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Java > Open Source Codes > org > mr > api > jms > selector > syntax > MantaObjectFactory


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Coridan.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */

46 package org.mr.api.jms.selector.syntax;
47
48
49 /**
50  * This class represents a MantaObject factory, it creates selector objects corresponding to the supplied
51  * java.lang.Object objects.
52  *
53  */

54 final class MantaObjectFactory {
55
56     /**
57      * Private constructor,we don't want anyone from creating a new ObjectFactories
58      */

59     private MantaObjectFactory() {
60     }//MantaObjectFactory
61

62
63     /**
64      * Construct a new MantaObject corresponding to that supplied
65      *
66      * @param value the value
67      * @return a new MantaObject corresponding to value, or null if it is null
68      */

69     public static MantaObject create(final Object JavaDoc value) {
70
71         MantaObject result = null;
72         if (value instanceof String JavaDoc) {
73             result = new MantaString((String JavaDoc) value);
74         }//if
75
else if (value instanceof Number JavaDoc) {
76             if (value instanceof Float JavaDoc || value instanceof Double JavaDoc) {
77                 result = new MantaDouble(((Number JavaDoc) value).doubleValue());
78             }//if
79
else {
80                 result = new MantaLong(((Number JavaDoc) value).longValue());
81             }//else
82
}//elseif
83
else if (value instanceof Boolean JavaDoc) {
84             if (value.equals(Boolean.TRUE)) {
85                 result = MantaBoolean.TRUE;
86             }//if
87
else {
88                 result = MantaBoolean.FALSE;
89             }//esle
90
}//elseif
91
return result;
92     }//create
93
}//MantaObjectFactory
94
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