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Library for writing and reading Simple Feature Geometries to and from GeoJSON

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package mil.nga.sf.geojson.jackson;

import java.io.IOException;

import mil.nga.sf.geojson.Position;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

/**
 * Coordinates Serializer
 * 
 * @author yutzlejp
 */
public class CoordinatesSerializer extends JsonSerializer {

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void serialize(Position value, JsonGenerator jgen,
			SerializerProvider provider) throws IOException,
			JsonProcessingException {
		jgen.writeStartArray();
		jgen.writeNumber(value.getX());
		jgen.writeNumber(value.getY());
		Double alt = value.getZ();
		if (alt != null) {
			jgen.writeNumber(alt);

			for (double d : value.getAdditionalElements()) {
				jgen.writeNumber(d);
			}
		}
		jgen.writeEndArray();
	}

}