com.tagtraum.perf.strings
Class DifferenceDateFormat

java.lang.Object
  |
  +--java.text.Format
        |
        +--java.text.DateFormat
              |
              +--com.tagtraum.perf.strings.DifferenceDateFormat
All Implemented Interfaces:
java.lang.Cloneable, java.io.Serializable

public class DifferenceDateFormat
extends java.text.DateFormat

DateFormat that prints the difference to the first time it is used to output a date. Note: Only the format methods are functional! Date: Feb 23, 2002 Time: 5:44:23 PM

Version:
$Id: $
Author:
Hendrik Schreiber
See Also:
Serialized Form

Nested Class Summary
 
Nested classes inherited from class java.text.DateFormat
java.text.DateFormat.Field
 
Nested classes inherited from class java.text.Format
java.text.Format.Field
 
Field Summary
 
Fields inherited from class java.text.DateFormat
AM_PM_FIELD, calendar, DATE_FIELD, DAY_OF_WEEK_FIELD, DAY_OF_WEEK_IN_MONTH_FIELD, DAY_OF_YEAR_FIELD, DEFAULT, ERA_FIELD, FULL, HOUR_OF_DAY0_FIELD, HOUR_OF_DAY1_FIELD, HOUR0_FIELD, HOUR1_FIELD, LONG, MEDIUM, MILLISECOND_FIELD, MINUTE_FIELD, MONTH_FIELD, numberFormat, SECOND_FIELD, SHORT, TIMEZONE_FIELD, WEEK_OF_MONTH_FIELD, WEEK_OF_YEAR_FIELD, YEAR_FIELD
 
Constructor Summary
DifferenceDateFormat()
           
 
Method Summary
 java.lang.StringBuffer format(java.util.Date date, java.lang.StringBuffer toAppendTo, java.text.FieldPosition fieldPosition)
          The first time this method is called, the long value of the date is appended to the StringBuffer.
 java.util.Date parse(java.lang.String text, java.text.ParsePosition pos)
          Parses a String.
 
Methods inherited from class java.text.DateFormat
clone, equals, format, format, getAvailableLocales, getCalendar, getDateInstance, getDateInstance, getDateInstance, getDateTimeInstance, getDateTimeInstance, getDateTimeInstance, getInstance, getNumberFormat, getTimeInstance, getTimeInstance, getTimeInstance, getTimeZone, hashCode, isLenient, parse, parseObject, setCalendar, setLenient, setNumberFormat, setTimeZone
 
Methods inherited from class java.text.Format
format, formatToCharacterIterator, parseObject
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DifferenceDateFormat

public DifferenceDateFormat()
Method Detail

format

public java.lang.StringBuffer format(java.util.Date date,
                                     java.lang.StringBuffer toAppendTo,
                                     java.text.FieldPosition fieldPosition)
The first time this method is called, the long value of the date is appended to the StringBuffer. Every following time, the difference to the first time is appended. Positive values indicate dates after the base date.

Note that format and parse share the same base time.

Specified by:
format in class java.text.DateFormat

parse

public java.util.Date parse(java.lang.String text,
                            java.text.ParsePosition pos)
Parses a String. The first time this method is called, the String is taken as base time in ms from 1970 for all following calls. Those will be added/subtracted from the base time.

Note that format and parse share the same base time.

Specified by:
parse in class java.text.DateFormat


Copyright © 2002 Hendrik Schreiber
http://www.tagtraum.com/performance/
This software can be distributed under LGPL