/*
* This file is part of the GeoLatte project.
*
* GeoLatte 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, either version 3 of the License, or
* (at your option) any later version.
*
* GeoLatte 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GeoLatte. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010 - 2010 and Ownership of code is shared by:
* Qmino bvba - Romeinsestraat 18 - 3001 Heverlee (http://www.qmino.com)
* Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
*/
package org.geolatte.common.dataformats.json.jackson;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import org.geolatte.geom.LineString;
import org.geolatte.geom.Point;
import org.geolatte.geom.Polygon;
import java.io.IOException;
/**
* Implements the geojson serializer for a polygon object
* <br>
* <p>
* <i>Creation-Date</i>: 21-apr-2010<br>
* <i>Creation-Time</i>: 9:50:17<br>
* </p>
*
* @author Yves Vandewoude
* @author <a href="http://www.qmino.com">Qmino bvba</a>
* @since SDK1.5
*/
public class PolygonSerializer extends GeometrySerializer<Polygon> {
/**
* @param containingTransformation The containing serializationtransformation.
*/
public PolygonSerializer(JsonMapper containingTransformation) {
super(containingTransformation);
}
@Override
protected void writeShapeSpecificSerialization(Polygon value, JsonGenerator jgen, SerializerProvider provider)
throws IOException {
jgen.writeFieldName( "type");
jgen.writeString( "Polygon");
jgen.writeArrayFieldStart( "coordinates");
// set beanproperty to null since we are not serializing a real property
JsonSerializer<Object> ser = provider.findValueSerializer(Double.class, null);
// Exterior ring
LineString exterior = value.getExteriorRing();
jgen.writeStartArray();
for (int j = 0; j < exterior.getNumPoints(); j++) {
Point point = exterior.getPointN(j);
jgen.writeStartArray();
ser.serialize( point.getX(), jgen, provider);
ser.serialize( point.getY(), jgen, provider);
jgen.writeEndArray();
}
jgen.writeEndArray();
// Interior rings
for (int i = 0; i < value.getNumInteriorRing(); i++) {
LineString ml = value.getInteriorRingN(i);
jgen.writeStartArray();
for (int j = 0; j < ml.getNumPoints(); j++) {
Point point = ml.getPointN(j);
jgen.writeStartArray();
ser.serialize( point.getX(), jgen, provider);
ser.serialize( point.getY(), jgen, provider);
jgen.writeEndArray();
}
jgen.writeEndArray();
}
jgen.writeEndArray();
}
}