org.unitils.reflectionassert.comparator.impl

Class LenientDatesComparator

java.lang.Object

org.unitils.reflectionassert.comparator.impl.LenientDatesComparator

All Implemented Interfaces:

Comparator

public class LenientDatesComparator
extends Object
implements Comparator

Comparator that checks whether 2 dates are both null or not null, the actual time-value is not compared. This can be useful when the actual time/date is not known is advance but you still want to check whether a value has been set or not. E.g. a last modification timestamp in the databsse.

Author:

Tim Ducheyne, Filip Neven

Constructor Summary

Constructors

Constructor and Description
LenientDatesComparator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canCompare(Object left, Object right) Returns true if both objects are null or both objects are Date instances.
Difference	compare(Object left, Object right, boolean onlyFirstDifference, ReflectionComparator reflectionComparator) Compares the given dates.

Methods inherited from class java.lang.Object

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

Constructor Detail

LenientDatesComparator

public LenientDatesComparator()

Method Detail

canCompare

public boolean canCompare(Object left,
                 Object right)

Returns true if both objects are null or both objects are Date instances.

Specified by:

canCompare in interface Comparator

Parameters:

left - The left object

right - The right object

Returns:

True if null or dates

compare

public Difference compare(Object left,
                 Object right,
                 boolean onlyFirstDifference,
                 ReflectionComparator reflectionComparator)

Compares the given dates.

Specified by:

compare in interface Comparator

Parameters:

left - The left date

right - The right date

onlyFirstDifference - True if only the first difference should be returned

reflectionComparator - The root comparator for inner comparisons, not null

Returns:

A difference if one of the dates is null and the other one not, else null