//$Id: RegisterAction.java 5509 2007-06-25 16:19:40Z gavin $
package org.jboss.seam.example.jpa;
import static org.jboss.seam.ScopeType.EVENT;
import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.faces.FacesMessages;
@Scope(EVENT)
@Name("register")
public class RegisterAction
{
@In
private User user;
@In
private EntityManager em;
@In
private FacesMessages facesMessages;
private String verify;
private boolean registered;
public void register()
{
if ( user.getPassword().equals(verify) )
{
// this is JPA 2.0 usage of new method getSingleResult()
try
{
em.createQuery("select u.username from User u where u.username=#{user.username}").getSingleResult();
facesMessages.addToControl("username", "Username #{user.username} already exists");
}
catch (NoResultException e)
{
em.persist(user);
facesMessages.add("Successfully registered as #{user.username}");
registered = true;
}
}
else
{
facesMessages.add("verify", "Re-enter your password");
verify=null;
}
}
public void invalid()
{
facesMessages.add("Please try again");
}
public boolean isRegistered()
{
return registered;
}
public String getVerify()
{
return verify;
}
public void setVerify(String verify)
{
this.verify = verify;
}
}