Validator in Bean

demetrio812 Jul 24, 2007 5:44 AM

Hi,
I'm using Seam 2.0 B1, I wrote a validator function in a seam managed bean (stateful), this is the code:

 public void validaEmailNewsletter(FacesContext context, UIComponent toValidate, Object value) {
 if (isEmailInserita((String)value)) { // se c'è già
 FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Attenzione: l'indirizzo email è già stato registrato", "Attenzione: l'indirizzo email è già stato registrato");
 throw new ValidatorException(message);
 }
 }

validation works good but the only problem is that the message is very verbose and not only with my personalized message and it's like it happens a EJBTransactionRolledbackException, it looks like:

/home.xhtml @96,280 validator="#{newsletterHelper.validaEmailNewsletter}": javax.ejb.EJBTransactionRolledbackException: Attenzione: l'indirizzo email è già stato registrato

What's the problem?

Thanks

Demetrio Filocamo

1. Re: Validator in Bean

valtoni Jul 26, 2007 10:56 AM (in response to demetrio812)

"demetrio812" wrote:
Hi,

 public void validaEmailNewsletter(FacesContext context, UIComponent toValidate, Object value) {
 if (isEmailInserita((String)value)) { // se c'è già
 FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Attenzione: l'indirizzo email è già stato registrato", "Attenzione: l'indirizzo email è già stato registrato");
 throw new ValidatorException(message);
 }
 }

Demetrio, don't use throws in methods exposed in Seam context session: jsf catch this exception and the enviroment will catch this, showing the page error wich you post here. You must throw exception like a "Blog Application", wich come with seam distribution; you must declare the Throwable class, like the example:

@ApplicationException(rollback=true)
@HttpError(errorCode=HttpServletResponse.SC_NOT_FOUND)
public class EntryNotFoundException extends Exception
{
 EntryNotFoundException(String id)
 {
 super("entry not found: " + id);
 }
}

and mark your method like

 public void validaEmailNewsletter(FacesContext context, UIComponent toValidate, Object value) throws EntryNotFoundException

And demark your right annotations to be rightly redirected. Ok?