JAX-RS REST support in controller

HelloController.java

@Named
@ApplicationScoped
@Path("hello")
public class HelloController {
    @Inject
    private Hello hello;

    @PersistenceContext
    private EntityManager em;

    @GET
    @Produces({APPLICATION_XML, APPLICATION_JSON})
    public List<Hello> helloSoFar() {
        CriteriaQuery<Hello> cq = this.em.getCriteriaBuilder().createQuery(Hello.class);
        cq.select(cq.from(Hello.class));
        return this.em.createQuery(cq).getResultList();
    }

    @POST
    @Consumes({APPLICATION_XML, APPLICATION_JSON})
    @Transactional
    public void storeName(Hello hello) {
        em.persist(hello);
    }
}