/* * 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); } }