/* Copyright 2013 The jeo project. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.jeo.geom;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
public class GeometryCollectionPath extends CoordinatePath {
GeometryCollection gcol;
CoordinatePath it;
int i;
GeometryCollectionPath(GeometryCollection gcol) {
this.gcol = gcol;
doReset();
}
@Override
public Geometry geometry() {
return gcol;
}
@Override
protected PathStep doNext(Coordinate c) {
while(!it.hasNext()) {
if (++i == gcol.getNumGeometries()) {
return PathStep.STOP;
}
it = create(gcol.getGeometryN(i));
}
return next(c);
}
PathStep next(Coordinate c) {
Coordinate d = it.next();
c.x = d.x;
c.y = d.y;
return it.step();
}
@Override
protected void doReset() {
i = 0;
it = create(gcol.getGeometryN(i));
}
}