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Java > Open Source Codes > freemarker > ext > beans > NumberModel


1 /*
2  * Copyright (c) 2003 The Visigoth Software Society. All rights
3  * reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  *
17  * 3. The end-user documentation included with the redistribution, if
18  * any, must include the following acknowledgement:
19  * "This product includes software developed by the
20  * Visigoth Software Society (http://www.visigoths.org/)."
21  * Alternately, this acknowledgement may appear in the software itself,
22  * if and wherever such third-party acknowledgements normally appear.
23  *
24  * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
25  * project contributors may be used to endorse or promote products derived
26  * from this software without prior written permission. For written
27  * permission, please contact visigoths@visigoths.org.
28  *
29  * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
30  * nor may "FreeMarker" or "Visigoth" appear in their names
31  * without prior written permission of the Visigoth Software Society.
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33  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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45  * ====================================================================
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47  * This software consists of voluntary contributions made by many
48  * individuals on behalf of the Visigoth Software Society. For more
49  * information on the Visigoth Software Society, please see
50  * http://www.visigoths.org/
51  */
52
53 package freemarker.ext.beans;
54
55 import freemarker.ext.util.ModelFactory;
56 import freemarker.template.ObjectWrapper;
57 import freemarker.template.TemplateModel;
58 import freemarker.template.TemplateNumberModel;
59
60 /**
61  * Wraps arbitrary subclass of {@link java.lang.Number} into a reflective model.
62  * Beside acting as a {@link TemplateNumberModel}, you can call all Java methods on
63  * these objects as well.
64  */
65 public class NumberModel
66 extends
67     BeanModel
68 implements
69     TemplateNumberModel
70 {
71     static final ModelFactory FACTORY =
72         new ModelFactory()
73         {
74             public TemplateModel create(Object JavaDoc object, ObjectWrapper wrapper)
75             {
76                 return new NumberModel((Number JavaDoc)object, (BeansWrapper)wrapper);
77             }
78         };
79     /**
80      * Creates a new model that wraps the specified number object.
81      * @param number the number object to wrap into a model.
82      * @param wrapper the {@link BeansWrapper} associated with this model.
83      * Every model has to have an associated {@link BeansWrapper} instance. The
84      * model gains many attributes from its wrapper, including the caching
85      * behavior, method exposure level, method-over-item shadowing policy etc.
86      */
87     public NumberModel(Number JavaDoc number, BeansWrapper wrapper)
88     {
89         super(number, wrapper);
90     }
91
92     public Number JavaDoc getAsNumber()
93     {
94         return (Number JavaDoc)object;
95     }
96 }
97
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