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1   /* Copyright 2004, 2005, 2006 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.springframework.security.ldap;
17  
18  import org.springframework.ldap.core.DirContextOperations;
19  
20  
21  /**
22   * Obtains a user's information from the LDAP directory given a login name.
23   * <p>
24   * May be optionally used to configure the LDAP authentication implementation when
25   * a more sophisticated approach is required than just using a simple username->DN
26   * mapping.
27   * </p>
28   *
29   * @author Luke Taylor
30   * @version $Id: LdapUserSearch.java 2217 2007-10-27 00:45:30Z luke_t $
31   */
32  public interface LdapUserSearch {
33      //~ Methods ========================================================================================================
34  
35      /**
36       * Locates a single user in the directory and returns the LDAP information for that user.
37       *
38       * @param username the login name supplied to the authentication service.
39       *
40       * @return a DirContextOperations object containing the user's full DN and requested attributes.
41       */
42      DirContextOperations searchForUser(String username);
43  }