/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.acme.ui;
import java.io.Serializable;
import java.util.List;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.inject.Produces;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import javax.inject.Named;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.jboss.logging.Logger;
@SessionScoped
@Named
public class Login implements Serializable {
private static final long serialVersionUID = 7965455427888195913L;
@Inject
private Logger logger;
@Inject
private Credentials credentials;
@PersistenceContext
private EntityManager userDatabase;
private User currentUser;
public void login() {
List<User> results = userDatabase
.createQuery("select u from User u where u.username = :username and u.password = :password", User.class)
.setParameter("username", credentials.getUsername()).setParameter("password", credentials.getPassword())
.getResultList();
if (!results.isEmpty()) {
currentUser = results.get(0);
logger.info(currentUser.getName() + " has successfully signed in.");
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Welcome, " + currentUser.getName()));
}
}
public void logout() {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Goodbye, " + currentUser.getName()));
currentUser = null;
}
public boolean isLoggedIn() {
return currentUser != null;
}
@Produces
@LoggedIn
public User getCurrentUser() {
return currentUser;
}
}