private static void changeNewOperatorType(
PsiNewExpression originalExpression, PsiType toType, final Editor editor)
throws IncorrectOperationException {
PsiNewExpression newExpression;
PsiElementFactory factory =
JavaPsiFacade.getInstance(originalExpression.getProject()).getElementFactory();
int caretOffset;
TextRange selection;
if (toType instanceof PsiArrayType) {
final PsiExpression[] originalExpressionArrayDimensions =
originalExpression.getArrayDimensions();
caretOffset = 0;
@NonNls String text = "new " + toType.getDeepComponentType().getCanonicalText() + "[";
if (originalExpressionArrayDimensions.length > 0) {
text += originalExpressionArrayDimensions[0].getText();
} else {
text += "0";
caretOffset = -2;
}
text += "]";
for (int i = 1; i < toType.getArrayDimensions(); i++) {
text += "[";
String arrayDimension = "";
if (originalExpressionArrayDimensions.length > i) {
arrayDimension = originalExpressionArrayDimensions[i].getText();
text += arrayDimension;
}
text += "]";
if (caretOffset < 0) {
caretOffset -= arrayDimension.length() + 2;
}
}
newExpression = (PsiNewExpression) factory.createExpressionFromText(text, originalExpression);
if (caretOffset < 0) {
selection = new TextRange(caretOffset, caretOffset + 1);
} else {
selection = null;
}
} else {
final PsiAnonymousClass anonymousClass = originalExpression.getAnonymousClass();
newExpression =
(PsiNewExpression)
factory.createExpressionFromText(
"new " + toType.getCanonicalText() + "()" + (anonymousClass != null ? "{}" : ""),
originalExpression);
PsiExpressionList argumentList = originalExpression.getArgumentList();
if (argumentList == null) return;
newExpression.getArgumentList().replace(argumentList);
if (anonymousClass == null) { // just to prevent useless inference
if (PsiDiamondTypeUtil.canCollapseToDiamond(newExpression, originalExpression, toType)) {
final PsiElement paramList =
PsiDiamondTypeUtil.replaceExplicitWithDiamond(
newExpression.getClassOrAnonymousClassReference().getParameterList());
newExpression = PsiTreeUtil.getParentOfType(paramList, PsiNewExpression.class);
}
}
if (anonymousClass != null) {
final PsiAnonymousClass newAnonymousClass =
(PsiAnonymousClass) newExpression.getAnonymousClass().replace(anonymousClass);
final PsiClass aClass = PsiUtil.resolveClassInType(toType);
assert aClass != null;
newAnonymousClass
.getBaseClassReference()
.replace(factory.createClassReferenceElement(aClass));
}
selection = null;
caretOffset = -1;
}
PsiElement element = originalExpression.replace(newExpression);
editor.getCaretModel().moveToOffset(element.getTextRange().getEndOffset() + caretOffset);
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
if (selection != null) {
selection = selection.shiftRight(element.getTextRange().getEndOffset());
editor.getSelectionModel().setSelection(selection.getStartOffset(), selection.getEndOffset());
}
}
@Override
protected void doFix(Project project, ProblemDescriptor descriptor) {
PsiDiamondTypeUtil.replaceDiamondWithExplicitTypes(descriptor.getPsiElement());
}