spring security ldap +OpenDs代理服务器

package com.liang.service;

import java.util.Arrays;
import java.util.Collection;

import org.springframework.ldap.core.DirContextOperations;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthorityImpl;
import org.springframework.security.ldap.userdetails.LdapAuthoritiesPopulator;

@SuppressWarnings("deprecation")
public class SimpleRoleGrantingLdapAuthoritiesPopulator implements LdapAuthoritiesPopulator{
	
	@Override
	public Collection<? extends GrantedAuthority> getGrantedAuthorities(
			DirContextOperations userData, String username) {
		GrantedAuthority ga=null;
		if("abc".equals(username)){
			ga=new GrantedAuthorityImpl("ROLE_ADMIN");
		}else{
			ga=new GrantedAuthorityImpl("ROLE_USER");
		}
		return Arrays.asList(ga);
	}
	
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:security="http://www.springframework.org/schema/security"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
     					http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                        http://www.springframework.org/schema/security
                        http://www.springframework.org/schema/security/spring-security-3.1.xsd">
	<security:http auto-config="true">
		<security:intercept-url pattern="/**" access="ROLE_ADMIN" />
	</security:http>

	<security:authentication-manager alias="authenticationManager">  
 		<security:authentication-provider ref="ldapAuthProvider"/>  
	</security:authentication-manager> 
	<bean id="ldapServer"
		class="org.springframework.security.ldap.DefaultSpringSecurityContextSource">
		<constructor-arg value="ldap://localhost:389/dc=example,dc=com" />
		<property name="userDn" value="cn=Directory Manager" />
		<property name="password" value="root" />
	</bean>

	<bean id="ldapAuthProvider"
		class="org.springframework.security.ldap.authentication.LdapAuthenticationProvider">
		<constructor-arg ref="ldapBindAuthenticator" />
		<constructor-arg ref="simpleRoleGrantingLdapAuthoritiesPopulator" />
		<property name="userDetailsContextMapper" ref="ldapUserDetailsContextMapper" />
	</bean>
	<bean id="ldapBindAuthenticator"
		class="org.springframework.security.ldap.authentication.BindAuthenticator">
		<constructor-arg ref="ldapServer" />
		<property name="userSearch" ref="ldapSearchBean" />
	</bean>
	<bean id="ldapSearchBean"
		class="org.springframework.security.ldap.search.FilterBasedLdapUserSearch">
		<constructor-arg value="" /> <!-- user-search-base -->
		<constructor-arg value="(uid={0})" /> <!-- user-search-filter -->
		<constructor-arg ref="ldapServer" />
	</bean>
	<bean id="ldapAuthoritiesPopulator"
		class="org.springframework.security.ldap.userdetails.DefaultLdapAuthoritiesPopulator">
		<constructor-arg ref="ldapServer" />
		<constructor-arg value="ou=helloUnit" />
		<property name="groupSearchFilter" value="(uniqueMember={0})" />
	</bean>
	<bean id="ldapUserDetailsContextMapper"
		class="org.springframework.security.ldap.userdetails.InetOrgPersonContextMapper" />
	<bean id="simpleRoleGrantingLdapAuthoritiesPopulator" class="com.liang.service.SimpleRoleGrantingLdapAuthoritiesPopulator"></bean>
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SS5</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  
  
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  
   <filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  
</web-app>