de.intarsys.tools.attribute

Class AttributeMap

java.lang.Object

de.intarsys.tools.attribute.AttributeMap

All Implemented Interfaces:

IAttributeSupport

public final class AttributeMap
extends Object
implements IAttributeSupport

A default implementation for IAttributeSupport. The API is "doubled" to be usable as a simple replacement for a Map.

null is not a legal key.

Constructor Summary

Constructors

Constructor and Description
AttributeMap()
AttributeMap(int initialCapacity)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
AttributeMap	copy()
Object	get(Object key)
Object	getAttribute(Object key) Get an attribute value from the context
Object[]	getKeys() The keys used in this attribute lookup map.
Object	put(Object key, Object o)
Object	remove(Object key)
Object	removeAttribute(Object key) Remove an attribute binding in the context
Object	setAttribute(Object key, Object value) Set the value of an attribute in the context

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeMap

public AttributeMap()

AttributeMap

public AttributeMap(int initialCapacity)

Method Detail

clear

public void clear()

copy

public AttributeMap copy()

get

public Object get(Object key)

getAttribute

public Object getAttribute(Object key)

Description copied from interface: IAttributeSupport

Get an attribute value from the context

Specified by:

getAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to get

Returns:

The value of the attribute key

getKeys

public Object[] getKeys()

The keys used in this attribute lookup map.

!! This is not intended to be published to client code, as this would compromise IAttributeSupport security !!

Returns:

The keys used in this attribute lookup map.

put

public Object put(Object key,
         Object o)

remove

public Object remove(Object key)

removeAttribute

public Object removeAttribute(Object key)

Description copied from interface: IAttributeSupport

Remove an attribute binding in the context

Specified by:

removeAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to remove

Returns:

The previously associated value for key

setAttribute

public Object setAttribute(Object key,
                  Object value)

Description copied from interface: IAttributeSupport

Set the value of an attribute in the context

Specified by:

setAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to set

value - the new value the attribute

Returns:

The previously associated value for key