@Before
 public void setUp() throws Exception {
   authenticationEntryPoint = new BasicAuthenticationEntryPoint();
   authenticationEntryPoint.setRealmName("FOO_REALM");
   mockAuthenticationManager = mock(AuthenticationManager.class);
 }
 private AuthenticationEntryPoint entryPoint() {
   BasicAuthenticationEntryPoint entryPoint = new BasicAuthenticationEntryPoint();
   entryPoint.setRealmName(this.security.getBasic().getRealm());
   return entryPoint;
 }
    @Bean
    public FilterChainProxy springSecurityFilterChain() throws Exception {
      // AuthenticationEntryPoint
      BasicAuthenticationEntryPoint entryPoint = new BasicAuthenticationEntryPoint();
      entryPoint.setRealmName("AppName Realm");
      // accessDecisionManager
      List<AccessDecisionVoter> voters =
          Arrays.<AccessDecisionVoter>asList(new RoleVoter(), new WebExpressionVoter());
      AccessDecisionManager accessDecisionManager = new AffirmativeBased(voters);
      // SecurityExpressionHandler
      SecurityExpressionHandler<FilterInvocation> securityExpressionHandler =
          new DefaultWebSecurityExpressionHandler();
      // AuthenticationUserDetailsService
      UserDetailsByNameServiceWrapper<PreAuthenticatedAuthenticationToken>
          authenticationUserDetailsService =
              new UserDetailsByNameServiceWrapper<PreAuthenticatedAuthenticationToken>(
                  authUserDetailService);
      authenticationUserDetailsService.afterPropertiesSet();
      // PreAuthenticatedAuthenticationProvider
      PreAuthenticatedAuthenticationProvider preAuthenticatedAuthenticationProvider =
          new PreAuthenticatedAuthenticationProvider();
      preAuthenticatedAuthenticationProvider.setPreAuthenticatedUserDetailsService(
          authenticationUserDetailsService);
      preAuthenticatedAuthenticationProvider.afterPropertiesSet();
      // AuthenticationManager
      List<AuthenticationProvider> providers =
          Arrays.<AuthenticationProvider>asList(preAuthenticatedAuthenticationProvider);
      AuthenticationManager authenticationManager = new ProviderManager(providers);
      // HttpSessionSecurityContextRepository
      HttpSessionSecurityContextRepository httpSessionSecurityContextRepository =
          new HttpSessionSecurityContextRepository();
      // SessionRegistry
      SessionRegistry sessionRegistry = new SessionRegistryImpl();
      // ConcurrentSessionControlStrategy
      ConcurrentSessionControlStrategy concurrentSessionControlStrategy =
          new ConcurrentSessionControlStrategy(sessionRegistry);

      // ConcurrentSessionFilter
      ConcurrentSessionFilter concurrentSessionFilter =
          new ConcurrentSessionFilter(sessionRegistry);
      concurrentSessionFilter.afterPropertiesSet();
      // SecurityContextPersistenceFilter
      SecurityContextPersistenceFilter securityContextPersistenceFilter =
          new SecurityContextPersistenceFilter(httpSessionSecurityContextRepository);
      // X509AuthenticationFilter
      X509AuthenticationFilter x509AuthenticationFilter = new X509AuthenticationFilter();
      x509AuthenticationFilter.setAuthenticationManager(authenticationManager);
      x509AuthenticationFilter.afterPropertiesSet();
      // RequestCacheAwareFilter
      RequestCacheAwareFilter requestCacheAwareFilter = new RequestCacheAwareFilter();
      // SecurityContextHolderAwareRequestFilter
      SecurityContextHolderAwareRequestFilter securityContextHolderAwareRequestFilter =
          new SecurityContextHolderAwareRequestFilter();
      // SessionManagementFilter
      SessionManagementFilter sessionManagementFilter =
          new SessionManagementFilter(
              httpSessionSecurityContextRepository, concurrentSessionControlStrategy);
      // ExceptionTranslationFilter
      ExceptionTranslationFilter exceptionTranslationFilter =
          new ExceptionTranslationFilter(entryPoint);
      exceptionTranslationFilter.setAccessDeniedHandler(new AccessDeniedHandlerImpl());
      exceptionTranslationFilter.afterPropertiesSet();
      // FilterSecurityInterceptor
      FilterSecurityInterceptor filterSecurityInterceptor = new FilterSecurityInterceptor();
      filterSecurityInterceptor.setAuthenticationManager(authenticationManager);
      filterSecurityInterceptor.setAccessDecisionManager(accessDecisionManager);
      LinkedHashMap<RequestMatcher, Collection<ConfigAttribute>> map =
          new LinkedHashMap<RequestMatcher, Collection<ConfigAttribute>>();
      map.put(
          new AntPathRequestMatcher("/**"),
          Arrays.<ConfigAttribute>asList(new SecurityConfig("isAuthenticated()")));
      ExpressionBasedFilterInvocationSecurityMetadataSource ms =
          new ExpressionBasedFilterInvocationSecurityMetadataSource(map, securityExpressionHandler);
      filterSecurityInterceptor.setSecurityMetadataSource(ms);
      filterSecurityInterceptor.afterPropertiesSet();
      // SecurityFilterChain
      SecurityFilterChain chain =
          new DefaultSecurityFilterChain(
              new AntPathRequestMatcher("/**"),
              concurrentSessionFilter,
              securityContextPersistenceFilter,
              x509AuthenticationFilter,
              requestCacheAwareFilter,
              securityContextHolderAwareRequestFilter,
              sessionManagementFilter,
              exceptionTranslationFilter,
              filterSecurityInterceptor);
      return new FilterChainProxy(chain);
    }