Несколько точек входа в Spring Security

@Configuration
@EnableWebSecurity
public class MultipleEntryPointsSecurityConfig {

    @Bean
    public UserDetailsService userDetailsService() throws Exception {
        InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
        manager.createUser(User
          .withUsername("user")
          .password(encoder().encode("userPass"))
          .roles("USER").build());
        manager.createUser(User
          .withUsername("admin")
          .password(encoder().encode("adminPass"))
          .roles("ADMIN").build());
        return manager;
    }

    @Bean
    public PasswordEncoder encoder() {
        return new BCryptPasswordEncoder();
    }
}

@Configuration
@Order(1)
public static class App1ConfigurationAdapter extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.antMatcher("/admin/** ** ")
            .authorizeRequests().anyRequest().hasRole("ADMIN")
            .and().httpBasic().authenticationEntryPoint(authenticationEntryPoint());
    }

    @Bean
    public AuthenticationEntryPoint authenticationEntryPoint(){
        BasicAuthenticationEntryPoint entryPoint =
          new BasicAuthenticationEntryPoint();
        entryPoint.setRealmName("admin realm");
        return entryPoint;
    }
}

@Configuration
@Order(2)
public static class App2ConfigurationAdapter extends WebSecurityConfigurerAdapter {

    protected void configure(HttpSecurity http) throws Exception {
        http.antMatcher("/user/** ** ")
            .authorizeRequests().anyRequest().hasRole("USER")
            .and()
           //formLogin configuration
            .and()
            .exceptionHandling()
            .defaultAuthenticationEntryPointFor(
              loginUrlauthenticationEntryPointWithWarning(),
              new AntPathRequestMatcher("/user/private/** ** "))
            .defaultAuthenticationEntryPointFor(
              loginUrlauthenticationEntryPoint(),
              new AntPathRequestMatcher("/user/general/** ** "));
    }
}

@Bean
public AuthenticationEntryPoint loginUrlauthenticationEntryPoint(){
    return new LoginUrlAuthenticationEntryPoint("/userLogin");
}

@Bean
public AuthenticationEntryPoint loginUrlauthenticationEntryPointWithWarning(){
    return new LoginUrlAuthenticationEntryPoint("/userLoginWithWarning");
}

@Configuration
@Order(3)
public static class App3ConfigurationAdapter extends WebSecurityConfigurerAdapter {

    protected void configure(HttpSecurity http) throws Exception {
        http.antMatcher("/guest/** ** ").authorizeRequests().anyRequest().permitAll();
    }
}

<security:http pattern="/admin/** ** " use-expressions="true" auto-config="true">
    <security:intercept-url pattern="/** ** " access="hasRole('ROLE__ADMIN')"/>
    <security:http-basic entry-point-ref="authenticationEntryPoint"/>
</security:http>

<bean id="authenticationEntryPoint"
  class="org.springframework.security.web.authentication.www.BasicAuthenticationEntryPoint">
     <property name="realmName" value="admin realm"/>
</bean>

<security:http pattern="/user/general/** ** " use-expressions="true" auto-config="true"
  entry-point-ref="loginUrlAuthenticationEntryPoint">
    <security:intercept-url pattern="/** ** " access="hasRole('ROLE__USER')"/>
   //form-login configuration
</security:http>

<bean id="loginUrlAuthenticationEntryPoint"
  class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
  <constructor-arg name="loginFormUrl" value="/userLogin"/>
</bean>

<security:http pattern="/user/private/** ** " use-expressions="true" auto-config="true"
  entry-point-ref="loginUrlAuthenticationEntryPointWithWarning">
    <security:intercept-url pattern="/** ** " access="hasRole('ROLE__USER')"/>
   //form-login configuration
</security:http>

<bean id="loginUrlAuthenticationEntryPointWithWarning"
  class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
    <constructor-arg name="loginFormUrl" value="/userLoginWithWarning"/>
</bean>

<security:http pattern="/** ** " use-expressions="true" auto-config="true">
    <security:intercept-url pattern="/guest/** ** " access="permitAll()"/>
</security:http>

@Controller
public class PagesController {

    @GetMapping("/admin/myAdminPage")
    public String getAdminPage() {
        return "multipleHttpElems/myAdminPage";
    }

    @GetMapping("/user/general/myUserPage")
    public String getUserPage() {
        return "multipleHttpElems/myUserPage";
    }

    @GetMapping("/user/private/myPrivateUserPage")
    public String getPrivateUserPage() {
        return "multipleHttpElems/myPrivateUserPage";
    }

    @GetMapping("/guest/myGuestPage")
    public String getGuestPage() {
        return "multipleHttpElems/myGuestPage";
    }

    @GetMapping("/multipleHttpLinks")
    public String getMultipleHttpLinksPage() {
        return "multipleHttpElems/multipleHttpLinks";
    }
}

<a th:href="@{/admin/myAdminPage}">Admin page</a>
<a th:href="@{/user/general/myUserPage}">User page</a>
<a th:href="@{/user/private/myPrivateUserPage}">Private user page</a>
<a th:href="@{/guest/myGuestPage}">Guest page</a>

Welcome admin!

<a th:href="@{/multipleHttpLinks}" >Back to links</a>

@SpringBootApplication
public class MultipleEntryPointsApplication {
    public static void main(String[]args) {
        SpringApplication.run(MultipleEntryPointsApplication.class, args);
    }
}

@RunWith(SpringRunner.class)
@WebAppConfiguration
@SpringBootTest(classes = MultipleEntryPointsApplication.class)
public class MultipleEntryPointsTest {

    @Autowired
    private WebApplicationContext wac;

    @Autowired
    private FilterChainProxy springSecurityFilterChain;

    private MockMvc mockMvc;

    @Before
    public void setup() {
        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac)
          .addFilter(springSecurityFilterChain).build();
    }
}

@Test
public void whenTestAdminCredentials__thenOk() throws Exception {
    mockMvc.perform(get("/admin/myAdminPage")).andExpect(status().isUnauthorized());

    mockMvc.perform(get("/admin/myAdminPage")
      .with(httpBasic("admin", "adminPass"))).andExpect(status().isOk());

    mockMvc.perform(get("/user/myUserPage")
      .with(user("admin").password("adminPass").roles("ADMIN")))
      .andExpect(status().isForbidden());
}

@Test
public void whenTestUserCredentials__thenOk() throws Exception {
    mockMvc.perform(get("/user/general/myUserPage")).andExpect(status().isFound());

    mockMvc.perform(get("/user/general/myUserPage")
      .with(user("user").password("userPass").roles("USER")))
      .andExpect(status().isOk());

    mockMvc.perform(get("/admin/myAdminPage")
      .with(user("user").password("userPass").roles("USER")))
      .andExpect(status().isForbidden());
}

@Test
public void givenAnyUser__whenGetGuestPage__thenOk() throws Exception {
    mockMvc.perform(get("/guest/myGuestPage")).andExpect(status().isOk());

    mockMvc.perform(get("/guest/myGuestPage")
      .with(user("user").password("userPass").roles("USER")))
      .andExpect(status().isOk());

    mockMvc.perform(get("/guest/myGuestPage")
      .with(httpBasic("admin", "adminPass")))
      .andExpect(status().isOk());
}