org.apache.cocoon.forms.util
Class CombiningMap

java.lang.Object
  java.util.AbstractMap
      org.apache.cocoon.forms.util.CombiningMap

All Implemented Interfaces:

Map

public class CombiningMap
extends AbstractMap

A read-only implementation of Map that combines several other maps.

Version:

$Id: CombiningMap.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

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

Map.Entry<K,V>

Field Summary

protected List

maps

Constructor Summary

CombiningMap()

Method Summary

CombiningMap	add(Map map) Adds a Map in the combined map, with the lowest lookup priority.
boolean	containsKey(Object key)
Set	entrySet()
Object	get(Object key)

Methods inherited from class java.util.AbstractMap

clear, clone, containsValue, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, toString, values

Methods inherited from class java.lang.Object

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

Field Detail

maps

protected List maps

Constructor Detail

CombiningMap

public CombiningMap()

Method Detail

add

public CombiningMap add(Map map)

Adds a Map in the combined map, with the lowest lookup priority.

New maps cannot be added if this object was already iterated.

Parameters:

map - the new map

Returns:

this object, as a convenience to write combiner.add(map1).add(map2).add(map3)

get

public Object get(Object key)

Specified by:

get in interface Map

Overrides:

get in class AbstractMap

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

Overrides:

containsKey in class AbstractMap

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

Specified by:

entrySet in class AbstractMap