/**
    * Copyright 2005-2012 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.kim.client.acegi;
  
  import org.acegisecurity.GrantedAuthority;
  import org.acegisecurity.ldap.LdapUserSearch;
  import org.acegisecurity.providers.ldap.LdapAuthoritiesPopulator;
  import org.acegisecurity.userdetails.User;
  import org.acegisecurity.userdetails.UserDetails;
  import org.acegisecurity.userdetails.UserDetailsService;
  import org.acegisecurity.userdetails.ldap.LdapUserDetails;
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.util.Assert;
  
  public class LdapUserDetailsService implements UserDetailsService, InitializingBean
  {
      LdapUserSearch           ldapUserSearch;
      LdapAuthoritiesPopulator ldapAuthoritiesPopulator;
  
      public void afterPropertiesSet() throws Exception
      {
          Assert.notNull(this.ldapUserSearch, "An LDAP search object must be set");
          Assert.notNull(this.ldapAuthoritiesPopulator, "An LDAP authorities populator must be set");
      }
  
      public UserDetails loadUserByUsername(String username)
      {
          LdapUserDetails ldapUserDetails = ldapUserSearch.searchForUser(username);
          GrantedAuthority[] authorities = ldapAuthoritiesPopulator.getGrantedAuthorities(ldapUserDetails);
  
          return new User(username, "empty_password", true, true, true, true, authorities);
      }
  
      public LdapAuthoritiesPopulator getLdapAuthoritiesPopulator()
      {
          return ldapAuthoritiesPopulator;
      }
  
      public void setLdapAuthoritiesPopulator(LdapAuthoritiesPopulator ldapAuthoritiesPopulator)
      {
          this.ldapAuthoritiesPopulator = ldapAuthoritiesPopulator;
      }
  
      public LdapUserSearch getLdapUserSearch()
      {
          return ldapUserSearch;
      }
  
      public void setLdapUserSearch(LdapUserSearch ldapUserSearch)
      {
          this.ldapUserSearch = ldapUserSearch;
      }
  }