Java tutorial
/** * Licensed to the TomTom International B.V. under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. TomTom International B.V. * licenses this file to you under the Apache License, * Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /** * Copyright (C) 2009-2012 TomTom International B.V. * * TomTom (Legal Department) * Email: legal@tomtom.com * * TomTom (Technical contact) * Email: openlr@tomtom.com * * Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam, * the Netherlands */ package openlr.location; import openlr.LocationType; import openlr.map.GeoCoordinates; import openlr.map.GeoCoordinatesImpl; import openlr.map.InvalidMapDataException; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; /** * Implementation of the location interface for circle locations. * * <p> * OpenLR is a trade mark of TomTom International B.V. * <p> * email: software@openlr.org * * @author DLR e.V. (RE) */ public class CircleLocation extends AbstractLocation { /** The center point. */ private final GeoCoordinates center; /** The radius in meters. */ private final long radius; /** * Instantiates a new circle area location. * * @param idString the id string * @param lonDeg the lon deg * @param latDeg the lat deg * @param r the r * @throws InvalidMapDataException the invalid map data exception */ protected CircleLocation(final String idString, final double lonDeg, final double latDeg, final long r) throws InvalidMapDataException { super(idString, LocationType.CIRCLE); center = new GeoCoordinatesImpl(lonDeg, latDeg); radius = r; } /********************** COPY CONSTRUCTOR *************************/ /** * Instantiates a copy of location l. * * @param l * the location be copied */ CircleLocation(final CircleLocation l) { super(l); center = l.getCenterPoint(); radius = l.getRadius(); } /** * {@inheritDoc} */ @Override public final GeoCoordinates getCenterPoint() { return center; } /** * {@inheritDoc} */ @Override public final long getRadius() { return radius; } /** * {@inheritDoc} */ @Override public final String toString() { StringBuilder sb = new StringBuilder(); sb.append("id: ").append(id); sb.append(" loc type: ").append(locType); if (center != null) { sb.append(" center: ").append(center); } sb.append(" radius: ").append(radius); return sb.toString(); } /** * {@inheritDoc} */ @Override public final int calculateHashCode() { HashCodeBuilder builder = new HashCodeBuilder(); builder.append(locType).append(center).append(radius); return builder.toHashCode(); } /** * {@inheritDoc} */ @Override public final boolean equals(final Object obj) { if (!(obj instanceof CircleLocation)) { return false; } if (this == obj) { return true; } CircleLocation other = (CircleLocation) obj; EqualsBuilder builder = new EqualsBuilder(); builder.append(center, other.center).append(locType, other.locType).append(radius, other.radius); return builder.isEquals(); } /** * {@inheritDoc} */ @Override public final int hashCode() { return getHashCode(); } }