biz.chitec.quarterback.util
Class StringRepresentationComparator

java.lang.Object
  biz.chitec.quarterback.util.StringRepresentationComparator

All Implemented Interfaces:

java.util.Comparator

public class StringRepresentationComparator

extends java.lang.Object

implements java.util.Comparator

Comparator which takes the objects' toString() representation for comparation.

Version:

$Id: aa5c0a9133f1f20c40ced726147458ad9a6618bb $

Author:

chitec/Dirk Hillbrecht 2002. Distributed under the terms of the GNU LGPL.

Field Summary

private static java.util.Comparator

staticinstance Static instance of this class which is preinitialized

Constructor Summary

StringRepresentationComparator()

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compare method as defined by Comparator interface
boolean	equals(java.lang.Object o1) Equality checking.
static java.util.Comparator	getStaticInstance() Returns a static preinitialized instance of this class.

Methods inherited from class java.lang.Object

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

Field Detail

staticinstance

private static final java.util.Comparator staticinstance

Static instance of this class which is preinitialized

Constructor Detail

StringRepresentationComparator

public StringRepresentationComparator()

Method Detail

getStaticInstance

public static java.util.Comparator getStaticInstance()

Returns a static preinitialized instance of this class.

Returns:

The static instance.

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compare method as defined by Comparator interface

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - First object

o2 - Second object

Returns:

negative if o1<o2, zero on equality, positive if o1>o2.

equals

public boolean equals(java.lang.Object o1)

Equality checking. Only true if parameter is exactly of the same class as this.

Specified by:

equals in interface java.util.Comparator

Parameters:

o1 - Object to be checked.

Returns:

Result of equality check.