AbstractSecurityContext


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.security;
24  
25  import java.security.Principal  ;
26  import javax.security.auth.Subject  ;
27  
28  /**
29   * This base class defines the methods that Security Context should exhibit.
30   * There are two places where a derived class are used. They are on the 
31   * appclient side and ejb side. The derived classes can use thread local
32   * storage to store the security contexts.
33   * 
34   * @author Harpreet Singh
35   */
36  public abstract class AbstractSecurityContext implements java.io.Serializable   {
37      // the principal that this security context represents.
38      protected Principal   initiator = null;
39      protected Subject   subject = null;
40      
41      /**
42       * This method should  be implemented by the subclasses to
43       * return the caller principal. This information may be redundant
44       * since the same information can be inferred by inspecting the
45       * Credentials of the caller. 
46       * @return The caller Principal. 
47       */
48      abstract public Principal   getCallerPrincipal();
49      
50      /**
51       * This method should be implemented by the subclasses to return 
52       * the Credentials of the caller principal.
53       * @return A credentials object associated with the current client 
54       * invocation.
55       */
56      abstract public Subject   getSubject();
57  }
58  
59  
60  
61  
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