SecurityRequestPostProcessors.java 文件源码

private UsernamePasswordAuthenticationToken authentication(ServletContext servletContext) {
    ApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
    UserDetailsService userDetailsService = userDetailsService(context);
    UserDetails userDetails = userDetailsService.loadUserByUsername(this.username);
    return new UsernamePasswordAuthenticationToken(
            userDetails, userDetails.getPassword(), userDetails.getAuthorities());
}