taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/store/LoginManager.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.store;
  12
  13 import java.util.Observable;
  14
  15 import org.apache.log4j.Logger;
  16 import org.springframework.security.Authentication;
  17 import org.springframework.security.context.SecurityContextHolder;
  18 import org.springframework.security.providers.UsernamePasswordAuthenticationToken;
  19
  20 import eu.etaxonomy.cdm.model.common.User;
  21
  22 /**
  23  * @author n.hoffmann
  24  * @created 03.07.2009
  25  * @version 1.0
  26  */
  27 public class LoginManager extends Observable{
  28         private static final Logger logger = Logger.getLogger(LoginManager.class);
  29
  30         /**
  31          * @param token
  32          */
  33         public void authenticate(UsernamePasswordAuthenticationToken token){
  34                 Authentication authentication = CdmStore.getAuthenticationManager().authenticate(token);
  35                 SecurityContextHolder.getContext().setAuthentication(authentication);
  36
  37                 this.setChanged();
  38                 this.notifyObservers();
  39         }
  40
  41         /**
  42          *
  43          * @return
  44          */
  45         public User getAuthenticatedUser(){
  46                 Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
  47
  48                 if(authentication != null
  49                                 && authentication.getPrincipal() != null
  50                                 && authentication.getPrincipal() instanceof User){
  51                         return (User)authentication.getPrincipal();
  52                 }
  53                 return null;
  54         }
  55 }