com.jidesoft.comparator
Class DefaultComparator

java.lang.Object
  com.jidesoft.comparator.DefaultComparator

All Implemented Interfaces:

java.util.Comparator

public class DefaultComparator
extends java.lang.Object
implements java.util.Comparator

Badly named, this class compares objects by first converting them to Strings using the toString method.

Constructor Summary

protected

DefaultComparator() Constructor.

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compares two Objects using the toString() method as the value of each object to compare.
static DefaultComparator	getInstance() Returns ObjectComparator singleton.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

DefaultComparator

protected DefaultComparator()

Constructor.

Has protected access to prevent other clients creating instances of the class ... it is stateless so we need only one instance.

Method Detail

getInstance

public static DefaultComparator getInstance()

Returns ObjectComparator singleton.

Returns:

an instance of DefaultComparator.

compare

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

Compares two Objects using the toString() method as the value of each object to compare.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - the first object to be compared

o2 - the second object to be compared

Returns:

0 if a and b are equal, less than 0 if a < b, grater than 0 if a > b.