Package de.quantummaid.httpmaid.util

Class Maps

java.lang.Object

de.quantummaid.httpmaid.util.Maps

public final class Maps
extends Object

Method Summary

Modifier and Type	Method	Description
static <K,V> Optional<V>	getOptionally(Map<K,V> map, K key)
static <A,B> Map<A,List<B>>	mapToMultiMap(Map<A,B> map)
static <K,V> Map<K,V>	stringsToValueObjects(Map<String,String> map, Function<String,K> keyMapper, Function<String,V> valueMapper)
static <A,B,Y,Z> Map<Y,Z>	transformMap(Map<A,B> map, Function<A,Y> keyMapper, Function<B,Z> valueMapper)
static <K,V> Map<String,String>	valueObjectsToStrings(Map<K,V> map, Function<K,String> keyMapper, Function<V,String> valueMapper)

Methods inherited from class java.lang.Object

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

Method Detail

getOptionally

public static <K,V> Optional<V> getOptionally(Map<K,V> map,
                                                    K key)

stringsToValueObjects

public static <K,V> Map<K,V> stringsToValueObjects(Map<String,String> map,
                                                               Function<String,K> keyMapper,
                                                               Function<String,V> valueMapper)

valueObjectsToStrings

public static <K,V> Map<String,String> valueObjectsToStrings(Map<K,V> map,
                                                                         Function<K,String> keyMapper,
                                                                         Function<V,String> valueMapper)

mapToMultiMap

public static <A,B> Map<A,List<B>> mapToMultiMap(Map<A,B> map)

transformMap

public static <A,B,Y,Z> Map<Y,Z> transformMap(Map<A,B> map,
                                                                      Function<A,Y> keyMapper,
                                                                      Function<B,Z> valueMapper)