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Java > Open Source Codes > javax > security > auth > message > callback > SecretKeyCallback


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package javax.security.auth.message.callback;
23
24 import javax.security.auth.callback.Callback JavaDoc;
25
26 //$Id: SecretKeyCallback.java 45179 2006-05-23 20:18:57Z asaldhana $
27
28 /**
29  * Callback for secret key
30  * @author <a HREF="mailto:Anil.Saldhana@jboss.org">Anil Saldhana</a>
31  * @author Charlie Lai, Ron Monzillo (Javadoc for JSR-196)
32  * @since May 11, 2006
33  * @version $Revision: 45179 $
34  */
35 public class SecretKeyCallback implements Callback JavaDoc
36 {
37    /**
38     * Marker interface for secret key request types.
39     */
40    public static interface Request
41    {
42    }
43    
44    /**
45     * Request type for secret keys that are identified via an alias.
46     */
47    public static class AliasRequest implements Request
48    {
49       private String JavaDoc alias = "Alias";
50       
51       /**
52        *
53        * <p>Construct an AliasRequest with an alias.</p>
54        *
55        * <p>The alias is used to directly identify the secret key to be returned.</p>
56        * <p>If the alias is null, the handler of the callback relies on its own default.</p>
57        * @param alias name identifier for the secret key, or null
58        */
59       public AliasRequest(String JavaDoc alias)
60       {
61          if(alias != null)
62            this.alias = alias;
63       }
64       
65       /**
66        * Get the alias.
67        * @return the alias, or null.
68        */
69       public String JavaDoc getAlias()
70       {
71          return alias;
72       }
73    }
74 }
75
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