public void loadDataTrack(String path) {
allTracks = new HashMap<Integer, Track>();
List<String> data = loadData(path);
for (String str : data) {
Track track = new Track();
String[] strArray = str.split("\\|");
int trackId = Integer.parseInt(strArray[0]);
int trackAlbum = -1; // -1 means none
int trackArtist = -1;
List<Integer> trackGenres = new LinkedList<Integer>();
if (!strArray[1].equals("None")) {
trackAlbum = Integer.parseInt(strArray[1]);
if (allAlbums.containsKey(trackAlbum)) {
Album album = allAlbums.get(trackAlbum);
List<Integer> tracksInList = album.getTracks();
tracksInList.add(trackId);
album.setTracks(tracksInList);
allAlbums.put(trackAlbum, album);
}
}
if (!strArray[2].equals("None")) {
trackArtist = Integer.parseInt(strArray[2]);
if (allArtists.containsKey(trackArtist)) {
Artist artist = allArtists.get(trackArtist);
List<Integer> tracksInList = artist.getTracks();
tracksInList.add(trackId);
artist.setTracks(tracksInList);
allArtists.put(trackArtist, artist);
}
}
if (strArray.length > 3) {
for (int i = 0; i < strArray.length - 3; i++) {
int trackGenre = Integer.parseInt(strArray[i + 3]);
trackGenres.add(trackGenre);
if (allGenres.containsKey(trackGenre)) {
Genre genre = allGenres.get(trackGenre);
List<Integer> tracksInList = genre.getTracks();
tracksInList.add(trackId);
genre.setTracks(tracksInList);
allGenres.put(trackGenre, genre);
}
}
} else {
trackGenres.add(-1);
}
track.setId(trackId);
track.setAlbumId(trackAlbum);
track.setArtistId(trackArtist);
track.setGenreId(trackGenres);
allTracks.put(trackId, track);
}
}
