org.unitils.reflectionassert.comparator.impl
Class LenientNumberComparator

java.lang.Object
  org.unitils.reflectionassert.comparator.impl.LenientNumberComparator

All Implemented Interfaces:

Comparator

public class LenientNumberComparator
extends Object
implements Comparator

A comparator that compares primitive types by value and not by type. You can for example compare a double with an integer value.

Author:

Tim Ducheyne, Filip Neven

Constructor Summary

LenientNumberComparator()

Method Summary

boolean	canCompare(Object left, Object right) Returns true if both objects are not null and instances of Number or Character.
Difference	compare(Object left, Object right, boolean onlyFirstDifference, ReflectionComparator reflectionComparator) Compares the two values by converting them to a double and comparing these double values.

Methods inherited from class java.lang.Object

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

Constructor Detail

LenientNumberComparator

public LenientNumberComparator()

Method Detail

canCompare

public boolean canCompare(Object left,
                          Object right)

Returns true if both objects are not null and instances of Number or Character.

Specified by:

canCompare in interface Comparator

Parameters:

left - The left object

right - The right object

Returns:

True for Numbers and Charaters

compare

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

Compares the two values by converting them to a double and comparing these double values.

Specified by:

compare in interface Comparator

Parameters:

left - The left Number or Character, not null

right - The right Number or Character, not null

onlyFirstDifference - True if only the first difference should be returned

reflectionComparator - The root comparator for inner comparisons, not null

Returns:

A difference if the values are different, null otherwise