public static Mp3PlayerManager Create(Cassette cassette)
{
var concretType = typeof(Mp3PlayerManager).Assembly.GetTypes()
.Single(
type =>
typeof(Mp3PlayerManager).IsAssignableFrom(type) &&
type.GetCustomAttribute(typeof(CassetteStateAttribute)) != null &&
((CassetteStateAttribute)type.GetCustomAttribute(typeof(CassetteStateAttribute))).State == cassette.State);
var result = (Mp3PlayerManager)Activator.CreateInstance(concretType, cassette);
return(result);
}
public Play(Cassette caset) : base(caset)
{
}
public Pause(Cassette caset) : base(caset)
{
}
protected Mp3PlayerManager(Cassette caset)
{
this.Cassette = caset;
}
