Re: [Coefficient-devel] Asynchronous JavaScript -AJAX

[pieter v. z. <pv...@cs...>]

I don't know AJAX.

And now I am going to guess......

I would suggestion modifying CoefficientServlet.

Or
CoefficientServlet.execute() {..........
CoefficientWebContext ctx =3D new CoefficientWebContext(request,
response);
            interceptor.invoke(ctx);
            // synchronize with CoefficientContext (reset session
variables,
            // update cookies, forward if needed, etc...)
            ctx.synchronize(request, response);

            // Write out the page content
            ctx.getPage().process(response.getWriter());
...........
}

one could modify the response in page.process method, where we are
building and adding the page layouts.


Hope this helps a bit.....

On Tue, 2006-09-19 at 17:18 -0400, Miguel Perez wrote:
> I=FFm trying to write a javascript using AJAX to return some values from
> the server.
>=20
>=20=20
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> For example
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>  var req;
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>=20=20
>=20
> function validate() {
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>    var idField =3D document.getElementById("userid");
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>    var url =3D "validate?id=3D" + escape(idField.value);
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>    if (window.XMLHttpRequest) {
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>        req =3D new XMLHttpRequest();
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>    } else if (window.ActiveXObject) {
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>        req =3D new ActiveXObject("Microsoft.XMLHTTP");
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>    }
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>    req.open("GET", url, true);
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>    req.onreadystatechange =3D callback;
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>    req.send(null);
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> }
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>=20=20
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> My question is how do I get the values back from coefficient.  I can
> execute the methods and a module but I don=FFt have access to
> response.getWriter from ctx.
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>=20=20
>=20
> Do I need to write a next class, modify CoefficientServlet, or is
> there a way to do this via ctx (coefficientcontext)?
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>=20=20
>=20
> Any help would be deeply appreciated.
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>=20=20
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> regards
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>=20=20
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>=20
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