public interface MediaPlayer{
public void play(String audioType, String fileName);
}
public interface AdvancedMediaPlayer{
public void playVlc(String fileName);
public void playMp4(String fileName);
}
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){
//hold information
}
}
public class Mp4Player implements AdvacedMediaPlayer{
@Override
public void playVlc(String fileName){
//hold information
}
@Override
public void playMp4(String fileName){
System.out.println("Playing mp4 file. Name: "+ fileName);
}
}
public class MediaAdapter implements MediaPlayer{
AdvancedMediaPlayer advancedMusicPlayer;
public MediaAdapter(String audioType){
if(audioType.equalsIgnoreCase("vlc")){
advancedMusicPlayer = new VlcPlayer();
}else if(audioType.equalsIgnoreCase("mp4")){
advancedMusicPlayer = new Mp4Player();
}
}
@Override
public void play(String audioType, String fileName){
if(audioType.equalsIgnoreCase("vlc")){
advancedMusicPlayer.playVlc(fileName);
}else if(audioType.equalsIgnoreCase("mp4")){
advancedMusicPlayer.playMp4(fileName);
}
}
}
public class AudioPlayer implements MediaPlayer{
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("vlc") || audioType.equalsIgnoreCase("mp4")){
mediaAdapter = new MediaAdapter(audioType);
mediaAdapter.play(audioType, fileName);
}else{
System.out.println("Invalid media. "+ audioType + " format not supported.");
}
}
}
public class AdapterDesignT1{
public static void main(String[] args){
AudioPlayer audioType = new AudioPlayer();
audioType.play("mp3", "Father Time.mp3");
audioType.play("mp4", "Soldier Time.mp4");
audioType.play("vlc", "Destiny.vlc");
audioType.play("avi", "I walk on my own.avi");
}
}