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


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.
32  *
33  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36  * DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
37  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44  * SUCH DAMAGE.
45  * ====================================================================
46  *
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 java.util.Date JavaDoc;
56
57 import freemarker.ext.util.ModelFactory;
58 import freemarker.template.ObjectWrapper;
59 import freemarker.template.TemplateDateModel;
60 import freemarker.template.TemplateModel;
61
62 /**
63  * Wraps arbitrary subclass of {@link java.util.Date} into a reflective model.
64  * Beside acting as a {@link TemplateDateModel}, you can call all Java methods
65  * on these objects as well.
66  */
67 public class DateModel
68 extends
69     BeanModel
70 implements
71     TemplateDateModel
72 {
73     static final ModelFactory FACTORY =
74         new ModelFactory()
75         {
76             public TemplateModel create(Object JavaDoc object, ObjectWrapper wrapper)
77             {
78                 return new DateModel((Date JavaDoc)object, (BeansWrapper)wrapper);
79             }
80         };
81
82     private final int type;
83     
84     /**
85      * Creates a new model that wraps the specified date object.
86      * @param date the date object to wrap into a model.
87      * @param wrapper the {@link BeansWrapper} associated with this model.
88      * Every model has to have an associated {@link BeansWrapper} instance. The
89      * model gains many attributes from its wrapper, including the caching
90      * behavior, method exposure level, method-over-item shadowing policy etc.
91      */
92     public DateModel(Date JavaDoc date, BeansWrapper wrapper)
93     {
94         super(date, wrapper);
95         if(date instanceof java.sql.Date JavaDoc) {
96             type = DATE;
97         }
98         else if(date instanceof java.sql.Time JavaDoc) {
99             type = TIME;
100         }
101         else if(date instanceof java.sql.Timestamp JavaDoc) {
102             type = DATETIME;
103         }
104         else {
105             type = wrapper.getDefaultDateType();
106         }
107     }
108
109     public Date JavaDoc getAsDate() {
110         return (Date JavaDoc)object;
111     }
112
113     public int getDateType() {
114         return type;
115     }
116 }
117
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