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/**
 * Created with IntelliJ IDEA.
 *
 * @author: mystic
 * @date: 2017/10/19 8:54
 * @since: JDK1.8.0_144
 * @version: X
 * Description: 自定义身份认证验证组件
 */
@Component
class CustomAuthenticationProvider implements AuthenticationProvider {

    @Resource
    private UserService userService;

    private static CustomAuthenticationProvider provider;

    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    @PostConstruct
    public void init(){
        provider = this;
        // 初始化时,将已经静态化的userService实例化
        provider.userService = this.userService;
    }

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        // 获取认证的用户名 & 密码
        String name = authentication.getName();
        String password = authentication.getCredentials().toString();

        Map<String,Object> condition = new HashMap<>(16);
        condition.put("userName",name);
        condition.put("userPWD",password);

        System.out.println("userService = " + userService);
        System.out.println("provider.userService = " + provider.userService);
        // 调用看这里,看这里,一定要看这里喔!!!
        List<Map<String,Object>> userList = provider.userService.findUser(condition);
    }

}