/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2011, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotoolkit.processing.vector.difference;
import com.vividsolutions.jts.geom.Geometry;
import org.geotoolkit.data.FeatureStoreRuntimeException;
import org.geotoolkit.data.FeatureCollection;
import org.geotoolkit.data.memory.WrapFeatureCollection;
import org.geotoolkit.processing.vector.VectorProcessUtils;
import org.opengis.feature.Feature;
import org.opengis.feature.FeatureType;
import org.opengis.geometry.MismatchedDimensionException;
import org.opengis.referencing.operation.TransformException;
import org.opengis.util.FactoryException;
/**
* FeatureCollection for Difference process
* @author Quentin Boileau
* @module
*/
public class DifferenceFeatureCollection extends WrapFeatureCollection {
private final FeatureType newFeatureType;
private final FeatureCollection clippingList;
/**
* Connect to the original FeatureConnection
* @param originalFC FeatureCollection
* @param clippingList
*/
public DifferenceFeatureCollection(final FeatureCollection originalFC, final FeatureCollection clippingList) {
super(originalFC);
this.clippingList = clippingList;
this.newFeatureType = VectorProcessUtils.changeGeometryFeatureType(super.getFeatureType(), Geometry.class);
}
/**
* Return the new FeatureType
* @return FeatureType
*/
@Override
public FeatureType getFeatureType() {
return newFeatureType;
}
/**
* {@inheritDoc }
*/
@Override
protected Feature modify(final Feature original) {
try {
return DifferenceProcess.clipFeature(original, newFeatureType, clippingList);
} catch (MismatchedDimensionException ex) {
throw new FeatureStoreRuntimeException(ex);
} catch (TransformException ex) {
throw new FeatureStoreRuntimeException(ex);
} catch (FactoryException ex) {
throw new FeatureStoreRuntimeException(ex);
}
}
}