public  void processCommand(TextMessage request,
    TextMessage response) throws Exception 
{
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        CommandContext ctx = new CommandContext();
        ctx.setFormatter(new CommandShellOutputFormatter(out));
        // lets turn the text into a list of arguments
        String requestText = request.getText();
        List< String > tokens = tokenize(requestText);
        command.setCommandContext(ctx);
        command.execute(tokens);
        out.flush();
        byte[] bytes = out.toByteArray();
        String answer = new String(bytes);
        response.setText(answer);
}

 protected List<String> tokenize(String text) 
{
        List< String > answer = new ArrayList< String >();
        StringTokenizer iter = new StringTokenizer(text);
        while (iter.hasMoreTokens()) {
            answer.add(iter.nextToken());
        }
        return answer;
}