sale
Class Date

java.lang.Object
  |
  +--sale.Date

public class Date

extends Object

implements Time

This class is an implementation of the Time interface.

The time is represented in the form of a simple date. The format is "dd.mm.yy".

Note: This is a very simple implementation and it is not Y2K safe!

Since:

v2.0

Version:

2.0 15/06/1999

Author:

Sven Matznick

See Also:

Serialized Form

Constructor Summary

Date()
Creates a new date with standard starting time "01.01.00".

Date(String sNewDate)
Creates a new date with the given starting time.

Method Summary

Date	getDateValue() Convert the date to a Date object.
Object	getDefaultInterval() Get the default time interval.
Object	getTime() Get the current date.
Comparable	getTimeStamp(long lStampNumber) Create and return a time stamp.
void	goAhead(Object oInterval) Increment the time by the given time interval.
void	setTime(Object oTime) Set the given date.
String	toString() Returns the current date.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Date

public Date()

Creates a new date with standard starting time "01.01.00".

Date

public Date(String sNewDate)
     throws IllegalArgumentException

Creates a new date with the given starting time.

Parameters:

sNewDate - a String representing the date to be set, format: dd.mm.yy (day.month.year)

Throws:

IllegalArgumentException - if the given String has an invalid format

Method Detail

setTime

public void setTime(Object oTime)
             throws IllegalArgumentException

Set the given date.

Override:

Never.

Specified by:

setTime in interface Time

Parameters:

oTime - a String representing the date to be set, format: dd.mm.yy (day.month.year)

Throws:

IllegalArgumentException - if the given String has an invalid format

getTime

public Object getTime()

Get the current date.

Override:

Never.

Specified by:

getTime in interface Time

Returns:

a String representing the current date

goAhead

public void goAhead(Object oInterval)
             throws IllegalArgumentException

Increment the time by the given time interval.

Override:

Never.

Specified by:

goAhead in interface Time

Parameters:

oInterval - the interval to increment time. Must be a String that gives the number of days by which to increment.

Throws:

IllegalArgumentException - if the given interval is no String or cannot be transformed into a long value.

getDefaultInterval

public Object getDefaultInterval()

Get the default time interval.

Override:

Never.

Specified by:

getDefaultInterval in interface Time

Returns:

a String describing the default time step in days (standard: "1").

getTimeStamp

public Comparable getTimeStamp(long lStampNumber)

Create and return a time stamp.

Override:

Never.

Specified by:

getTimeStamp in interface Time

Parameters:

lStampNumber - the number of the stamp

Returns:

a fresh time stamp.

toString

public String toString()

Returns the current date.

Override:

Sometimes.

Returns:

a String describing the current date

Overrides:

toString in class Object

getDateValue

public Date getDateValue()

Convert the date to a Date object. Note: As the entire sale.Date class is not Y2K compliant, this method also is not.

Returns:

The converted date.

Since:

v2.0 (06/07/2000)