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 1304280 2012-03-23 11:18:01Z ilgrosso $

Nested Class Summary

Nested classes inherited from class java.util.Map

Map.Entry

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)

containsKey

public boolean containsKey(Object key)

entrySet

public Set entrySet()