/*
* 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 - 2011 and Ownership of code is shared by:
* Qmino bvba - Esperantolaan 4 - 3001 Heverlee (http://www.qmino.com)
* Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
*/
package org.geolatte.common.dataformats.json.to;
import java.util.Arrays;
/**
* This class represents a transfer object which, if serialized by a standard JSON serializer, leads to a valid
* GeoJSON representation of a Polygon
*
* @author Yves Vandewoude
* @author <a href="http://www.qmino.com">Qmino bvba</a>
*/
public final class MultiPolygonTo extends GeoJsonTo {
private double[][][][] coordinates;
public MultiPolygonTo() {
}
public MultiPolygonTo(CrsTo crs, double[][][][] coordinates) {
super(crs, createBoundingBox(coordinates));
this.coordinates = coordinates;
}
@Override
public boolean isValid() {
if (coordinates == null || coordinates.length == 0) {
return false;
}
for (double[][][] polygon : coordinates) {
if (polygon == null || polygon.length < 1) {
return false;
}
for (double[][] linearRing : polygon) {
if (linearRing == null || linearRing.length < 2) {
return false;
}
int length = linearRing[0].length;
if (length < 2 || length > 4) {
return false;
}
for (double[] points : linearRing) {
if (points.length != length) {
return false;
}
}
for (int i = 0; i < linearRing[0].length; i++) {
if (linearRing[0][i] - linearRing[linearRing.length - 1][i] > 0.00000001) {
return false;
}
}
}
}
return true;
}
public double[][][][] getCoordinates() {
return coordinates;
}
public void setCoordinates(double[][][][] coordinates) {
this.coordinates = coordinates;
if (isValid()) {
setBbox(createBoundingBox(coordinates));
}
}
@Override
public boolean equals(Object o) {
if (!super.equals(o)) {
return false;
}
MultiPolygonTo multiPolygonTo = (MultiPolygonTo)o;
if (!Arrays.deepEquals(coordinates, multiPolygonTo.coordinates)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (coordinates != null ? Arrays.deepHashCode(coordinates) : 0);
return result;
}
}