<http auto-config="true" use-expressions="false">
    <form-login login-processing-url="/static/j_spring_security_check"
        login-page="/login"
        authentication-failure-url="/login?login_error=t"/>

    <intercept-url pattern="/**"
                    access="ROLE_ADMIN" />
</http>

@Controller
@RequestMapping("login")
public class Logincontroller {
/**
 * the logger used for print useful information
 */
protected final Log logger = LogFactory.getLog(getClass());

@RequestMapping(value="",method=RequestMethod.GET)
public String showLoginView(Map<String, Object> model) {
    return WebappConstants.HOME_VIEW;
}

<intercept-url pattern="/login" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
<intercept-url pattern="/**" access="ROLE_ADMIN" />