@NotNull
private static ParameterizedCachedValue<MembersMap, PsiClass> getValues(
@NotNull PsiClass aClass) {
ParameterizedCachedValue<MembersMap, PsiClass> value = aClass.getUserData(MAP_IN_CLASS_KEY);
if (value == null) {
value =
CachedValuesManager.getManager(aClass.getProject())
.createParameterizedCachedValue(ByNameCachedValueProvider.INSTANCE, false);
// Do not cache for nonphysical elements
if (aClass.isPhysical()) {
value = ((UserDataHolderEx) aClass).putUserDataIfAbsent(MAP_IN_CLASS_KEY, value);
}
}
return value;
}
private void invokeMoveToPackage() {
final MoveDestination destination = selectDestination();
if (destination == null) return;
saveRefactoringSettings();
for (final PsiElement element : myElementsToMove) {
String message = verifyDestinationForElement(element, destination);
if (message != null) {
String helpId = HelpID.getMoveHelpID(myElementsToMove[0]);
CommonRefactoringUtil.showErrorMessage(
RefactoringBundle.message("error.title"), message, helpId, getProject());
return;
}
}
try {
for (PsiElement element : myElementsToMove) {
if (element instanceof PsiClass) {
final PsiClass aClass = (PsiClass) element;
LOG.assertTrue(aClass.isPhysical(), aClass);
/*PsiElement toAdd;
if (aClass.getContainingFile() instanceof PsiJavaFile && ((PsiJavaFile)aClass.getContainingFile()).getClasses().length > 1) {
toAdd = aClass;
}
else {
toAdd = aClass.getContainingFile();
}*/
final PsiDirectory targetDirectory =
destination.getTargetIfExists(element.getContainingFile());
if (targetDirectory != null) {
MoveFilesOrDirectoriesUtil.checkMove(aClass, targetDirectory);
}
}
}
MoveClassesOrPackagesProcessor processor =
createMoveToPackageProcessor(destination, myElementsToMove, myMoveCallback);
if (processor.verifyValidPackageName()) {
processor.setOpenInEditor(isOpenInEditor());
invokeRefactoring(processor);
}
} catch (IncorrectOperationException e) {
String helpId = HelpID.getMoveHelpID(myElementsToMove[0]);
CommonRefactoringUtil.showErrorMessage(
RefactoringBundle.message("error.title"), e.getMessage(), helpId, getProject());
}
}
@Override
public void visitTypeCastExpression(@NotNull PsiTypeCastExpression expression) {
super.visitTypeCastExpression(expression);
final PsiExpression operand = expression.getOperand();
if (operand == null) {
return;
}
final PsiType operandType = operand.getType();
if (operandType == null) {
return;
}
final PsiType type = expression.getType();
if (type == null) {
return;
}
final PsiType expectedType = ExpectedTypeUtils.findExpectedType(expression, true);
if (expectedType == null) {
return;
}
if (expectedType.equals(type)) {
return;
}
final PsiClass resolved = PsiUtil.resolveClassInType(expectedType);
if (resolved != null && !resolved.isPhysical()) {
return;
}
if (expectedType.isAssignableFrom(operandType)) {
// then it's redundant, and caught by the built-in exception
return;
}
if (isTypeParameter(expectedType)) {
return;
}
if (expectedType instanceof PsiArrayType) {
final PsiArrayType arrayType = (PsiArrayType) expectedType;
final PsiType componentType = arrayType.getDeepComponentType();
if (isTypeParameter(componentType)) {
return;
}
}
if (type instanceof PsiPrimitiveType || expectedType instanceof PsiPrimitiveType) {
return;
}
if (PsiPrimitiveType.getUnboxedType(type) != null
|| PsiPrimitiveType.getUnboxedType(expectedType) != null) {
return;
}
if (expectedType instanceof PsiClassType) {
final PsiClassType expectedClassType = (PsiClassType) expectedType;
final PsiClassType expectedRawType = expectedClassType.rawType();
if (type.equals(expectedRawType)) {
return;
}
if (type instanceof PsiClassType) {
final PsiClassType classType = (PsiClassType) type;
final PsiClassType rawType = classType.rawType();
if (rawType.equals(expectedRawType)) {
return;
}
}
if (type instanceof PsiArrayType) {
return;
}
}
if (ignoreInMatchingInstanceof && InstanceOfUtils.hasAgreeingInstanceof(expression)) {
return;
}
final PsiTypeElement castTypeElement = expression.getCastType();
if (castTypeElement == null) {
return;
}
registerError(castTypeElement, expectedType);
}
public static String checkMethodReferenceContext(
PsiMethodReferenceExpression methodRef, PsiElement resolve, PsiType functionalInterfaceType) {
final PsiClass containingClass =
resolve instanceof PsiMethod
? ((PsiMethod) resolve).getContainingClass()
: (PsiClass) resolve;
final boolean isStaticSelector = isStaticallyReferenced(methodRef);
final PsiElement qualifier = methodRef.getQualifier();
boolean isMethodStatic = false;
boolean receiverReferenced = false;
boolean isConstructor = true;
if (resolve instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) resolve;
isMethodStatic = method.hasModifierProperty(PsiModifier.STATIC);
isConstructor = method.isConstructor();
receiverReferenced = hasReceiver(methodRef, method, functionalInterfaceType);
if (method.hasModifierProperty(PsiModifier.ABSTRACT)
&& qualifier instanceof PsiSuperExpression) {
return "Abstract method '" + method.getName() + "' cannot be accessed directly";
}
}
if (!receiverReferenced && isStaticSelector && !isMethodStatic && !isConstructor) {
return "Non-static method cannot be referenced from a static context";
}
if (!receiverReferenced && !isStaticSelector && isMethodStatic) {
return "Static method referenced through non-static qualifier";
}
if (receiverReferenced && isStaticSelector && isMethodStatic && !isConstructor) {
return "Static method referenced through receiver";
}
if (isMethodStatic && isStaticSelector && qualifier instanceof PsiTypeElement) {
final PsiJavaCodeReferenceElement referenceElement =
PsiTreeUtil.getChildOfType(qualifier, PsiJavaCodeReferenceElement.class);
if (referenceElement != null) {
final PsiReferenceParameterList parameterList = referenceElement.getParameterList();
if (parameterList != null && parameterList.getTypeArguments().length > 0) {
return "Parameterized qualifier on static method reference";
}
}
}
if (isConstructor) {
if (containingClass != null
&& PsiUtil.isInnerClass(containingClass)
&& containingClass.isPhysical()) {
PsiClass outerClass = containingClass.getContainingClass();
if (outerClass != null
&& !InheritanceUtil.hasEnclosingInstanceInScope(outerClass, methodRef, true, false)) {
return "An enclosing instance of type "
+ PsiFormatUtil.formatClass(outerClass, PsiFormatUtilBase.SHOW_NAME)
+ " is not in scope";
}
}
}
return null;
}
protected static boolean isSynthetic(PsiClass aClass) {
return aClass instanceof SyntheticElement || !aClass.isPhysical();
}