InnerBuilderDefinition() {
@Nullable TypeElement builderElement = findBuilderElement();
// The following series of checks designed
// to not validate inner builder if it's disabled,
// but at the same time we need such validation
// if we are using "extending" builder which is still allowed
// on demand even if builder feature is disabled
boolean extending = false;
if (builderElement != null) {
extending = isExtending(builderElement);
}
if (builderElement != null && !protoclass().features().builder() && !extending) {
builderElement = null;
}
if (builderElement != null && !isValidInnerBuilder(builderElement)) {
builderElement = null;
}
if (builderElement != null) {
this.isPresent = true;
this.isInterface = builderElement.getKind() == ElementKind.INTERFACE;
this.isExtending = extending;
this.isSuper = !extending;
this.simpleName = builderElement.getSimpleName().toString();
this.visibility = Visibility.of(builderElement);
this.generics = new Generics(protoclass(), builderElement);
if (isExtending) {
lateValidateExtending(builderElement);
}
if (isSuper) {
lateValidateSuper(builderElement);
}
} else {
this.isPresent = false;
this.isInterface = false;
this.isExtending = false;
this.isSuper = false;
this.visibility = Visibility.PRIVATE;
this.simpleName = null;
this.generics = Generics.empty();
}
}
private boolean hasAccessibleConstructor(Element type) {
List<ExecutableElement> constructors =
ElementFilter.constructorsIn(type.getEnclosedElements());
if (constructors.isEmpty()) {
// It is unclear (not checked) if we will have syntethic no-arg constructor
// included, so we will assume no constructor to equate having a single constructors.
return true;
}
for (ExecutableElement c : constructors) {
if (c.getParameters().isEmpty()) {
return !Visibility.of(c).isPrivate();
}
}
return false;
}
public Visibility declaringVisibility() {
if (declaringType().isPresent()) {
return Visibility.of(declaringType().get().element());
}
return Visibility.PUBLIC;
}
@Value.Derived
public Visibility visibility() {
return Visibility.of(sourceElement());
}