import java.io.*;
import javax.sound.sampled.*;

static Pair<Clip, Flag> javaSound_playFile(File f) ctex {
  AudioInputStream stream;
  AudioFormat format;
  DataLine.Info info;
  final new Flag flag;
  
  stream = AudioSystem.getAudioInputStream(f);
  format = stream.getFormat();
  info = new DataLine.Info(Clip.class, format);
  final Clip clip = (Clip) AudioSystem.getLine(info);
  
  clip.addLineListener(new LineListener {
    public void update(LineEvent event) {
      if (event.getType() == LineEvent.Type.STOP) {
        clip.close();
        flag.raise();
      }
    }
  });

  clip.open(stream);
  clip.start();
  ret pair(clip, flag);
}