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Java > Open Source Codes > org > exolab > jms > net > util > SSLHelper


1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "Exolab" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of Exoffice Technologies. For written permission,
18  * please contact info@exolab.org.
19  *
20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Exoffice Technologies. Exolab is a registered
23  * trademark of Exoffice Technologies.
24  *
25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: SSLHelper.java,v 1.2 2005/05/03 13:45:59 tanderson Exp $
44  */
45 package org.exolab.jms.net.util;
46
47 import java.util.Properties JavaDoc;
48
49
50 /**
51  * Helper class for configuring the secure socket layer (SSL).
52  *
53  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
54  * @version $Revision: 1.2 $
55  */
56 public class SSLHelper {
57
58     /**
59      * System property to indicate the keystore to use.
60      */
61     public static final String JavaDoc KEY_STORE = "javax.net.ssl.keyStore";
62
63     /**
64      * System property to indicate the keystore type.
65      */
66     public static final String JavaDoc KEY_STORE_TYPE
67             = "javax.net.ssl.keyStoreType";
68
69     /**
70      * System property to indicate the keystore password.
71      */
72     public static final String JavaDoc KEY_STORE_PASSWORD
73             = "javax.net.ssl.keyStorePassword";
74
75     /**
76      * System property to indicate the truststore to use.
77      */
78     public static final String JavaDoc TRUST_STORE = "javax.net.ssl.trustStore";
79
80     /**
81      * System property to indicate the truststore password.
82      */
83     public static final String JavaDoc TRUST_STORE_PASSWORD
84             = "javax.net.ssl.trustStorePassword";
85
86     /**
87      * System property to indicate the truststore type.
88      */
89     public static final String JavaDoc TRUST_STORE_TYPE
90             = "javax.net.ssl.trustStoreType";
91
92     /**
93      * Configure the secure socket layer.
94      * <p/>
95      * This sets system properties corresponding to those specified by
96      * <code>properties</code>
97      *
98      * @param properties the properties to use
99      * @throws SecurityException if the security manager doesn't allow a
100      * property to be updated.
101      */
102     public static void configure(SSLProperties properties)
103             throws SecurityException JavaDoc {
104         update(KEY_STORE, properties.getKeyStore());
105         update(KEY_STORE_PASSWORD, properties.getKeyStorePassword());
106         update(KEY_STORE_TYPE, properties.getKeyStoreType());
107         update(TRUST_STORE, properties.getTrustStore());
108         update(TRUST_STORE_PASSWORD, properties.getTrustStorePassword());
109         update(TRUST_STORE_TYPE, properties.getTrustStoreType());
110     }
111
112     /**
113      * Update a system property, setting it if the corresponding value isn't
114      * null, or removing it if it is.
115      *
116      * @param key the property name
117      * @param value the property value
118      * @throws SecurityException if the security manager doesn't allow a
119      * property to be updated.
120      */
121     private static void update(String JavaDoc key, String JavaDoc value)
122         throws SecurityException JavaDoc {
123         if (value != null) {
124             System.setProperty(key, value);
125         } else if (System.getProperty(key) == null) {
126             Properties properties = System.getProperties();
127             properties.remove(key);
128         }
129     }
130 }
131
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