/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.wcs.kvp;
import java.util.List;
import net.opengis.wcs10.AxisSubsetType;
import net.opengis.wcs10.IntervalType;
import net.opengis.wcs10.TypedLiteralType;
import net.opengis.wcs10.Wcs10Factory;
import org.geoserver.ows.KvpParser;
import org.geoserver.ows.util.KvpUtils;
import org.geoserver.ows.util.KvpUtils.Tokenizer;
import org.vfny.geoserver.wcs.WcsException;
import org.vfny.geoserver.wcs.WcsException.WcsExceptionCode;
/**
* WCS 1.0.0 BBoxKvpParser.
*
* @author Alessio Fabiani, GeoSolutions
*
*/
public class AxisSubsetKvpParser extends KvpParser {
public AxisSubsetKvpParser() {
super("band", AxisSubsetType.class);
setService("wcs");
}
public Object parse(String value) throws Exception {
final AxisSubsetType axisSubset = Wcs10Factory.eINSTANCE.createAxisSubsetType();
axisSubset.setName("Band");
if (value.contains("/")) {
List<String> unparsed = KvpUtils.readFlat(value, new Tokenizer("/"));
IntervalType interval = Wcs10Factory.eINSTANCE.createIntervalType();
TypedLiteralType min = Wcs10Factory.eINSTANCE.createTypedLiteralType();
TypedLiteralType max = Wcs10Factory.eINSTANCE.createTypedLiteralType();
TypedLiteralType res = Wcs10Factory.eINSTANCE.createTypedLiteralType();
if (unparsed.size() == 2) {
min.setValue(unparsed.get(0));
max.setValue(unparsed.get(1));
interval.setMin(min);
interval.setMax(max);
} else {
min.setValue(unparsed.get(0));
max.setValue(unparsed.get(1));
res.setValue(unparsed.get(2));
interval.setMin(min);
interval.setMax(max);
interval.setRes(res);
}
axisSubset.getInterval().add(interval);
} else {
List<String> unparsed = KvpUtils.readFlat(value, KvpUtils.INNER_DELIMETER);
if (unparsed.size() == 0) {
throw new WcsException(
"Requested axis subset contains wrong number of values (should have at least 1): "
+ unparsed.size(), WcsExceptionCode.InvalidParameterValue, "band");
}
for (String bandValue : unparsed) {
TypedLiteralType singleValue = Wcs10Factory.eINSTANCE.createTypedLiteralType();
singleValue.setValue(bandValue);
axisSubset.getSingleValue().add(singleValue);
}
}
return axisSubset;
}
}