public void play(string audioType, string fileName)
{
//播放 mp3 音乐文件的内置支持
if (audioType.Equals("mp3", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Playing mp3 file. Name: " + fileName);
}
//mediaAdapter 提供了播放其他文件格式的支持
else if (audioType.Equals("vlc", StringComparison.OrdinalIgnoreCase) ||
audioType.Equals("mp4", StringComparison.OrdinalIgnoreCase))
{
mediaAdapter = new MediaAdapter(audioType);
mediaAdapter.play(audioType, fileName);
}
else
{
Console.WriteLine("Invalid media. " +
audioType + " format not supported");
}
}
static void Main(string[] args)
{
AudioPlayer audioPlayer = new AudioPlayer();
audioPlayer.Play("mp3", "beyond the horizon.mp3");
Mp4Player mp4Player = new Mp4Player();
mp4Player.PlayMp4("alone.mp4");
VlcPlayer vlcPlayer = new VlcPlayer();
vlcPlayer.PlayVlc("far far away.vlc");
Console.WriteLine("\nAdapter: IAudioPlayer play media vlc");
IAudioPlayer mediaAdapter = new MediaAdapter(vlcPlayer);
mediaAdapter.Play("vlc", "far far away.vlc");
Console.ReadLine();
}