SOSClientDemo.java example

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geotoolkit-master

package org.geotoolkit.pending.demo.clients.sos;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Arrays;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import org.geotoolkit.observation.xml.v100.ObservationCollectionType;
import org.geotoolkit.ows.xml.v110.Operation;
import org.geotoolkit.ows.xml.v110.ValueType;
import org.geotoolkit.pending.demo.Demos;
import org.geotoolkit.sml.xml.AbstractSensorML;
import org.geotoolkit.sos.DescribeSensorRequest;
import org.geotoolkit.sos.GetCapabilitiesRequest;
import org.geotoolkit.sos.GetObservationRequest;
import org.geotoolkit.sos.SensorObservationServiceClient;
import org.geotoolkit.sos.xml.SOSMarshallerPool;
import org.geotoolkit.sos.xml.v100.Capabilities;
import org.geotoolkit.sos.xml.v100.GetObservation.FeatureOfInterest;
import org.apache.sis.xml.MarshallerPool;

/**
 *
 * @author Guilhem Legal (Geomatys)
 */
public class SOSClientDemo {

    public static void main(String[] args) throws MalformedURLException, URISyntaxException, IOException, JAXBException {
        Demos.init();

        final MarshallerPool pool = SOSMarshallerPool.getInstance();
        final Unmarshaller um = pool.acquireUnmarshaller();

        // build a new SOS client
        final SensorObservationServiceClient sosServer = new SensorObservationServiceClient(new URL("http://test.geomatys.com/swe_TS/WS/sos?"), "1.0.0");

        /**
         * make a getCapabilities request
         */
        final GetCapabilitiesRequest getCapa  = sosServer.createGetCapabilities();

        InputStream is = getCapa.getResponseStream();

        // unmarshall the response
        Capabilities capabilities = (Capabilities) um.unmarshal(is);

        // print the title of the server
        System.out.println(capabilities.getServiceIdentification().getTitle());

        // extract a sensorML identifier and outputFormat to make a describeSensor request
        Operation describeSensorOperation = capabilities.getOperationsMetadata().getOperation("DescribeSensor");

        String sensorID     = ((ValueType) describeSensorOperation.getParameter("procedure").getAllowedValues().getValueOrRange().get(0)).getValue();
        String outputFormat = ((ValueType) describeSensorOperation.getParameter("outputFormat").getAllowedValues().getValueOrRange().get(0)).getValue();

        // extract a all the parameters necessary to make a getObservation request
        Operation getObservationOperation = capabilities.getOperationsMetadata().getOperation("GetObservation");

        String offering          = ((ValueType) getObservationOperation.getParameter("offering").getAllowedValues().getValueOrRange().get(0)).getValue();
        String responseFormat    = ((ValueType) getObservationOperation.getParameter("responseFormat").getAllowedValues().getValueOrRange().get(0)).getValue();
        String phenomenon        = ((ValueType) getObservationOperation.getParameter("observedProperty").getAllowedValues().getValueOrRange().get(0)).getValue();
        String procedure         = ((ValueType) getObservationOperation.getParameter("procedure").getAllowedValues().getValueOrRange().get(0)).getValue();
        String featureOfInterest = ((ValueType) getObservationOperation.getParameter("featureOfInterest").getAllowedValues().getValueOrRange().get(0)).getValue();

        /**
         * make a DescribeSensor request
         */
        final DescribeSensorRequest descSensor = sosServer.createDescribeSensor();
        descSensor.setSensorId(sensorID);
        descSensor.setOutputFormat(outputFormat);

        is = descSensor.getResponseStream();

        // unmarshall the response
        AbstractSensorML sensorMLResponse = (AbstractSensorML) um.unmarshal(is);

        System.out.println(sensorMLResponse);

        /**
         * make a GetObservation request
         */
        final GetObservationRequest getObs = sosServer.createGetObservation();
        getObs.setOffering(offering);
        getObs.setObservedProperties(phenomenon);
        getObs.setProcedures(procedure);
        getObs.setResponseFormat(responseFormat);
        getObs.setFeatureOfInterest(new FeatureOfInterest(Arrays.asList(featureOfInterest)));

        is = getObs.getResponseStream();

        // unmarshall the response
        ObservationCollectionType getObsResponse = (ObservationCollectionType) um.unmarshal(is);

        System.out.println(getObsResponse);

        pool.recycle(um);
    }
}