Dear all
I am attempting to load a Mapserver WFS layer via the Openlayers WFS Protocol.
I use a PHP Mapscript wrapper on my WFS server to handle the OwS requests -
however, it only seems to respond to GET requests and not POST requests.
Openlayers sends the WFS request using POST (and I think it is a bit of an
encoded request so may need decoding on the mapserver end). The result of this
being that my mapscript wrapper doesn't respond.
Therefore I see two options
1. getting mapscript to read the POST request (as well as other GET requests)
2. getting Openlayers to send the WFS request as GET (although this become a
problem with lots of filters, etc.)
I wonder if someone on the list could point me in the right direction?
Many thanks
Stuart
Here is my mapscript code:
=====
$request = ms_newowsrequestobj();
$buffer = FALSE;
//now we need to set up the request parameters and loop through them adding
them to the request object
foreach ($_REQUEST as $key =>$value) {
$request->setParameter($key,$value);
}
ms_ioinstallstdouttobuffer();
//this mapfile path is set in config/settings
if ($request->getValueByName('SERVICE') == 'WMS') {
$oMap = ms_newMapobj("$wms_map");
}
if ($request->getValueByName('SERVICE') == 'WFS') {
$oMap = ms_newMapobj("$wfs_map");
}
$oMap->owsdispatch($request);
$contenttype = ms_iostripstdoutbuffercontenttype();
..etc
====
here is what is sent via POST by Openlayers (as retrieved from FireBug):
====
<wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs"; service="WFS"
version="1.0.0" xsi:schemaLocation="http://www.opengis.net/wfs
http://schemas.opengis.net/wfs/1.0.0/WFS-transaction.xsd";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";><wfs:Query
typeName="settlements"/></wfs:GetFeature>
====
And here is my Openlayers call:
====
var settlements = new OpenLayers.Layer.Vector("WFS", {
strategies: [new OpenLayers.Strategy.BBOX()],
protocol: new OpenLayers.Protocol.WFS({
url: "http://localhost/path/to/my/mapscript.php?";,
featureType: "settlements",
featurePrefix: "ms",
version: "1.0.0",
}),
});
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