@Configuration
@EnableWebMvcSecurity
@EnableGlobalMethodSecurity(securedEnabled = true, prePostEnabled = true, proxyTargetClass = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter{

    @Autowired
    private AuthenticationProvider authenticationProvider;

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth.authenticationProvider(authenticationProvider);
    }

    @Configuration
    @Order(1)
    public static class ApiWebSecurityConfig extends WebSecurityConfigurerAdapter{
        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http.csrf().disable()
                    .antMatcher("/api/**")
                    .authorizeRequests()
                        .anyRequest().hasAnyRole("ADMIN", "API")
                        .and()
                    .httpBasic();
        }
    }

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

        @Override
        public void configure(WebSecurity web) throws Exception {
            web.ignoring().antMatchers("/css/**", "/js/**", "/img/**", "/lib/**");
        }

        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http.csrf().disable() //HTTP with Disable CSRF
                    .authorizeRequests() //Authorize Request Configuration
                        .antMatchers("/connect/**").permitAll()
                        .antMatchers("/", "/register").permitAll()
                        .antMatchers("/admin/**").hasRole("ADMIN")
                        .anyRequest().authenticated()
                        .and() //Login Form configuration for all others
                    .formLogin()
                        .loginPage("/login").permitAll()
                        .and() //Logout Form configuration
                    .logout().permitAll();
        }
    }
}

http://stackoverflow.com/questions/27774742/spring-security-http-basic-for-restful-and-formlogin-cookies-for-web-annotat/27833237#27833237