/**
    * This file Copyright (c) 2003-2011 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.cms.security;
  
  import info.magnolia.context.MgnlContext;
  
  import java.util.Collection;
  
  import javax.security.auth.Subject;
  
  /**
   * Manages the JAAS users.
   * @author philipp
   * @version $Revision:9391 $ ($Author:scharles $)
   */
  public class ExternalUserManager implements UserManager {
  
      public User getUser(String name) throws UnsupportedOperationException {
          // we only support accessing current User object
          // - implement source specific UserManager if needed
          if (name.equalsIgnoreCase(MgnlContext.getUser().getName())) {
              return MgnlContext.getUser();
          }
          throw new UnsupportedOperationException("not implemented yet");
      }
  
      /**
       * Initialize new user using JAAS authenticated/authorized subject.
       * @param subject
       * @throws UnsupportedOperationException
       */
      public User getUser(Subject subject) throws UnsupportedOperationException {
          return new ExternalUser(subject);
      }
  
      public Collection<User> getAllUsers() throws UnsupportedOperationException {
          throw new UnsupportedOperationException("not implemented yet");
      }
  
      public User createUser(String name, String pw) throws UnsupportedOperationException {
          throw new UnsupportedOperationException("not implemented yet");
      }
  
      public void changePassword(User user, String newPassword) throws UnsupportedOperationException {
          throw new UnsupportedOperationException("not implemented yet");
      }
  
      /**
       * SystemUserManager does this.
       */
      public User getSystemUser() throws UnsupportedOperationException {
          throw new UnsupportedOperationException();
      }
  
      /**
       * SystemUserManager does this.
       */
      public User getAnonymousUser() throws UnsupportedOperationException {
          throw new UnsupportedOperationException();
      }
      
      public long getLockTimePeriod() throws UnsupportedOperationException{
          throw new UnsupportedOperationException("Not supported by this user manager.");
      }
  
      public int getMaxFailedLoginAttempts() throws UnsupportedOperationException {
          throw new UnsupportedOperationException("Not supported by this user manager.");
      }
 
     public void setLockTimePeriod(long lockTimePeriod) throws UnsupportedOperationException {
         throw new UnsupportedOperationException("Not supported by this user manager.");
     }
 
     public void setMaxFailedLoginAttempts(int maxFailedLoginAttempts) throws UnsupportedOperationException {
         throw new UnsupportedOperationException("Not supported by this user manager.");
     }
 }