I didn't realize about the WMS POST capability. Is that in the docs? I
guess this would be useful for including very long requests (e.g. long
filter expressions) ?
On Fri, Dec 19, 2014 at 5:49 AM, Andrea Aime <[email protected]>
wrote:
>
> On Fri, Dec 19, 2014 at 1:53 PM, Cosme Benito <[email protected]>
> wrote:
>>
>> Hello, I’m trying to implement a GetFeatureInfo request using HTTP POST
>> with the data in JSON format.
>>
>>
>>
>> Instead of doing something like:
>>
>> $http.get(‘http://geoserver/
>> GetFeatureInfo&service=WMS&version=1.1.1&BBOX=-9.268684387207031%2C38.697769425719144%2C-9.048957824707031%2C38.78580303175891&width=2560&height=1315&query_layers=Pingo+Doce%2CTarget+ACP&layers=Pingo+Doce%2CTarget+ACP&info_format=application%2Fjson&feature_count=50&x=1476&y=579&cql_filter=(1%3D1)%3B(whatever+%3E+100)
>> ’);
>>
>>
>>
>> I want to be doing a POST request as such:
>>
>>
>>
>> $http.post(url,
>>
>> {
>>
>> request: 'GetFeatureInfo',
>>
>> service: 'WMS',
>>
>> version: '1.1.1',
>>
>> BBOX: bbox,
>>
>> width: width,
>>
>> height: height,
>>
>> query_layers: layersString,
>>
>> layers: layersString,
>>
>> info_format: 'application/json',
>>
>> feature_count: '50',
>>
>> x: x,
>>
>> y: y,
>>
>> cql_filter: filtersString
>>
>> },
>>
>> {"headers" : { "Content-Type" : "application/json; charset=UTF-8" }
>>
>> });
>>
>>
>>
>> However, it appears that GeoServer is expecting a XML input or something,
>> the response I get is:
>>
>> <ows:ExceptionText>org.xmlpull.v1.XmlPullParserException: only whitespace
>> content allowed before start tag and not - (position: START_DOCUMENT seen
>> -... @1:1)
>>
>> only whitespace content allowed before start tag and not - (position:
>> START_DOCUMENT seen -... @1:1) </ows:ExceptionText>
>>
>> </ows:Exception>
>>
>>
>>
>> Is it not possible to make a POST request with JSON data? L
>>
>
> No, it's not possible, GetFeatureInfo is only defined as a GET request.
> As an out of WMS standard addition, you can do a form POST with the same
> parameters as the GET request.
>
> There is no support for either XML or JSON (well, posting JSON is not
> supported by any OGC protocol at all).
>
> Cheers
> Andrea
>
> --
> ==
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>
> Ing. Andrea Aime
> @geowolf
> Technical Lead
>
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