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);
}
}
