That sounds perfect! I'll download glassfish in the meantime and try to get
it running myself!
Thanks!
Jeanfrancois Arcand-2 wrote:
>
> Salut,
>
> falcon wrote:
>> The most recent code I've tested with is almost exactly the same as Shing
>> Wai
>> Chan's code listed at the end of this message. Frankly, I'm not sure
>> exactly where that servlet fits in.
>>
>> I start the server in the following manner:
>>
>> java -jar grizzly-cometd-webserver-1.8.0.jar -p 8080 -a
>> grizzly-cometd-echo-1.8.0.war TestServlet
>> (by the way, including or excluding TestServlet doesn't seem to make any
>> difference at all)
>>
>> I open http://localhost:8080 in a couple of browsers. I type in
>> something
>> in the html form, press enter and it shows up in both web pages (which is
>> exactly how it is supposed to work).
>>
>> I don't see any exception, any of my log messages, only the startup up
>> message of cometd-webserver.
>
> I see :-) You are using the cometd package, not the http-servlet package
> :-) I've missed that case...Then specifying the Servlet doesn't make any
> difference, I agree.
>
> The cometd-webserver cannot be used in conjunction with a Servlet....so
> far. The cometd-webserver can only be used as a reflector, meaning your
> application logic must be implemented on the client side, not on the
> server side (using a Servlet). If you want to implement what Shing Wai
> blogged about, you need to use a full Servlet Container like GlassFish
> v2 or v3. As an example, take a look at this blog:
>
> http://weblogs.java.net/blog/caroljmcdonald/archive/2008/07/comet_slideshow.html
>
> I recommend you download GlassFish v2, enable Comet:
>
> http://weblogs.java.net/blog/jfarcand/archive/2008/02/comet_support_i.html
>
> and then deploy your war file. I suspect it will works.
>
> Now back to your example, I do think we should support your use case, so
> I've filled:
>
> https://grizzly.dev.java.net/issues/show_bug.cgi?id=180
>
> I will work on it today and will update you as soon as I've it working.
> If you can't wait, then just download v2 :-)
>
> How does that sound?
>
> Thanks!
>
> -- Jeanfrancois
>
>
>
>>
>> For example, I type in "test" in the html form, and the following gets
>> printed below the input field in _both_ browsers:
>>
>> /service/echo: test
>>
>> No other messages in the browsers or the console windows.
>>
>> As I mentioned before, I'd love to figure out how to publish my own
>> messages
>> to the browser.
>>
>> Following is the servlet code:
>> -----------------
>> import java.io.IOException;
>> import java.util.*;
>> import javax.servlet.*;
>> import javax.servlet.http.*;
>>
>> import com.sun.grizzly.comet.*;
>> import com.sun.grizzly.cometd.*;
>> import com.sun.grizzly.cometd.bayeux.*;
>>
>> public class TestServlet extends HttpServlet {
>> protected void doPost(HttpServletRequest request,
>> HttpServletResponse response) throws ServletException,
>> IOException {
>> doProcess(request, response);
>> }
>>
>> protected void doGet(HttpServletRequest request,
>> HttpServletResponse response) throws ServletException,
>> IOException {
>> doProcess(request, response);
>> }
>>
>> protected void doProcess(HttpServletRequest request,
>> HttpServletResponse response) throws ServletException,
>> IOException {
>> String contextPath = "/cometd/cometd";
>> String channel = "/service/echo";
>> String messageDataName = "msg";
>> String messageDataValue =
>> request.getParameter("messageDataValue");
>> ServletOutputStream out = response.getOutputStream();
>> printForm(out);
>>
>> CometEngine engine = CometEngine.getEngine();
>> CometContext context = engine.getCometContext(contextPath);
>>
>> if (context != null && messageDataValue != null) {
>> Map<String, Object> map = new HashMap<String, Object>();
>> map.put(messageDataName, messageDataValue);
>> Data data = new Data();
>> data.setMapData(map);
>>
>> DeliverResponse deliverResponse = new DeliverResponse();
>> deliverResponse.setChannel("/service/echo");
>> deliverResponse.setClientId("");
>> deliverResponse.setData(data);
>> deliverResponse.setLast(true);
>> deliverResponse.setFollow(true);
>>
>> context.notify(deliverResponse);
>> out.println("Data is sent.");
>> System.out.println("Data is sent.");
>> } else {
>> out.println("No data is sent.");
>> System.out.println("No data is sent.");
>> }
>> }
>>
>> private void printForm(ServletOutputStream out) throws IOException {
>> out.println(
>> "<h1>Send a cometd Message</h1> <form method=\"POST\" action=\"test\">
>> <table> <tr><td>Message Data Value: <td><input type=\"text\"
>> name=\"messageDataValue\" value=\"\"> <tr><td colspan=\"2\"><input
>> type=\"submit\"> </table> </form> <hr>"
>> );
>> }
>> }
>>
>
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