/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.locationtech.spatial4j.io.jts;
import java.io.IOException;
import org.locationtech.spatial4j.context.SpatialContextFactory;
import org.locationtech.spatial4j.context.jts.JtsSpatialContext;
import org.locationtech.spatial4j.io.PolyshapeWriter;
import org.locationtech.spatial4j.shape.Shape;
import org.locationtech.spatial4j.shape.jts.JtsGeometry;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.CoordinateSequence;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.MultiPoint;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.Polygon;
public class JtsPolyshapeWriter extends PolyshapeWriter {
protected final JtsSpatialContext ctx;
public JtsPolyshapeWriter(JtsSpatialContext ctx, SpatialContextFactory factory) {
super(ctx, factory);
this.ctx = ctx;
}
// --------------------------------------------------------------
// Write JTS To GeoJSON
// --------------------------------------------------------------
protected void write(Encoder output, CoordinateSequence coordseq) throws IOException {
int dim = coordseq.getDimension();
// if(dim>2) {
// throw new IllegalArgumentException("only supports 2d geometry now ("+dim+")");
// }
for (int i = 0; i < coordseq.size(); i++) {
output.write(coordseq.getOrdinate(i, 0),
coordseq.getOrdinate(i, 1));
}
}
protected void write(Encoder output, Coordinate[] coord) throws IOException {
for (int i = 0; i < coord.length; i++) {
output.write(coord[i].x, coord[i].y);
}
}
protected void write(Encoder output, Polygon p) throws IOException {
output.write(PolyshapeWriter.KEY_POLYGON);
write(output, p.getExteriorRing().getCoordinateSequence());
for (int i = 0; i < p.getNumInteriorRing(); i++) {
output.startRing();
write(output, p.getInteriorRingN(i).getCoordinateSequence());
}
}
public void write(Encoder output, Geometry geom) throws IOException {
if (geom instanceof Point) {
Point v = (Point) geom;
output.write(PolyshapeWriter.KEY_POINT);
write(output, v.getCoordinateSequence());
return;
} else if (geom instanceof Polygon) {
write(output, (Polygon) geom);
return;
} else if (geom instanceof LineString) {
LineString v = (LineString) geom;
output.write(PolyshapeWriter.KEY_LINE);
write(output, v.getCoordinateSequence());
return;
} else if (geom instanceof MultiPoint) {
MultiPoint v = (MultiPoint) geom;
output.write(PolyshapeWriter.KEY_MULTIPOINT);
write(output, v.getCoordinates());
return;
} else if (geom instanceof GeometryCollection) {
GeometryCollection v = (GeometryCollection) geom;
for (int i = 0; i < v.getNumGeometries(); i++) {
if (i > 0) {
output.seperator();
}
write(output, v.getGeometryN(i));
}
} else {
throw new UnsupportedOperationException("unknown: " + geom);
}
}
@Override
public void write(Encoder enc, Shape shape) throws IOException {
if (shape == null) {
throw new NullPointerException("Shape can not be null");
}
if (shape instanceof JtsGeometry) {
write(enc, ((JtsGeometry) shape).getGeom());
return;
}
super.write(enc, shape);
}
}