CODEWITHSUNDEEP
javasessiongwtcookies
Alex
Alex

Reputation: 2976

GWT: How to retrive and modify HttpServeletResponse in RPC?

I am making a web app which uses RPC as the main communication mechanism between my client and server. One thing I want to do is to prevent a user opening my web app in multiple browser tabs. So I want to assign some tab id based on the login time.

Unfortunately, it is not as simple as I expected. First of all, I do not know how to set cookies from my rpc servelet (RemoteServiceServlet) to the client's browser. I am not sure whether it is doable. If not, I hope there is a way to pass the cookie to the client by modifying the HttpServeletResponse. (I do not want to mix this cookie with my returning data.) Furthermore, how can I get the Response object from client side?

Any help will be appreciated.

EDIT:

I tried to set some cookies in the HttpServletResponse which I got from calling getThreadLocalResponse() But I cannot get them from the client side. Cookies.getCookie(xxx) always returns null.

Upvotes: 0

Views: 76

Answers (1)

Thomas Broyer
Thomas Broyer

Reputation: 64541

To access the HttpServletResponse from your RemoteServiceServlet, just call getThreadLocalResponse() (same is available for the request too).

Upvotes: 1

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