/**
* Finds an annotation in an Annotated, taking stereo types into account
*
* @param beanManager the current bean manager
* @param annotated the Annotated in which to search
* @param annotationType the type of the annotation to search for
* @return An Optional that contains an instance of annotation type for which was searched if the
* annotated contained this.
*/
public static <A extends Annotation> Optional<A> getAnnotation(
BeanManager beanManager, Annotated annotated, Class<A> annotationType) {
annotated.getAnnotation(annotationType);
if (annotated.getAnnotations().isEmpty()) {
return empty();
}
if (annotated.isAnnotationPresent(annotationType)) {
return Optional.of(annotated.getAnnotation(annotationType));
}
Queue<Annotation> annotations = new LinkedList<>(annotated.getAnnotations());
while (!annotations.isEmpty()) {
Annotation annotation = annotations.remove();
if (annotation.annotationType().equals(annotationType)) {
return Optional.of(annotationType.cast(annotation));
}
if (beanManager.isStereotype(annotation.annotationType())) {
annotations.addAll(beanManager.getStereotypeDefinition(annotation.annotationType()));
}
}
return empty();
}
private Annotation[] getQualifiers(Annotated annotated) {
ArrayList<Annotation> qualifierList = new ArrayList<Annotation>();
for (Annotation ann : annotated.getAnnotations()) {
if (ann.annotationType().isAnnotationPresent(Qualifier.class)) {
qualifierList.add(ann);
}
}
if (qualifierList.size() == 0) qualifierList.add(CurrentLiteral.CURRENT);
Annotation[] qualifiers = new Annotation[qualifierList.size()];
qualifierList.toArray(qualifiers);
return qualifiers;
}
<T> void saveRemoteInjectionPoints(
@Observes ProcessInjectionTarget<T> event, BeanManager beanManager) {
final InjectionTarget<T> injectionTarget = event.getInjectionTarget();
for (InjectionPoint injectionPoint : injectionTarget.getInjectionPoints()) {
final Annotated annotated = injectionPoint.getAnnotated();
final Type type = annotated.getBaseType();
final Class<?> rawType = Reflections.getRawType(annotated.getBaseType());
final Set<Annotation> qualifiers =
Reflections.getQualifiers(beanManager, annotated.getAnnotations());
if (rawType.equals(RemoteCache.class) && qualifiers.isEmpty()) {
qualifiers.add(new AnnotationLiteral<Default>() {});
addRemoteCacheInjectionPoint(type, qualifiers);
} else if (!annotated.isAnnotationPresent(Remote.class)
&& Reflections.getMetaAnnotation(annotated, Remote.class) != null
&& rawType.isAssignableFrom(RemoteCache.class)) {
addRemoteCacheInjectionPoint(type, qualifiers);
}
}
}
void createGenericBeans(@Observes AfterBeanDiscovery event, BeanManager beanManager) {
beanDiscoveryOver = true;
// For each generic configuration type, we iterate the generic configurations
for (Entry<GenericIdentifier, GenericConfigurationHolder> genericConfigurationEntry :
genericConfigurationPoints.entrySet()) {
Class<? extends Annotation> producerScope = Dependent.class;
for (Annotation annotation :
genericConfigurationEntry.getValue().getAnnotated().getAnnotations()) {
if (beanManager.isScope(annotation.annotationType())) {
producerScope = annotation.annotationType();
}
}
GenericConfigurationHolder genericConfigurationHolder = genericConfigurationEntry.getValue();
GenericIdentifier identifier = genericConfigurationEntry.getKey();
Class<? extends Annotation> genericConfigurationType = identifier.getAnnotationType();
if (!genericBeans.containsKey(genericConfigurationType)) {
throw new IllegalStateException(
"No generic bean definition exists for "
+ genericConfigurationType
+ ", but a generic producer does: "
+ genericConfigurationHolder.getAnnotated());
}
// Add a generic configuration bean for each generic configuration producer (allows us to
// inject the generic configuration annotation back into the generic bean)
event.addBean(createGenericConfigurationBean(beanManager, identifier));
// Register the GenericProduct bean
event.addBean(createGenericProductAnnotatedMemberBean(beanManager, identifier));
boolean alternative =
genericConfigurationHolder.getAnnotated().isAnnotationPresent(Alternative.class);
Class<?> javaClass = genericConfigurationHolder.getJavaClass();
if (genericBeanProducerMethods.containsKey(genericConfigurationType)) {
for (ProducerMethodHolder<?, ?> holder :
genericBeanProducerMethods.get(genericConfigurationType)) {
Class<? extends Annotation> scopeOverride = null;
if (holder.getProducerMethod().isAnnotationPresent(ApplyScope.class)) {
scopeOverride = producerScope;
}
event.addBean(
createGenericProducerMethod(
holder, identifier, beanManager, scopeOverride, alternative, javaClass));
}
}
if (genericBeanProducerFields.containsKey(genericConfigurationType)) {
for (FieldHolder<?, ?> holder : genericBeanProducerFields.get(genericConfigurationType)) {
Class<? extends Annotation> scopeOverride = null;
if (holder.getField().isAnnotationPresent(ApplyScope.class)) {
scopeOverride = producerScope;
}
event.addBean(
createGenericProducerField(
holder.getBean(),
identifier,
holder.getField(),
beanManager,
scopeOverride,
alternative,
javaClass));
}
}
if (genericBeanObserverMethods.containsKey(genericConfigurationType)) {
for (ObserverMethodHolder<?, ?> holder :
genericBeanObserverMethods.get(genericConfigurationType)) {
event.addObserverMethod(
createGenericObserverMethod(
holder.getObserverMethod(), identifier, holder.getMethod(), null, beanManager));
}
}
if (unwrapsMethods.containsKey(genericConfigurationType)) {
for (AnnotatedMethod<?> i : unwrapsMethods.get(genericConfigurationType)) {
Annotated annotated = genericConfigurationHolder.getAnnotated();
Set<Annotation> unwrapsQualifiers =
Beans.getQualifiers(beanManager, i.getAnnotations(), annotated.getAnnotations());
if (unwrapsQualifiers.isEmpty()) {
unwrapsQualifiers.add(DefaultLiteral.INSTANCE);
}
Set<Annotation> beanQualifiers =
Beans.getQualifiers(
beanManager, i.getDeclaringType().getAnnotations(), annotated.getAnnotations());
beanQualifiers.remove(AnyLiteral.INSTANCE);
if (beanQualifiers.isEmpty()) {
beanQualifiers.add(DefaultLiteral.INSTANCE);
}
beanQualifiers.remove(genericBeanQualifier);
event.addBean(new UnwrapsProducerBean(i, unwrapsQualifiers, beanQualifiers, beanManager));
}
}
// For each generic bean that uses this genericConfigurationType, register a generic bean for
// this generic configuration
for (BeanHolder<?> genericBeanHolder : genericBeans.get(genericConfigurationType)) {
// Register the generic bean, this is the underlying definition, with the synthetic
// qualifier
Class<? extends Annotation> scopeOverride = null;
if (genericBeanHolder.getType().isAnnotationPresent(ApplyScope.class)) {
scopeOverride = producerScope;
}
Bean<?> genericBean =
createGenericBean(
genericBeanHolder, identifier, beanManager, scopeOverride, alternative, javaClass);
event.addBean(genericBean);
}
}
}
/**
* compares two annotated elemetes to see if they have the same annotations
*
* @param a1
* @param a2
* @return
*/
private static boolean compareAnnotated(Annotated a1, Annotated a2) {
return a1.getAnnotations().equals(a2.getAnnotations());
}