Configuring the persistent-based remember-me feature

Finally, we'll need to make some brief configuration changes to the rememberMe declaration to point it to the data source we're using, as shown in the following code snippet:

   //src/main/java/com/packtpub/springsecurity/configuration/SecurityConfig.java

   @Autowired
   @SuppressWarnings("SpringJavaAutowiringInspection")
        private DataSource dataSource;
    @Autowired
    private PersistentTokenRepository persistentTokenRepository;
    @Override
    protected void configure(HttpSecurity http) throws Exception {
       ...
       http.rememberMe()
           .key("jbcpCalendar")
           .tokenRepository(persistentTokenRepository)
       ...
    }
    @Bean
    public PersistentTokenRepository persistentTokenRepository() {
       JdbcTokenRepositoryImpl db = new JdbcTokenRepositoryImpl();
       db.setDataSource...