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Java > Open Source Codes > org > exolab > jms > config > JndiConfigurationFactory


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
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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.
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25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
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28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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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 2001-2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: JndiConfigurationFactory.java,v 1.1 2004/11/26 01:50:41 tanderson Exp $
44  */
45 package org.exolab.jms.config;
46
47 import javax.naming.Context JavaDoc;
48
49 import org.exolab.jms.config.types.SchemeType;
50
51
52 /**
53  * This factory creates appropriate {@link JndiConfiguration} objects for a
54  * given {@link SchemeType}.
55  *
56  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:41 $
57  * @author <a HREF="mailto:tima@intalio.com">Tim Anderson</a>
58  * @see Configuration
59  */
60 public class JndiConfigurationFactory {
61
62     /**
63      * Returns the JNDI configuration deriving the settings from the supplied
64      * configuration. If more than one connector is configured, the first
65      * will be selected
66      *
67      * @param config the configuration to derive settings from
68      * @return the JNDI configuration
69      * @throws IllegalArgumentException if config is null
70      */
71     public static JndiConfiguration create(Configuration config) {
72         if (config == null) {
73             throw new IllegalArgumentException JavaDoc("Argument config is null");
74         }
75         JndiConfiguration result = new JndiConfiguration();
76
77         Connectors connectors = config.getConnectors();
78         Connector connector = connectors.getConnector(0);
79         return create(connector, config);
80     }
81
82     /**
83      * Returns the JNDI configuration for a particular connector, deriving
84      * the settings from the supplied configuration
85      *
86      * @param connector the connector to return the JNDI configuration for
87      * @param config the configuration to derive settings from
88      * @return the JNDI configuration
89      * @throws IllegalArgumentException if any argument is null
90      */
91     public static JndiConfiguration create(Connector connector,
92                                            Configuration config) {
93         if (connector == null) {
94             throw new IllegalArgumentException JavaDoc("Argument connector is null");
95         }
96         if (config == null) {
97             throw new IllegalArgumentException JavaDoc("Argument config is null");
98         }
99         JndiConfiguration result = new JndiConfiguration();
100
101         ServerConfiguration server = config.getServerConfiguration();
102         SchemeType scheme = connector.getScheme();
103         ConnectorResource resource = ConnectorHelper.getConnectorResource(
104             scheme, config);
105
106         Property context = new Property();
107         context.setName(Context.INITIAL_CONTEXT_FACTORY);
108         context.setValue(resource.getJndi().getInitialContextClass());
109         result.addProperty(context);
110
111         Property url = new Property();
112         url.setName(Context.PROVIDER_URL);
113         url.setValue(ConfigHelper.getJndiURL(scheme, config));
114         result.addProperty(url);
115         return result;
116     }
117
118 } //-- JndiConfigurationFactory
119
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