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: NameService.java,v 1.1 2005/08/30 05:41:44 tanderson Exp $
44 */
45 package org.exolab.jms.server;
46
47 import java.util.Hashtable;
48
49 import javax.naming.InitialContext;
50 import javax.naming.NamingException;
51 import javax.naming.Context;
52
53 import org.codehaus.spice.jndikit.NamingProvider;
54
55 import org.exolab.jms.config.Configuration;
56 import org.exolab.jms.config.Property;
57
58
59 /***
60 * Enter description here.
61 *
62 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
63 * @version $Revision: 1.1 $ $Date: 2005/08/30 05:41:44 $
64 */
65 public class NameService {
66
67 /***
68 * The configuration.
69 */
70 private Configuration _config;
71
72 /***
73 * The embedded name service. Null if an external name service is
74 * configured.
75 */
76 private EmbeddedNameService _embedded;
77
78 /***
79 * The environment for connecting to the external name service.
80 * Null if the embedded name service is configured.
81 */
82 private Hashtable _environment;
83
84
85 /***
86 * Construct a new <code>NameService</code>.
87 *
88 * @param config the configuration to use
89 */
90 public NameService(Configuration config) {
91 if (config == null) {
92 throw new IllegalArgumentException("Argument 'config' is null");
93 }
94 _config = config;
95
96 if (_config.getServerConfiguration().getEmbeddedJNDI()) {
97 _embedded = new EmbeddedNameService();
98 } else {
99 _environment = new Hashtable();
100 Property[] properties =
101 config.getJndiConfiguration().getProperty();
102 for (int index = 0; index < properties.length; ++index) {
103 _environment.put(properties[index].getName(),
104 properties[index].getValue());
105 }
106 }
107 }
108
109 /***
110 * Return the initial context. <br/>
111 * If an embedded JNDI service is configured, then return its initial
112 * context, else return the initial context of the external JNDI provider.
113 *
114 * @return the initial context
115 * @throws NamingException if a naming error occurs
116 */
117 public Context getInitialContext() throws NamingException {
118 Context initial = null;
119
120 if (_embedded != null) {
121 initial = _embedded.getInitialContext();
122 } else {
123 initial = new InitialContext(_environment);
124 }
125 return initial;
126 }
127
128 /***
129 * Returns the embedded naming provider.
130 *
131 * @return the embedded naming provider, or <code>null</code> if an
132 * external provider is configureed
133 */
134 public NamingProvider getNamingProvider() {
135 return (_embedded != null) ? _embedded.getNamingProvider() : null;
136 }
137
138 }