private static void generateDelegate(JavaChangeInfo changeInfo)
throws IncorrectOperationException {
final PsiMethod delegate = (PsiMethod) changeInfo.getMethod().copy();
final PsiClass targetClass = changeInfo.getMethod().getContainingClass();
LOG.assertTrue(!targetClass.isInterface());
PsiElementFactory factory = JavaPsiFacade.getElementFactory(targetClass.getProject());
ChangeSignatureProcessor.makeEmptyBody(factory, delegate);
final PsiCallExpression callExpression =
ChangeSignatureProcessor.addDelegatingCallTemplate(delegate, changeInfo.getNewName());
addDelegateArguments(changeInfo, factory, callExpression);
targetClass.addBefore(delegate, changeInfo.getMethod());
}
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);
}
}
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);
}
}
private static void processMethodUsage(
PsiElement element,
JavaChangeInfo changeInfo,
boolean toChangeArguments,
boolean toCatchExceptions,
GrClosureSignatureUtil.ArgInfo<PsiElement>[] map,
PsiSubstitutor substitutor) {
if (map == null) return;
if (changeInfo.isNameChanged()) {
if (element instanceof GrReferenceElement) {
element = ((GrReferenceElement) element).handleElementRename(changeInfo.getNewName());
}
}
if (toChangeArguments) {
JavaParameterInfo[] parameters = changeInfo.getNewParameters();
GrArgumentList argumentList = PsiUtil.getArgumentsList(element);
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(element.getProject());
if (argumentList == null) {
if (element instanceof GrEnumConstant) {
argumentList = factory.createArgumentList();
argumentList = (GrArgumentList) element.add(argumentList);
} else {
return;
}
}
Set<PsiElement> argsToDelete = new HashSet<PsiElement>(map.length * 2);
for (GrClosureSignatureUtil.ArgInfo<PsiElement> argInfo : map) {
argsToDelete.addAll(argInfo.args);
}
for (JavaParameterInfo parameter : parameters) {
int index = parameter.getOldIndex();
if (index >= 0) {
argsToDelete.removeAll(map[index].args);
}
}
for (PsiElement arg : argsToDelete) {
arg.delete();
}
boolean skipOptionals = false;
PsiElement anchor = null; // PsiTreeUtil.getChildOfAnyType(argumentList, GrExpression.class,
// GrNamedArgument.class);
for (int i = 0; i < parameters.length; i++) {
JavaParameterInfo parameter = parameters[i];
int index = parameter.getOldIndex();
if (index >= 0) {
GrClosureSignatureUtil.ArgInfo<PsiElement> argInfo = map[index];
List<PsiElement> arguments = argInfo.args;
if (argInfo.isMultiArg) { // arguments for Map and varArg
if ((i != 0
|| !(!arguments.isEmpty()
&& arguments.iterator().next() instanceof GrNamedArgument))
&& (i != parameters.length - 1 || !parameter.isVarargType())) {
final PsiType type =
parameter.createType(
changeInfo.getMethod().getParameterList(), argumentList.getManager());
final GrExpression arg =
GroovyRefactoringUtil.generateArgFromMultiArg(
substitutor, arguments, type, element.getProject());
for (PsiElement argument : arguments) {
argument.delete();
}
anchor = argumentList.addAfter(arg, anchor);
JavaCodeStyleManager.getInstance(anchor.getProject()).shortenClassReferences(anchor);
}
} else { // arguments for simple parameters
if (arguments.size() == 1) { // arg exists
PsiElement arg = arguments.iterator().next();
if (i == parameters.length - 1 && parameter.isVarargType()) {
if (arg instanceof GrSafeCastExpression) {
PsiElement expr = ((GrSafeCastExpression) arg).getOperand();
if (expr instanceof GrListOrMap && !((GrListOrMap) expr).isMap()) {
final PsiElement copy = expr.copy();
PsiElement[] newVarargs = ((GrListOrMap) copy).getInitializers();
for (PsiElement vararg : newVarargs) {
anchor = argumentList.addAfter(vararg, anchor);
}
arg.delete();
continue;
}
}
}
PsiElement curArg = getNextOfType(argumentList, anchor, GrExpression.class);
if (curArg == arg) {
anchor = arg;
} else {
final PsiElement copy = arg.copy();
anchor = argumentList.addAfter(copy, anchor);
arg.delete();
}
} else { // arg is skipped. Parameter is optional
skipOptionals = true;
}
}
} else {
if (skipOptionals && isParameterOptional(parameter)) continue;
if (forceOptional(parameter)) {
skipOptionals = true;
continue;
}
try {
GrExpression value = createDefaultValue(factory, changeInfo, parameter, argumentList);
if (i > 0 && (value == null || anchor == null)) {
PsiElement comma =
Factory.createSingleLeafElement(
GroovyTokenTypes.mCOMMA,
",",
0,
1,
SharedImplUtil.findCharTableByTree(argumentList.getNode()),
argumentList.getManager())
.getPsi();
if (anchor == null) anchor = argumentList.getLeftParen();
anchor = argumentList.addAfter(comma, anchor);
}
if (value != null) {
anchor = argumentList.addAfter(value, anchor);
}
} catch (IncorrectOperationException e) {
LOG.error(e.getMessage());
}
}
}
GrCall call = GroovyRefactoringUtil.getCallExpressionByMethodReference(element);
if (argumentList.getText().trim().isEmpty()
&& (call == null || !PsiImplUtil.hasClosureArguments(call))) {
argumentList = argumentList.replaceWithArgumentList(factory.createArgumentList());
}
CodeStyleManager.getInstance(argumentList.getProject()).reformat(argumentList);
}
if (toCatchExceptions) {
final ThrownExceptionInfo[] exceptionInfos = changeInfo.getNewExceptions();
PsiClassType[] exceptions = getExceptions(exceptionInfos, element, element.getManager());
fixExceptions(element, exceptions);
}
}
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;
}