@Override
public Collection<Annotation> getAnnotation(Class<?> annotationClass) {
List<AnnotationInstance> instances =
backingRepository.getAnnotations(DotName.createSimple(annotationClass.getName()));
ArrayList<Annotation> annotations = new ArrayList<Annotation>(instances.size());
for (AnnotationInstance instance : instances) {
AnnotationTarget target = instance.target();
Annotation annotation = null;
if (target instanceof MethodInfo) {
MethodInfo m = (MethodInfo) target;
List<String> parameterTypes = new ArrayList<String>(m.args().length);
for (Type type : m.args()) {
parameterTypes.add(type.toString());
}
String declaringClass = m.declaringClass().name().toString();
annotation =
new AnnotationImpl(
declaringClass, cl, parameterTypes, m.name(), true, false, annotationClass);
}
if (target instanceof FieldInfo) {
FieldInfo f = (FieldInfo) target;
String declaringClass = f.declaringClass().name().toString();
annotation =
new AnnotationImpl(declaringClass, cl, null, f.name(), false, true, annotationClass);
}
if (target instanceof ClassInfo) {
ClassInfo c = (ClassInfo) target;
annotation =
new AnnotationImpl(c.name().toString(), cl, null, null, false, false, annotationClass);
}
if (annotation != null) {
annotations.add(annotation);
}
}
annotations.trimToSize();
if (annotations.size() == 0) {
return null;
} else {
return Collections.unmodifiableList(annotations);
}
}
private static Type getType(Class clazz) {
return Type.create(DotName.createSimple(clazz.getName()), getTypeKind(clazz));
}