net.sf.jmp3renamer
Class FileManager

java.lang.Object
  java.util.Observable
      net.sf.jmp3renamer.FileManager

All Implemented Interfaces:

Runnable

public class FileManager
extends Observable
implements Runnable

Manages the files of a selected directory and provides functions for files like extracting meta data or renaming.

Nested Class Summary

class

FileManager.SupportedFilesFilter

Field Summary

private Vector	fileFilter contains ExtendedFileFilter objects
private Vector	files contains MyFile objects
private static FileManager	instance
private Logger	logger
private ArrayList	rowObservers
private Hashtable	suffixToPlugin
private FileManager.SupportedFilesFilter	supportedFiles

Constructor Summary

private

FileManager()

Method Summary

void	addFile(File file)
void	addFilePlugin(FilePlugin plugin) To teach the FileManager how to treat a specific fileformat you have to add the according FilePlugin.
void	addObserver(Observer o) Adds an observer to the FileManager.
void	addRowObserver(RowObserver o)
private boolean	copyFile(File from, File to)
private Vector	findFiles(File dir, boolean recursive, FileFilter filter)
Vector	getFiles()
static FileManager	getInstance()
DataSet	getMetaData(MyFile file) Reads the meta data of a given file.
void	notifyObservers() After changing any file.
void	notifyRowObservers(Object o, int row, int action)
void	openDir()
void	openDir(File file, boolean recursive) Opens a directory and reads all files according to a list of filefilters.
void	removeFilePlugin(FilePlugin plugin) Removes a FilePlugin
void	removeRow(int row)
void	removeRowObserver(RowObserver o)
private void	rename() Renames all files and sets meta data.
void	resetStates()
void	run()

Methods inherited from class java.util.Observable

clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

logger

private Logger logger

rowObservers

private ArrayList rowObservers

fileFilter

private Vector fileFilter

contains ExtendedFileFilter objects

files

private Vector files

contains MyFile objects

suffixToPlugin

private Hashtable suffixToPlugin

instance

private static FileManager instance

supportedFiles

private FileManager.SupportedFilesFilter supportedFiles

Constructor Detail

FileManager

private FileManager()

Method Detail

getInstance

public static FileManager getInstance()

addFilePlugin

public void addFilePlugin(FilePlugin plugin)

To teach the FileManager how to treat a specific fileformat you have to add the according FilePlugin.

Parameters:

plugin - the FilePlugin which stands for a specific fileformat

removeFilePlugin

public void removeFilePlugin(FilePlugin plugin)

Removes a FilePlugin

Parameters:

plugin - the FilePlugin which stands for a specific fileformat

addObserver

public void addObserver(Observer o)

Adds an observer to the FileManager. If you want to have a component be up to date, you have to add it as an observer.

Overrides:

addObserver in class Observable

notifyObservers

public void notifyObservers()

After changing any file. You have to call this method in order to apply the data.

Overrides:

notifyObservers in class Observable

openDir

public void openDir()

openDir

public void openDir(File file,
                    boolean recursive)

Opens a directory and reads all files according to a list of filefilters.

Parameters:

file - the directory to open.

recursive - Process the directory recursively

See Also:

addFilePlugin(FilePlugin plugin), FileManager#addFileFilter(ExtendedFileFilter filter)

findFiles

private Vector findFiles(File dir,
                         boolean recursive,
                         FileFilter filter)

resetStates

public void resetStates()

getMetaData

public DataSet getMetaData(MyFile file)

Reads the meta data of a given file.

Parameters:

file - the file

Returns:

the meta data as an DataSet

See Also:

DataSet

run

public void run()

Specified by:

run in interface Runnable

rename

private void rename()

Renames all files and sets meta data.

getFiles

public Vector getFiles()

addRowObserver

public void addRowObserver(RowObserver o)

removeRowObserver

public void removeRowObserver(RowObserver o)

notifyRowObservers

public void notifyRowObservers(Object o,
                               int row,
                               int action)

removeRow

public void removeRow(int row)

addFile

public void addFile(File file)

copyFile

private boolean copyFile(File from,
                         File to)