Package org.craftercms.commons.collections

Class MapUtils

java.lang.Object

org.craftercms.commons.collections.MapUtils

public final class MapUtils
extends Object

Utility methods for maps.

Author:

cortiz

Method Summary

Modifier and Type	Method	Description
static <K> void	add(Map<K,Object> map, K key, Object value)	Adds the value under the specified key in the map.
static Map	deepMerge(Map dst, Map src)	Deep merges two maps

Methods inherited from class java.lang.Object

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

Method Detail

deepMerge

public static Map deepMerge(Map dst,
                            Map src)

Deep merges two maps

Parameters:

dst - the map where elements will be merged into

src - the map with the elements to merge

Returns:

a deep merge of the two given maps.

add

public static <K> void add(Map<K,Object> map,
                           K key,
                           Object value)

Adds the value under the specified key in the map. If there's no value in the map with the key, the value is put as is. If there's already a value, the original and the new value are added to a collection and put under the key.

Parameters:

map - the map

key - the key

value - the value to add