/*
(c) Copyright 2005, 2006, Hewlett-Packard Development Company, LP
[See end of file]
$Id: MillisDateFormat.java,v 1.6 2007/05/07 18:45:22 rebach Exp $
*/
package com.hp.hpl.jena.gvs.impl.util.java;
import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.SimpleTimeZone;
import java.util.TimeZone;
/**
* @author reto implements http://www.w3.org/TR/NOTE-datetime with the
* limitation that it expects exactly a three digits decimal fraction of
* seconds. if a time zone designator other than 'Z' is presen it must
* contain a column
*/
public class MillisDateFormat extends DateFormat {
/**
* An instance of this class
*/
public static final MillisDateFormat instance = new MillisDateFormat();
private static final SimpleDateFormat dateFormat = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss.SSSZ");
private static final long serialVersionUID = 3258407344076372025L;
private static final TimeZone utcTZ = new SimpleTimeZone(0, "UTC");;
/**
* @see java.text.DateFormat#format(java.util.Date, java.lang.StringBuffer,
* java.text.FieldPosition)
*/
public StringBuffer format(Date date, StringBuffer toAppendTo,
FieldPosition fieldPosition) {
String string = dateFormat.format(date);
StringBuffer result = new StringBuffer(string);
result.insert(string.length() - 2, ':');
return result;
}
/**
* @see java.text.DateFormat#parse(java.lang.String,
* java.text.ParsePosition)
*/
public Date parse(String dateString, ParsePosition parsePos) {
int position = parsePos.getIndex();
int y1 = dateString.charAt(position++) - '0';
int y2 = dateString.charAt(position++) - '0';
int y3 = dateString.charAt(position++) - '0';
int y4 = dateString.charAt(position++) - '0';
int year = 1000 * y1 + 100 * y2 + 10 * y3 + y4;
position++; // skip '-'
int m1 = dateString.charAt(position++) - '0';
int m2 = dateString.charAt(position++) - '0';
int month = 10 * m1 + m2;
position++; // skip '-'
int d1 = dateString.charAt(position++) - '0';
int d2 = dateString.charAt(position++) - '0';
int day = 10 * d1 + d2;
position++; // skip 'T'
int h1 = dateString.charAt(position++) - '0';
int h2 = dateString.charAt(position++) - '0';
int hour = 10 * h1 + h2;
position++; // skip ':'
int min1 = dateString.charAt(position++) - '0';
int min2 = dateString.charAt(position++) - '0';
int minutes = 10 * min1 + min2;
position++; // skip ':'
int s1 = dateString.charAt(position++) - '0';
int s2 = dateString.charAt(position++) - '0';
int secs = 10 * s1 + s2;
position++; // skip '.'
int ms1 = dateString.charAt(position++) - '0';
int ms2 = dateString.charAt(position++) - '0';
int ms3 = dateString.charAt(position++) - '0';
int msecs = 100 * ms1 + 10 * ms2 + ms3;
Calendar resultCalendar = new GregorianCalendar(year, month - 1, day,
hour, minutes, secs);
resultCalendar.setTimeZone(utcTZ);
long timeInMillis = resultCalendar.getTimeInMillis() + msecs;
char tzd1 = dateString.charAt(position++);
if (tzd1 != 'Z') {
int htz1 = dateString.charAt(position++) - '0';
int htz2 = dateString.charAt(position++) - '0';
int hourtz = 10 * htz1 + htz2;
position++; // skip ':'
int mintz1 = dateString.charAt(position++) - '0';
int mintz2 = dateString.charAt(position++) - '0';
int minutestz = 10 * mintz1 + mintz2;
int offSetInMillis = (hourtz * 60 + minutestz) * 60000;
if (tzd1 == '+') {
timeInMillis -= offSetInMillis;
} else {
timeInMillis += offSetInMillis;
}
}
parsePos.setIndex(position);
return new Date(timeInMillis);
}
}
/*
* (c) Copyright 2005, 2006 Hewlett-Packard Development Company, LP All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/