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Java > Open Source Codes > org > objectweb > jac > aspects > gui > DateFormat


1 /*
2   Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com>
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU Lesser General Public License as
6   published by the Free Software Foundation; either version 2 of the
7   License, or (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12   GNU Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
18 package org.objectweb.jac.aspects.gui;
19
20 import java.text.DecimalFormat JavaDoc;
21 import java.text.ParsePosition JavaDoc;
22 import java.text.SimpleDateFormat JavaDoc;
23 import java.util.Date JavaDoc;
24 import org.objectweb.jac.core.rtti.FieldItem;
25 import org.objectweb.jac.core.rtti.MetaItem;
26 import org.objectweb.jac.core.rtti.RttiAC;
27 import org.objectweb.jac.util.Strings;
28
29 public class DateFormat implements Format {
30     protected SimpleDateFormat JavaDoc format;
31     protected FieldItem field;
32     
33     public DateFormat(FieldItem field) {
34         this.field = field;
35         format = getFormat(field);
36     }
37
38     protected SimpleDateFormat JavaDoc getFormat(FieldItem field) {
39         return new SimpleDateFormat JavaDoc(GuiAC.getDateFormat());
40     }
41     
42     public String JavaDoc format(Object JavaDoc value) {
43         return format.format(value);
44     }
45
46     public Object JavaDoc parse(String JavaDoc str, ParsePosition JavaDoc pos) {
47         return parseDate(str,pos);
48     }
49
50     public Date JavaDoc parseDate(String JavaDoc str, ParsePosition JavaDoc pos) {
51         String JavaDoc string = str.trim();
52
53         if (Strings.isEmpty(string))
54             return null;
55
56         return format.parse(str,pos);
57     }
58 }
59
60
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