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Java > Open Source Codes > org > exolab > jms > net > connector > TestAuthenticator


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40  *
41  * Copyright 2004-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: TestAuthenticator.java,v 1.2 2005/04/17 14:13:40 tanderson Exp $
44  */
45 package org.exolab.jms.net.connector;
46
47 import java.security.Principal JavaDoc;
48
49
50 /**
51  * Test implementation of the {@link Authenticator} interface.
52  *
53  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
54  * @version $Revision: 1.2 $ $Date: 2005/04/17 14:13:40 $
55  * @see ManagedConnectionAcceptor
56  */
57 public class TestAuthenticator implements Authenticator {
58
59     /**
60      * The expected principals on requests. May be <code>null</code> to indicate
61      * the no principals are expected.
62      */
63     private Principal JavaDoc[] _principals;
64
65
66     /**
67      * Construct a new <code>TestAuthenticator</code>, that rejects
68      * all principals.
69      */
70     public TestAuthenticator() {
71     }
72
73     /**
74      * Construct a new <code>TestAuthenticator</code>, that authenticates
75      * a single principal.
76      *
77      * @param principal the principal to use. May be <code>null</code>
78      */
79     public TestAuthenticator(Principal JavaDoc principal) {
80         if (principal != null) {
81             _principals = new Principal JavaDoc[]{principal};
82         }
83     }
84
85     /**
86      * Construct a new <code>TestAuthenticator</code>. that authenticates
87      * a set of principals.
88      *
89      * @param principals the principals to use. May be <code>null</code>
90      */
91     public TestAuthenticator(Principal JavaDoc[] principals) {
92         _principals = principals;
93     }
94
95     /**
96      * Determines if a principal has permissions to connect.
97      *
98      * @param principal the principal to check
99      * @return <code>true</code> if the principal has permissions to connect
100      * @throws ResourceException if an error occurs
101      */
102     public boolean authenticate(Principal JavaDoc principal) throws ResourceException {
103         boolean result = false;
104         if (_principals == null) {
105             if (principal == null) {
106                 result = true;
107             }
108         } else {
109             for (int i = 0; i < _principals.length; ++i) {
110                 Principal JavaDoc other = _principals[i];
111                 if ((other == null && principal == null)
112                     || (other != null && other.equals(principal))) {
113                     result = true;
114                     break;
115                 }
116             }
117         }
118         return result;
119     }
120
121 }
122
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