Examples of org.geotools.data.wms.request.GetFeatureInfoRequest

org.geotools.data.wms.request.GetFeatureInfoRequest
Information required for a GetFeatureInfo request.
Q: queryableLayers is a Set - is this true? Or is order important Q: infoFormats - what does this do? Do these match up with querableLayers? Or is it a list of formats our client is willing to understand?
@author Richard Gould, Refractions Research @source $URL$

        else {
            // supply an empty String as per UDIG-1507
            getmap.setProperty(GetMapRequest.STYLES, "");
        }
        
        final GetFeatureInfoRequest request = wms.createGetFeatureInfoRequest( getmap );                       
        request.setInfoFormat( desiredFormat );
        request.setQueryPoint( centre.x, centre.y );                
        request.setQueryLayers( Collections.singleton( wmslayer ) );
                
        LayerPointInfo info = new LayerPointInfo( layer ){
                    
            private GetFeatureInfoResponse response;
            /** Lazy request */
                    
            protected GetFeatureInfoResponse getResponse() throws IOException {
                if (this.response == null) {
                    try {
                        System.out.println(request.getFinalURL());
                        this.response = wms.issueRequest( request );
                    } catch (SAXException e) {
                        throw new IOException(
                                "Unable to parse the returned response from the server. Reason unknown."); //$NON-NLS-1$
                    }
                }
                return this.response;
            }
            public URL getRequestURL() {
                return request.getFinalURL();
            }
            /** Only acquire the value if needed */
            public String getMimeType() {
                try {
                    return getResponse().getContentType();

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        String format = format(operationType, "jpeg");
        getMap.setFormat(format);
        getMap.setDimensions(500, 500);
        URL url = getMap.getFinalURL();
        
        GetFeatureInfoRequest getFeatureInfo = wms.createGetFeatureInfoRequest( getMap );
        getFeatureInfo.setInfoFormat("text/html");
        getFeatureInfo.setQueryLayers( Collections.singleton(layer));
        getFeatureInfo.setQueryPoint( 75,  100 );
        URL url2 = getFeatureInfo.getFinalURL();
        
        GetFeatureInfoResponse response = wms.issueRequest(getFeatureInfo);
        assertEquals("text/html", response.getContentType() );
        InputStream stream = response.getInputStream();
        StringBuilderWriter writer = new StringBuilderWriter();

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            getMapRequest.setFormat("image/png");
//        http://demo.cubewerx.com/cipi12/cubeserv/cubeserv.cgi?INFO_FORMAT=text/html&LAYERS=ETOPO2:Foundation&FORMAT=image/png&HEIGHT=400&J=200&REQUEST=GetFeatureInfo&I=200&BBOX=-34.12087,15.503481,1.8462441,35.6043956&WIDTH=400&STYLES=&SRS=EPSG:4326&QUERY_LAYERS=ETOPO2:Foundation&VERSION=1.3.0
            getMapRequest.setBBox("-34.12087,15.503481,1.8462441,35.6043956");
            URL url2 = getMapRequest.getFinalURL();
            
            GetFeatureInfoRequest request = wms.createGetFeatureInfoRequest(getMapRequest);
//        request.setQueryLayers(request.getQueryableLayers());
            request.setProperty(GetFeatureInfoRequest.QUERY_LAYERS, "ETOPO2:Foundation");
            request.setQueryPoint(200, 200);
            request.setInfoFormat("text/html");
            
            //System.out.println(request.getFinalURL());
            
//     TODO   Currently this server rtreturns code 400 !?
            GetFeatureInfoResponse response = (GetFeatureInfoResponse) wms.issueRequest(request);

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     * @return
     * @throws IOException
     */
    public InputStream getFeatureInfo(DirectPosition2D pos, String infoFormat, int featureCount, GetMapRequest getmap)
            throws IOException {
        GetFeatureInfoRequest request = wms.createGetFeatureInfoRequest(getmap);
        request.setFeatureCount(1);
        request.setQueryLayers(new LinkedHashSet<Layer>(layers));
        request.setInfoFormat(infoFormat);
        request.setFeatureCount(featureCount);
        try {
            AffineTransform tx = RendererUtilities.worldToScreenTransform(requestedEnvelope,
                    new Rectangle(width, height));
            Point2D dest = new Point2D.Double();
            Point2D src = new Point2D.Double(pos.x, pos.y);
            tx.transform(src, dest);
            request.setQueryPoint((int) dest.getX(), (int) dest.getY());
        } catch (Exception e) {
            throw (IOException) new IOException("Failed to grab feature info").initCause(e);
        }


        try {
            if(LOGGER.isLoggable(Level.FINE)) {
                LOGGER.fine("Issuing request: " + request.getFinalURL());
            }
            GetFeatureInfoResponse response = wms.issueRequest(request);
            return response.getInputStream();
        } catch (IOException e) {
            throw e;

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            throw new UnsupportedOperationException("This Web Map Server does not support GetFeatureInfo requests");
        }


        URL onlineResource = findURL(getCapabilities().getRequest().getGetFeatureInfo());
        
        GetFeatureInfoRequest request = getSpecification().createGetFeatureInfoRequest(onlineResource,
                getMapRequest);


        return request;
    }

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