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 2000-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: ConfigurationManager.java,v 1.2 2005/08/30 05:07:11 tanderson Exp $
44 */
45 package org.exolab.jms.config;
46
47 import java.io.File;
48
49 import org.exolab.jms.config.types.SchemeType;
50
51
52 /***
53 * The ConfigurationManager manages provides class methods for setting and
54 * getting the configuration file. It should be set by the application main line
55 * through {@link #setConfig} and subsequently accessed by other components
56 * through {@link #getConfig}.
57 *
58 * @author <a href="mailto:jima@comware.com.au">Jim Alateras</a>
59 * @version $Revision: 1.2 $ $Date: 2005/08/30 05:07:11 $
60 * @deprecated no replacement
61 */
62 public class ConfigurationManager {
63
64 /***
65 * The loaded configuration
66 */
67 private static Configuration _config = null;
68
69 /***
70 * Load the configuration file
71 *
72 * @param path xml config file conforming to openjms.xsd schema
73 * @throws FileDoesNotExistException if the file does not exist
74 * @throws ConfigurationFileException if the file is not well-formed
75 */
76 public static synchronized void setConfig(String path)
77 throws FileDoesNotExistException, ConfigurationFileException {
78 File config = new File(path);
79
80 if (config.exists()) {
81 ConfigurationLoader loader = new ConfigurationLoader();
82 try {
83 _config = loader.load(path);
84 } catch (Exception exception) {
85 throw new ConfigurationFileException(
86 "Error occured in " + path + " " + exception);
87 }
88 } else {
89 throw new FileDoesNotExistException(
90 "Configuration file " + path + " does not exist.");
91 }
92 }
93
94 /***
95 * Set the configuration
96 *
97 * @param config the configuration
98 */
99 public static synchronized void setConfig(Configuration config) {
100 if (config == null) {
101 throw new IllegalArgumentException("Argument 'config' is null");
102 }
103 _config = config;
104 }
105
106 /***
107 * Returns the configuration
108 *
109 * @return the configuration
110 * @throws IllegalStateException if the configuration has not been
111 * initialised
112 */
113 public static synchronized Configuration getConfig() {
114 if (_config == null) {
115 throw new IllegalStateException(
116 "Configuration manager has not been initialised");
117 }
118 return _config;
119 }
120
121 /***
122 * Returns the connector configuration for the supplied scheme
123 *
124 * @param scheme the connector scheme
125 * @return the connector configuration for the supplied scheme, or null, if
126 * no configuration exists
127 * @throws IllegalArgumentException if scheme is null
128 * @throws IllegalStateException if the configuration is not initialised
129 * @deprecated
130 */
131 public static Connector getConnector(SchemeType scheme) {
132 if (scheme == null) {
133 throw new IllegalArgumentException("Argument scheme is null");
134 }
135 Connector result = null;
136 Configuration config = getConfig();
137 Connector[] connectors = config.getConnectors().getConnector();
138 for (int i = 0; i < connectors.length; ++i) {
139 if (connectors[i].getScheme().equals(scheme)) {
140 result = connectors[i];
141 break;
142 }
143 }
144 return result;
145 }
146
147 /***
148 * Returns the default connector. This is the first configured connector in
149 * the configuration.
150 *
151 * @return the default connector
152 * @throws IllegalStateException if the configuration is not initialised
153 * @see #getConnector(SchemeType)
154 * @deprecated This method relies on users knowing that the first connector
155 * is the one that will be used.
156 */
157 public static Connector getConnector() {
158 Configuration config = getConfig();
159 return config.getConnectors().getConnector(0);
160 }
161
162 }