spring-security/samples/contacts/src/main/webapp/WEB-INF/applicationContext-security.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  - Application context containing authentication, channel
  - security and web URI beans.
  -
  - Only used by "filter" artifact.
  -
  - $Id: applicationContext-acegi-security.xml 1425 2006-04-28 06:43:50Z benalex $
  -->

<b:beans xmlns="http://www.springframework.org/schema/security"
    xmlns:b="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
                        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-2.0.1.xsd">


    <http auto-config="true" realm="Contacts Realm">
        <intercept-url pattern="/" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
        <intercept-url pattern="/index.jsp" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
        <intercept-url pattern="/hello.htm" access="IS_AUTHENTICATED_ANONYMOUSLY"/>
        <intercept-url pattern="/login.jsp*" access="IS_AUTHENTICATED_ANONYMOUSLY"/>        
        <intercept-url pattern="/switchuser.jsp" access="ROLE_SUPERVISOR"/>
        <intercept-url pattern="/j_spring_security_switch_user" access="ROLE_SUPERVISOR"/>
        <intercept-url pattern="/**" access="ROLE_USER"/>

        <form-login login-page="/login.jsp" authentication-failure-url="/login.jsp?login_error=1"/>
        <logout logout-success-url="/index.jsp"/>
    </http>

   <authentication-provider>
       <password-encoder hash="md5"/>
       <jdbc-user-service data-source-ref="dataSource"/>
   </authentication-provider>

   <!-- Automatically receives AuthenticationEvent messages -->
   <b:bean id="loggerListener" class="org.springframework.security.event.authentication.LoggerListener"/>

   <!-- Filter used to switch the user context. Note: the switch and exit url must be secured
        based on the role granted the ability to 'switch' to another user -->
   <!-- In this example 'rod' has ROLE_SUPERVISOR that can switch to regular ROLE_USER(s) -->
   <b:bean id="switchUserProcessingFilter" class="org.springframework.security.ui.switchuser.SwitchUserProcessingFilter" autowire="byType">
       <custom-filter position="SWITCH_USER_FILTER"/>       
       <b:property name="targetUrl" value="/secure/index.htm"/>
   </b:bean>

</b:beans>