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Java > Open Source Codes > org > exolab > jms > server > NamingHelper


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 2002-2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: NamingHelper.java,v 1.2 2005/03/18 04:07:02 tanderson Exp $
44  */
45 package org.exolab.jms.server;
46
47 import java.util.Hashtable JavaDoc;
48
49 import javax.naming.Context JavaDoc;
50 import javax.naming.InitialContext JavaDoc;
51 import javax.naming.NamingException JavaDoc;
52
53 import org.exolab.jms.config.Configuration;
54 import org.exolab.jms.config.JndiConfiguration;
55 import org.exolab.jms.config.Property;
56 import org.exolab.jms.server.EmbeddedNameService;
57
58
59 /**
60  * This class provides helper methods to access the name service's initial
61  * context.
62  *
63  * @version $Revision: 1.2 $ $Date: 2005/03/18 04:07:02 $
64  * @author <a HREF="mailto:tima@intalio.com">Tim Anderson</a>
65  * @see EmbeddedNameService
66  */
67 public class NamingHelper {
68
69     /**
70      * Return the initial context. <br/>
71      * If an embedded JNDI service is configured, then return its initial
72      * context, else return the initial context of the external JNDI provider.
73      *
74      * @param config the server configuration
75      * @return the initial context
76      * @throws NamingException if a naming error occurs
77      */
78     public static Context JavaDoc getInitialContext(Configuration config)
79         throws NamingException JavaDoc {
80         Context JavaDoc initial = null;
81
82         if (config.getServerConfiguration().getEmbeddedJNDI()) {
83             initial = EmbeddedNameService.getInstance().getInitialContext();
84         } else {
85             Hashtable JavaDoc environment = new Hashtable JavaDoc();
86             Property[] properties =
87                 config.getJndiConfiguration().getProperty();
88             for (int index = 0; index < properties.length; ++index) {
89                 environment.put(properties[index].getName(),
90                     properties[index].getValue());
91             }
92             initial = new InitialContext JavaDoc(environment);
93         }
94         return initial;
95     }
96
97 } //-- NamingHelper
98
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