Re: Session Tracking

Write a service on Server side which extends RemoteServiceServlet.
Create an object of type HttpSession as a member.
Write methods to serAttribute and getAttribute.

On client side. Inject the service and call setAttribute and
getAttribute methods wherever you want to add data to session or read
data from session.

Refer sample code below:

SessionService ( On server side)

import java.awt.List;

import javax.servlet.http.HttpSession;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

@SuppressWarnings("serial")
public class SessionImpl extends RemoteServiceServlet implements
ISession {

       public static HttpSession httpSession;

       @Override
       public String getStrAttribue(String attribute) {
              httpSession = getThreadLocalRequest().getSession(true);
              return  (String) httpSession.getAttribute(attribute);
       }

       @Override
       public void setAttribue(String attribute, String attValue) {
              httpSession = getThreadLocalRequest().getSession(true);
              httpSession.setAttribute(attribute, attValue);

       }

}

To use session (on client side)

@Inject
       public ISessionAsync session;

                                 
session.setAttribue("User","Sujit",new  AsyncCallback<Void>() {

                                         @Override
                                         public void onSuccess(Void
result) {
                                                //some event
                                         }

                                         @Override
                                         public void
onFailure(Throwable caught) {
                                                // TODO Auto-generated
method stub

                                         }
                                  });

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