Please tell me, how can I get annotations for a generic type?
Example: I have public List<@NotNull GuestForm> guests and I want to get NotNull annotation.
public class BookingForm {
public List<@NotNull GuestForm> guests;
private List<String> amenities;
private String propertyType;
private Unrelated unrelated;
public BookingForm(List<GuestForm> guests, List<String> amenities, String propertyType, Unrelated unrelated) {
this.guests = guests;
this.amenities = amenities;
this.propertyType = propertyType;
this.unrelated = unrelated;
}
}
public class BookingForm {
public List<@NotNull GuestForm> guests;
private List<String> amenities;
private String propertyType;
private Unrelated unrelated;
public BookingForm(List<GuestForm> guests, List<String> amenities, String propertyType, Unrelated unrelated) {
this.guests = guests;
this.amenities = amenities;
this.propertyType = propertyType;
this.unrelated = unrelated;
}
}
Object objectClass = requireNonNull(bookingForm);
var fields = objectClass.getClass().getDeclaredFields(); // Object fields
var annotations = ((AnnotatedParameterizedType) fields [0].getAnnotatedType()).getAnnotatedActualTypeArguments()[0].getAnnotations(); // Annotations of Generic type in List
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