Hello,
I am trying to maintain state between a JSE endpoint and a servlet that acts as
a client.
Here is the code for the client:
| /*
| * addClient.java
| *
| * Created on May 22, 2006, 8:44 PM
| */
|
| package pack;
|
| import java.io.*;
| import java.net.*;
|
| import javax.servlet.*;
| import javax.servlet.http.*;
| import javax.xml.rpc.Stub;
|
| /**
| *
| * @author julien
| * @version
| */
| public class AddClient extends HttpServlet {
|
| /** Processes requests for both HTTP <code>GET</code> and
<code>POST</code> methods.
| * @param request servlet request
| * @param response servlet response
| */
| protected void processRequest(HttpServletRequest request,
HttpServletResponse response)
| throws ServletException, IOException {
| response.setContentType("text/html;charset=UTF-8");
| PrintWriter out = response.getWriter();
| try { // This code block invokes the add operation on web service
| int sum = getAdderWebServiceSEIPort().add(4);
| out.println("<html>");
| out.println("<head>");
| out.println("<title>Servlet addClient</title>");
| out.println("</head>");
| out.println("<body>");
| out.println("<h1>Servlet addClient at " + sum + "</h1>");
| out.println("</body>");
| out.println("</html>");
| out.close();
|
| } catch(java.rmi.RemoteException ex) {
| // TODO handle remote exception
| } catch(Exception ex) {
| // TODO handle custom exceptions here
| }
| }
|
| // <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
| */
| 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
| */
| protected void doPost(HttpServletRequest request, HttpServletResponse
response)
| throws ServletException, IOException {
| processRequest(request, response);
| }
|
| /** Returns a short description of the servlet.
| */
| public String getServletInfo() {
| return "Short description";
| }
| // </editor-fold>
|
| private pack.AdderWebService getAdderWebService() {
| pack.AdderWebService adderWebService = null;
| try {
| javax.naming.InitialContext ic = new
javax.naming.InitialContext();
| adderWebService = (pack.AdderWebService)
ic.lookup("java:comp/env/service/AdderWebService");
|
| } catch(javax.naming.NamingException ex) {
| ex.printStackTrace();
| }
| return adderWebService;
| }
|
| private pack.AdderWebServiceSEI getAdderWebServiceSEIPort() {
| pack.AdderWebServiceSEI adderWebServiceSEIPort = null;
| try {
| Stub stub;
| adderWebServiceSEIPort =
getAdderWebService().getAdderWebServiceSEIPort();
| stub = (Stub)adderWebServiceSEIPort;
| stub._setProperty(javax.xml.rpc.Stub.SESSION_MAINTAIN_PROPERTY,
true);
| adderWebServiceSEIPort= (pack.AdderWebServiceSEI)stub;
| } catch(javax.xml.rpc.ServiceException ex) {
| ex.printStackTrace();
| }
| return adderWebServiceSEIPort;
| }
| }
|
|
and here is the code for the JSE endpoint:
| package pack;
|
| import javax.servlet.http.HttpSession;
| import javax.servlet.http.HttpSessionEvent;
| import javax.servlet.http.HttpSessionListener;
| import javax.xml.rpc.ServiceException;
| import javax.xml.rpc.handler.soap.SOAPMessageContext;
| import javax.xml.rpc.server.ServiceLifecycle;
| import javax.xml.rpc.server.ServletEndpointContext;
|
|
| /**
| * This is the implementation bean class for the AdderWebService web
service.
| * Created May 22, 2006 8:30:25 PM
| * @author julien
| */
| public class AdderWebServiceImpl implements AdderWebServiceSEI,
ServiceLifecycle{
|
| ServletEndpointContext endptCtx;
| SOAPMessageContext msgCtx;
|
| /**
| * Web service operation
| */
| public int add(int number) throws java.rmi.RemoteException {
| System.out.println("add called");
|
| HttpSession session = endptCtx.getHttpSession();
| System.out.println("SESSION ID "+session.getId());
|
| if(session !=null){
|
| System.out.println("session not null");
| String idFromClient = msgCtx.getProperty("id").toString();
System.out.println("----"+idFromClient);
| String id = (String)session.getAttribute("id");
System.out.println("----"+id);
|
| if (id!= null && idFromClient.equals(id)){
| System.out.println("nested non null");
| int total = (Integer)session.getAttribute("total") + number;
| session.setAttribute("total",total);
| return total;
| } else{
| System.out.println("nested null");
| session.setAttribute("id", idFromClient);
| int total = number;
| session.setAttribute("total",total);
| System.out.println("here"+session.getAttribute("id"));
| return total;
| }
|
| } else{
| System.out.println("session null");
| return 0;
| }
| }
|
| public void init(Object context) throws ServiceException {
| System.out.println("init called");
| endptCtx = (ServletEndpointContext) context;
| msgCtx = (SOAPMessageContext)endptCtx.getMessageContext();
| }
|
| public void destroy() {
| System.out.println("destroy called");
| }
|
|
|
| }
|
Here is the output from the console:
| 1:53:47,692 INFO [AxisService] Web Service deployed:
http://ordinateur:8080/WebApplicationFiveEndpoint/AdderWebService
| 01:53:48,720 INFO [STDOUT] session Created
| 01:53:57,708 INFO [STDOUT] init called
| 01:53:57,769 INFO [STDOUT] [EMAIL PROTECTED]:message-id: null]]
| 01:53:57,769 INFO [STDOUT] 123456789
| 01:53:57,774 INFO [STDOUT] add called
| 01:53:57,774 INFO [STDOUT] session Created
| 01:53:57,775 INFO [STDOUT] SESSION ID B15EEC235A416BE62D36192EAEB8AA88
| 01:53:57,775 INFO [STDOUT] session not null
| 01:53:57,776 INFO [STDOUT] ----123456789
| 01:53:57,776 INFO [STDOUT] ----null
| 01:53:57,776 INFO [STDOUT] nested null
| 01:53:57,778 INFO [STDOUT] here123456789
| 01:53:57,792 INFO [STDOUT] destroy called
| 01:54:04,027 INFO [STDOUT] init called
| 01:54:04,042 INFO [STDOUT] [EMAIL PROTECTED]:message-id: null]]
| 01:54:04,042 INFO [STDOUT] 123456789
| 01:54:04,043 INFO [STDOUT] add called
| 01:54:04,044 INFO [STDOUT] session Created
| 01:54:04,044 INFO [STDOUT] SESSION ID 1C0770F2DF80971FC59F54DE3CCBBCE0
| 01:54:04,044 INFO [STDOUT] session not null
| 01:54:04,044 INFO [STDOUT] ----123456789
| 01:54:04,045 INFO [STDOUT] ----null
| 01:54:04,045 INFO [STDOUT] nested null
| 01:54:04,045 INFO [STDOUT] here123456789
| 01:54:04,082 INFO [STDOUT] destroy called
|
As you can see, I have enabled session maintenance and still it does not work.
FYI, I use Jboss 4.0.3. Can anyone help please??
Thanks in advance,
Julien.
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