/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
* This code is licensed under the GPL 2.0 license, availible at the root
* application directory.
*/
package org.geoserver.wcs.kvp;
import static org.vfny.geoserver.wcs.WcsException.WcsExceptionCode.MissingParameterValue;
import java.util.Map;
import net.opengis.ows11.BoundingBoxType;
import net.opengis.wcs11.DomainSubsetType;
import net.opengis.wcs11.GetCoverageType;
import net.opengis.wcs11.GridCrsType;
import net.opengis.wcs11.OutputType;
import net.opengis.wcs11.TimeSequenceType;
import net.opengis.wcs11.Wcs111Factory;
import org.geoserver.catalog.Catalog;
import org.geoserver.ows.kvp.EMFKvpRequestReader;
import org.vfny.geoserver.wcs.WcsException;
import org.vfny.geoserver.wcs.WcsException.WcsExceptionCode;
public class GetCoverageRequestReader extends EMFKvpRequestReader {
Catalog catalog;
public GetCoverageRequestReader(Catalog catalog) {
super(GetCoverageType.class, Wcs111Factory.eINSTANCE);
this.catalog = catalog;
}
@Override
public Object read(Object request, Map kvp, Map rawKvp) throws Exception {
GetCoverageType getCoverage = (GetCoverageType) super.read(request, kvp, rawKvp);
// grab coverage info to perform further checks
if (getCoverage.getIdentifier() == null)
throw new WcsException("identifier parameter is mandatory", MissingParameterValue,
"identifier");
// build the domain subset
getCoverage.setDomainSubset(parseDomainSubset(kvp));
// build output element
getCoverage.setOutput(parseOutputElement(kvp));
return getCoverage;
}
private DomainSubsetType parseDomainSubset(Map kvp) {
final DomainSubsetType domainSubset = Wcs111Factory.eINSTANCE.createDomainSubsetType();
// either bbox or timesequence must be there
BoundingBoxType bbox = (BoundingBoxType) kvp.get("BoundingBox");
TimeSequenceType timeSequence = (TimeSequenceType) kvp.get("TemporalSubset");
if (timeSequence == null && bbox == null)
throw new WcsException(
"Bounding box cannot be null, TimeSequence has not been specified",
WcsExceptionCode.MissingParameterValue, "BoundingBox");
domainSubset.setBoundingBox(bbox);
domainSubset.setTemporalSubset(timeSequence);
return domainSubset;
}
private OutputType parseOutputElement(Map kvp) throws Exception {
final OutputType output = Wcs111Factory.eINSTANCE.createOutputType();
output.setGridCRS(Wcs111Factory.eINSTANCE.createGridCrsType());
// check and set store
Boolean store = (Boolean) kvp.get("store");
if (store != null)
output.setStore(store.booleanValue());
// check and set format
String format = (String) kvp.get("format");
if (format == null)
throw new WcsException("format parameter is mandatory", MissingParameterValue, "format");
output.setFormat(format);
// set the other gridcrs properties
final GridCrsType gridCRS = output.getGridCRS();
gridCRS.setGridBaseCRS((String) kvp.get("gridBaseCrs"));
gridCRS.setGridType((String) kvp.get("gridType"));
gridCRS.setGridCS((String) kvp.get("gridCS"));
gridCRS.setGridOrigin((Double[]) kvp.get("GridOrigin"));
gridCRS.setGridOffsets((Double[]) kvp.get("GridOffsets"));
return output;
}
}