Package musichub.business

Class MusicHub

java.lang.Object

musichub.business.MusicHub

public class MusicHub
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	ALBUMS_FILE_PATH
static String	DIR
static String	ELEMENTS_FILE_PATH
static String	PLAYLISTS_FILE_PATH

Constructor Summary

Constructors

Constructor	Description
MusicHub()

Method Summary

Modifier and Type	Method	Description
void	addAlbum(Album album)
void	addElement(AudioElement element)
void	addElementToAlbum(String elementTitle, String albumTitle)
void	addElementToPlayList(String elementTitle, String playListTitle)
void	addPlaylist(PlayList playlist)
Iterator<Album>	albums()
void	deletePlayList(String playListTitle)
Iterator<AudioElement>	elements()
List<AudioElement>	getAlbumSongs(String albumTitle)
List<Song>	getAlbumSongsSortedByGenre(String albumTitle)
String	getAlbumsTitlesSortedByDate()
String	getAudiobooksTitlesSortedByAuthor()
void	getAudioElement(List<AudioElement> audios, String elementTitle)
List<AudioElement>	getPlayListSongs(String playListTitle)	Method checking the songs contained in a chosen playlist and returning them if found.
String	getPlayListsTitles()	Method getting a list of playlists
Iterator<PlayList>	playlists()
void	saveAlbums()
void	saveElements()
void	savePlayLists()
void	searchAudioElement()

Methods inherited from class java.lang.Object

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

Field Details

DIR

public static final String DIR

ALBUMS_FILE_PATH

public static final String ALBUMS_FILE_PATH

PLAYLISTS_FILE_PATH

public static final String PLAYLISTS_FILE_PATH

ELEMENTS_FILE_PATH

public static final String ELEMENTS_FILE_PATH

Constructor Details

MusicHub

public MusicHub()

Method Details

addElement

public void addElement(AudioElement element)

addAlbum

public void addAlbum(Album album)

addPlaylist

public void addPlaylist(PlayList playlist)

deletePlayList

public void deletePlayList(String playListTitle)
                    throws NoPlayListFoundException

Throws:

NoPlayListFoundException

albums

public Iterator<Album> albums()

playlists

public Iterator<PlayList> playlists()

elements

public Iterator<AudioElement> elements()

getAlbumsTitlesSortedByDate

public String getAlbumsTitlesSortedByDate()

getAudiobooksTitlesSortedByAuthor

public String getAudiobooksTitlesSortedByAuthor()

getAlbumSongs

public List<AudioElement> getAlbumSongs(String albumTitle)
                                 throws NoAlbumFoundException

Throws:

NoAlbumFoundException

getAlbumSongsSortedByGenre

public List<Song> getAlbumSongsSortedByGenre(String albumTitle)
                                      throws NoAlbumFoundException

Throws:

NoAlbumFoundException

addElementToAlbum

public void addElementToAlbum(String elementTitle,
 String albumTitle)
                       throws NoAlbumFoundException,
NoElementFoundException

Throws:

NoAlbumFoundException

NoElementFoundException

addElementToPlayList

public void addElementToPlayList(String elementTitle,
 String playListTitle)
                          throws NoPlayListFoundException,
NoElementFoundException

Throws:

NoPlayListFoundException

NoElementFoundException

saveAlbums

public void saveAlbums()

savePlayLists

public void savePlayLists()

saveElements

public void saveElements()

getAudioElement

public void getAudioElement(List<AudioElement> audios,
 String elementTitle)
                     throws NoAlbumFoundException,
UnsupportedAudioFileException,
IOException,
LineUnavailableException

Throws:

NoAlbumFoundException

UnsupportedAudioFileException

IOException

LineUnavailableException

searchAudioElement

public void searchAudioElement()
                        throws UnsupportedAudioFileException,
NoAlbumFoundException,
LineUnavailableException,
IOException,
NoElementFoundException

Throws:

UnsupportedAudioFileException

NoAlbumFoundException

LineUnavailableException

IOException

NoElementFoundException

getPlayListsTitles

public String getPlayListsTitles()

Method getting a list of playlists

Returns:

a list of playlist titles

getPlayListSongs

public List<AudioElement> getPlayListSongs(String playListTitle)
                                    throws NoPlayListFoundException

Method checking the songs contained in a chosen playlist and returning them if found.

Parameters:

playListTitle - the title of a (chosen) playlist

Returns:

a list of songs from a playlist

Throws:

NoPlayListFoundException - if the chosen playlist doesn't exist