private static boolean generateDelegate(GrChangeInfoImpl grInfo) {
final GrMethod method = grInfo.getMethod();
final PsiClass psiClass = method.getContainingClass();
GrMethod newMethod = (GrMethod) method.copy();
newMethod = (GrMethod) psiClass.addAfter(newMethod, method);
StringBuilder buffer = new StringBuilder();
buffer.append("\n");
if (method.isConstructor()) {
buffer.append("this");
} else {
if (!PsiType.VOID.equals(method.getReturnType())) {
buffer.append("return ");
}
buffer.append(
GrChangeSignatureUtil.getNameWithQuotesIfNeeded(
grInfo.getNewName(), method.getProject()));
}
generateParametersForDelegateCall(grInfo, method, buffer);
final GrCodeBlock codeBlock =
GroovyPsiElementFactory.getInstance(method.getProject())
.createMethodBodyFromText(buffer.toString());
newMethod.setBlock(codeBlock);
newMethod.getModifierList().setModifierProperty(PsiModifier.ABSTRACT, false);
CodeStyleManager.getInstance(method.getProject()).reformat(newMethod);
return processPrimaryMethodInner(grInfo, method, null);
}
private static void processConstructor(GrMethod constructor, JavaChangeInfo changeInfo) {
final PsiClass containingClass = constructor.getContainingClass();
final PsiClass baseClass = changeInfo.getMethod().getContainingClass();
final PsiSubstitutor substitutor =
TypeConversionUtil.getSuperClassSubstitutor(
baseClass, containingClass, PsiSubstitutor.EMPTY);
GrOpenBlock block = constructor.getBlock();
GrConstructorInvocation invocation =
GroovyPsiElementFactory.getInstance(constructor.getProject())
.createConstructorInvocation("super()");
invocation =
(GrConstructorInvocation) block.addStatementBefore(invocation, getFirstStatement(block));
processMethodUsage(
invocation.getInvokedExpression(),
changeInfo,
changeInfo.isParameterSetOrOrderChanged() || changeInfo.isParameterNamesChanged(),
changeInfo.isExceptionSetChanged(),
GrClosureSignatureUtil.ArgInfo.<PsiElement>empty_array(),
substitutor);
}
private boolean validateInputData() {
if (!isGroovyMethodName(getNewName())) {
showErrorHint(message("name.is.wrong", getNewName()));
return false;
}
if (!checkType(myReturnTypeCodeFragment, true)) {
showErrorHint(message("return.type.is.wrong"));
return false;
}
List<GrTableParameterInfo> parameterInfos = myParameterModel.getParameterInfos();
for (int i = 0; i < parameterInfos.size(); i++) {
GrTableParameterInfo info = parameterInfos.get(i);
if (!StringUtil.isJavaIdentifier(info.getName())) {
showErrorHint(message("name.is.wrong", info.getName()));
return false;
}
if (!checkType(info.getTypeFragment(), i == parameterInfos.size() - 1)) {
showErrorHint(message("type.for.parameter.is.incorrect", info.getName()));
return false;
}
String defaultValue = info.getDefaultValue();
final String initializer = info.getDefaultInitializerFragment().getText();
if (info.getOldIndex() < 0
&& defaultValue.trim().length() == 0
&& initializer.trim().length() == 0) {
showErrorHint(message("specify.default.value", info.getName()));
return false;
}
}
ThrownExceptionInfo[] exceptionInfos = myExceptionTableModel.getThrownExceptions();
PsiTypeCodeFragment[] typeCodeFragments = myExceptionTableModel.getTypeCodeFragments();
for (int i = 0; i < exceptionInfos.length; i++) {
ThrownExceptionInfo exceptionInfo = exceptionInfos[i];
PsiTypeCodeFragment typeCodeFragment = typeCodeFragments[i];
try {
PsiType type = typeCodeFragment.getType();
if (!(type instanceof PsiClassType)) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
return false;
}
PsiClassType throwable =
JavaPsiFacade.getInstance(myMethod.getProject())
.getElementFactory()
.createTypeByFQClassName("java.lang.Throwable", myMethod.getResolveScope());
if (!throwable.isAssignableFrom(type)) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.not.throwable.type", typeCodeFragment.getText()));
return false;
}
exceptionInfo.setType((PsiClassType) type);
} catch (PsiTypeCodeFragment.TypeSyntaxException e) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
return false;
} catch (PsiTypeCodeFragment.NoTypeException e) {
showErrorHint(GroovyRefactoringBundle.message("changeSignature.no.type.for.exception"));
return false;
}
}
return true;
}
private void doMoveMethod(PsiSubstitutor substitutor, GrMemberInfo info) {
GroovyPsiElementFactory elementFactory = GroovyPsiElementFactory.getInstance(myProject);
GrMethod method = (GrMethod) info.getMember();
PsiMethod sibling = method;
PsiMethod anchor = null;
while (sibling != null) {
sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
if (sibling != null) {
anchor =
MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
method.getContainingClass(),
myTargetSuperClass,
sibling.getSignature(PsiSubstitutor.EMPTY),
false);
if (anchor != null) {
break;
}
}
}
GrMethod methodCopy = (GrMethod) method.copy();
if (method.findSuperMethods(myTargetSuperClass).length == 0) {
deleteOverrideAnnotationIfFound(methodCopy);
}
final boolean isOriginalMethodAbstract =
method.hasModifierProperty(PsiModifier.ABSTRACT)
|| method.hasModifierProperty(PsiModifier.DEFAULT);
if (myTargetSuperClass.isInterface() || info.isToAbstract()) {
GroovyChangeContextUtil.clearContextInfo(method);
RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
if (myTargetSuperClass.isInterface()) {
PsiUtil.setModifierProperty(methodCopy, PsiModifier.ABSTRACT, false);
}
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final GrMethod movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myTargetSuperClass.isInterface()
|| PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
new AddAnnotationFix(CommonClassNames.JAVA_LANG_OVERRIDE, method)
.invoke(method.getProject(), null, mySourceClass.getContainingFile());
}
}
GrDocComment oldDoc = method.getDocComment();
if (oldDoc != null) {
GrDocCommentUtil.setDocComment(movedElement, oldDoc);
}
myDocCommentPolicy.processCopiedJavaDoc(
methodCopy.getDocComment(), oldDoc, isOriginalMethodAbstract);
myMembersAfterMove.add(movedElement);
if (isOriginalMethodAbstract) {
deleteMemberWithDocComment(method);
}
} else {
if (isOriginalMethodAbstract) {
PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
}
// fixReferencesToStatic(methodCopy, movedMembers);
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final PsiMethod superClassMethod =
myTargetSuperClass.findMethodBySignature(methodCopy, false);
final GrMethod movedElement;
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
movedElement = (GrMethod) superClassMethod.replace(methodCopy);
} else {
movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
myMembersAfterMove.add(movedElement);
}
GrDocCommentUtil.setDocComment(movedElement, method.getDocComment());
deleteMemberWithDocComment(method);
}
}
private static boolean processPrimaryMethodInner(
JavaChangeInfo changeInfo, GrMethod method, @Nullable PsiMethod baseMethod) {
if (changeInfo.isNameChanged()) {
String newName =
baseMethod == null
? changeInfo.getNewName()
: RefactoringUtil.suggestNewOverriderName(
method.getName(), baseMethod.getName(), changeInfo.getNewName());
if (newName != null && !newName.equals(method.getName())) {
method.setName(changeInfo.getNewName());
}
}
final GrModifierList modifierList = method.getModifierList();
if (changeInfo.isVisibilityChanged()) {
modifierList.setModifierProperty(changeInfo.getNewVisibility(), true);
}
PsiSubstitutor substitutor =
baseMethod != null ? calculateSubstitutor(method, baseMethod) : PsiSubstitutor.EMPTY;
final PsiMethod context = changeInfo.getMethod();
GrTypeElement oldReturnTypeElement = method.getReturnTypeElementGroovy();
if (changeInfo.isReturnTypeChanged()) {
CanonicalTypes.Type newReturnType = changeInfo.getNewReturnType();
if (newReturnType == null) {
if (oldReturnTypeElement != null) {
oldReturnTypeElement.delete();
if (modifierList.getModifiers().length == 0) {
modifierList.setModifierProperty(GrModifier.DEF, true);
}
}
} else {
PsiType type = newReturnType.getType(context, method.getManager());
GrReferenceAdjuster.shortenAllReferencesIn(
method.setReturnType(substitutor.substitute(type)));
if (oldReturnTypeElement == null) {
modifierList.setModifierProperty(GrModifier.DEF, false);
}
}
}
JavaParameterInfo[] newParameters = changeInfo.getNewParameters();
final GrParameterList parameterList = method.getParameterList();
GrParameter[] oldParameters = parameterList.getParameters();
final PsiParameter[] oldBaseParams =
baseMethod != null ? baseMethod.getParameterList().getParameters() : null;
Set<GrParameter> toRemove = new HashSet<GrParameter>(oldParameters.length);
ContainerUtil.addAll(toRemove, oldParameters);
GrParameter anchor = null;
final GrDocComment docComment = method.getDocComment();
final GrDocTag[] tags = docComment == null ? null : docComment.getTags();
for (JavaParameterInfo newParameter : newParameters) {
// if old parameter name differs from base method parameter name we don't change it
final String newName;
final int oldIndex = newParameter.getOldIndex();
if (oldIndex >= 0 && oldBaseParams != null) {
final String oldName = oldParameters[oldIndex].getName();
if (oldName.equals(oldBaseParams[oldIndex].getName())) {
newName = newParameter.getName();
} else {
newName = oldName;
}
} else {
newName = newParameter.getName();
}
final GrParameter oldParameter = oldIndex >= 0 ? oldParameters[oldIndex] : null;
if (docComment != null && oldParameter != null) {
final String oldName = oldParameter.getName();
for (GrDocTag tag : tags) {
if ("@param".equals(tag.getName())) {
final GrDocParameterReference parameterReference = tag.getDocParameterReference();
if (parameterReference != null && oldName.equals(parameterReference.getText())) {
parameterReference.handleElementRename(newName);
}
}
}
}
GrParameter grParameter =
createNewParameter(substitutor, context, parameterList, newParameter, newName);
if (oldParameter != null) {
grParameter.getModifierList().replace(oldParameter.getModifierList());
}
if ("def".equals(newParameter.getTypeText())) {
grParameter.getModifierList().setModifierProperty(GrModifier.DEF, true);
} else if (StringUtil.isEmpty(newParameter.getTypeText())) {
grParameter.getModifierList().setModifierProperty(GrModifier.DEF, false);
}
anchor = (GrParameter) parameterList.addAfter(grParameter, anchor);
}
for (GrParameter oldParameter : toRemove) {
oldParameter.delete();
}
JavaCodeStyleManager.getInstance(parameterList.getProject())
.shortenClassReferences(parameterList);
CodeStyleManager.getInstance(parameterList.getProject()).reformat(parameterList);
if (changeInfo.isExceptionSetOrOrderChanged()) {
final ThrownExceptionInfo[] infos = changeInfo.getNewExceptions();
PsiClassType[] exceptionTypes = new PsiClassType[infos.length];
for (int i = 0; i < infos.length; i++) {
ThrownExceptionInfo info = infos[i];
exceptionTypes[i] = (PsiClassType) info.createType(method, method.getManager());
}
PsiReferenceList thrownList =
GroovyPsiElementFactory.getInstance(method.getProject()).createThrownList(exceptionTypes);
thrownList = (PsiReferenceList) method.getThrowsList().replace(thrownList);
JavaCodeStyleManager.getInstance(thrownList.getProject()).shortenClassReferences(thrownList);
CodeStyleManager.getInstance(method.getProject()).reformat(method.getThrowsList());
}
return true;
}