com.sciapp.filter
Class DateFilter

java.lang.Object
  com.sciapp.filter.Filter
      com.sciapp.filter.ComparisonFilter
          com.sciapp.filter.DateFilter

All Implemented Interfaces:

Serializable

public class DateFilter
extends ComparisonFilter

A date filter.

This class uses a DateComparator object to compare the Date values.

See Also:

Serialized Form

Field Summary

protected Date	date The date expression the supplied objects are matched against.
protected DateComparator	dc A Date comparator object used to compare Date values.

Fields inherited from class com.sciapp.filter.ComparisonFilter

comparison, EQ, GE, GT, LE, LT

Fields inherited from class com.sciapp.filter.Filter

acceptNull

Constructor Summary

DateFilter()
Constructs a DateFilter with an EQUAL_TO mode and with the date expression set to the current date.

DateFilter(Date date)
Constructs a DateFilter with an EQUAL_TO mode and with the date expression set to date.

Method Summary

boolean	accept(Date d) Matches the Date value supplied against the date expression of the filter.
boolean	accept(Object value) Decides whether to accept the value supplied.
Date	getDate() Returns the current date expression of the filer.
DateComparator	getDateComparator() Returns the date comparator that is used when filtering.
Object	getFilterPattern() Returns the object used as the filter pattern.
void	setDate(Date d) Sets the date expression to d.
void	setFilterPattern(Object filter) Sets an object as the filter pattern.

Methods inherited from class com.sciapp.filter.ComparisonFilter

getComparison, setComparison

Methods inherited from class com.sciapp.filter.Filter

getAcceptNull, setAcceptNull

Methods inherited from class java.lang.Object

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

Field Detail

date

protected Date date

The date expression the supplied objects are matched against.

dc

protected DateComparator dc

A Date comparator object used to compare Date values.

Constructor Detail

DateFilter

public DateFilter()

Constructs a DateFilter with an EQUAL_TO mode and with the date expression set to the current date.

DateFilter

public DateFilter(Date date)

Constructs a DateFilter with an EQUAL_TO mode and with the date expression set to date.

Method Detail

accept

public boolean accept(Object value)

Decides whether to accept the value supplied.

Specified by:

accept in class Filter

Parameters:

value - the object we want to decide if it will be filtered or not.

Returns:

true if the object matched and should not be filtered out, false otherwise.

accept

public boolean accept(Date d)

Matches the Date value supplied against the date expression of the filter.

Parameters:

d - the Date value to match

Returns:

true if the value matched

getDate

public Date getDate()

Returns the current date expression of the filer.

Returns:

the date expression.

getDateComparator

public DateComparator getDateComparator()

Returns the date comparator that is used when filtering.

Returns:

the date comparator

getFilterPattern

public Object getFilterPattern()

Returns the object used as the filter pattern.

Specified by:

getFilterPattern in class Filter

Returns:

the object that is currently set as the filter pattern.

setDate

public void setDate(Date d)

Sets the date expression to d.

Parameters:

d - the date expression

setFilterPattern

public void setFilterPattern(Object filter)

Sets an object as the filter pattern. Subclasses should provide an implementation that will probably first cast filter to the appropriate object.

Specified by:

setFilterPattern in class Filter

Parameters:

filter - the object to set as the filter pattern