StatelessRunAsBean


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: StatelessRunAsBean.java 1151 2006-10-11 13:37:06Z benoitf $
23   * --------------------------------------------------------------------------
24   */
25  
26  package org.objectweb.easybeans.examples.security;
27  
28  import javax.annotation.Resource;
29  import javax.annotation.security.DeclareRoles;
30  import javax.annotation.security.RunAs;
31  import javax.ejb.EJB  ;
32  import javax.ejb.Remote  ;
33  import javax.ejb.SessionContext  ;
34  import javax.ejb.Stateless  ;
35  
36  /**
37   * Stateless Bean with secured methods.
38   * Two roles are declared : user and admin.
39   * @author Florent Benoit
40   */
41  @Stateless  
42  @Remote  (StatelessRunAsRemote.class)
43  @DeclareRoles({"admin"})
44  @RunAs("admin")
45  public class StatelessRunAsBean implements StatelessRunAsRemote {
46  
47      /**
48       * SessionContext used to get current caller.
49       */
50      @Resource
51      private SessionContext   sessionContext;
52  
53      /**
54       * Link to bean.
55       */
56      @EJB  
57      private StatelessRemote other;
58  
59  
60      /**
61       * Prints the current caller.
62       */
63      public void printCurrentCaller() {
64          System.out.println("Caller is '" + sessionContext.getCallerPrincipal());
65      }
66  
67      /**
68       * Call method that is allowed only for admin. (but use run-as role).
69       */
70      public void callBeanWithRunAsAdmin() {
71          other.onlyAdminAllowed();
72  
73          // Also call a method that permit two roles
74          other.someRolesAllowed();
75  
76      }
77  
78  
79  }
80
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