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 2002-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: EmbeddedNameService.java,v 1.2 2005/08/30 05:41:44 tanderson Exp $
44 */
45 package org.exolab.jms.server;
46
47 import java.util.Hashtable;
48 import javax.naming.CommunicationException;
49 import javax.naming.Context;
50 import javax.naming.Name;
51 import javax.naming.NameParser;
52 import javax.naming.NamingException;
53
54 import org.codehaus.spice.jndikit.DefaultNameParser;
55 import org.codehaus.spice.jndikit.Namespace;
56 import org.codehaus.spice.jndikit.NamingProvider;
57 import org.codehaus.spice.jndikit.RemoteContext;
58 import org.codehaus.spice.jndikit.StandardNamespace;
59 import org.codehaus.spice.jndikit.memory.MemoryContext;
60 import org.codehaus.spice.jndikit.rmi.server.RMINamingProviderImpl;
61
62 /***
63 * Embedded name service.
64 *
65 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
66 * @version $Revision: 1.2 $ $Date: 2005/08/30 05:41:44 $
67 */
68 public class EmbeddedNameService {
69
70 /***
71 * The naming provider.
72 */
73 private NamingProvider _provider;
74
75
76 /***
77 * Construct an <code>EmbeddedNameService</code>.
78 */
79 protected EmbeddedNameService() {
80 DefaultNameParser parser = new DefaultNameParser();
81 Namespace namespace = createNamespace(parser);
82 Context context = new MemoryContext(namespace, null, null);
83 _provider = new RMINamingProviderImpl(context);
84 }
85
86 /***
87 * Returns the initial context for beginning name resolution.
88 *
89 * @return the initial context
90 * @throws NamingException for any naming error
91 */
92 public Context getInitialContext() throws NamingException {
93 Hashtable environment = new Hashtable();
94 Namespace namespace;
95 try {
96 namespace = createNamespace(_provider.getNameParser());
97 } catch (NamingException exception) {
98 throw exception;
99 } catch (Exception exception) {
100 throw new CommunicationException(exception.toString());
101 }
102
103 environment.put(RemoteContext.NAMING_PROVIDER, _provider);
104 environment.put(RemoteContext.NAMESPACE, namespace);
105
106 final Name baseName = namespace.getNameParser().parse("");
107 return new RemoteContext(environment, baseName);
108 }
109
110 /***
111 * Returns the naming provider.
112 *
113 * @return the naming provider
114 */
115 public NamingProvider getNamingProvider() {
116 return _provider;
117 }
118
119 /***
120 * Creates a new namespace.
121 *
122 * @param parser the parser to use
123 * @return a new namespace
124 */
125 private Namespace createNamespace(NameParser parser) {
126 return new StandardNamespace(parser);
127 }
128 }