Examples with AsyncContext javax.servlet.AsyncContext used on opensource projects

Example 61 with AsyncContext

use of javax.servlet.AsyncContext in project tomee by apache.

the class ConcurrencyServlet method service.

@Override
protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
    final AsyncContext asyncCtx = req.startAsync();
    execService.execute(new Runnable() {

        @Override
        public void run() {
            try {
                req.login("test", "secret");
                resp.getWriter().println(user.getUser());
            } catch (final Exception e) {
                try {
                    e.printStackTrace(resp.getWriter());
                } catch (final IOException e1) {
                    throw new IllegalStateException(e);
                }
            } finally {
                asyncCtx.complete();
            }
        }
    });
}

Example 62 with AsyncContext

use of javax.servlet.AsyncContext in project AngularBeans by bessemHmidi.

the class SockJsServlet method service.

@Override
protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setHeader("Access-Control-Allow-Origin", "true");
    log.log(Level.FINE, "SockJsServlet#service for {0} {1}", new Object[] { req.getMethod(), req.getPathInfo() });
    AsyncContext asyncContext = req.startAsync();
    // no timeout
    asyncContext.setTimeout(0);
    SockJsServletRequest sockJsReq = new SockJsServletRequest(req);
    SockJsServletResponse sockJsRes = new SockJsServletResponse(res, asyncContext);
    try {
        sockJsServer.dispatch(sockJsReq, sockJsRes);
    } catch (SockJsException ex) {
        throw new ServletException("Error during SockJS request:", ex);
    }
    if ("application/x-www-form-urlencoded".equals(req.getHeader("Content-Type"))) {
        // Let the servlet parse data and just pretend like we did
        sockJsReq.onAllDataRead();
    } else if (req.isAsyncStarted()) {
        req.getInputStream().setReadListener(sockJsReq);
    }
}

Example 63 with AsyncContext

use of javax.servlet.AsyncContext in project tomcat by apache.

the class Async1 method service.

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    final AsyncContext actx = req.startAsync();
    actx.setTimeout(30 * 1000);
    Runnable run = new Runnable() {

        @Override
        public void run() {
            try {
                String path = "/jsp/async/async1.jsp";
                Thread.currentThread().setName("Async1-Thread");
                log.info("Putting AsyncThread to sleep");
                Thread.sleep(2 * 1000);
                log.info("Dispatching to " + path);
                actx.dispatch(path);
            } catch (InterruptedException x) {
                log.error("Async1", x);
            } catch (IllegalStateException x) {
                log.error("Async1", x);
            }
        }
    };
    Thread t = new Thread(run);
    t.start();
}

Example 64 with AsyncContext

use of javax.servlet.AsyncContext in project tomcat by apache.

the class Async2 method service.

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    final AsyncContext actx = req.startAsync();
    actx.setTimeout(30 * 1000);
    Runnable run = new Runnable() {

        @Override
        public void run() {
            try {
                Thread.currentThread().setName("Async2-Thread");
                log.info("Putting AsyncThread to sleep");
                Thread.sleep(2 * 1000);
                log.info("Writing data.");
                Date date = new Date(System.currentTimeMillis());
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
                actx.getResponse().getWriter().write("Output from background thread. Time: " + sdf.format(date) + "\n");
                actx.complete();
            } catch (InterruptedException x) {
                log.error("Async2", x);
            } catch (IllegalStateException x) {
                log.error("Async2", x);
            } catch (IOException x) {
                log.error("Async2", x);
            }
        }
    };
    Thread t = new Thread(run);
    t.start();
}

Example 65 with AsyncContext

use of javax.servlet.AsyncContext in project tomcat by apache.

the class Async3 method service.

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    final AsyncContext actx = req.startAsync();
    actx.setTimeout(30 * 1000);
    actx.dispatch("/jsp/async/async3.jsp");
}