net.magik6k.jwwf.core

Class UserData

java.lang.Object

net.magik6k.jwwf.core.UserData

public class UserData
extends java.lang.Object

Utility mechanism that allows app creator to save user data on his/her computer. Data is stored using WebStorage, allowing storage of up to 5MiB by default.

Constructor Summary

Constructors

Constructor and Description
UserData(User user)

Method Summary

Methods

Modifier and Type	Method and Description
void	get(java.lang.String key, UserDataHandler handler) Gets userData string. if data exists in cache the callback is fired immediately, if not async request is sent to user.
java.lang.String	getCached(java.lang.String key) Gets userData from cache, if userData is not cached(i.e. has not been requested, or set earlier) null will be returned.
protected void	recvData(java.lang.String key, java.lang.String value)
void	set(java.lang.String key, java.lang.String value) Sets userData for user, data is set in cache and sent to user

Methods inherited from class java.lang.Object

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

Constructor Detail

UserData

public UserData(User user)

Method Detail

get

public void get(java.lang.String key,
       UserDataHandler handler)

Gets userData string. if data exists in cache the callback is fired immediately, if not async request is sent to user. If user don't have requested data, the callback won't be triggered

Parameters:

key - Requested key

handler - Handler to be invoked when data arrives

getCached

public java.lang.String getCached(java.lang.String key)

Gets userData from cache, if userData is not cached(i.e. has not been requested, or set earlier) null will be returned.

Parameters:

key - Requested key

Returns:

Requested value or null if not in cache

set

public void set(java.lang.String key,
       java.lang.String value)

Sets userData for user, data is set in cache and sent to user

Parameters:

key - Name of value

value - Data to be set

recvData

protected void recvData(java.lang.String key,
            java.lang.String value)