Spring Security's HTTP Basic authentication

Using spring security for HTTP Basic authentication is simple and straightforward to use, as follows:

<security:http>        <Security:http-basic></Security:http-basic>                <Security:intercept-urlpattern="/**"Access= "Role_user"/>    </security:http>    <!--using AuthenticationManager for authentication-related configurations -    <!--the Authentication-manager element specifies a authenticationmanager, It requires a authenticationprovider (corresponding to the Authentication-provider element) for true authentication -    <Security:authentication-manager>        <Security:authentication-provider>            <Security:user-service>                <Security:username= "User"Password= "User"authorities= "Role_user"/>                <Security:username= "Admin"Password= "Admin"authorities= "Role_user, role_admin"/>            </Security:user-service>        </Security:authentication-provider>    </Security:authentication-manager>

Spring Security's HTTP Basic authentication