AbstractVaadinSecurityConfiguration.java 文件源码

@Bean(name = CURRENT_USER_BEAN)
Authentication currentUser() {

    return ProxyFactory.getProxy(Authentication.class, new MethodInterceptor() {

        @Override
        public Object invoke(MethodInvocation invocation) throws Throwable {
            SecurityContext securityContext = SecurityContextHolder.getContext();
            Authentication authentication = securityContext.getAuthentication();
            if (authentication == null) {
                throw new AuthenticationCredentialsNotFoundException("No authentication found in current security context");
            }
            return invocation.getMethod().invoke(authentication, invocation.getArguments());
        }

    });

}