001    /*
002      Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com>
003    
004      This program is free software; you can redistribute it and/or modify
005      it under the terms of the GNU Lesser General Public License as
006      published by the Free Software Foundation; either version 2 of the
007      License, or (at your option) any later version.
008    
009      This program is distributed in the hope that it will be useful,
010      but WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012      GNU Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public License
015      along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
017    
018    package org.objectweb.jac.aspects.gui;
019    
020    import java.text.DecimalFormat;
021    import java.text.ParsePosition;
022    import java.text.SimpleDateFormat;
023    import java.util.Date;
024    import org.objectweb.jac.core.rtti.FieldItem;
025    import org.objectweb.jac.core.rtti.MetaItem;
026    import org.objectweb.jac.core.rtti.RttiAC;
027    import org.objectweb.jac.util.Strings;
028    
029    public class DateFormat implements Format {
030        protected SimpleDateFormat format;
031        protected FieldItem field;
032        
033        public DateFormat(FieldItem field) {
034            this.field = field;
035            format = getFormat(field);
036        }
037    
038        protected SimpleDateFormat getFormat(FieldItem field) {
039            return new SimpleDateFormat(GuiAC.getDateFormat());
040        }
041        
042        public String format(Object value) {
043            return format.format(value);
044        }
045    
046        public Object parse(String str, ParsePosition pos) {
047            return parseDate(str,pos);
048        }
049    
050        public Date parseDate(String str, ParsePosition pos) {
051            String string = str.trim();
052    
053            if (Strings.isEmpty(string))
054                return null;
055    
056            return format.parse(str,pos);
057        }
058    }
059