I think I understand. It is the server which has to wrap the response in the callback function I send. But that must be implemented on the other side, isn't it ?
On Nov 8, 7:14 pm, Nacho G <[email protected]> wrote: > I don't have control and I have to figure this out without asking the > engineers who has put the file. I'm trying to get the data from an > urlhttp://www.url.com/path/filename.xml. How can I now if I have access > to passing a callback get parameter? > I'm trying something like this: > > var request = new Request.JSONP({ > url: 'http://www.url.com/path/filename.xml', > method : 'GET', > callbackKey: 'callback=myfunc' > }); > request.send (); > > window.myfunc = function(data) { > > }; > > myfunc is supposed to do something, I don't know what. > > On Nov 8, 7:03 pm, Sean McArthur <[email protected]> wrote: > > > Do you have control over the XML resource? I assume it's coming from some > > back-end script that is generating it. If not, you could ask the engineers > > that do you have access to allow passing a "callback" GET parameter. > > > On Mon, Nov 8, 2010 at 9:59 AM, Nacho G <[email protected]> wrote: > > > Excuse my ignorance but I'm not sure how to do that and I can't find > > > more information about the jsonp callback > > > Could you give a little example ? > > > > thanks a lot > > > > On Nov 8, 6:31 pm, Sean McArthur <[email protected]> wrote: > > > > You could look up the new cross domain request stuff, but using JSONP > > > might > > > > be easier. It's not parsing the XML as JSON. > > > > > The idea of JSONP is that you make a cross domain request, and provide a > > > > callback function. The server spits out JSON, and wraps it in the > > > callback > > > > function. > > > > > my_callback({ "a":"stuff", "b":"otherstuff"}); > > > > > Request.JSONP makes the callback stuff real easy for you. As well, this > > > > request is put inside a script element, so it can execute as JavaScript. > > > To > > > > get your XML request to work, it would have to wrap the XML with the > > > > callback method that Request.JSONP is sending, and escape all the XML to > > > fit > > > > inside a single string. > > > > > my_callback('<things><thing id="one">a thing</thing><thing > > > > id="two">it\'s > > > > another thing</thing></things>'); > > > > > On Mon, Nov 8, 2010 at 8:43 AM, Nacho G <[email protected]> wrote: > > > > > Hello, I'm trying to get data from a remote XML file but I'm getting a > > > > > preflight request with REQUEST because I'm requesting a cross-domain > > > > > XMLHttpRequest. > > > > > > With Request.JSONP I don't have that problem and I get the data from > > > > > the remote XML but the problem is that mootools parse the result and > > > > > it gives an error as the result is XML not JSON. > > > > > > how can I make a regular Request avoiding the preflight request? or > > > > > how can I stop JSONP from parsing the result? > > > > > > thanks
