package cn.edu.zust.gk.user.service.impl;

import org.springframework.dao.DataAccessException;
import org.springframework.security.context.SecurityContextHolder;
import org.springframework.security.userdetails.UserDetails;
import org.springframework.security.userdetails.UserDetailsService;
import org.springframework.security.userdetails.UsernameNotFoundException;

import cn.edu.zust.gk.user.dao.UserDao;
import cn.edu.zust.gk.user.entity.User;
import cn.edu.zust.gk.user.service.UserService;

public class UserServiceImpl implements UserDetailsService, UserService {
	private UserDao userDao;

	public User getCurrentUser() {
		return (User) SecurityContextHolder.getContext().getAuthentication()
				.getPrincipal();
	}

	public UserDetails loadUserByUsername(String username)
			throws UsernameNotFoundException, DataAccessException {
		return userDao.findUserByUsername(username);
	}

	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}
}