public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out = response.getWriter(); response.setContentType("text/html"); int codigoEsp = Integer.parseInt(request.getParameter("codEspecialidade")); IManager mgr = ComponentFactory.createInstance(); IHTMLPageMgt htmlPageMgt = (IHTMLPageMgt) mgr.getRequiredInterface("IHTMLPageMgt"); try { IQueryInfoMgt query = (IQueryInfoMgt) mgr.getRequiredInterface("IQueryInfoMgt"); IteratorDsk repUS = query.searchHealthUnitsBySpeciality(codigoEsp); out.println(htmlPageMgt.open("Queries - Health Unit")); out.println("<body><h1>Querie result<br>Health units</h1>"); out.println("<P><h3>Medical specialty: " + codigoEsp + "</h3></P>"); out.println("<h3>Health units:</h3>"); if (repUS != null) { while (repUS.hasNext()) { IHealthUnitDt us = (IHealthUnitDt) repUS.next(); out.println("<dd><dd>" + us.getDescription()); } } out.println(htmlPageMgt.closeQueries()); } catch (ObjectNotFoundException e) { out.println("<P> " + e.getMessage() + " </P>"); } catch (Exception e) { out.println(htmlPageMgt.errorPage("Comunitation error, please try again later.")); e.printStackTrace(out); } finally { out.close(); } }