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    1   /* Copyright 2004 Acegi Technology Pty Limited
    2    *
    3    * Licensed under the Apache License, Version 2.0 (the "License");
    4    * you may not use this file except in compliance with the License.
    5    * You may obtain a copy of the License at
    6    *
    7    *     http://www.apache.org/licenses/LICENSE-2.0
    8    *
    9    * Unless required by applicable law or agreed to in writing, software
    10   * distributed under the License is distributed on an "AS IS" BASIS,
    11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12   * See the License for the specific language governing permissions and
    13   * limitations under the License.
    14   */
    15
    16  package org.acegisecurity.providers.cas.populator;
    17
    18  import org.acegisecurity.AuthenticationException;
    19  import org.acegisecurity.providers.cas.CasAuthoritiesPopulator;
    20  import org.acegisecurity.userdetails.UserDetailsService;
    21  import org.acegisecurity.userdetails.UserDetails;
    22
    23  import org.springframework.beans.factory.InitializingBean;
    24  import org.springframework.util.Assert;
    25
    26
    27  /***
    28   * Populates the CAS authorities via an {@link UserDetailsService}.
    29   *
    30   * <P>
    31   * The additional information (username, password, enabled status etc)  an
    32   * <code>AuthenticationDao</code> implementation provides about  a
    33   * <code>User</code> is ignored. Only the <code>GrantedAuthority</code>s are
    34   * relevant to this class.
    35   * </p>
    36   *
    37   * @author Ben Alex
    38   * @version $Id: DaoCasAuthoritiesPopulator.java,v 1.6 2005/11/30 00:20:12 benalex Exp $
    39   */
    40  public class DaoCasAuthoritiesPopulator implements CasAuthoritiesPopulator,
    41      InitializingBean {
    42      //~ Instance fields ========================================================
    43
    44      private UserDetailsService userDetailsService;
    45
    46      //~ Methods ================================================================
    47
    48      public void setUserDetailsService(UserDetailsService authenticationDao) {
    49          this.userDetailsService = authenticationDao;
    50      }
    51
    52      public UserDetailsService getUserDetailsService() {
    53          return userDetailsService;
    54      }
    55
    56      public UserDetails getUserDetails(String casUserId)
    57          throws AuthenticationException {
    58          return this.userDetailsService.loadUserByUsername(casUserId);
    59      }
    60
    61      public void afterPropertiesSet() throws Exception {
    62          Assert.notNull(this.userDetailsService, "An authenticationDao must be set");
    63      }
    64  }