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Java > Open Source Codes > org > exolab > jms > plugins > proxygen > ClassHelper


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: ClassHelper.java,v 1.1 2005/04/02 13:33:44 tanderson Exp $
44  */
45 package org.exolab.jms.plugins.proxygen;
46
47
48 /**
49  * Helper class for performing reflection.
50  *
51  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
52  * @version $Revision: 1.1 $ $Date: 2005/04/02 13:33:44 $
53  */
54 public class ClassHelper {
55
56     /**
57      * Prevent construction of helper class/
58      */
59     private ClassHelper() {
60     }
61
62
63     /**
64      * Returns the package of a class. This is a workaround for AntClassLoader,
65      * which doesn't provide package information (at least in versions &lt;=
66      * 1.5.1)
67      *
68      * @param clazz the class
69      * @return the package name of the class
70      */
71     protected static String JavaDoc getPackage(Class JavaDoc clazz) {
72         String JavaDoc result = null;
73         if (clazz.getPackage() != null) {
74             result = clazz.getPackage().getName();
75         } else {
76             int lastDot = clazz.getName().lastIndexOf(".");
77             if (lastDot != -1) {
78                 result = clazz.getName().substring(0, lastDot);
79             }
80         }
81         return result;
82     }
83
84     /**
85      * Returns the qualified name of a class.
86      *
87      * @param clazz the class
88      * @return the qualified name of the class
89      */
90     protected static String JavaDoc getQualifiedName(Class JavaDoc clazz) {
91         String JavaDoc result = null;
92         if (clazz.isArray()) {
93             result = "";
94             while (clazz.isArray()) {
95                 result += "[]";
96                 clazz = clazz.getComponentType();
97             }
98             result = clazz.getName() + result;
99         } else {
100             result = clazz.getName();
101         }
102         return result;
103     }
104
105 }
106
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