Package org.jfree.chart.axis

Class MonthDateFormat

java.lang.Object

java.text.Format

java.text.DateFormat

org.jfree.chart.axis.MonthDateFormat

All Implemented Interfaces:

Serializable, Cloneable

public class MonthDateFormat
extends DateFormat

A formatter that formats dates to show the initial letter(s) of the month name and, as an option, the year for the first or last month of each year.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.text.DateFormat

DateFormat.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

Constructors

Constructor	Description
MonthDateFormat()	Creates a new instance for the default time zone.
MonthDateFormat(Locale locale)	Creates a new instance for the specified time zone.
MonthDateFormat(Locale locale, int chars)	Creates a new instance for the specified time zone.
MonthDateFormat(TimeZone zone)	Creates a new instance for the specified time zone.
MonthDateFormat(TimeZone zone, int chars)	Creates a new instance for the specified time zone.
MonthDateFormat(TimeZone zone, Locale locale, int chars, boolean[] showYear, DateFormat yearFormatter)	Creates a new formatter.
MonthDateFormat(TimeZone zone, Locale locale, int chars, boolean showYearForJan, boolean showYearForDec)	Creates a new formatter.

Method Summary

Modifier and Type	Method	Description
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).

Methods inherited from class java.text.DateFormat

clone, 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 Details

MonthDateFormat

public MonthDateFormat()

Creates a new instance for the default time zone.

MonthDateFormat

public MonthDateFormat(TimeZone zone)

Creates a new instance for the specified time zone.

Parameters:

zone - the time zone (null not permitted).

MonthDateFormat

public MonthDateFormat(Locale locale)

Creates a new instance for the specified time zone.

Parameters:

locale - the locale used to obtain the month names (null not permitted).

MonthDateFormat

public MonthDateFormat(TimeZone zone,
 int chars)

Creates a new instance for the specified time zone.

Parameters:

zone - the time zone (null not permitted).

chars - the maximum number of characters to use from the month names (that are obtained from the date symbols of the default locale). If this value is <= 0, the entire month name is used in each case.

MonthDateFormat

public MonthDateFormat(Locale locale,
 int chars)

Creates a new instance for the specified time zone.

Parameters:

locale - the locale (null not permitted).

chars - the maximum number of characters to use from the month names (that are obtained from the date symbols of the default locale). If this value is <= 0, the entire month name is used in each case.

MonthDateFormat

public MonthDateFormat(TimeZone zone,
 Locale locale,
 int chars,
 boolean showYearForJan,
 boolean showYearForDec)

Creates a new formatter.

Parameters:

zone - the time zone used to extract the month and year from dates passed to this formatter (null not permitted).

locale - the locale used to determine the month names (null not permitted).

chars - the maximum number of characters to use from the month names, or zero to indicate that the entire month name should be used.

showYearForJan - a flag that controls whether or not the year is appended to the symbol for the first month of each year.

showYearForDec - a flag that controls whether or not the year is appended to the symbol for the last month of each year.

MonthDateFormat

public MonthDateFormat(TimeZone zone,
 Locale locale,
 int chars,
 boolean[] showYear,
 DateFormat yearFormatter)

Creates a new formatter.

Parameters:

zone - the time zone used to extract the month and year from dates passed to this formatter (null not permitted).

locale - the locale used to determine the month names (null not permitted).

chars - the maximum number of characters to use from the month names, or zero to indicate that the entire month name should be used.

showYear - an array of flags that control whether or not the year is displayed for a particular month.

yearFormatter - the year formatter.

Method Details

format

public StringBuffer format(Date date,
 StringBuffer toAppendTo,
 FieldPosition fieldPosition)

Formats the given date.

Specified by:

format in class DateFormat

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).

Specified by:

parse in class DateFormat

Parameters:

source - the date string.

pos - the parse position.

Returns:

null, as this method has not been implemented.

equals

public boolean equals(Object obj)

Tests this formatter for equality with an arbitrary object.

Overrides:

equals in class DateFormat

Parameters:

obj - the object.

Returns:

A boolean.