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Java > Open Source Codes > org > exolab > jms > selector > SObjectFactory


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 2000-2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  */
43
44 package org.exolab.jms.selector;
45
46
47 /**
48  * This class creates SObject objects corresponding to the supplied
49  * java.lang.Object objects.
50  *
51  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:44 $
52  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
53  * @see SObject
54  */
55 final class SObjectFactory {
56
57     /**
58      * Private constructor
59      */
60     private SObjectFactory() {
61     }
62
63     /**
64      * Construct a new <code>SObject</code> corresponding to that supplied
65      *
66      * @param value the value
67      * @return a new SObject corresponding to <code>value</code>, or
68      * <code>null</code> if it is null
69      */
70     public static SObject create(final Object JavaDoc value) {
71         SObject result = null;
72         if (value instanceof String JavaDoc) {
73             result = new SString((String JavaDoc) value);
74         } else if (value instanceof Number JavaDoc) {
75             if (value instanceof Float JavaDoc || value instanceof Double JavaDoc) {
76                 result = new SDouble(((Number JavaDoc) value).doubleValue());
77             } else {
78                 result = new SLong(((Number JavaDoc) value).longValue());
79             }
80         } else if (value instanceof Boolean JavaDoc) {
81             if (value.equals(Boolean.TRUE)) {
82                 result = SBool.TRUE;
83             } else {
84                 result = SBool.FALSE;
85             }
86         }
87
88         return result;
89     }
90
91 } //-- SObjectFactory
92
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