Package org.javlo.helper

Class MapHelper

java.lang.Object

org.javlo.helper.MapHelper

public class MapHelper
extends Object

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)
static <K,V extends Comparable<? super V>> Map<K,V>	sameSorting(Map<K,V> map, Map<K,V> reference)	sort map with the same sorting than other map and remove key not found in reference.
static <V extends Comparable<? super V>> Map<String,V>	sameSortingNormilized(Map<String,V> map, Map<String,V> reference)	sort map with the same sorting than other map and remove key not found in reference.
static <K,V extends Comparable<? super V>> Map<K,V>	sortByValue(Map<K,V> map)
static <K,V extends Comparable<? super V>> Map<K,V>	sortByValue(Map<K,V> map, boolean ascending)	sort map on value

Methods inherited from class java.lang.Object

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

Method Detail

sortByValue

public static <K,V extends Comparable<? super V>> Map<K,V> sortByValue(Map<K,V> map)

sortByValue

public static <K,V extends Comparable<? super V>> Map<K,V> sortByValue(Map<K,V> map,
                                                                                   boolean ascending)

sort map on value

Type Parameters:

K -

V -

Parameters:

map -

ascending -

Returns:

a ordered map sorted on value

sameSorting

public static <K,V extends Comparable<? super V>> Map<K,V> sameSorting(Map<K,V> map,
                                                                                   Map<K,V> reference)

sort map with the same sorting than other map and remove key not found in reference.

Type Parameters:

K -

V -

Parameters:

map - map to sort

reference - ordered map with key order reference

Returns:

new ordered map with same order than reference

sameSortingNormilized

public static <V extends Comparable<? super V>> Map<String,V> sameSortingNormilized(Map<String,V> map,
                                                                                          Map<String,V> reference)

sort map with the same sorting than other map and remove key not found in reference.

Type Parameters:

String -

V -

Parameters:

map - map to sort

reference - ordered map with key order reference

Returns:

new ordered map with same order than reference

main

public static void main(String[] args)