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org.jfree.chart.axis

Class QuarterDateFormat

Implemented Interfaces:
Cloneable, Serializable
public class QuarterDateFormat
extends DateFormat
implements Cloneable, Serializable
A formatter that formats dates to show the year and quarter (for example, '2004 IV' for the last quarter of 2004.

Field Summary

static String[]
REGULAR_QUARTERS
Symbols for regular quarters.
static String[]
ROMAN_QUARTERS
Symbols for roman numbered quarters.

Constructor Summary

QuarterDateFormat()
Creates a new instance for the default time zone.
QuarterDateFormat(TimeZone zone)
Creates a new instance for the specified time zone.
QuarterDateFormat(TimeZone zone, String[] quarterSymbols)
Creates a new instance for the specified time zone.

Method Summary

boolean
equals(Object obj)
Tests this formatter for equality with an arbitrary object.
StringBuffer
format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition)
Formats the given date.
Date
parse(String source, ParsePosition pos)
Parses the given string (not implemented).

Field Details

REGULAR_QUARTERS

public static final String[] REGULAR_QUARTERS
Symbols for regular quarters.

ROMAN_QUARTERS

public static final String[] ROMAN_QUARTERS
Symbols for roman numbered quarters.

Constructor Details

QuarterDateFormat

public QuarterDateFormat()
Creates a new instance for the default time zone.

QuarterDateFormat

public QuarterDateFormat(TimeZone zone)
Creates a new instance for the specified time zone.
Parameters:
zone - the time zone (null not permitted).

QuarterDateFormat

public QuarterDateFormat(TimeZone zone,
                         String[] quarterSymbols)
Creates a new instance for the specified time zone.
Parameters:
zone - the time zone (null not permitted).
quarterSymbols - the quarter symbols.

Method Details

equals

public boolean equals(Object obj)
Tests this formatter for equality with an arbitrary object.
Parameters:
obj - the object.
Returns:
A boolean.

format

public StringBuffer format(Date date,
                           StringBuffer toAppendTo,
                           FieldPosition fieldPosition)
Formats the given date.
Parameters:
date - the date.
toAppendTo - the string buffer.
fieldPosition - the field position.
Returns:
The formatted date.

parse

public Date parse(String source,
                  ParsePosition pos)
Parses the given string (not implemented).
Parameters:
source - the date string.
pos - the parse position.
Returns:
null, as this method has not been implemented.

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