JAR를 내려받는 서블릿 코드

DownJar.java

// import 생략 public class DownJar extends HttpServlet {      @Override     protected void doGet(HttpServletRequest req, HttpServletResponse resp)                                                                         throws ServletException, IOException {         resp.setContentType("application/jar");         ServletContext ctx = getServletContext();         InputStream is = ctx.getResourceAsStream("/dwr.jar");         int read = 0;         byte[] bytes = new byte[1024];         OutputStream os = resp.getOutputStream();         while ((read = is.read(bytes)) != -1) {             os.write(bytes, 0, read);         }         os.flush();         os.close();     } }

경로에 있는 파일을 읽어 출력 스트림에 기록한다