org.strutsme.wishlist.persistence.facade
Class WishlistPersistenceFacadeFile

java.lang.Object
  org.strutsme.wishlist.persistence.facade.AbstractWishlistPersistenceFacade
      org.strutsme.wishlist.persistence.facade.WishlistPersistenceFacadeFile

All Implemented Interfaces:

WishlistPersistenceFacade

public class WishlistPersistenceFacadeFile
extends AbstractWishlistPersistenceFacade

Implentation of the facade which uses serialiation to persist the state.

Author:

rfalke

Field Summary

static java.lang.String

STORAGE_FILE The filename of the storage file.

Fields inherited from class org.strutsme.wishlist.persistence.facade.AbstractWishlistPersistenceFacade

count, users, wishes

Constructor Summary

WishlistPersistenceFacadeFile()
Empty constructor.

Method Summary

protected void	load() Should load the data and update the instance variables.
protected void	stateChanged() Called if the state changed.

Methods inherited from class org.strutsme.wishlist.persistence.facade.AbstractWishlistPersistenceFacade

addDummyWishes, createWish, deleteWish, getDefaultUser, getUserById, getUserByName, getWishById, getWishes, saveWish

Methods inherited from class java.lang.Object

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

Field Detail

STORAGE_FILE

public static java.lang.String STORAGE_FILE

The filename of the storage file.

Constructor Detail

WishlistPersistenceFacadeFile

public WishlistPersistenceFacadeFile()
                              throws java.io.IOException,
                                     java.lang.ClassNotFoundException

Empty constructor. The exceptions require this.

Throws:

java.lang.ClassNotFoundException - if the wishes couldn't be loaded

java.io.IOException - if the wishes couldn't be loaded

Method Detail

load

protected final void load()
                   throws java.io.IOException,
                          java.lang.ClassNotFoundException

Should load the data and update the instance variables.

Specified by:

load in class AbstractWishlistPersistenceFacade

Throws:

java.io.IOException - if the wishes couldn't be loaded

java.lang.ClassNotFoundException - if the wishes couldn't be loaded

stateChanged

protected final void stateChanged()
                           throws java.io.IOException

Called if the state changed. Can be used to save it.

Specified by:

stateChanged in class AbstractWishlistPersistenceFacade

Throws:

java.io.IOException - if for example the saving failed.