diff options
| -rw-r--r-- | Album.java | 9 | ||||
| -rw-r--r-- | MusicalElement.java | 1 | ||||
| -rw-r--r-- | jMusicHub.java | 162 |
3 files changed, 155 insertions, 17 deletions
@@ -2,14 +2,14 @@ import java.util.*; import java.io.Serializable; public class Album implements Serializable { + private static final long serialVersionUID = -8678385322105507976L; private int id, duration; private Date date; private String title, artist; private ArrayList<Song> songs = new ArrayList<Song>(); - public Album(int id, String title, int duration, String artist, Date date, ArrayList<Song> songs) { - this.id=id; + public Album(String title, int duration, String artist, Date date, ArrayList<Song> songs) { this.title=title; this.duration=this.getDuration(); this.artist=artist; @@ -30,10 +30,13 @@ public class Album implements Serializable { public ArrayList<Song> getSongs(){return songs;} - public void setId(){this.id=id;} + public void setId(int id){this.id=id;} public void setTitle(){this.title=title;} public void setArtist(){this.artist=artist;} public void setDate(){this.date=date;} + public String toString() { + return "Id : "+getId()+"\nTitle : "+getTitle()+"\nDuration : "+getDuration()+"\nArtist : "+getArtist()+"\nDate of release : "+getDate()+"\nSongs : "+getSongs(); +} } diff --git a/MusicalElement.java b/MusicalElement.java index e748281..9094913 100644 --- a/MusicalElement.java +++ b/MusicalElement.java @@ -11,7 +11,6 @@ public abstract class MusicalElement implements Serializable { //Our vars private int id, duration; private String title, content; - private static int idCount=0; public MusicalElement(String title, int duration, String content) { diff --git a/jMusicHub.java b/jMusicHub.java index 56cf38c..c70c9b8 100644 --- a/jMusicHub.java +++ b/jMusicHub.java @@ -1,5 +1,6 @@ import java.util.*; import java.io.*; +import java.text.*; /** <h1>jMusicHub</h1> * @@ -14,7 +15,7 @@ import java.io.*; public class jMusicHub { /** <h2>addSong</h2> - * add Song is used to add songs thanks to the "c" option + * addSong is used to add songs thanks to the "c" option * @param scan Scanner Object */ public static Song addSong(Scanner scan){ @@ -54,7 +55,7 @@ public class jMusicHub { } /** <h2>addAudioBook</h2> - * add Song is used to add songs thanks to the "l" option + * addAudioBook is used to add songs thanks to the "l" option * @param scan Scanner Object */ public static AudioBook addAudioBook(Scanner scan){ @@ -98,8 +99,52 @@ public class jMusicHub { } } +/** <h2>addAlbum</h2> + * addAlbum is used to add songs thanks to the "a" option + * @param scan Scanner Object + */ + public static Album addAlbum(Scanner scan){ + System.out.println("\n[DISCLAIMER : You have to register the songs after creating (a) and saving (s) the albums]\n"); + System.out.println("Adding an album..."); + System.out.printf("Title : "); + String title = scan.nextLine(); + System.out.printf("Artist : "); + String artist = scan.nextLine(); + System.out.printf("Date (yyyy/MM/dd) : "); + String dateString = scan.nextLine(); + DateFormat df = new SimpleDateFormat("yyyy/MM/dd"); + try { + Date date = df.parse(dateString); + System.out.println(""); + + System.out.println("Do you confirm the addition of the following song ?"); + System.out.println("Title : " + title); + System.out.println("Artist : " + artist); + System.out.println("Date of release : " + date); + System.out.println("[Y/n]"); + String confirm = scan.nextLine(); + + if (confirm.equalsIgnoreCase("Y")){ //if the user is ok with what he typed, create an album obj + ArrayList<Song> albumSongs = new ArrayList<Song>(); + Album newAlbum = new Album(title, 0, artist, date, albumSongs); + return newAlbum; + } else { + System.out.println("Aborting..."); + System.out.println(""); + return null; + } + } catch (ParseException e) { + System.out.println("Aborting..."); + System.out.println(""); + return null; + } + } + /**<h2>save</h2> * save is used by the command "s" + * It is used to serialize (save) arrays of a list into the type's file.i + * Exemple : save("nameOfTheFile", elements) + * It will save the arrayList named elements into nameOfTheFile in the working directory. * @param filename String * @param elements ArrayList * */ @@ -127,7 +172,7 @@ public class jMusicHub { } /**<h2>list</h2> - * list is called when using the "AB" and "S" commands in order to list the elements in respective files. + * list is called when using the "AB", "S", "A" and "P" commands in order to list the elements in respective files. * @param filename String * */ @@ -139,8 +184,6 @@ public class jMusicHub { FileInputStream file = new FileInputStream(filename); ObjectInputStream in = new ObjectInputStream(file); - - // Method for deserialization of object switch(filename) { case "songs": @SuppressWarnings("unchecked") @@ -165,7 +208,30 @@ public class jMusicHub { for (AudioBook ab : audiobooks ){ System.out.println(ab); } + break; + case "albums" : + @SuppressWarnings("unchecked") + ArrayList<Album> albums = (ArrayList<Album>)in.readObject(); + in.close(); + file.close(); + + System.out.println("\nSaved "+filename+" :\n"); + + for (Album a : albums ){ + System.out.println(a); + } + break; + case "playlists" : + @SuppressWarnings("unchecked") + ArrayList<Playlist> playlists = (ArrayList<Playlist>)in.readObject(); + in.close(); + file.close(); + System.out.println("\nSaved "+filename+" :\n"); + + for (Playlist p : playlists ){ + System.out.println(p); + } break; } @@ -185,8 +251,8 @@ public class jMusicHub { // Deserialization try { - FileInputStream file = new FileInputStream(filename); - ObjectInputStream in = new ObjectInputStream(file); + FileInputStream file = new FileInputStream(filename); + ObjectInputStream in = new ObjectInputStream(file); switch (filename) { case "songs" : @@ -196,7 +262,9 @@ public class jMusicHub { in.close(); file.close(); + list("songs"); return new ArrayList<Song>(songs); + case "audiobooks" : @SuppressWarnings("unchecked") ArrayList<AudioBook> audiobooks = (ArrayList<AudioBook>)in.readObject(); @@ -204,7 +272,29 @@ public class jMusicHub { in.close(); file.close(); + list("audiobooks"); return new ArrayList<AudioBook>(audiobooks); + + case "albums" : + @SuppressWarnings("unchecked") + ArrayList<Album> albums = (ArrayList<Album>)in.readObject(); + + in.close(); + file.close(); + + list("albums"); + return new ArrayList<Album>(albums); + + case "playlists" : + @SuppressWarnings("unchecked") + ArrayList<Playlist> playlists = (ArrayList<Playlist>)in.readObject(); + + in.close(); + file.close(); + + list("playlists"); + return new ArrayList<Playlist>(playlists); + default : return new ArrayList(); } @@ -216,6 +306,22 @@ public class jMusicHub { } } + public static void addSongs(Scanner scan, ArrayList<Album> albums){ + System.out.println("Adding a existing song to an existing album"); + System.out.printf("Song's ID : "); + int songId = scan.nextInt(); + System.out.printf("Album's ID : "); + String trash = scan.nextLine(); //Using this because the content scan is skip after a nexInt + int albumId = scan.nextInt(); + trash = scan.nextLine(); + + for (Album a : albums) { + if ( albumId == a.getId() ) { + System.out.println(a); + } + } + } + public jMusicHub() { System.out.println("Welcome to the jMusicHub !\n"); @@ -228,9 +334,11 @@ public class jMusicHub { ArrayList<Song> songs = extract("songs"); @SuppressWarnings("unchecked") ArrayList<AudioBook> audiobooks = extract("audiobooks"); + @SuppressWarnings("unchecked") + ArrayList<Album> albums = extract("albums"); + @SuppressWarnings("unchecked") + ArrayList<Playlist> playlists = extract("playlists"); - list("songs"); - list("audiobooks"); System.out.println("\nExtraction done."); do { @@ -238,7 +346,7 @@ public class jMusicHub { userInput = scan.nextLine(); switch(userInput) { case "h" : //page help - System.out.printf("c: add a new song\na: add a new album\n+: add an existing song to an album\nl: add a new audiobook\np: create a new playlist from existing songs and audiobooks\n-: delete a playlist\ns: save playlists, albums, songs and audiobooks into the concerned files\nS: List all your saved songs\nAB : List all your saved audiobooks\nh: print this help screen\nq: quit the program\n"); + System.out.printf("c: add a new song\na: add a new album\n+: add an existing song to an album\nl: add a new audiobook\np: create a new playlist from existing songs and audiobooks\n-: delete a playlist\ns: save playlists, albums, songs and audiobooks into the concerned files\nS: List all your saved songs\nAB : List all your saved audiobooks\nA : List all your saved albums\nP : List all your saved playlists\nh: print this help screen\nq: quit the program\n"); break; case "q" : //quit System.out.println("Goodbye !"); @@ -265,15 +373,34 @@ public class jMusicHub { break; case "a": //add a new album + try { //If something goes wrong, abort + Album newAlbum = addAlbum(scan); + if (newAlbum != null){ + int albumsSize = albums.size(); + newAlbum.setId(albumsSize); + albums.add(newAlbum); + System.out.println("\nActual content of your albums list (you must save it (s) to do anything else with them, like adding songs) :"); + for (Album iAlbum : albums){ + System.out.println(iAlbum); + } + System.out.println(""); + + } + } catch (InputMismatchException | IllegalArgumentException e) { + System.out.println("You typed something wrong... I'm aborting.."); + System.out.println(""); + } + break; - case "+": + case "+": //add an existing song to an album + addSongs(scan, albums); break; case "l": //add a new audiobook try { //If something goes wrong, abort AudioBook newAudioBook=addAudioBook(scan); if (newAudioBook != null){ - int audiobookSize = audiobooks.size(); - newAudioBook.setId(audiobookSize); + int audiobooksSize = audiobooks.size(); + newAudioBook.setId(audiobooksSize); audiobooks.add(newAudioBook); System.out.println("\nActual content of your audiobook list (you must save it (s) to do anything else with your audiobooks) :"); for (AudioBook iAudioBook : audiobooks){ @@ -294,6 +421,8 @@ public class jMusicHub { case "s": //save songs, audiobooks, playlist and albums save("songs", songs); save("audiobooks", audiobooks); + save("albums", albums); + save("playlists", playlists); break; case "S": //print songs contained in songs list("songs"); @@ -301,6 +430,13 @@ public class jMusicHub { case "AB": //print audiobooks containd in audiobooks list("audiobooks"); break; + case "A": //print albums + list("albums"); + break; + case "P": //print albums + list("playlists"); + break; + default : System.out.println("Unknown command. Type h for help."); |