com.jgoodies.common.format

Class AbstractWrappedDateFormat

java.lang.Object

java.text.Format

java.text.DateFormat

com.jgoodies.common.format.AbstractWrappedDateFormat

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

EmptyDateFormat

public abstract class AbstractWrappedDateFormat
extends java.text.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.

Version:

$Revision: 1.7 $

Author:

Karsten Lentzsch

See Also:

Serialized Form

Nested Class Summary

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

java.text.DateFormat.Field

Field Summary

Fields

Modifier and Type	Field and Description
protected java.text.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 and Description
AbstractWrappedDateFormat(java.text.DateFormat delegate) Constructs an AbstractWrappedDateFormat that wraps the given mandatory format.

Method Summary

Methods

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

delegate

protected final java.text.DateFormat delegate

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

Constructor Detail

AbstractWrappedDateFormat

public AbstractWrappedDateFormat(java.text.DateFormat delegate)

Constructs an AbstractWrappedDateFormat that wraps the given mandatory format.

Parameters:

delegate - the format that handles the standard cases

Throws:

java.lang.NullPointerException - if delegate is null

Method Detail

format

public abstract java.lang.StringBuffer format(java.util.Date date,
                            java.lang.StringBuffer toAppendTo,
                            java.text.FieldPosition pos)

Specified by:

format in class java.text.DateFormat

parse

public abstract java.util.Date parse(java.lang.String source,
                   java.text.ParsePosition pos)

Specified by:

parse in class java.text.DateFormat

getCalendar

public java.util.Calendar getCalendar()

Overrides:

getCalendar in class java.text.DateFormat

setCalendar

public void setCalendar(java.util.Calendar newCalendar)

Overrides:

setCalendar in class java.text.DateFormat

getNumberFormat

public java.text.NumberFormat getNumberFormat()

Overrides:

getNumberFormat in class java.text.DateFormat

setNumberFormat

public void setNumberFormat(java.text.NumberFormat newNumberFormat)

Overrides:

setNumberFormat in class java.text.DateFormat

getTimeZone

public java.util.TimeZone getTimeZone()

Overrides:

getTimeZone in class java.text.DateFormat

setTimeZone

public void setTimeZone(java.util.TimeZone zone)

Overrides:

setTimeZone in class java.text.DateFormat

isLenient

public boolean isLenient()

Overrides:

isLenient in class java.text.DateFormat

setLenient

public void setLenient(boolean lenient)

Overrides:

setLenient in class java.text.DateFormat

formatToCharacterIterator

public java.text.AttributedCharacterIterator formatToCharacterIterator(java.lang.Object obj)

Overrides:

formatToCharacterIterator in class java.text.Format