Spring Framework

org.springframework.expression.spel.support
Class StandardTypeComparator

java.lang.Object
  extended by org.springframework.expression.spel.support.StandardTypeComparator
All Implemented Interfaces:
TypeComparator

public class StandardTypeComparator
extends java.lang.Object
implements TypeComparator

A simple basic TypeComparator implementation. It supports comparison of numbers and types implementing Comparable.

Since:
3.0
Author:
Andy Clement, Juergen Hoeller

Constructor Summary
StandardTypeComparator()
           
 
Method Summary
 boolean canCompare(java.lang.Object left, java.lang.Object right)
          Return true if the comparator can compare these two objects
 int compare(java.lang.Object left, java.lang.Object right)
          Compare two objects.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

StandardTypeComparator

public StandardTypeComparator()
Method Detail

compare

public int compare(java.lang.Object left,
                   java.lang.Object right)
            throws SpelEvaluationException
Description copied from interface: TypeComparator
Compare two objects.

Specified by:
compare in interface TypeComparator
Parameters:
left - the first object
right - the second object
Returns:
0 if they are equal, <0 if the first is smaller than the second, or >0 if the first is larger than the second
Throws:
SpelEvaluationException

canCompare

public boolean canCompare(java.lang.Object left,
                          java.lang.Object right)
Description copied from interface: TypeComparator
Return true if the comparator can compare these two objects

Specified by:
canCompare in interface TypeComparator
Parameters:
left - the first object
right - the second object
Returns:
true if the comparator can compare these objects

Spring Framework