XJSONDataSource Http Headers

[agalvao]

Using:
SmartGWT 2.4 LGPL
GWT 2.2
Google Chrome

Problem:
I need to include a http header in my requests.
I'm using XJSONDataSource, and in transformRequest method I'm including the following code:

Map<String, String> headers = new LinkedHashMap<String, String>();
headers.put("test", "something");
dsRequest.setHttpHeaders(headers);
dsRequest.setTransport(RPCTransport.XMLHTTPREQUEST);
return super.transformRequest(dsRequest);

When I see the received request, the header is not included. Am I doing something wrong?

Thanks,
agalvao

[Isomorphic]

This transport literally writes a <script> tag into the DOM. There is no way to include an HTTP header.

[agalvao]

But, is there any way of sending http headers when using XJSONDataSource?

[Isomorphic]

No, this is a fundamental browser limitation with cross-domain calls. Some more recent versions of browser support cross-domain xmlHttpRequests, but this will only work on those browsers.