On 12/11/2010 19:45, Derrell Lipman wrote:
On Fri, Nov 12, 2010 at 13:06, Joffrey Fuhrer - NOVLOG
<[email protected] <mailto:[email protected]>> wrote:
Hi list,
We're currently implementing a new functionality in our app that
behaves
like a download (we want to serve a file to the user) but isn't really
fetching a file on the server. For this purpose, doing a request to a
servlet using the Iframe class seemed like a good idea even though
the API
advises against it ("This class should not be used directly by client
programmers.").
The warning should be heeded. There are many interactions between the
(considered to be private) transport classes and the
qx.io.remote.{Request,Exchange,Response} classes. Once you find the
solution to your current problem, you may well encounter others
because of those interactions. You're pretty much on your own if you
insist on accessing the private classes. I'd recommend that you use
the public qx.io.remote.Request class to issue your requests. When you
use qx.io.remote.Request, you don't specify directly which transport
to use. Instead, you specify a set of requirements that must be met,
e.g. whether this is a cross-domain request, whether you need form
fields, etc., and an appropriate transport is selected for you.
If you describe in more detail what request you want to issue and what
you're trying to accomplish, we may be able to better direct you.
Derrell
Hi,
Thanks for the precisions. I had considered using qx.io.remote.Request
but found myself skeptical because of the necessity to specify a
responseType, and the fact that the "allowed values" are only a
small subset of all the MIME types that actually exist (plus the
fact that the one I want to use is not in this list). Is there a
reason for that? Are theses values enforced at some point (for example
with exceptions)?
Thanks again for your help,
--
Joffrey Fuhrer
NOVLOG Intern
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