Implemented TrackAudioFeatures serialization

Author: Gruncan

src/main/java/com/spotify/objects/SpotifyOptional.java

@@ -5,7 +5,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@Target(ElementType.FIELD)
+@Target({ElementType.FIELD, ElementType.TYPE})
 @Retention(RetentionPolicy.RUNTIME)
 public @interface SpotifyOptional {
 

src/main/java/com/spotify/objects/tracks/TrackAudioFeatures.java

@@ -0,0 +1,72 @@
+package com.spotify.objects.tracks;
+
+
+import com.spotify.objects.SpotifyField;
+import com.spotify.objects.SpotifyObject;
+import com.spotify.objects.SpotifyOptional;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+@SpotifyOptional
+public class TrackAudioFeatures implements SpotifyObject {
+
+    @SpotifyField
+    private double acousticness;
+
+    @SpotifyField("analysis_url")
+    private String analysisUrl;
+
+    @SpotifyField
+    private double danceability;
+
+    @SpotifyField("duration_ms")
+    private int duration;
+
+    @SpotifyField
+    private double energy;
+
+    @SpotifyField
+    private String id;
+
+    @SpotifyField
+    private double instrumentalness;
+
+    @SpotifyField
+    private int key;
+
+    @SpotifyField
+    private double liveness;
+
+    @SpotifyField
+    private double loudness;
+
+    @SpotifyField
+    private int mode;
+
+    @SpotifyField
+    private double speechiness;
+
+    @SpotifyField
+    private double tempo;
+
+    @SpotifyField("time_signature")
+    private int timeSignature;
+
+    @SpotifyField("track_href")
+    private String trackHref;
+
+    @SpotifyField
+    private String type;
+
+    @SpotifyField
+    private String uri;
+
+    @SpotifyField
+    private double valence;
+
+
+}

src/main/java/com/spotify/requests/AbstractRequest.java

@@ -84,7 +84,6 @@ protected final RequestResponse requestGet(String token, String url) {
 
             return new RequestResponse(content, code, s);
 
-
         } catch (NullPointerException e) {
             e.printStackTrace();
             return null;
@@ -98,6 +97,7 @@ public SpotifyResponse execute(String token) {
 
         RequestResponse rresponse = this.requestGet(token, urlQuery);
         SpotifySerialize ms = this.getClass().getAnnotation(SpotifySerialize.class);
+        if (ms == null) return null;
         SpotifyRequest request = this.getClass().getAnnotation(SpotifyRequest.class);
         Class<? extends SpotifyObject> cls = ms.value();
         SpotifyResponse response;

src/main/java/com/spotify/requests/tracks/TrackAudioFeaturesGet.java

@@ -1,5 +1,7 @@
 package com.spotify.requests.tracks;
 
+import com.spotify.objects.SpotifySerialize;
+import com.spotify.objects.tracks.TrackAudioFeatures;
 import com.spotify.requests.AbstractRequest;
 import com.spotify.requests.SpotifyRequest;
 import com.spotify.requests.SpotifySubRequest;
@@ -10,6 +12,7 @@
  * <a href="https://developer.spotify.com/documentation/web-api/reference/#/operations/get-audio-features">Spotify Docs</a>
  */
 @SpotifyRequest("audio-features")
+@SpotifySerialize(TrackAudioFeatures.class)
 public class TrackAudioFeaturesGet extends AbstractRequest {
 
 

src/test/java/com/spotify/Main.java

@@ -1,8 +1,7 @@
 package com.spotify;
 
-import com.spotify.objects.tracks.Track;
-import com.spotify.requests.tracks.SeveralTracksGet;
-import com.spotify.requests.tracks.TrackGet;
+import com.spotify.objects.tracks.TrackAudioFeatures;
+import com.spotify.requests.tracks.TrackAudioFeaturesGet;
 
 public class Main {
 
@@ -11,16 +10,17 @@ public static void main(String[] args) throws IllegalAccessException {
         SpotifyClient sc = new SpotifyClientBuilderTester().getBuiltClient();
 
 
-        SeveralTracksGet severalTracksGet = new SeveralTracksGet("05lBXOMA1uHpVPEQZyjoh3", "4CeeEOM32jQcH3eN9Q2dGj");
-        TrackGet trackGet = new TrackGet("1ljziaoMnRH95aPeOSGAtr1");
+//        SeveralTracksGet severalTracksGet = new SeveralTracksGet("05lBXOMA1uHpVPEQZyjoh3", "4CeeEOM32jQcH3eN9Q2dGj");
+        TrackAudioFeaturesGet trackGet = new TrackAudioFeaturesGet("05lBXOMA1uHpVPEQZyjoh3");
 
 
 //        SpotifyResponse sr = sc.executeRequest(severalTracksGet);
         SpotifyResponse trackResponse = sc.executeRequest(trackGet);
 
 
 //        Track[] tracks = sr.getSerialisedObjects();
-        Track[] track = trackResponse.getSerialisedObjects();
+        TrackAudioFeatures track = trackResponse.getSerialisedObject();
+
 
 //        System.out.println(Arrays.toString(tracks));
         System.out.println(track);