environment
jboss 4.2
seam 1.2.1
i have seam component
package iu.ce.ejb.service;
| import javax.ejb.Local;
| import iu.ce.entity.User;
| @Local
| public interface UserService {
| public User getUser(String username, String password);
| }
| import iu.ce.service.UserService;
|
| import javax.ejb.Stateless;
| import javax.persistence.EntityManager;
| import javax.persistence.NoResultException;
| import javax.persistence.PersistenceContext;
| import javax.persistence.Query;
|
| import org.jboss.seam.annotations.In;
| import org.jboss.seam.annotations.Logger;
| import org.jboss.seam.annotations.Name;
| import org.jboss.seam.annotations.Out;
| import org.jboss.seam.log.Log;
| import org.jboss.seam.security.Identity;
|
| @Stateless
| @Name("userServiceBean")
| public class UserServiceBean implements UserService {
| @In
| Identity identity;
| @Logger
| Log log;
| @PersistenceContext(unitName = "iuce")
| private EntityManager entityManager;
|
|
| public User getUser(String username, String password) {
| try {
| Query q = entityManager.createQuery("from User u where"
| + " username=:username and
password=:password");
| q.setParameter("username", username);
| q.setParameter("password", password);
| return (User) q.getSingleResult();
| } catch (NoResultException e) {
| return null;
| }
| }
| public void authenticate() {
| log.info("authenticating #0", identity.getUsername());
| getUser("", "");
| //getUser("h","h");
| //userServiceBean.getUser("h", "h");
| // write your authentication logic here,
| // return true if the authentication was
| // successful, false otherwise
| identity.addRole("admin");
| //return true;
| }
| }
authentication works fine
in application server log
00:47:29,153 INFO [Component] Component: userServiceBean, scope: STATELESS,
type: STATELESS_SESSION_BEAN, class: iu.ce.bean.UserServiceBean, JNDI:
iuce-ear/UserServiceBean/local
component seems installed
i have another component standart Authentication component which wizards
creates.
when i tried to insert this
@In(create=true)
| UserBeanService userBeanService
|
or
@In
| UserBeanService userBeanService
|
it gives following error
| In attribute requires non-null value ...
|
UserServiceBean returns null.
i want to learn how can i inject seam component to another component.
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