Package com.jgoodies.common.format

Class AbstractWrappedDateFormat

java.lang.Object

java.text.Format

java.text.DateFormat

com.jgoodies.common.format.AbstractWrappedDateFormat

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

EmptyDateFormat

public abstract class AbstractWrappedDateFormat
extends DateFormat

Reduces the effort required to write custom DateFormat implementations that retain the ability to iterate through Dates with the arrow keys in formatted text fields (using an appropriate DateFormatter). This class wraps a given DateFormat and delegates most of its behavior to the delegate, except for the abstract methods format(Date, StringBuffer, FieldPosition) and parse(String, ParsePosition) that can be overridden by a subclass. For example the subclass EmptyDateFormat wraps a DateFormat but it parses the empty String and returns null where the predefined Java DateFormats throw an exception.

See Also:

• Serialized Form

Nested Class Summary

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

DateFormat.Field

Field Summary

Fields

Modifier and Type	Field	Description
protected final DateFormat	delegate	Refers to the wrapped Format that is used to forward #format and #parseObject.

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
AbstractWrappedDateFormat(DateFormat delegate)	Constructs an AbstractWrappedDateFormat that wraps the given mandatory format.

Method Summary

Modifier and Type	Method	Description
abstract StringBuffer	format(Date date, StringBuffer toAppendTo, FieldPosition pos)
AttributedCharacterIterator	formatToCharacterIterator(Object obj)
Calendar	getCalendar()
NumberFormat	getNumberFormat()
TimeZone	getTimeZone()
boolean	isLenient()
abstract Date	parse(String source, ParsePosition pos)
void	setCalendar(Calendar newCalendar)
void	setLenient(boolean lenient)
void	setNumberFormat(NumberFormat newNumberFormat)
void	setTimeZone(TimeZone zone)

Methods inherited from class java.text.DateFormat

clone, equals, format, format, getAvailableLocales, getDateInstance, getDateInstance, getDateInstance, getDateTimeInstance, getDateTimeInstance, getDateTimeInstance, getInstance, getTimeInstance, getTimeInstance, getTimeInstance, hashCode, parse, parseObject

Methods inherited from class java.text.Format

format, parseObject

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

delegate

protected final DateFormat delegate

Refers to the wrapped Format that is used to forward #format and #parseObject.

Constructor Details

AbstractWrappedDateFormat

public AbstractWrappedDateFormat(DateFormat delegate)

Constructs an AbstractWrappedDateFormat that wraps the given mandatory format.

Parameters:

delegate - the format that handles the standard cases

Throws:

NullPointerException - if delegate is null

Method Details

format

public abstract StringBuffer format(Date date,
 StringBuffer toAppendTo,
 FieldPosition pos)

Specified by:

format in class DateFormat

parse

public abstract Date parse(String source,
 ParsePosition pos)

Specified by:

parse in class DateFormat

getCalendar

public Calendar getCalendar()

Overrides:

getCalendar in class DateFormat

setCalendar

public void setCalendar(Calendar newCalendar)

Overrides:

setCalendar in class DateFormat

getNumberFormat

public NumberFormat getNumberFormat()

Overrides:

getNumberFormat in class DateFormat

setNumberFormat

public void setNumberFormat(NumberFormat newNumberFormat)

Overrides:

setNumberFormat in class DateFormat

getTimeZone

public TimeZone getTimeZone()

Overrides:

getTimeZone in class DateFormat

setTimeZone

public void setTimeZone(TimeZone zone)

Overrides:

setTimeZone in class DateFormat

isLenient

public boolean isLenient()

Overrides:

isLenient in class DateFormat

setLenient

public void setLenient(boolean lenient)

Overrides:

setLenient in class DateFormat

formatToCharacterIterator

public AttributedCharacterIterator formatToCharacterIterator(Object obj)

Overrides:

formatToCharacterIterator in class Format