you can call a servlet from client side like this (may be you want put these
code into AsyncCallback method body, from gwt servlet):
btn.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
final String link = GWT.getModuleBaseURL() +
"someServlet?year="+year.getValue(year.getSelectedIndex())+"&month="+month.getValue(month.getSelectedIndex());
RequestBuilder builder = new
RequestBuilder(RequestBuilder.GET,link);
try {
builder.sendRequest(null, new RequestCallback() {
@Override
public void onResponseReceived(Request request,
Response response) {
if (response.getStatusCode() == 200) {
// response.getText();
} else if (response.getStatusCode() == 404) {
Window.alert("Service not available.");
}
}
@Override
public void onError(Request request, Throwable
exception) {
Window.alert("Service not available.");
}
});
} catch (RequestException re) {
GWT.log("Error", re);
}
}
});
________________________________
From: vaibhav bhalke <bhalke.vaib...@gmail.com>
To: google-web-toolkit@googlegroups.com
Sent: Wednesday, August 31, 2011 4:30 PM
Subject: GWT : How to call SERVLET FROM GWT_SERVLET and How to return value
from target servlet to source servlet?
I have 2 servlets.
One In GWT module i.e BasicServiceImpl extends RemoteServiceServlet implements
BasicMassUpdateService
and other servlet TargetServlet extends HttpServlet in TargetServlet in diff
module/package com.comp.server.servlets
I am using GWT-RPC in my gwt module. I want to write one method
getRecordList() in BasicServiceImpl which returns list of record on
client side.(right now I am sending dummy data in record list)
In other servlet i.e TargetServlet RecordList formed from database value.
Use case:
When we call getRecordList() method using rpc then I want to call
SERVLET : TargetServlet to get recordlist, TargetServlet will return
recordlist to getRecordList of Gwt_servlet and finally getRecordList()
returns recordlist on client side
1: How to call other servlet(TargetServlet) from GWT_SERVLET i.e
BasicServiceImpl
2: How to send recordlist from TargetServlet to getRecordList() of
BasicServiceImpl(GWT SERVLET)
Any help or guidance in this matter would be appreciated
--
Best Regards,
Vaibhav
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