Spring Security Java Configuration

SpringSecurity.java

@Configuration
@EnableWebMvcSecurity
@ComponentScan(basePackageClasses = UserRepositoryUserDetailsService.class)
public class WebSecurityConfiguration extends WebSecurityConfigurerAdapter {
    @Autowired
    private UserDetailsService userDetailsService;

    @Configuration
    @EnableGlobalMethodSecurity(prePostEnabled = true)
    static class MethodSecurityConfiguration extends GlobalMethodSecurityConfiguration {
        @Autowired
        private PermissionEvaluator permissionEvaluator;

        @Override
        protected MethodSecurityExpressionHandler createExpressionHandler() {
            DefaultMethodSecurityExpressionHandler handler =
                    new DefaultMethodSecurityExpressionHandler();
            handler.setPermissionEvaluator(permissionEvaluator);
            return handler;
        }
    }

    @Order(1)
    @Configuration
    static class H2WebSecurityConfiguration extends WebSecurityConfigurerAdapter {
       
        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http
                .csrf().disable()
                .headers()
                    .cacheControl()
                    .contentTypeOptions()
                    .httpStrictTransportSecurity()
                    .and()
                .requestMatchers()
                    .antMatchers("/h2/**")
                    .and()
                .formLogin()
                    .loginPage("/login")
                    .and()
                .authorizeRequests()
                    .anyRequest().hasRole("ADMIN");
        }        
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .authorizeRequests()
                .antMatchers("/resources/**","/signup").permitAll()
                .anyRequest().authenticated()
                .and()
            .formLogin()
                .loginPage("/login")
                .permitAll()
                .and()
            .logout()
                .permitAll();
    }
    
    @Autowired
    public void registerAuthentication(AuthenticationManagerBuilder auth) throws Exception {
        auth
            .userDetailsService(userDetailsService);
    }
    
}