org.springframework.beans.support
Class PropertyComparator

java.lang.Object
  org.springframework.beans.support.PropertyComparator

All Implemented Interfaces:

java.util.Comparator

public class PropertyComparator

extends java.lang.Object

implements java.util.Comparator

PropertyComparator performs a comparison of two beans, using the specified bean property via a BeanWrapper.

Since:

19.05.2003

Author:

Juergen Hoeller, Jean-Pierre Pawlak

Field Summary

protected org.apache.commons.logging.Log

logger

Constructor Summary

PropertyComparator(SortDefinition sortDefinition)

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2)
static void	sort(java.util.List source, SortDefinition sortDefinition) Sorts the given List according to the given sort definition.
static void	sort(java.lang.Object[] source, SortDefinition sortDefinition) Sorts the given source according to the given sort definition.

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

Field Detail

logger

protected final org.apache.commons.logging.Log logger

Constructor Detail

PropertyComparator

public PropertyComparator(SortDefinition sortDefinition)

Method Detail

compare

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

Specified by:

compare in interface java.util.Comparator

sort

public static void sort(java.util.List source,
                        SortDefinition sortDefinition)
                 throws BeansException

Sorts the given List according to the given sort definition.

Note: Contained objects have to provide the given property in the form of a bean property, i.e. a getXXX method.

Parameters:

source - the input List

sortDefinition - the parameters to sort by

Throws:

java.lang.IllegalArgumentException - in case of a missing propertyName

BeansException

sort

public static void sort(java.lang.Object[] source,
                        SortDefinition sortDefinition)
                 throws BeansException

Sorts the given source according to the given sort definition.

Note: Contained objects have to provide the given property in the form of a bean property, i.e. a getXXX method.

Parameters:

source - input source

sortDefinition - the parameters to sort by

Throws:

java.lang.IllegalArgumentException - in case of a missing propertyName

BeansException