Hi All,
I need a suggestion. I have requirement of downloading file from the server.
I am using GWT . Which one would be the best approach to send the request to
the server , RequestBuilder or RPC.
I have to send multiple report ids to the server. Based on the these report
Ids I need make a service call at the server side and get the OutputStream.
If I am using Request Builder ,
Approach 1 :
I can send all these report Ids as a comm separated string as a part of
the request data and then parse them in the servlet to make the service call
. But it's failing when I am trying to do
Wndow.location.assign(Servlet_name+"?"+requestdata);
Approach 2 :
I can create a form and pass the Ids as a hiden parameter to servlet and
then leave it to the browser. I won't do any
explicit Wndow.location.assign(Servlet_name+"?"+requestdata);. As soon as My
servlet flush the OutputStream , browser should take care of that as the
OutputStream is sent as a part of response. No temp file being created here
. - This is working fine.
If I am using RPC call ,
Straight forward RPC Call. In the Service IMPL I am creating a temp file in
the tmp folder and onSuccess() I am doing ,
String baseURL = GWTServiceUtil.getContextPath() + result;
Window.Location.assign(baseURL);
Th is working fine too..
Which one is the better among these too and why ?
Thanks in advance ,
- Tapas
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