/**
  * Create hello.
  *
  * @return
  */
 public String createHello() {
   if (newHello.getEmail() != null && newHello.getEmail().isEmpty()) {
     newHello.setEmail(null);
   }
   helloWorldService.create(newHello);
   return "welcome?faces-redirect=true";
 }
 /** Init method. */
 @PostConstruct
 public void init() {
   newHello = new HelloWorld();
   ajaxHello = new HelloWorld();
   logger.info("Initialize hello world list for display");
   hellos = helloWorldService.retrieveAll();
 }