Net2map - Technical documentation

00001 /*
00002  * Date.java
00003  *
00004  * Created on 19 mars 2003, 13:38
00005  *  
00006  *  Copyright (C) 2003 Philippe MOULIN
00007  *  www.net2map.org
00008  *
00009  *  This program is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  as published by the Free Software Foundation; either version 2
00012  *  of the License, or (at your option) any later version.
00013  *
00014  *  This program is distributed in the hope that it will be useful,
00015  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  *  GNU Lesser General Public License for more details.
00018  *
00019  *  You should have received a copy of the GNU General Public License
00020  *  along with this program; if not, write to the Free Software
00021  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00022  */
00023 package org.net2map.pov.dimension.date;
00024 
00028 public class DateValue 
00029        extends org.net2map.pov.dimension.Value
00030 {
00031         
00032     private static org.apache.log4j.Logger logger = 
00033     org.apache.log4j.Logger.getLogger(DateValue.class.getName());
00035     private java.util.Calendar theDate;
00037     public DateValue()
00038     {
00039         logger.setLevel((org.apache.log4j.Level)org.apache.log4j.Priority.DEBUG);
00040         logger.warn("Creating...");
00041         theDate =  java.util.Calendar.getInstance ();
00042         theDate.setTimeInMillis ( (long)0 );
00043         theDate.set (1970,1,1,0,0,0);
00044         logger.warn("...Created");
00045     }
00046     
00047     public DateValue(java.util.Date paramInitializer)
00048     {
00049         logger.setLevel((org.apache.log4j.Level)org.apache.log4j.Priority.DEBUG);
00050         logger.warn("Creating...");
00051         theDate =  java.util.Calendar.getInstance ();
00052         theDate.setTimeInMillis ( (long)0 );
00053         theDate.setTime(paramInitializer);
00054         logger.warn("...Created");
00055     }
00056     
00061     public void setValue ( java.util.Calendar newValue )
00062     {
00063         System.out.println( "Changing date from " + 
00064                             theDate.get ( java.util.Calendar.YEAR ) +
00065                             "/" + 
00066                             theDate.get ( java.util.Calendar.MONTH ) +
00067                             "/" + 
00068                             theDate.get ( java.util.Calendar.DATE ) +
00069                             " to " +
00070                             newValue.get( java.util.Calendar.YEAR ) +
00071                             "/" +
00072                             newValue.get ( java.util.Calendar.MONTH ) +
00073                             "/" +
00074                             newValue.get (java.util.Calendar.DATE ) );
00075         
00076         theDate.set ( newValue.get ( java.util.Calendar.YEAR  ),
00077                       newValue.get ( java.util.Calendar.MONTH ),
00078                       newValue.get ( java.util.Calendar.DATE  ),
00079                       0, //hour
00080                       0, //minute
00081                       0  //second
00082                       );
00083  
00084     }
00085     
00086     public void setValue(java.util.Date newValue)
00087     {
00088         theDate.setTime(newValue);
00089     }
00090     public void setValue(String newValue)
00091     {
00092         theDate.setTimeInMillis(Long.parseLong(newValue));
00093     }
00094     
00099     public long toLong()
00100     {
00101         return ( theDate.getTimeInMillis () );
00102     }
00103     
00108     public String toString()
00109     {
00110         return ( "" + 
00111                  theDate.get ( java.util.Calendar.DATE ) +
00112                  "/" + 
00113                  theDate.get ( java.util.Calendar.MONTH ) +
00114                  "/" + 
00115                  theDate.get ( java.util.Calendar.YEAR ));
00116     }
00117     
00118     public java.util.Date toDate()
00119     {
00120         return theDate.getTime();
00121     }
00122     
00123     public int compareTo(java.util.Date anotherDate)
00124     {
00125         return(toDate().compareTo(anotherDate));
00126     }
00127 }
DateValue.java
