HardTokenProfileProxy


1   /*************************************************************************
2    *                                                                       *
3    *  EJBCA: The OpenSource Certificate Authority                          *
4    *                                                                       *
5    *  This software is free software; you can redistribute it and/or       *
6    *  modify it under the terms of the GNU Lesser General Public           *
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8    *  version 2.1 of the License, or any later version.                    *
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10   *  See terms of license at gnu.org.                                     *
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12   *************************************************************************/
13   
14  package org.ejbca.core.model.hardtoken.profiles;
15  
16  import java.rmi.RemoteException  ;
17  import java.util.HashMap  ;
18  
19  import org.ejbca.core.ejb.hardtoken.IHardTokenSessionRemote;
20  import org.ejbca.core.model.log.Admin;
21  
22  /**
23   * A class used by PrimeCard clients to improve performance by caching hard token 
24   * profiles locally, and only updating from database when the hard token profiles
25   * have been edited.
26   * 
27   * This is needed since hard token profiles contains print image template data
28   * and by removing the need to retrieving the profile for each card processed 
29   * the network load will decrease dramatically.
30   *
31   * @version $Id: HardTokenProfileProxy.java,v 1.1 2006/01/17 20:31:52 anatom Exp $
32   */
33  public class HardTokenProfileProxy {
34  
35      /** Creates a new instance of HardTokenProfileProxy */
36      public HardTokenProfileProxy(Admin admin, IHardTokenSessionRemote hardtokensession){
37                      
38        this.hardtokensession = hardtokensession;
39        this.profilestore = new HashMap  ();
40        this.updatecount = new HashMap  ();
41        this.admin = admin;
42  
43      }
44  
45   
46      /**
47       * Method that first check the local store if the profile is upto date.
48       *
49       * @param profileid the id of the hard token profile. 
50       * @return the hardtokenprofile or null if no profile exists with give id.
51       */
52      public HardTokenProfile getHardTokenProfile(int profileid) throws RemoteException   {
53        HardTokenProfile returnval = null;
54        Integer   id = new Integer  (profileid);
55        int count = 0;
56  
57        if(updatecount.get(id) == null ||
58          (count = hardtokensession.getHardTokenProfileUpdateCount(admin, profileid)) > ((Integer  )  updatecount.get(id)).intValue()){         
59          returnval = hardtokensession.getHardTokenProfile(admin, profileid);
60          profilestore.put(id, returnval);
61          updatecount.put(id, new Integer  (count));
62        }
63        return returnval;
64      }
65  
66      // Private fields    
67      private HashMap   profilestore;
68      private HashMap   updatecount;
69      private IHardTokenSessionRemote hardtokensession;    
70      private Admin admin;
71  
72  }
73
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