[jboss-user] [JBoss Seam] - why can't inject PresistenceContext into authenticator compo
Please comment on how to inject entityManager into Seam component action. And explain the
way to call em.createQuery to check the db.
thank in advance.
package com.nov.session;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Logger;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.log.Log;
import org.jboss.seam.security.Identity;
import org.jboss.seam.faces.FacesMessages;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.NoResultException;
import java.util.List;
import javax.ejb.Stateless;
import static org.jboss.seam.ScopeType.EVENT;
import com.nov.entity.Customers;
@Name("authenticator")
public class Authenticator {
@Logger
Log log;
@In FacesMessages facesMessages;
@In
Identity identity;
public boolean authenticate() {
return true;
}
/*
@PersistenceContext
private EntityManager em;
public boolean authenticate() {
log.info("authenticating #0...^^^^^^^^username........................",
identity.getUsername());
log.info("authenticating
#0...^^^^^^^^^password........................", identity.getPassword());
try {
Customers customers = (Customers)em.createQuery("select u from Customers
u where customers_email_address=:email_address and customers_password=:password")
.setParameter("email_address", identity.getUsername())
.setParameter("password", identity.getPassword())
.getSingleResult();
if (customers == null) {
return false;
}
identity.addRole("customers");
return true;
} catch (NoResultException ex){
log.info("authenticating
#0...^^^^^^^^NORESULTEXCEPTION........................", ex.toString());
facesMessages.add("Invaild username and password. Username is your
registered email address"); return false;
}
}
*/
}
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