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Java > Open Source Codes > org > jfree > xml > factory > objects > SimpleDateFormatObjectDescription


1 /* ========================================================================
2  * JCommon : a free general purpose class library for the Java(tm) platform
3  * ========================================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jcommon/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * --------------------------
28  * LongObjectDescription.java
29  * --------------------------
30  * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
31  *
32  * Original Author: Thomas Morgner;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: SimpleDateFormatObjectDescription.java,v 1.3 2005/11/14 11:04:12 mungady Exp $
36  *
37  * Changes (from 19-Feb-2003)
38  * -------------------------
39  * 19-Feb-2003 : Added standard header and Javadocs (DG);
40  * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
41  *
42  */
43
44 package org.jfree.xml.factory.objects;
45
46 import java.text.DateFormatSymbols JavaDoc;
47 import java.text.NumberFormat JavaDoc;
48 import java.text.SimpleDateFormat JavaDoc;
49 import java.util.Calendar JavaDoc;
50 import java.util.Date JavaDoc;
51
52 /**
53  * An object-description for a <code>SimpleDateFormat</code> object.
54  *
55  * @author Thomas Morgner
56  */
57 public class SimpleDateFormatObjectDescription extends BeanObjectDescription {
58
59     /**
60      * Creates a new object description.
61      */
62     public SimpleDateFormatObjectDescription() {
63         this(SimpleDateFormat JavaDoc.class);
64     }
65
66     /**
67      * Creates a new object description.
68      *
69      * @param className the class.
70      */
71     public SimpleDateFormatObjectDescription(final Class JavaDoc className) {
72         this(className, true);
73     }
74
75     /**
76      * Creates a new object description.
77      *
78      * @param className the class.
79      * @param init initialise?
80      */
81     public SimpleDateFormatObjectDescription(final Class JavaDoc className, final boolean init) {
82         super(className, false);
83         setParameterDefinition("2DigitYearStart", Date JavaDoc.class);
84         setParameterDefinition("calendar", Calendar JavaDoc.class);
85         setParameterDefinition("dateFormatSymbols", DateFormatSymbols JavaDoc.class);
86         setParameterDefinition("lenient", Boolean.TYPE);
87         setParameterDefinition("numberFormat", NumberFormat JavaDoc.class);
88 // setParameterDefinition("timeZone", TimeZone.class);
89 setParameterDefinition("localizedPattern", String JavaDoc.class);
90         setParameterDefinition("pattern", String JavaDoc.class);
91         ignoreParameter("localizedPattern");
92         ignoreParameter("pattern");
93     }
94
95     /**
96      * Sets the parameters of this description object to match the supplied object.
97      *
98      * @param o the object.
99      *
100      * @throws ObjectFactoryException if there is a problem while reading the
101      * properties of the given object.
102      */
103     public void setParameterFromObject(final Object JavaDoc o)
104         throws ObjectFactoryException {
105         super.setParameterFromObject(o);
106         final SimpleDateFormat JavaDoc format = (SimpleDateFormat JavaDoc) o;
107         setParameter("localizedPattern", format.toLocalizedPattern());
108         setParameter("pattern", format.toPattern());
109     }
110
111     /**
112      * Creates an object based on this description.
113      *
114      * @return The object.
115      */
116     public Object JavaDoc createObject() {
117         final SimpleDateFormat JavaDoc format = (SimpleDateFormat JavaDoc) super.createObject();
118         if (getParameter("pattern") != null) {
119             format.applyPattern((String JavaDoc) getParameter("pattern"));
120         }
121         if (getParameter("localizedPattern") != null) {
122             format.applyLocalizedPattern((String JavaDoc) getParameter("localizedPattern"));
123         }
124         return format;
125     }
126
127 }
128
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