Implement Adapter Design Pattern

Design Patterns/src/adapter/media/player/AdapterPatternDemo.java

@@ -0,0 +1,14 @@
+package adapter.media.player;
+
+public class AdapterPatternDemo {
+    public static void main(String[] args) {
+
+        AudioPlayer audioPlayer = new AudioPlayer();
+
+        audioPlayer.play("mp4", "Never Say Never - Justin Bieber");
+        audioPlayer.play("vlc", "Better - TWICE");
+        audioPlayer.play("mp3", "Fake & True - TWICE");
+        audioPlayer.play("avi", "Sunflower - Post Malone");
+
+    }
+}

Design Patterns/src/adapter/media/player/AdvancedMediaPlayer.java

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+package adapter.media.player;
+
+public interface AdvancedMediaPlayer {
+
+    void playVLC(String fileName);
+
+    void playMP4(String fileName);
+}

Design Patterns/src/adapter/media/player/AudioPlayer.java

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+package adapter.media.player;
+
+public class AudioPlayer implements MediaPlayer {
+
+    private MediaAdapter mediaAdapter;
+
+    @Override
+    public void play(String audioType, String fileName) {
+
+        if (audioType.equalsIgnoreCase("mp3")) {
+            System.out.println("Playing MP3 File | Name: " + fileName);
+        } else if (audioType.equalsIgnoreCase("mp4") || audioType.equalsIgnoreCase("vlc")) {
+            mediaAdapter = new MediaAdapter(audioType);
+            mediaAdapter.play(audioType, fileName);
+        } else {
+            System.out.printf("Media Format '%s' Not Recognised!", audioType);
+        }
+    }
+}

Design Patterns/src/adapter/media/player/MP4Player.java

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+package adapter.media.player;
+
+public class MP4Player implements AdvancedMediaPlayer {
+
+    @Override
+    public void playVLC(String fileName) {
+        // Nothing Happens
+    }
+
+    @Override
+    public void playMP4(String fileName) {
+        System.out.println("Playing MP4 File | Name: " + fileName);
+    }
+}

Design Patterns/src/adapter/media/player/MediaAdapter.java

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+package adapter.media.player;
+
+public class MediaAdapter implements MediaPlayer {
+
+    private AdvancedMediaPlayer advancedMediaPlayer;
+
+    public MediaAdapter(String audioType) {
+
+        if (audioType.equalsIgnoreCase("vlc")) {
+            advancedMediaPlayer = new VLCPlayer();
+        } else if (audioType.equalsIgnoreCase("mp4")) {
+            advancedMediaPlayer = new MP4Player();
+        }
+    }
+
+    @Override
+    public void play(String audioType, String fileName) {
+
+        if (audioType.equalsIgnoreCase("vlc")) {
+            advancedMediaPlayer.playVLC(fileName);
+        } else if (audioType.equalsIgnoreCase("mp4")) {
+            advancedMediaPlayer.playMP4(fileName);
+        }
+    }
+}

Design Patterns/src/adapter/media/player/MediaPlayer.java

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+package adapter.media.player;
+
+public interface MediaPlayer {
+
+    void play(String audioType, String fileName);
+}

Design Patterns/src/adapter/media/player/VLCPlayer.java

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+package adapter.media.player;
+
+public class VLCPlayer implements AdvancedMediaPlayer {
+
+    @Override
+    public void playVLC(String fileName) {
+        System.out.println("Playing VLC File | Name: " + fileName);
+    }
+
+    @Override
+    public void playMP4(String fileName) {
+        // Nothing happens
+    }
+}