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package org.geojson;
import java.util.Arrays;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonIgnore;
public class Polygon extends Geometry<List<LngLatAlt>> {
public Polygon() {
}
public Polygon(List<LngLatAlt> polygon) {
add(polygon);
}
public Polygon(LngLatAlt... polygon) {
add(Arrays.asList(polygon));
}
public void setExteriorRing(List<LngLatAlt> points) {
if (coordinates.isEmpty()) {
coordinates.add(0, points);
} else {
coordinates.set(0, points);
}
}
@JsonIgnore
public List<LngLatAlt> getExteriorRing() {
assertExteriorRing();
return coordinates.get(0);
}
@JsonIgnore
public List<List<LngLatAlt>> getInteriorRings() {
assertExteriorRing();
return coordinates.subList(1, coordinates.size());
}
public List<LngLatAlt> getInteriorRing(int index) {
assertExteriorRing();
return coordinates.get(1 + index);
}
public void addInteriorRing(List<LngLatAlt> points) {
assertExteriorRing();
coordinates.add(points);
}
public void addInteriorRing(LngLatAlt... points) {
assertExteriorRing();
coordinates.add(Arrays.asList(points));
}
private void assertExteriorRing() {
if (coordinates.isEmpty())
throw new RuntimeException("No exterior ring definied");
}
@Override
public <T> T accept(GeoJsonObjectVisitor<T> geoJsonObjectVisitor) {
return geoJsonObjectVisitor.visit(this);
}
@Override
public String toString() {
return "Polygon{} " + super.toString();
}
}
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