Examples with Wfs ol.format.Wfs used on opensource projects

Example 1 with Wfs

use of ol.format.Wfs in project gwt-ol3 by TDesjardins.

the class WfsExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    // create a vector layer
    Vector vectorSource = new Vector();
    VectorLayerOptions vectorLayerOptions = new VectorLayerOptions();
    vectorLayerOptions.setSource(vectorSource);
    ol.layer.Vector wfsLayer = new ol.layer.Vector(vectorLayerOptions);
    // create a view
    View view = new View();
    Coordinate centerCoordinate = new Coordinate(-8908887.277395891, 5381918.072437216);
    view.setCenter(centerCoordinate);
    view.setZoom(12);
    view.setMaxZoom(19);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(DemoUtils.createOsmLayer());
    map.addLayer(wfsLayer);
    Wfs wfs = new Wfs();
    WfsWriteFeatureOptions wfsWriteFeatureOptions = new WfsWriteFeatureOptions();
    String[] featureTypes = { "water_areas" };
    wfsWriteFeatureOptions.setSrsName("EPSG:3857");
    wfsWriteFeatureOptions.setFeaturePrefix("osm");
    wfsWriteFeatureOptions.setFeatureNS("http://openstreemap.org");
    wfsWriteFeatureOptions.setFeatureTypes(featureTypes);
    // set a filter
    wfsWriteFeatureOptions.setFilter(new IsLike("name", "Mississippi*"));
    wfsWriteFeatureOptions.setOutputFormat("application/json");
    // create WFS-XML node
    Node wfsNode = wfs.writeGetFeature(wfsWriteFeatureOptions);
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.POST, "https://ahocevar.com/geoserver/wfs");
    requestBuilder.setRequestData(new XMLSerializer().serializeToString(wfsNode));
    requestBuilder.setCallback(new RequestCallback() {

        @Override
        public void onResponseReceived(com.google.gwt.http.client.Request request, Response response) {
            GeoJson geoJson = new GeoJson();
            Feature[] features = geoJson.readFeatures(response.getText());
            vectorSource.addFeatures(features);
            map.getView().fit(vectorSource.getExtent());
        }

        @Override
        public void onError(com.google.gwt.http.client.Request request, Throwable exception) {
            Window.alert(exception.getMessage());
        }
    });
    try {
        requestBuilder.send();
    } catch (RequestException e) {
        Window.alert(e.getMessage());
    }
}