er.extensions.foundation
Class ERXDictionaryUtilities.NSDictionaryKeyValueComparator

java.lang.Object
  com.webobjects.foundation.NSComparator
      er.extensions.foundation.ERXDictionaryUtilities.NSDictionaryKeyValueComparator

Enclosing class:

ERXDictionaryUtilities

public static class ERXDictionaryUtilities.NSDictionaryKeyValueComparator
extends NSComparator

Compares dictionary keys based on the value they are associated with. Useful for getting a list of keys in alphabetical order of their values.

Nested Class Summary

Nested classes/interfaces inherited from class com.webobjects.foundation.NSComparator

NSComparator._NSSelectorComparator, NSComparator.ComparisonException

Field Summary

Fields inherited from class com.webobjects.foundation.NSComparator

_CLASS, AscendingCaseInsensitiveStringComparator, AscendingNumberComparator, AscendingStringComparator, AscendingTimestampComparator, DescendingCaseInsensitiveStringComparator, DescendingNumberComparator, DescendingStringComparator, DescendingTimestampComparator, OrderedAscending, OrderedDescending, OrderedSame

Constructor Summary

ERXDictionaryUtilities.NSDictionaryKeyValueComparator(NSDictionary aDictionary)

Method Summary

int	compare(Object key1, Object key2)

Methods inherited from class com.webobjects.foundation.NSComparator

_compareObjects

Methods inherited from class java.lang.Object

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

Constructor Detail

ERXDictionaryUtilities.NSDictionaryKeyValueComparator

public ERXDictionaryUtilities.NSDictionaryKeyValueComparator(NSDictionary aDictionary)

Method Detail

compare

public int compare(Object key1,
                   Object key2)
            throws NSComparator.ComparisonException

Specified by:

compare in class NSComparator

Throws:

NSComparator.ComparisonException