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import java.io.IOException;
import javax.servlet.AsyncContext;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.ServletMapping;
public class AAsyncDispatchToC extends HttpServlet {
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
AsyncContext asyncContext = request.startAsync();
request.getServletContext().log(this.getClass().getSimpleName() + " getServletMapping: "
+ request.getServletMapping());
ServletMapping forwardMapping = (ServletMapping) request.getAttribute(RequestDispatcher.FORWARD_MAPPING);
request.getServletContext().log(this.getClass().getSimpleName() + " FORWARD_MAPPING attribute: "
+ forwardMapping);
ServletMapping includeMapping = (ServletMapping) request.getAttribute(RequestDispatcher.INCLUDE_MAPPING);
request.getServletContext().log(this.getClass().getSimpleName() + " INCLUDE_MAPPING attribute: "
+ includeMapping);
ServletMapping asyncMapping = (ServletMapping) request.getAttribute(AsyncContext.ASYNC_MAPPING);
request.getServletContext().log(this.getClass().getSimpleName() + " ASYNC_MAPPING attribute: "
+ asyncMapping);
asyncContext.dispatch("/ServletC");
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}