org.jreform.internal
Class DefaultValueMap<K,V>

java.lang.Object
  extended by org.jreform.internal.DefaultValueMap<K,V>
All Implemented Interfaces:
Map<K,V>

 class DefaultValueMap<K,V>
extends Object
implements Map<K,V>

A map that returns a default value instead of null when a key is not found.

Author:
armandino (at) gmail.com

Nested Class Summary
 
Nested classes/interfaces inherited from interface java.util.Map
Map.Entry<K,V>
 
Field Summary
private  V defaultValue
           
private  Map<K,V> map
           
 
Constructor Summary
DefaultValueMap(Map<K,V> map, V defaultValue)
           
 
Method Summary
 void clear()
           
 boolean containsKey(Object key)
           
 boolean containsValue(Object value)
           
 Set<Map.Entry<K,V>> entrySet()
           
 boolean equals(Object o)
           
 V get(Object key)
           
 int hashCode()
           
 boolean isEmpty()
           
 Set<K> keySet()
           
 V put(K key, V value)
           
 void putAll(Map<? extends K,? extends V> t)
           
 V remove(Object key)
           
 int size()
           
 String toString()
           
 Collection<V> values()
           
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

map

private Map<K,V> map

defaultValue

private V defaultValue
Constructor Detail

DefaultValueMap

DefaultValueMap(Map<K,V> map,
                V defaultValue)
Method Detail

clear

public void clear()
Specified by:
clear in interface Map<K,V>

containsKey

public boolean containsKey(Object key)
Specified by:
containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)
Specified by:
containsValue in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()
Specified by:
entrySet in interface Map<K,V>

equals

public boolean equals(Object o)
Specified by:
equals in interface Map<K,V>
Overrides:
equals in class Object

get

public V get(Object key)
Specified by:
get in interface Map<K,V>

hashCode

public int hashCode()
Specified by:
hashCode in interface Map<K,V>
Overrides:
hashCode in class Object

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface Map<K,V>

keySet

public Set<K> keySet()
Specified by:
keySet in interface Map<K,V>

put

public V put(K key,
             V value)
Specified by:
put in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> t)
Specified by:
putAll in interface Map<K,V>

remove

public V remove(Object key)
Specified by:
remove in interface Map<K,V>

size

public int size()
Specified by:
size in interface Map<K,V>

values

public Collection<V> values()
Specified by:
values in interface Map<K,V>

toString

public String toString()
Overrides:
toString in class Object


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