Module io.helidon.metadata.reflection

Package io.helidon.metadata.reflection

Class AnnotationFactory

java.lang.Object

io.helidon.metadata.reflection.AnnotationFactory

public final class AnnotationFactory
extends Object

Reflection based handler of Annotation and Annotation.

Method Summary

Modifier and Type	Method	Description
static Annotation	create(Annotation annotation)	Create a Helidon annotation from Java annotation instance.
static List<Annotation>	create(AnnotatedElement annotated)	Create Helidon annotations from Java annotated element (method, field, class).
static <T extends Annotation> Optional<T>	synthesize(Annotation annotation)	Creates an instance of the provided annotation using reflection (and proxying).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

create

public static List<Annotation> create(AnnotatedElement annotated)

Create Helidon annotations from Java annotated element (method, field, class).

Parameters:

annotated - annotated element to analyze

Returns:

list of annotation instances

create

public static Annotation create(Annotation annotation)

Create a Helidon annotation from Java annotation instance.

Parameters:

annotation - annotation to analyze

Returns:

annotation instance

synthesize

public static <T extends Annotation> Optional<T> synthesize(Annotation annotation)

Creates an instance of the provided annotation using reflection (and proxying). In case the annotation is not on the classpath, returns an empty optional.

Type Parameters:

T - type of the annotation

Parameters:

annotation - annotation to materialize

Returns:

annotation instance, or empty option in case the annotation type is not on classpath