gistfile1.java

   /**
     * Sets the audio file from which the data-stream will be generated of.
     *
     * @param audioFileURL The location of the audio file to use
     * @param streamName   The name of the InputStream. if <code>null</code> the complete path of the audio file will be
     *                     uses as stream name.
     */
    public void setAudioFile(URL audioFileURL, String streamName) {
        // first close the last stream if there's such a one
        if (dataStream != null) {
            try {
                dataStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }

            dataStream = null;
        }

        assert audioFileURL != null;
        if (streamName != null)
            streamName = audioFileURL.getPath();

        AudioInputStream audioStream = null;
        try {
            audioStream = AudioSystem.getAudioInputStream(audioFileURL);
        } catch (UnsupportedAudioFileException e) {
            System.err.println("Audio file format not supported: " + e);
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        curAudioFile = new File(audioFileURL.getFile());
        for (AudioFileProcessListener fileListener : fileListeners)
            fileListener.audioFileProcStarted(curAudioFile);

        setInputStream(audioStream, streamName);
    }