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/*
* $RCSFile$
*
* Created on 06.12.2006
* for Project:
* by steins
*
* (C) 2005-2006 by
*/
package beans;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import javax.persistence.Query;
import jpa.User;
import static util.DigestUtils.md5;
public class UserManager {
private User current;
private boolean loggedIn;
public UserManager() {
current = new User();
}
public String login() {
String outcome = "failure";
if (current.getUsername() != null && current.getUsername().length() > 0
&& current.getPassword() != null
&& current.getPassword().length() > 0) {
EntityManagerFactory factory = Persistence
.createEntityManagerFactory("catalog");
EntityManager manager = factory.createEntityManager();
Query query = manager
.createQuery("SELECT u FROM User u where u.username = :username and u.password = :password");
query.setParameter("username", current.getUsername());
query.setParameter("password", md5(current.getPassword()));
List results = query.getResultList();
if (!results.isEmpty()) {
loggedIn = true;
current = (User) results.get(0);
outcome = "success";
}
}
// System.out.println(outcome);
return outcome;
}
public String logout() {
loggedIn = false;
current = new User();
return "home";
}
public void setUsername(String username) {
current.setUsername(username);
}
public String getUsername() {
return current.getUsername();
}
public void setPassword(String password) {
current.setPassword(password);
}
public String getPassword() {
return current.getPassword();
}
public boolean isLoggedIn() {
return loggedIn;
}
public User getCurrent() {
EntityManagerFactory factory = Persistence
.createEntityManagerFactory("catalog");
EntityManager manager = factory.createEntityManager();
EntityTransaction tx = manager.getTransaction();
tx.begin();
try {
current = manager.find(User.class, getUsername());
tx.commit();
} catch (Exception ex) {
ex.printStackTrace(System.err);
tx.rollback();
}
return current;
}
}
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