sk.baka.ambient.commons
Class ObjectStorage

java.lang.Object
  sk.baka.ambient.commons.AbstractFileStorage
      sk.baka.ambient.commons.ObjectStorage

public final class ObjectStorage
extends AbstractFileStorage

Stores objects as files. The file content is composed of a serialized form of the object.

Author:

Martin Vysny

Field Summary

Fields inherited from class sk.baka.ambient.commons.AbstractFileStorage

maxStorageSize, theCache

Constructor Summary

ObjectStorage(String ext)
Creates new playlist storage.

Method Summary

boolean	contains(String name) Checks if a playlist with given name is present in the storage.
void	delete(String name) Deletes given playlist.
Serializable	loadObject(String name) Loads (deserializes) a stored playlist.
void	saveObject(String name, Serializable object) Stores (serializes) a stored playlist.

Methods inherited from class sk.baka.ambient.commons.AbstractFileStorage

cleanup, close, createFile, fetchFileAsync, getCacheFile, getCacheFileNull, getFile, getFilenameAndExt, getNames, isFull, isProceedWithDownload, onFileDownloaded, purge, registerFile, removeFile, setMaxStorageSize, supportsExtension, toURL

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectStorage

public ObjectStorage(String ext)

Creates new playlist storage.

Parameters:

ext - the extension in the form ".ext"

Method Detail

loadObject

public Serializable loadObject(String name)
                        throws IOException

Loads (deserializes) a stored playlist.

Parameters:

name - the name

Returns:

deserialized player state.

Throws:

IOException - if something happens during the deserialization.

saveObject

public void saveObject(String name,
                       Serializable object)
                throws IOException

Stores (serializes) a stored playlist.

Parameters:

name - the name

object - the object to serialize.

Throws:

IOException - if something happens during the deserialization.

contains

public boolean contains(String name)

Checks if a playlist with given name is present in the storage.

Parameters:

name - the file name

Returns:

true if such playlist is available, false otherwise.

delete

public void delete(String name)

Deletes given playlist. Does nothing if the file does not exist.

Parameters:

name - the file name