Class jMusicHub

java.lang.Object

jMusicHub

public class jMusicHub
extends java.lang.Object

The jMusicHub class is our main component. It's basically the app we use to launch the whole process.

Since:

2020-11-13

Constructor Summary

Constructors

Constructor and Description
jMusicHub() Constructor method, it is calling every methods and contains the command prompt.

Method Summary

Modifier and Type	Method and Description
static Album	addAlbum(java.util.Scanner scan) addAlbum is used to add albums thanks to the "a" option.
static AudioBook	addAudioBook(java.util.Scanner scan) addAudioBook is used to add songs thanks to the "l" option.
static Playlist	addPlaylist(java.util.Scanner scan, java.util.ArrayList<Song> songs, java.util.ArrayList<AudioBook> audiobooks) addPlaylist is used to add playlist thanks to the "p" option.
static Song	addSong(java.util.Scanner scan) addSong is used to add songs thanks to the "c" option.
static void	addSongToAlbum(java.util.Scanner scan, java.util.ArrayList<Album> albums, java.util.ArrayList<Song> songs) addSongToAlbum is called by the "+" command in order to add a song to an album.
static void	contentOfAlbum(java.util.ArrayList<Album> albums) contentOfAlbum is called by the "AC" command in order to display the content of a chosen album.
static void	contentOfPlaylist(java.util.ArrayList<Playlist> playlists) contentOfPlaylist is called by the "PC" command in order to display the content of a chosen playlist.
static java.util.ArrayList<Playlist>	delPlaylist(java.util.ArrayList<Playlist> playlists) delPlaylist is called by the "-" command in order to delete a playlist.
static java.util.ArrayList	extract(java.lang.String filename) Extract is used to print the content of the files and put them in the ArrayList used to add elements.
static void	listAlbumsByDate() listAlbumsByDate is called by the "AD" command in order to list the albums sorted by the date of release.
static void	listAlbumsByGenre() listAlbumsByGenre is called by the "AG" command in order to list the albums sorted by the genre of their songs.
static void	listAudioBooksByAuthor() listAudioBooksByAuthor is called by the "BA" command in order to list the audiobooks sorted by authors.
static void	listById(java.lang.String filename) list is called when using the "AB", "S", "A" and "P" commands in order to list the elements in respective files.
static void	listPlaylistsByName() listPlaylistsByName is called when using the "PN" command in order to list the playlists sorted by their name.
static void	main(java.lang.String[] args) The main method is used to launch the app.
static void	save(java.lang.String filename, java.util.ArrayList elements) save is used by the command "s".

Methods inherited from class java.lang.Object

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

Constructor Detail

jMusicHub

public jMusicHub()

Constructor method, it is calling every methods and contains the command prompt.

See Also:

Song, AudioBook, Album, Playlist, Genre, Category, Language

Method Detail

addSong

public static Song addSong(java.util.Scanner scan)

addSong is used to add songs thanks to the "c" option. It prompts to the user a series of interrogations, asks to confirm. A new song is then created and returned.

Parameters:

scan - Scanner

Returns:

newSong Song

See Also:

Song

addAudioBook

public static AudioBook addAudioBook(java.util.Scanner scan)

addAudioBook is used to add songs thanks to the "l" option. It prompts to the user a series of interrogations, asks to confirm. A new audiobook is then created and returned.

Parameters:

scan - Scanner

Returns:

newAudioBook AudioBook

See Also:

AudioBook

addAlbum

public static Album addAlbum(java.util.Scanner scan)

addAlbum is used to add albums thanks to the "a" option. It prompts to the user a series of interrogations, asks to confirm. A new album is then created and returned.

Parameters:

scan - Scanner

Returns:

newAlbum Album

See Also:

Album

addPlaylist

public static Playlist addPlaylist(java.util.Scanner scan,
                                   java.util.ArrayList<Song> songs,
                                   java.util.ArrayList<AudioBook> audiobooks)

addPlaylist is used to add playlist thanks to the "p" option. It prompts to the user a series of interrogations, asks to confirm. A new playlist is then created and returned.

Parameters:

scan - Scanner

songs - ArrayList

audiobooks - ArrayList

Returns:

newPlaylist Playlist

See Also:

Playlist

save

public static void save(java.lang.String filename,
                        java.util.ArrayList elements)

save is used by the command "s". It is used to serialize (save) arrays of a list into the type's file.

Parameters:

filename - String

elements - ArrayList

listById

public static void listById(java.lang.String filename)

list is called when using the "AB", "S", "A" and "P" commands in order to list the elements in respective files.

Parameters:

filename - String

listPlaylistsByName

public static void listPlaylistsByName()

listPlaylistsByName is called when using the "PN" command in order to list the playlists sorted by their name. To achieve that, I had to put names in uppercase with getName from Playlist.

See Also:

Playlist.getName()

listAlbumsByDate

public static void listAlbumsByDate()

listAlbumsByDate is called by the "AD" command in order to list the albums sorted by the date of release.

listAlbumsByGenre

public static void listAlbumsByGenre()

listAlbumsByGenre is called by the "AG" command in order to list the albums sorted by the genre of their songs.

See Also:

Album.getGenre()

listAudioBooksByAuthor

public static void listAudioBooksByAuthor()

listAudioBooksByAuthor is called by the "BA" command in order to list the audiobooks sorted by authors.

extract

public static java.util.ArrayList extract(java.lang.String filename)

Extract is used to print the content of the files and put them in the ArrayList used to add elements.

Parameters:

filename - String

Returns:

ArrayList

addSongToAlbum

public static void addSongToAlbum(java.util.Scanner scan,
                                  java.util.ArrayList<Album> albums,
                                  java.util.ArrayList<Song> songs)

addSongToAlbum is called by the "+" command in order to add a song to an album.

Parameters:

scan - Scanner

albums - ArrayList

songs - ArrayList

delPlaylist

public static java.util.ArrayList<Playlist> delPlaylist(java.util.ArrayList<Playlist> playlists)

delPlaylist is called by the "-" command in order to delete a playlist.

Parameters:

playlists - ArrayList

Returns:

playlists ArrayList

contentOfPlaylist

public static void contentOfPlaylist(java.util.ArrayList<Playlist> playlists)

contentOfPlaylist is called by the "PC" command in order to display the content of a chosen playlist.

Parameters:

playlists - ArrayList

contentOfAlbum

public static void contentOfAlbum(java.util.ArrayList<Album> albums)

contentOfAlbum is called by the "AC" command in order to display the content of a chosen album.

Parameters:

albums - ArrayList

main

public static void main(java.lang.String[] args)

The main method is used to launch the app.

Parameters:

args - String[]