*/
public class DynamicPlaylistExample {
public static void main(String[] args) throws EchoNestException, IOException {
EchoNestAPI en = new EchoNestAPI();
Song lastSong = null;
en.setTraceSends(false);
DynamicPlaylistParams params = new DynamicPlaylistParams();
params.setType(PlaylistParams.PlaylistType.GENRE_RADIO);
params.addGenre("dance pop");
params.setMinEnergy(.6f);
params.setMinDanceability(.6f);
params.includeAudioSummary();
DynamicPlaylistSession session = en.createDynamicPlaylist(params);
boolean done = false;
while (!done) {
String keys = "nsfd+-";
System.out.println();
System.out.print("(n)ext (s)kip (f)av (d)one (+)faster (-)slower ->");
int cv;
do {
cv = System.in.read();
} while (keys.indexOf(cv) < 0);
char c = (char) cv;
// System.out.println("c " + c + " " + cv);
if (c == 'd') {
done = true;
}
if (c == 'f') {
session.feedback(DynamicPlaylistSession.FeedbackType.favorite_song, "last");
}
if (c == 's') {
session.feedback(DynamicPlaylistSession.FeedbackType.skip_song, "last");
}
if (c == 'n') {
Playlist playlist = session.next();
for (Song song : playlist.getSongs()) {
System.out.println(song.getTitle());
System.out.println(song.getArtistName());
System.out.printf("Dance: %f\n", song.getDanceability());
System.out.printf("Energy: %f\n", song.getEnergy());
System.out.printf("Tempo: %f\n", song.getTempo());
lastSong = song;
}
}
if (c == '+') {
if (lastSong != null) {
DynamicPlaylistSteerParams steerParams = new DynamicPlaylistSteerParams();
steerParams.addTargetValue(DynamicPlaylistSteerParams.SteeringParameter.tempo, (float) lastSong.getTempo() * 1.2f);
System.out.println("steer " + steerParams);
session.steer(steerParams);
}
}
if (c == '-') {
if (lastSong != null) {
DynamicPlaylistSteerParams steerParams = new DynamicPlaylistSteerParams();
steerParams.addTargetValue(DynamicPlaylistSteerParams.SteeringParameter.tempo, (float) lastSong.getTempo() * .8f);
System.out.println("steer " + steerParams);
session.steer(steerParams);
}
}