net.sourceforge.rssowl.util.archive
Class ArchiveManager

java.lang.Object
  net.sourceforge.rssowl.util.archive.ArchiveManager

public class ArchiveManager
extends java.lang.Object

The ArchiveManager handles loading and saving of the archive on startup and shutdown. Its the maincontroller of the whole archive and other objects from RSSOwl access the archive through this class.

Version:

1.2.4

Author:

Benjamin Pasero

Field Summary

private Archive	archive
private org.jdom.input.SAXBuilder	builder
(package private) ArchiveIndex	index

Constructor Summary

ArchiveManager()
Instantiate a new ArchiveManager

Method Summary

java.io.File	createUniqueArchiveFile() Create a unique archive file to save an archive item
private void	deleteArchiveFile(java.lang.String fileName) Delete a file from the archive
void	flush() Sync all changes to the Archive with the File-System.
Archive	getArchive()
private boolean	isArchiveFileExisting(java.lang.String fileName) Check if the given archive file is existing
private boolean	isIndexExisting() Check if the index file is exsiting
Archive	loadArchive() Load the archive
private ArchiveItem	loadArchiveItem(java.lang.String feedurl) Load an archive item from the archive
private ArchiveIndex	loadIndex() Load the archive index
private void	saveArchive() Save all archive items
private void	saveArchiveItem(ArchiveItem archiveItem) Save an archiveitem to a unique file
private void	saveIndex() Save the archive index
void	startup() Startup process

Methods inherited from class java.lang.Object

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

Field Detail

archive

private Archive archive

builder

private org.jdom.input.SAXBuilder builder

index

ArchiveIndex index

Constructor Detail

ArchiveManager

public ArchiveManager()

Instantiate a new ArchiveManager

Method Detail

createUniqueArchiveFile

public java.io.File createUniqueArchiveFile()
                                     throws java.io.IOException

Create a unique archive file to save an archive item

Returns:

File The unique file

Throws:

java.io.IOException - If an error occurs

getArchive

public Archive getArchive()

Returns:

Returns the archive.

loadArchive

public Archive loadArchive()

Load the archive

Returns:

Archive The archive

saveArchive

private void saveArchive()

Save all archive items

flush

public void flush()

Sync all changes to the Archive with the File-System.

startup

public void startup()

Startup process

deleteArchiveFile

private void deleteArchiveFile(java.lang.String fileName)

Delete a file from the archive

Parameters:

fileName - The file to delete

isArchiveFileExisting

private boolean isArchiveFileExisting(java.lang.String fileName)

Check if the given archive file is existing

Parameters:

fileName - The name of the file

Returns:

TRUE if the file exists in the archive

isIndexExisting

private boolean isIndexExisting()

Check if the index file is exsiting

Returns:

TRUE if the archive index file exists

loadArchiveItem

private ArchiveItem loadArchiveItem(java.lang.String feedurl)

Load an archive item from the archive

Parameters:

feedurl - The URL of the feed

Returns:

ArchiveItem The archive item from the archive

loadIndex

private ArchiveIndex loadIndex()

Load the archive index

Returns:

ArchiveIndex The archive index

saveArchiveItem

private void saveArchiveItem(ArchiveItem archiveItem)

Save an archiveitem to a unique file

Parameters:

archiveItem - An archive item that contains severyl archive entries

saveIndex

private void saveIndex()

Save the archive index