spring security direct user from any page to login

Question

which object in the application context i should use to direct user from / to the login page?

<http use-expressions="true">
  <intercept-url pattern="/" access="permitAll" />
  <intercept-url pattern="/login/**" filters="none" />
  <intercept-url pattern="/static/**" filters="none" />
  <intercept-url pattern="/**" access="isAuthenticated()" />
  <form-login login-page="/login/login.jsp"/>
  <logout logout-success-url="/login/logout_success.jsp" />
  <!--
   Uncomment to enable X509 client authentication support <x509 />
  -->
  <!-- Uncomment to limit the number of sessions a user can have -->
  <session-management invalid-session-url="/timeout.jsp">
   <concurrency-control max-sessions="1"
    error-if-maximum-exceeded="true" />
  </session-management>
 </http>