org.springframework.util

Class CollectionUtils.MultiValueMapAdapter<K,V>

java.lang.Object

org.springframework.util.CollectionUtils.MultiValueMapAdapter<K,V>

All Implemented Interfaces:

java.io.Serializable, java.util.Map<K,java.util.List<V>>, MultiValueMap<K,V>

Enclosing class:

CollectionUtils

private static class CollectionUtils.MultiValueMapAdapter<K,V>
extends java.lang.Object
implements MultiValueMap<K,V>, java.io.Serializable

Adapts a Map to the MultiValueMap contract.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<K,java.util.List<V>>	map

Constructor Summary

Constructors

Constructor and Description
MultiValueMapAdapter(java.util.Map<K,java.util.List<V>> map)

Method Summary

Modifier and Type	Method and Description
void	add(K key, V value) Add the given single value to the current list of values for the given key.
void	addAll(K key, java.util.List<? extends V> values) Add all the values of the given list to the current list of values for the given key.
void	addAll(MultiValueMap<K,V> values) Add all the values of the given MultiValueMap to the current values.
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<K,java.util.List<V>>>	entrySet()
boolean	equals(java.lang.Object other)
java.util.List<V>	get(java.lang.Object key)
V	getFirst(K key) Return the first value for the given key.
int	hashCode()
boolean	isEmpty()
java.util.Set<K>	keySet()
java.util.List<V>	put(K key, java.util.List<V> value)
void	putAll(java.util.Map<? extends K,? extends java.util.List<V>> map)
java.util.List<V>	remove(java.lang.Object key)
void	set(K key, V value) Set the given single value under the given key.
void	setAll(java.util.Map<K,V> values) Set the given values under.
int	size()
java.util.Map<K,V>	toSingleValueMap() Returns the first values contained in this MultiValueMap.
java.lang.String	toString()
java.util.Collection<java.util.List<V>>	values()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

map

private final java.util.Map<K,java.util.List<V>> map

Constructor Detail

MultiValueMapAdapter

public MultiValueMapAdapter(java.util.Map<K,java.util.List<V>> map)

Method Detail

getFirst

@Nullable
public V getFirst(K key)

Description copied from interface: MultiValueMap

Return the first value for the given key.

Specified by:

getFirst in interface MultiValueMap<K,V>

Parameters:

key - the key

Returns:

the first value for the specified key, or null if none

add

public void add(K key,
                @Nullable
                V value)

Description copied from interface: MultiValueMap

Add the given single value to the current list of values for the given key.

Specified by:

add in interface MultiValueMap<K,V>

Parameters:

key - the key

value - the value to be added

addAll

public void addAll(K key,
                   java.util.List<? extends V> values)

Description copied from interface: MultiValueMap

Add all the values of the given list to the current list of values for the given key.

Specified by:

addAll in interface MultiValueMap<K,V>

Parameters:

key - they key

values - the values to be added

addAll

public void addAll(MultiValueMap<K,V> values)

Description copied from interface: MultiValueMap

Add all the values of the given MultiValueMap to the current values.

Specified by:

addAll in interface MultiValueMap<K,V>

Parameters:

values - the values to be added

set

public void set(K key,
                @Nullable
                V value)

Description copied from interface: MultiValueMap

Set the given single value under the given key.

Specified by:

set in interface MultiValueMap<K,V>

Parameters:

key - the key

value - the value to set

setAll

public void setAll(java.util.Map<K,V> values)

Description copied from interface: MultiValueMap

Set the given values under.

Specified by:

setAll in interface MultiValueMap<K,V>

Parameters:

values - the values.

toSingleValueMap

public java.util.Map<K,V> toSingleValueMap()

Description copied from interface: MultiValueMap

Returns the first values contained in this MultiValueMap.

Specified by:

toSingleValueMap in interface MultiValueMap<K,V>

Returns:

a single value representation of this map

size

public int size()

Specified by:

size in interface java.util.Map<K,java.util.List<V>>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<K,java.util.List<V>>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<K,java.util.List<V>>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<K,java.util.List<V>>

get

public java.util.List<V> get(java.lang.Object key)

Specified by:

get in interface java.util.Map<K,java.util.List<V>>

put

public java.util.List<V> put(K key,
                             java.util.List<V> value)

Specified by:

put in interface java.util.Map<K,java.util.List<V>>

remove

public java.util.List<V> remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,java.util.List<V>>

putAll

public void putAll(java.util.Map<? extends K,? extends java.util.List<V>> map)

Specified by:

putAll in interface java.util.Map<K,java.util.List<V>>

clear

public void clear()

Specified by:

clear in interface java.util.Map<K,java.util.List<V>>

keySet

public java.util.Set<K> keySet()

Specified by:

keySet in interface java.util.Map<K,java.util.List<V>>

values

public java.util.Collection<java.util.List<V>> values()

Specified by:

values in interface java.util.Map<K,java.util.List<V>>

entrySet

public java.util.Set<java.util.Map.Entry<K,java.util.List<V>>> entrySet()

Specified by:

entrySet in interface java.util.Map<K,java.util.List<V>>

equals

public boolean equals(java.lang.Object other)

Specified by:

equals in interface java.util.Map<K,java.util.List<V>>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Map<K,java.util.List<V>>

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object