webSecurityConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
    xmlns:sec="http://www.springframework.org/schema/security"
    xsi:schemaLocation="
      http://www.springframework.org/schema/security
      http://www.springframework.org/schema/security/spring-security-3.2.xsd
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-4.1.xsd">

    <http use-expressions="true" entry-point-ref="restAuthenticationEntryPoint">
        <intercept-url pattern="/api/**" access="isAuthenticated()" />

        <sec:form-login authentication-success-handler-ref="mySuccessHandler" authentication-failure-handler-ref="myFailureHandler" />

        <logout />
    </http>

    <beans:bean id="mySuccessHandler" class="org.baeldung.security.MySavedRequestAwareAuthenticationSuccessHandler" />
    <beans:bean id="myFailureHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler" />

    <authentication-manager alias="authenticationManager">
        <authentication-provider>
            <user-service>
                <user name="temporary" password="temporary" authorities="ROLE_ADMIN" />
                <user name="user" password="userPass" authorities="ROLE_USER" />
            </user-service>
        </authentication-provider>
    </authentication-manager>

</beans:beans>