gnu.beanfactory
Interface ScopeDictionary

public interface ScopeDictionary

Simple dictionary-style adapter interface for various key-value mapping classes (Hashtable, Request, Session, Application).

Version:

$Id: ScopeDictionary.java,v 1.12 2001/10/04 17:35:29 rschoening Exp $

Author:

Rob Schoening <rob@beanfactory.net>

Method Summary

java.lang.Object	get(java.lang.String key) Retrieves a value from the namespace by string key.
void	put(java.lang.String key, java.lang.Object val) Maps an object onto a string in the current namespace.
void	remove(java.lang.String key) Removes a key-value mapping from the namespace if one exists.

Method Detail

get

public java.lang.Object get(java.lang.String key)

Retrieves a value from the namespace by string key.

Parameters:

key - The string key

Returns:

The object mapped to the key, or null if there is no mapping

put

public void put(java.lang.String key,
                java.lang.Object val)

Maps an object onto a string in the current namespace. Please note that put(key,null) is equivalent to remove(key).

Parameters:

key - The string key

val - The object to be mapped

remove

public void remove(java.lang.String key)

Removes a key-value mapping from the namespace if one exists.

Parameters:

key - The key to remove