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Fabrice Tiercelin 1c9de6b4cf [java-inspections] IDEA-299573 Handle Optional.isEmpty() in "Non functional style Optional.isPresent() usage" inspection
PR#2100

Co-authored-by: Tagir Valeev <tagir.valeev@jetbrains.com>

GitOrigin-RevId: c0b8495f26bccf51c593deb6be927eb01c37d379
2022-08-10 18:04:05 +00:00

15 lines
661 B
Java

// "Replace Optional presence condition with functional style expression" "true-preview"
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.Optional;
public class Main<T> {
public static <A extends Annotation> Optional<A> findAnnotation(Optional<? extends AnnotatedElement> element) {
return element.<Optional<A>>map(annotatedElement -> annotatedElement.getAnnotations().length == 0 ? Optional.empty() : null).orElseGet(() -> findAnnotation((AnnotatedElement) null));
}
private static <A extends Annotation> Optional<A> findAnnotation(AnnotatedElement element) {
return Optional.empty();
}
}