Pivot's web query classes are primarily designed to facilitate REST-style interaction with a server. Since an HTTP POST is commonly used to create a resource on the server, PostQuery returns a URL representing the location of the created resource. This is the value of the Location header described in the HTTP spec:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.5 POST can also be used to perform an arbitrary action that doesn't result in the creation of a resource; in this case, the method can return null. For example, to facilitate login in an application I recently developed, I defined a POST operation that accepted an "Action" header with a value of "login". I passed the user credentials in the HTTP headers. If the login succeeds, HTTP 204 is returned; otherwise, HTTP 401 is returned. Pivot includes a base servlet class to help simplify development of web query REST services. It is called org.apache.pivot.web.server.QueryServlet and is defined in pivot-web-server-1.x.jar. If you think you might be interested in using this class, I would suggest that you look at the forthcoming 1.5 version, since the API has changed a bit since 1.4 and is now slightly more consistent with the client classes. If you definitely need to return a value from your POST operation, you might be able to simply return it in a response header. If that isn't sufficient, you could create a custom Query subclass that basically looks like GetQuery but uses the POST method instead: http://svn.apache.org/repos/asf/pivot/trunk/web/src/org/apache/pivot/web/GetQuery.java Hope this helps. Greg On Apr 15, 2010, at 5:25 AM, Jérôme Serré wrote: > Hello, > > > > I begin with pivot and i want to accede to the session in the applet. > > I know send a objet from applet to servlet (QueryPost), but I don’t know to > get the response (an object). I think to use the session. > > > > APPLET : > > PostQuery postQuery = new PostQuery("192.168.1.5", 8000, "/vsm/Login", > false); > > postQuery.getParameters().put("login", login.getText()); > > postQuery.getParameters().put("motp", motp.getText()); > > postQuery.getParameters().put("page", "login"); > > postQuery.execute(); > > GET THE RESPONSE ??? > > > > SERVLET : > > public void doPost(HttpServletRequest request, HttpServletResponse response) > throws IOException, ServletException { > > HttpSession session = request.getSession(); > > /login > > String d = (String)request.getParameter("login"); > > System.out.println("LOGIN: " + d); > > //password > > d = (String)request.getParameter("motp"); > > System.out.println("MOT DE PASSE: " + d); > > SEND THE RESPONSE ??? > > > > Thank you for your help > > __ > > Cordialement > > Jérôme Serré > > > >
