psiMethod)) {
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
if (idx < parameters.length) {
final AddNullableAnnotationFix addNullableAnnotationFix =
new AddNullableAnnotationFix(parameters[idx]);
fixes =
fixes == null
? new LocalQuickFix[] {addNullableAnnotationFix}
: ArrayUtil.append(fixes, addNullableAnnotationFix);
holder.registerProblem(expr, text, fixes);
reportedAnchors.add(expr);
}
}
}
}
}
}
}
private static void fixPrimaryThrowsLists(PsiMethod method, PsiClassType[] newExceptions)
throws IncorrectOperationException {
PsiElementFactory elementFactory =
JavaPsiFacade.getInstance(method.getProject()).getElementFactory();
PsiJavaCodeReferenceElement[] refs = new PsiJavaCodeReferenceElement[newExceptions.length];
for (int i = 0; i < refs.length; i++) {
refs[i] = elementFactory.createReferenceElementByType(newExceptions[i]);
}
PsiReferenceList throwsList = elementFactory.createReferenceList(refs);
PsiReferenceList methodThrowsList =
(PsiReferenceList) method.getThrowsList().replace(throwsList);
methodThrowsList =
(PsiReferenceList)
JavaCodeStyleManager.getInstance(method.getProject())
.shortenClassReferences(methodThrowsList);
CodeStyleManager.getInstance(method.getManager().getProject())
.reformatRange(
method,
method.getParameterList().getTextRange().getEndOffset(),
methodThrowsList.getTextRange().getEndOffset());
}
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);
}
}
public void checkPrimitiveVarargs(
@NotNull List<CandidateInfo> conflicts, final int argumentsCount) {
if (JavaVersionService.getInstance().isAtLeast(myArgumentsList, JavaSdkVersion.JDK_1_7)) return;
CandidateInfo objectVararg = null;
for (CandidateInfo conflict : conflicts) {
ProgressManager.checkCanceled();
final PsiMethod method = (PsiMethod) conflict.getElement();
final int parametersCount = method.getParameterList().getParametersCount();
if (method.isVarArgs() && parametersCount - 1 == argumentsCount) {
final PsiType type =
method.getParameterList().getParameters()[parametersCount - 1].getType();
final PsiType componentType = ((PsiArrayType) type).getComponentType();
final PsiClassType classType =
PsiType.getJavaLangObject(
method.getManager(), GlobalSearchScope.allScope(method.getProject()));
if (Comparing.equal(componentType, classType)) {
objectVararg = conflict;
}
}
}
if (objectVararg != null) {
for (CandidateInfo conflict : conflicts) {
ProgressManager.checkCanceled();
PsiMethod method = (PsiMethod) conflict.getElement();
if (method != objectVararg && method.isVarArgs()) {
final int paramsCount = method.getParameterList().getParametersCount();
final PsiType type = method.getParameterList().getParameters()[paramsCount - 1].getType();
final PsiType componentType = ((PsiArrayType) type).getComponentType();
if (argumentsCount == paramsCount - 1 && componentType instanceof PsiPrimitiveType) {
conflicts.remove(objectVararg);
break;
}
}
}
}
}
public static boolean isMethodEquivalentTo(@NotNull PsiMethod method1, PsiElement another) {
if (method1 == another) return true;
if (!(another instanceof PsiMethod)) return false;
PsiMethod method2 = (PsiMethod) another;
if (!another.isValid()) return false;
if (!method1.getName().equals(method2.getName())) return false;
PsiClass aClass1 = method1.getContainingClass();
PsiClass aClass2 = method2.getContainingClass();
PsiManager manager = method1.getManager();
if (!(aClass1 != null && aClass2 != null && manager.areElementsEquivalent(aClass1, aClass2)))
return false;
PsiParameter[] parameters1 = method1.getParameterList().getParameters();
PsiParameter[] parameters2 = method2.getParameterList().getParameters();
if (parameters1.length != parameters2.length) return false;
for (int i = 0; i < parameters1.length; i++) {
PsiParameter parameter1 = parameters1[i];
PsiParameter parameter2 = parameters2[i];
PsiType type1 = parameter1.getType();
PsiType type2 = parameter2.getType();
if (!compareParamTypes(manager, type1, type2)) return false;
}
return true;
}
private void correctMethodCall(
final PsiMethodCallExpression expression, final boolean isInternalCall) {
try {
final PsiManager manager = myMethod.getManager();
PsiReferenceExpression methodExpression = expression.getMethodExpression();
if (!methodExpression.isReferenceTo(myMethod)) return;
final PsiExpression oldQualifier = methodExpression.getQualifierExpression();
PsiExpression newQualifier = null;
final PsiClass classReferencedByThis =
MoveInstanceMembersUtil.getClassReferencedByThis(methodExpression);
if (myTargetVariable instanceof PsiParameter) {
final int index =
myMethod.getParameterList().getParameterIndex((PsiParameter) myTargetVariable);
final PsiExpression[] arguments = expression.getArgumentList().getExpressions();
if (index < arguments.length) {
newQualifier = (PsiExpression) arguments[index].copy();
arguments[index].delete();
}
} else {
VisibilityUtil.escalateVisibility((PsiField) myTargetVariable, expression);
String newQualifierName = myTargetVariable.getName();
if (myTargetVariable instanceof PsiField && oldQualifier != null) {
final PsiClass aClass = PsiUtil.resolveClassInClassTypeOnly(oldQualifier.getType());
if (aClass == ((PsiField) myTargetVariable).getContainingClass()) {
newQualifierName = oldQualifier.getText() + "." + newQualifierName;
}
}
newQualifier =
JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createExpressionFromText(newQualifierName, null);
}
PsiExpression newArgument = null;
if (classReferencedByThis != null) {
@NonNls String thisArgumentText = null;
if (manager.areElementsEquivalent(myMethod.getContainingClass(), classReferencedByThis)) {
if (myOldClassParameterNames.containsKey(myMethod.getContainingClass())) {
thisArgumentText = "this";
}
} else {
thisArgumentText = classReferencedByThis.getName() + ".this";
}
if (thisArgumentText != null) {
newArgument =
JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createExpressionFromText(thisArgumentText, null);
}
} else {
if (!isInternalCall && oldQualifier != null) {
final PsiType type = oldQualifier.getType();
if (type instanceof PsiClassType) {
final PsiClass resolved = ((PsiClassType) type).resolve();
if (resolved != null && getParameterNameToCreate(resolved) != null) {
newArgument =
replaceRefsToTargetVariable(
oldQualifier); // replace is needed in case old qualifier is e.g. the same as
// field as target variable
}
}
}
}
if (newArgument != null) {
expression.getArgumentList().add(newArgument);
}
if (newQualifier != null) {
if (newQualifier instanceof PsiThisExpression
&& ((PsiThisExpression) newQualifier).getQualifier() == null) {
// Remove now redundant 'this' qualifier
if (oldQualifier != null) oldQualifier.delete();
} else {
final PsiReferenceExpression refExpr =
(PsiReferenceExpression)
JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createExpressionFromText("q." + myMethod.getName(), null);
refExpr.getQualifierExpression().replace(newQualifier);
methodExpression.replace(refExpr);
}
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private PsiClass buildClass() {
if (existingClass != null) {
return existingClass;
}
final ParameterObjectBuilder beanClassBuilder = new ParameterObjectBuilder();
beanClassBuilder.setVisibility(myCreateInnerClass ? PsiModifier.PRIVATE : PsiModifier.PUBLIC);
beanClassBuilder.setProject(myProject);
beanClassBuilder.setTypeArguments(typeParams);
beanClassBuilder.setClassName(className);
beanClassBuilder.setPackageName(packageName);
for (ParameterChunk parameterChunk : parameters) {
final VariableData parameter = parameterChunk.parameter;
final boolean setterRequired = paramsNeedingSetters.contains(parameter.variable);
beanClassBuilder.addField(
(PsiParameter) parameter.variable, parameter.name, parameter.type, setterRequired);
}
final String classString = beanClassBuilder.buildBeanClass();
try {
final PsiFileFactory factory = PsiFileFactory.getInstance(method.getProject());
final PsiJavaFile newFile =
(PsiJavaFile)
factory.createFileFromText(className + ".java", JavaFileType.INSTANCE, classString);
if (myCreateInnerClass) {
final PsiClass containingClass = method.getContainingClass();
final PsiClass[] classes = newFile.getClasses();
assert classes.length > 0 : classString;
final PsiClass innerClass = (PsiClass) containingClass.add(classes[0]);
PsiUtil.setModifierProperty(innerClass, PsiModifier.STATIC, true);
return (PsiClass)
JavaCodeStyleManager.getInstance(newFile.getProject())
.shortenClassReferences(innerClass);
} else {
final PsiFile containingFile = method.getContainingFile();
final PsiDirectory containingDirectory = containingFile.getContainingDirectory();
final PsiDirectory directory;
if (myMoveDestination != null) {
directory = myMoveDestination.getTargetDirectory(containingDirectory);
} else {
final Module module = ModuleUtil.findModuleForPsiElement(containingFile);
directory =
PackageUtil.findOrCreateDirectoryForPackage(
module, packageName, containingDirectory, true, true);
}
if (directory != null) {
final CodeStyleManager codeStyleManager =
CodeStyleManager.getInstance(method.getManager().getProject());
final PsiElement shortenedFile =
JavaCodeStyleManager.getInstance(newFile.getProject())
.shortenClassReferences(newFile);
final PsiElement reformattedFile = codeStyleManager.reformat(shortenedFile);
return ((PsiJavaFile) directory.add(reformattedFile)).getClasses()[0];
}
}
} catch (IncorrectOperationException e) {
logger.info(e);
}
return null;
}
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;
}
}
private static PsiMethod generateDelegateMethod(
PsiMethod method,
PsiClass superClass,
PsiSubstitutor substitutor,
boolean keepParameterAnnotations) {
final LightMethodBuilder builder =
new LightMethodBuilder(
superClass.getManager(), GroovyFileType.GROOVY_LANGUAGE, method.getName());
builder.setContainingClass(superClass);
builder.setMethodReturnType(substitutor.substitute(method.getReturnType()));
builder.setNavigationElement(method);
builder.addModifier(PsiModifier.PUBLIC);
final PsiTypeParameter[] typeParameters = method.getTypeParameters();
final PsiClass containingClass = method.getContainingClass();
boolean isRaw =
containingClass != null && PsiUtil.isRawSubstitutor(containingClass, substitutor);
if (isRaw) {
substitutor =
JavaPsiFacade.getInstance(method.getProject())
.getElementFactory()
.createRawSubstitutor(substitutor, typeParameters);
}
if (!isRaw) {
for (PsiTypeParameter typeParameter : typeParameters) {
builder.addTypeParameter(typeParameter);
}
}
final PsiParameter[] originalParameters = method.getParameterList().getParameters();
for (int i = 0; i < originalParameters.length; i++) {
PsiParameter originalParameter = originalParameters[i];
PsiType type;
if (isRaw) {
type = TypeConversionUtil.erasure(substitutor.substitute(originalParameter.getType()));
} else {
type = substitutor.substitute(originalParameter.getType());
}
if (type == null) {
type = PsiType.getJavaLangObject(superClass.getManager(), superClass.getResolveScope());
}
final LightParameter lightParameter =
new LightParameter(
StringUtil.notNullize(originalParameter.getName(), "p" + i),
type,
builder,
JavaLanguage.INSTANCE);
if (keepParameterAnnotations) {
final PsiCompositeModifierList delegatingModifierList =
new PsiCompositeModifierList(
method.getManager(),
Collections.singletonList(originalParameter.getModifierList()));
lightParameter.setModifierList(delegatingModifierList);
}
builder.addParameter(lightParameter);
}
builder.setBaseIcon(JetgroovyIcons.Groovy.Method);
return new DelegatedMethod(builder, method);
}
private static void processPrimaryMethod(
JavaChangeInfo changeInfo, PsiMethod method, PsiMethod baseMethod, boolean isOriginal)
throws IncorrectOperationException {
PsiElementFactory factory = JavaPsiFacade.getInstance(method.getProject()).getElementFactory();
if (changeInfo.isVisibilityChanged()) {
PsiModifierList modifierList = method.getModifierList();
final String highestVisibility =
isOriginal
? changeInfo.getNewVisibility()
: VisibilityUtil.getHighestVisibility(
changeInfo.getNewVisibility(),
VisibilityUtil.getVisibilityModifier(modifierList));
VisibilityUtil.setVisibility(modifierList, highestVisibility);
}
if (changeInfo.isNameChanged()) {
String newName =
baseMethod == null
? changeInfo.getNewName()
: RefactoringUtil.suggestNewOverriderName(
method.getName(), baseMethod.getName(), changeInfo.getNewName());
if (newName != null && !newName.equals(method.getName())) {
final PsiIdentifier nameId = method.getNameIdentifier();
assert nameId != null;
nameId.replace(
JavaPsiFacade.getInstance(method.getProject())
.getElementFactory()
.createIdentifier(newName));
}
}
final PsiSubstitutor substitutor =
baseMethod == null
? PsiSubstitutor.EMPTY
: ChangeSignatureProcessor.calculateSubstitutor(method, baseMethod);
if (changeInfo.isReturnTypeChanged()) {
PsiType newTypeElement =
changeInfo
.getNewReturnType()
.getType(changeInfo.getMethod().getParameterList(), method.getManager());
final PsiType returnType = substitutor.substitute(newTypeElement);
// don't modify return type for non-Java overriders (EJB)
if (method.getName().equals(changeInfo.getNewName())) {
final PsiTypeElement typeElement = method.getReturnTypeElement();
if (typeElement != null) {
typeElement.replace(factory.createTypeElement(returnType));
}
}
}
PsiParameterList list = method.getParameterList();
PsiParameter[] parameters = list.getParameters();
final JavaParameterInfo[] parameterInfos = changeInfo.getNewParameters();
final int delta =
baseMethod != null
? baseMethod.getParameterList().getParametersCount()
- method.getParameterList().getParametersCount()
: 0;
PsiParameter[] newParms = new PsiParameter[Math.max(parameterInfos.length - delta, 0)];
final String[] oldParameterNames = changeInfo.getOldParameterNames();
final String[] oldParameterTypes = changeInfo.getOldParameterTypes();
for (int i = 0; i < newParms.length; i++) {
JavaParameterInfo info = parameterInfos[i];
int index = info.getOldIndex();
if (index >= 0) {
PsiParameter parameter = parameters[index];
newParms[i] = parameter;
String oldName = oldParameterNames[index];
if (!oldName.equals(info.getName()) && oldName.equals(parameter.getName())) {
PsiIdentifier newIdentifier = factory.createIdentifier(info.getName());
parameter.getNameIdentifier().replace(newIdentifier);
}
String oldType = oldParameterTypes[index];
if (!oldType.equals(info.getTypeText())) {
parameter.normalizeDeclaration();
PsiType newType =
substitutor.substitute(
info.createType(changeInfo.getMethod().getParameterList(), method.getManager()));
parameter.getTypeElement().replace(factory.createTypeElement(newType));
}
} else {
newParms[i] = createNewParameter(changeInfo, info, substitutor);
}
}
resolveParameterVsFieldsConflicts(newParms, method, list, changeInfo.toRemoveParm());
fixJavadocsForChangedMethod(method, changeInfo, newParms.length);
if (changeInfo.isExceptionSetOrOrderChanged()) {
final PsiClassType[] newExceptions = getPrimaryChangedExceptionInfo(changeInfo);
fixPrimaryThrowsLists(method, newExceptions);
}
}
