org.apache.turbine.services.pull.util
Class SessionData

java.lang.Object
  org.apache.turbine.services.pull.util.SessionData

All Implemented Interfaces:

ApplicationTool

public class SessionData

extends java.lang.Object

implements ApplicationTool

Pull tool designed to be used in the session scope for storage of temporary data. This tool should eliminate the need for the User.setTemp(java.lang.String, java.lang.Object) and User.getTemp(java.lang.String) methods.

Version:

$Id: SessionData.java 534527 2007-05-02 16:10:59Z tv $

Author:

Quinton McCombs

Constructor Summary

SessionData()

Method Summary

void	clear() Clears all data
boolean	containsKey(java.lang.String key) Determines is a given key is stored.
java.lang.Object	get(java.lang.String key) Gets the data stored under the key.
void	init(java.lang.Object data) Initialize the application tool.
java.util.Iterator	iterator() Gets a iterator for the keys.
void	put(java.lang.String key, java.lang.Object value) Stores the data.
void	refresh() Refresh the application tool.

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionData

public SessionData()

Method Detail

init

public void init(java.lang.Object data)

Initialize the application tool.

Specified by:

init in interface ApplicationTool

Parameters:

data - initialization data

refresh

public void refresh()

Refresh the application tool.

Specified by:

refresh in interface ApplicationTool

get

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

Gets the data stored under the key. Null will be returned if the key does not exist or if null was stored under the key.

To check for a key with a null value use containsKey(java.lang.String).

Parameters:

key - key under which the data is stored.

Returns:

Object stored under the key.

containsKey

public boolean containsKey(java.lang.String key)

Determines is a given key is stored.

Parameters:

key - the key to check for

Returns:

true if the key was found

put

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

Stores the data. If the key already exists, the value will be overwritten.

Parameters:

key - key under which the data will be stored.

value - data to store under the key. Null values are allowed.

clear

public void clear()

Clears all data

iterator

public java.util.Iterator iterator()

Gets a iterator for the keys.

Returns:

Iterator for the keys