Bilal's Factory DP Assignment Solution

src/main/java/com/scaler/lld/design/assignments/factory/AudioPlayer.java

@@ -1,6 +1,18 @@
 package com.scaler.lld.design.assignments.factory;
 
 public abstract class AudioPlayer {
+    private int volume;
+    private double playBackRate;
+    public abstract void play() ;
 
+    public abstract void pause() ;
+
+    public abstract void stop();
+
+    public abstract void setVolume(int volume);
+
+    public abstract int getVolume();
+
+    public abstract double getPlayBackRate();
     public abstract MediaFormat supportsType();
 }

src/main/java/com/scaler/lld/design/assignments/factory/AudioPlayerFactory.java

@@ -1,4 +1,21 @@
 package com.scaler.lld.design.assignments.factory;
 
+import lombok.AllArgsConstructor;
+
 public class AudioPlayerFactory {
+    public static AudioPlayer createAudioPlayer(MediaFormat mediaFormat,int volume,double playBackRate){
+        if(mediaFormat==MediaFormat.MP3){
+            return new MP3Player(volume,playBackRate);
+        }
+        else if(mediaFormat==MediaFormat.WAV){
+            return new WAVPlayer(volume,playBackRate);
+        }
+        else if(mediaFormat==MediaFormat.FLAC){
+            return new FLACPlayer(volume,playBackRate);
+        }
+        else{
+            throw new RuntimeException("Invalid Media player format provided");
+        }
+    }
+
 }

src/main/java/com/scaler/lld/design/assignments/factory/FLACPlayer.java

@@ -1,6 +1,6 @@
 package com.scaler.lld.design.assignments.factory;
 
-public class FLACPlayer {
+public class FLACPlayer extends AudioPlayer{
     private int volume;
     private double playBackRate;
 

src/main/java/com/scaler/lld/design/assignments/factory/MP3Player.java

@@ -1,6 +1,6 @@
 package com.scaler.lld.design.assignments.factory;
 
-public class MP3Player {
+public class MP3Player extends  AudioPlayer{
     private int volume;
     private double playBackRate;
 

src/main/java/com/scaler/lld/design/assignments/factory/WAVPlayer.java

@@ -1,6 +1,6 @@
 package com.scaler.lld.design.assignments.factory;
 
-public class WAVPlayer {
+public class WAVPlayer extends AudioPlayer{
     private int volume;
     private double playBackRate;