SecurityService.java

/**
 * Copyright (C) 2011  JTalks.org Team
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.jtalks.poulpe.service.transactional;

import org.jtalks.common.model.dao.UserDao;
import org.jtalks.common.model.entity.User;
import org.springframework.dao.DataAccessException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

/**
 *
 * @author Oleg Kokarev
 */
public class SecurityService implements UserDetailsService {

    private final UserDao userDao;

    /**
     * Constructor creates an instance of service.
     *
     * @param userDao    {@link UserDao} to be injected
     */
    public SecurityService(UserDao userDao) {
        this.userDao = userDao;
    }

    /**
     * {@inheritDoc}
     * 
     */
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException, DataAccessException {
        User user = userDao.getByUsername(username);
        if (user == null) {
            throw new UsernameNotFoundException("User not found: " + username);
        }
        if (user.getRole() == null) {
            user.setRole("ROLE_USER");
        }
        return user;
    }
}