/* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*
* @author Jorge Gustavo Rocha / Universidade do Minho
* @author Nuno Carvalho Oliveira / Universidade do Minho
*/
package org.geoserver.w3ds.kvp;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.ParserConfigurationException;
import org.geoserver.catalog.Catalog;
import org.geoserver.config.GeoServer;
import org.geoserver.ows.KvpRequestReader;
import org.geoserver.w3ds.types.GetSceneRequest;
import org.geoserver.w3ds.types.W3DSLayerInfo;
import org.geoserver.w3ds.utilities.Format;
import org.geoserver.w3ds.utilities.Operation;
import org.opengis.geometry.Envelope;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.xml.sax.SAXException;
import com.vividsolutions.jts.geom.Coordinate;
public class GetSceneKvpRequestReader extends KvpRequestReader {
private GeoServer geoServer;
private Catalog catalog;
public GetSceneKvpRequestReader(Class requestBean, Catalog catalog,
GeoServer geoServer) throws IOException, ParserConfigurationException, SAXException {
super(requestBean);
this.catalog = catalog;
this.geoServer = geoServer;
}
public GetSceneRequest read(Object request, Map kvp, Map rawKvp) throws Exception {
GetSceneRequest gsr = (GetSceneRequest) super.read(request, kvp, rawKvp);
String aux = (String) rawKvp.get("SERVICE");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter SERVICE is missing: "
+ rawKvp.toString());
}
// TODO: Test service validity.
String service = "W3DS";
aux = (String) rawKvp.get("VERSION");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter VERSION is missing: "
+ rawKvp.toString());
}
// TODO: Test version validity.
String version = "0.4.0";
aux = (String) rawKvp.get("REQUEST");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter REQUEST is missing: "
+ rawKvp.toString());
}
// TODO: Test request validity.
Operation requestStr = Operation.GETSCENE;
aux = (String) rawKvp.get("FORMAT");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter FORMAT is missing: "
+ rawKvp.toString());
}
Format format = KVPUtils.parseFormat(aux, gsr);
aux = (String) rawKvp.get("CRS");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter CRS is missing: " + rawKvp.toString());
}
CoordinateReferenceSystem crs = KVPUtils.parseCRS(aux);
aux = (String) rawKvp.get("BOUNDINGBOX");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter BOUNDINGBOX is missing: "
+ rawKvp.toString());
}
Envelope bbox = KVPUtils.parseBbox(aux, crs, LOGGER);
aux = (String) rawKvp.get("LAYERS");
if (aux == null) {
throw new IllegalArgumentException(
"Mandatory parameter LAYERS is missing: "
+ rawKvp.toString());
}
List<W3DSLayerInfo> layers = KVPUtils.parseLayers(aux, catalog, LOGGER);
aux = (String) rawKvp.get("STYLES");
if (aux != null) {
KVPUtils.parseStyles(layers, aux, catalog);
}
else {
KVPUtils.setDefaultStyles(layers, catalog);
}
// TODO: Handle the baseURL parameter.
String baseUrl = "geoserver/w3ds?";
aux = (String) rawKvp.get("OFFSET");
Coordinate offset = KVPUtils.parseOffset(aux, bbox);
gsr.setMandatoryParameters(service, requestStr, version, baseUrl, rawKvp, crs, bbox, format, layers);
gsr.setOffset(offset);
// Hacking to use WMS to generate KML(provisory)
gsr.setGeoServer(geoServer);
return gsr;
}
}