[OpenLayers-Users] modify wfs layer protocol

[Steve.Toutant at inspq.qc.ca]

I'm using a wps client that send a wfs getfeature request in POST.
Here is the part of the payload I'm looking
<wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs" service="WFS" 
version="1.1.0" outputFormat="GML2"><wfs:Query typeName="caserne" >

In some cases I need to programmatically add this params maxFeatures="50". 
The payload must become
<wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs" service="WFS" 
version="1.1.0" outputFormat="GML2" maxFeatures="3"><wfs:Query 
typeName="caserne" >

I tried layer.protocol.maxFeatures = 50, but this add the param in the 
wfs:query tag which doesn't work.

How should I modify the layer protocol to add maxFeatures param only when 
needed?
Thank you
Steve
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