package com.haoyu.security;

import javax.annotation.Resource;

import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

import com.haoyu.system.dao.UserMapper;
import com.haoyu.system.domain.Authorities;

public class MyUserDetailsService implements UserDetailsService {

	@Resource
	private UserMapper userMapper;
	
	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

		//替换为数据库访问就可以了
//		User user = new User("tester", "1", AuthorityUtils.commaSeparatedStringToAuthorityList("ROLE_USER,ROLE_ADMIN"));
		
		com.haoyu.system.domain.User u = userMapper.findByUserName(username);
		
		Authorities authorities = userMapper.findAuthoritiesByUserName(username);
		
		User user = new User(username, u.getPassword(), AuthorityUtils.commaSeparatedStringToAuthorityList(authorities.getAuthority()));
		
		return user;
	}

}