gistfile1.txt

    public static class SlowAndBigHandler extends AbstractHandler {

        public void handle(String pathInContext, Request request,
                HttpServletRequest httpRequest, HttpServletResponse httpResponse)
                throws IOException, ServletException {

            // 512MB large download
            // 512 * 1024 * 1024 = 536870912
            httpResponse.setStatus(200);
            httpResponse.setContentLength(HALF_GIG);
            httpResponse.setContentType("application/octet-stream");

            httpResponse.flushBuffer();

            boolean wantFailure = httpRequest.getHeader("X-FAIL-TRANSFER") != null;
            boolean wantSlow = httpRequest.getHeader("X-SLOW") != null;

            OutputStream os = httpResponse.getOutputStream();
            for (int i = 0; i < HALF_GIG; i++) {
                os.write(i % 255);

                if (wantSlow) {
                    try {
                        Thread.sleep(300);
                    } catch (InterruptedException ex) {
                        // nuku
                    }
                }

                if (i > HALF_GIG / 2) {
                    if (wantFailure) {
                        httpResponse.sendError(500);
                    }
                }
            }

            httpResponse.getOutputStream().flush();
            httpResponse.getOutputStream().close();
        }
    }