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Countdown.javaAPI DocExample1195Thu Apr 05 01:40:12 BST 2001None

Countdown

public class Countdown extends HttpServlet

Fields Summary
static final String
LAUNCH
Constructors Summary
Methods Summary
public voiddoGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)


       
                                  
    ServletOutputStream out = res.getOutputStream();  // some binary output

    // Prepare a multipart response
    MultipartResponse multi = new MultipartResponse(res);

    // First send a countdown
    for (int i = 10; i > 0; i--) {
      multi.startResponse("text/plain");
      out.println(i + "...");
      multi.endResponse();
      try { Thread.sleep(1000); } catch (InterruptedException e) { }
    }

    // Then send the launch image
    multi.startResponse("image/gif");
    try {
      ServletUtils.returnFile(req.getRealPath(LAUNCH), out);
    }
    catch (FileNotFoundException e) {
      throw new ServletException("Could not find file: " + e.getMessage());
    }

    // Don't forget to end the multipart response
    multi.finish();