SpatialDistanceFilter.java

/**
 * Copyright (c) Codice Foundation
 * <p/>
 * This 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 any later version.
 * <p/>
 * This program 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. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.impl.filter;

public class SpatialDistanceFilter extends SpatialFilter {
    private double distance;

    public SpatialDistanceFilter(String lon, String lat, String distance) {
        this(createWKT(Double.parseDouble(lat), Double.parseDouble(lon)),
                Double.parseDouble(distance));
    }

    public SpatialDistanceFilter(double lon, double lat, double distance) {
        this(createWKT(lat, lon), distance);
    }

    public SpatialDistanceFilter(String geometryWkt, String distance) {
        this(geometryWkt, Double.parseDouble(distance));
    }

    public SpatialDistanceFilter(String geometryWkt, double distance) {
        this.distance = distance;
        this.geometryWkt = geometryWkt;
    }

    private static String createWKT(double lat, double lon) {
        StringBuilder wkt = new StringBuilder("POINT(");
        wkt.append(lon + " " + lat);
        wkt.append(")");

        return wkt.toString();
    }

    public double getDistanceInMeters() {
        return distance;
    }
}