@Override
public void visitAnonymousClass(@NotNull PsiAnonymousClass anonymousClass) {
if (anonymousClass instanceof PsiEnumConstantInitializer) {
return;
}
final PsiMember containingMember =
PsiTreeUtil.getParentOfType(anonymousClass, PsiMember.class);
if (containingMember == null || containingMember.hasModifierProperty(PsiModifier.STATIC)) {
return;
}
final PsiJavaCodeReferenceElement reference = anonymousClass.getBaseClassReference();
if (reference.resolve() == null) {
// don't warn on broken code
return;
}
final PsiClass containingClass = PsiTreeUtil.getParentOfType(anonymousClass, PsiClass.class);
if (containingClass == null) {
return;
}
if (containingClass.getContainingClass() != null
&& !containingClass.hasModifierProperty(PsiModifier.STATIC)) {
// strictly speaking can be named static inner class but not when part of the current
// containing class
return;
}
final InnerClassReferenceVisitor visitor = new InnerClassReferenceVisitor(anonymousClass);
anonymousClass.accept(visitor);
if (!visitor.canInnerClassBeStatic()) {
return;
}
if (hasReferenceToLocalClass(anonymousClass)) {
return;
}
registerClassError(anonymousClass);
}
@Override
public void visitNewExpression(PsiNewExpression expression) {
PsiAnonymousClass anonymousClass = expression.getAnonymousClass();
if (anonymousClass == null) {
return;
}
JavaElementArrangementEntry entry =
createNewEntry(
anonymousClass, anonymousClass.getTextRange(), CLASS, anonymousClass.getName(), false);
processEntry(entry, null, anonymousClass);
}
@NotNull
private static PsiClass[] getSupersInner(@NotNull PsiClass psiClass) {
PsiClassType[] extendsListTypes = psiClass.getExtendsListTypes();
PsiClassType[] implementsListTypes = psiClass.getImplementsListTypes();
if (psiClass.isInterface()) {
return resolveClassReferenceList(
extendsListTypes, psiClass.getManager(), psiClass.getResolveScope(), true);
}
if (psiClass instanceof PsiAnonymousClass) {
PsiAnonymousClass psiAnonymousClass = (PsiAnonymousClass) psiClass;
PsiClassType baseClassReference = psiAnonymousClass.getBaseClassType();
PsiClass baseClass = baseClassReference.resolve();
if (baseClass != null) {
if (baseClass.isInterface()) {
PsiClass objectClass =
JavaPsiFacade.getInstance(psiClass.getProject())
.findClass(CommonClassNames.JAVA_LANG_OBJECT, psiClass.getResolveScope());
return objectClass != null
? new PsiClass[] {objectClass, baseClass}
: new PsiClass[] {baseClass};
}
return new PsiClass[] {baseClass};
}
PsiClass objectClass =
JavaPsiFacade.getInstance(psiClass.getProject())
.findClass(CommonClassNames.JAVA_LANG_OBJECT, psiClass.getResolveScope());
return objectClass != null ? new PsiClass[] {objectClass} : PsiClass.EMPTY_ARRAY;
}
if (psiClass instanceof PsiTypeParameter) {
if (extendsListTypes.length == 0) {
final PsiClass objectClass =
JavaPsiFacade.getInstance(psiClass.getProject())
.findClass(CommonClassNames.JAVA_LANG_OBJECT, psiClass.getResolveScope());
return objectClass != null ? new PsiClass[] {objectClass} : PsiClass.EMPTY_ARRAY;
}
return resolveClassReferenceList(
extendsListTypes, psiClass.getManager(), psiClass.getResolveScope(), false);
}
PsiClass[] interfaces =
resolveClassReferenceList(
implementsListTypes, psiClass.getManager(), psiClass.getResolveScope(), false);
PsiClass superClass = getSuperClass(psiClass);
if (superClass == null) return interfaces;
PsiClass[] types = new PsiClass[interfaces.length + 1];
types[0] = superClass;
System.arraycopy(interfaces, 0, types, 1, interfaces.length);
return types;
}
@Nullable
private static PsiClass getContainingContextClass(PsiElement element) {
final PsiClass aClass = ClassUtils.getContainingClass(element);
if (aClass instanceof PsiAnonymousClass) {
final PsiAnonymousClass anonymousClass = (PsiAnonymousClass) aClass;
final PsiExpressionList args = anonymousClass.getArgumentList();
if (args != null && PsiTreeUtil.isAncestor(args, element, true)) {
return ClassUtils.getContainingClass(aClass);
}
}
return aClass;
}
protected final void registerClassError(@NotNull PsiClass aClass, Object... infos) {
final PsiElement nameIdentifier;
if (aClass instanceof PsiEnumConstantInitializer) {
final PsiEnumConstantInitializer enumConstantInitializer =
(PsiEnumConstantInitializer) aClass;
final PsiEnumConstant enumConstant = enumConstantInitializer.getEnumConstant();
nameIdentifier = enumConstant.getNameIdentifier();
} else if (aClass instanceof PsiAnonymousClass) {
final PsiAnonymousClass anonymousClass = (PsiAnonymousClass) aClass;
nameIdentifier = anonymousClass.getBaseClassReference();
} else {
nameIdentifier = aClass.getNameIdentifier();
}
if (nameIdentifier == null) {
registerError(aClass.getContainingFile(), infos);
} else {
registerError(nameIdentifier, infos);
}
}
@Override
public void visitAnonymousClass(PsiAnonymousClass aClass) {
JavaElementArrangementEntry entry =
createNewEntry(aClass, aClass.getTextRange(), ANONYMOUS_CLASS, aClass.getName(), false);
processEntry(entry, null, aClass);
}
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());
}
}
private static boolean hasReferenceToLocalClass(PsiAnonymousClass anonymousClass) {
final LocalClassReferenceVisitor visitor = new LocalClassReferenceVisitor();
anonymousClass.accept(visitor);
return visitor.hasReferenceToLocalClass();
}