【JAVA spring】画像の書き出し

@RequestMapping(method=RequestMethod.GET, params="image")
protected void displayImages(HttpServletRequest request, HttpServletResponse response){
	String dir = getServletContext().getRealPath("/");
	String fname = request.getParameter("name");

	int iData = 0;

	//ServletのOutputStream取得
	ServletOutputStream out = response.getOutputStream();

	//画像ファイルをBufferedInputStreamを使用して読み取る
	BufferedInputStream in = new BufferedInputStream(new FileInputStream(dir+fname));

	//画像を書き出す
	while((iData = in.read()) != -1){
	    out.write(iData);
	}

	in.close();
	out.close();
}