org.apache.log4j.helpers.DateTimeDateFormat Maven / Gradle / Ivy
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file. */
package org.apache.log4j.helpers;
import java.util.Calendar;
import java.util.TimeZone;
import java.util.Date;
import java.text.FieldPosition;
import java.text.ParsePosition;
import java.text.DateFormatSymbols;
/**
Formats a {@link Date} in the format "dd MMM YYYY HH:mm:ss,SSS" for example,
"06 Nov 1994 15:49:37,459".
@author Ceki Gülcü
@since 0.7.5
*/
public class DateTimeDateFormat extends AbsoluteTimeDateFormat {
String[] shortMonths;
public
DateTimeDateFormat() {
super();
shortMonths = new DateFormatSymbols().getShortMonths();
}
public
DateTimeDateFormat(TimeZone timeZone) {
this();
setCalendar(Calendar.getInstance(timeZone));
}
/**
Appends to sbuf the date in the format "dd MMM YYYY
HH:mm:ss,SSS" for example, "06 Nov 1994 08:49:37,459".
@param sbuf the string buffer to write to
*/
public
StringBuffer format(Date date, StringBuffer sbuf,
FieldPosition fieldPosition) {
calendar.setTime(date);
int day = calendar.get(Calendar.DAY_OF_MONTH);
if(day < 10)
sbuf.append('0');
sbuf.append(day);
sbuf.append(' ');
sbuf.append(shortMonths[calendar.get(Calendar.MONTH)]);
sbuf.append(' ');
int year = calendar.get(Calendar.YEAR);
sbuf.append(year);
sbuf.append(' ');
return super.format(date, sbuf, fieldPosition);
}
/**
This method does not do anything but return null.
*/
public
Date parse(java.lang.String s, ParsePosition pos) {
return null;
}
}