| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF 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. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| package org.apache.abdera2.common.geo; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class Coordinates implements Iterable<Coordinate>, Serializable, Cloneable, Comparable<Coordinates> { |
| |
| private static final long serialVersionUID = 1640788106113796699L; |
| protected List<Coordinate> coords = new ArrayList<Coordinate>(); |
| |
| public Coordinates() { |
| } |
| |
| public Coordinates(Coordinate... coordinates) { |
| for (Coordinate coord : coordinates) |
| add(coord); |
| } |
| |
| public Coordinates(Coordinates coordinates) { |
| coords.addAll(coordinates.coords); |
| } |
| |
| public Coordinates(String value) { |
| Coordinates cs = parse(value); |
| this.coords = cs.coords; |
| } |
| |
| public synchronized Coordinate get(int n) { |
| return coords.get(n); |
| } |
| |
| public synchronized void add(Coordinates coordinates) { |
| coords.addAll(coordinates.coords); |
| } |
| |
| public synchronized void add(Coordinate coordinate) { |
| coords.add(coordinate); |
| } |
| |
| public synchronized void add(Coordinate... coordinates) { |
| for (Coordinate c : coordinates) |
| add(c); |
| } |
| |
| public synchronized void add(double latitude, double longitude) { |
| coords.add(new Coordinate(latitude, longitude)); |
| } |
| |
| public synchronized void add(String value) { |
| coords.add(new Coordinate(value)); |
| } |
| |
| public synchronized void remove(Coordinate coordinate) { |
| if (coords.contains(coordinate)) |
| coords.remove(coordinate); |
| } |
| |
| public synchronized void remove(Coordinate... coordinates) { |
| for (Coordinate c : coordinates) |
| remove(c); |
| } |
| |
| public synchronized void remove(double latitude, double longitude) { |
| remove(new Coordinate(latitude, longitude)); |
| } |
| |
| public synchronized void remove(String value) { |
| remove(new Coordinate(value)); |
| } |
| |
| public synchronized boolean contains(double latitude, double longitude) { |
| return contains(new Coordinate(latitude, longitude)); |
| } |
| |
| public synchronized boolean contains(String value) { |
| return contains(new Coordinate(value)); |
| } |
| |
| public synchronized boolean contains(Coordinate coordinate) { |
| return coords.contains(coordinate); |
| } |
| |
| public synchronized boolean contains(Coordinate... coordinates) { |
| for (Coordinate c : coordinates) |
| if (!coords.contains(c)) |
| return false; |
| return true; |
| } |
| |
| public Iterator<Coordinate> iterator() { |
| return coords.iterator(); |
| } |
| |
| public String toString() { |
| StringBuffer buf = new StringBuffer(); |
| for (Coordinate coord : coords) { |
| if (buf.length() > 0) |
| buf.append(" "); |
| buf.append(coord); |
| } |
| return buf.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int PRIME = 31; |
| int result = 1; |
| result = PRIME * result + ((coords == null) ? 0 : coords.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| final Coordinates other = (Coordinates)obj; |
| if (coords == null) { |
| if (other.coords != null) |
| return false; |
| } else if (!coords.equals(other.coords)) |
| return false; |
| return true; |
| } |
| |
| public static Coordinates parseIso(String value) { |
| Coordinates cs = new Coordinates(); |
| try { |
| String[] points = value.trim().split("\\s+"); |
| for (int n = 0; n < points.length; n = n + 2) { |
| IsoPosition pos = IsoPosition.parse(points[n]); |
| cs.add(new Coordinate(pos)); |
| } |
| return cs; |
| } catch (Throwable t) { |
| throw new RuntimeException("Error parsing coordinate pairs", t); |
| } |
| } |
| |
| public static Coordinates parse(String value) { |
| Coordinates cs = new Coordinates(); |
| try { |
| String[] points = value.trim().split("\\s+"); |
| for (int n = 0; n < points.length; n = n + 2) { |
| double lat = Double.parseDouble(points[n]); |
| double lon = Double.parseDouble(points[n + 1]); |
| Coordinate c = new Coordinate(lat, lon); |
| cs.add(c); |
| } |
| return cs; |
| } catch (Throwable t) { |
| throw new RuntimeException("Error parsing coordinate pairs", t); |
| } |
| } |
| |
| public int size() { |
| return coords.size(); |
| } |
| |
| public void clear() { |
| coords.clear(); |
| } |
| |
| public Coordinates clone() { |
| try { |
| return (Coordinates)super.clone(); |
| } catch (CloneNotSupportedException e) { |
| return new Coordinates(this); // Not going to happen |
| } |
| } |
| |
| public Coordinates sort() { |
| return sort(false); |
| } |
| |
| public Coordinates sort(boolean reverse) { |
| Coordinates c = clone(); |
| if (reverse) |
| Collections.sort(c.coords, Collections.reverseOrder()); |
| else |
| Collections.sort(c.coords); |
| return c; |
| } |
| |
| public int compareTo(Coordinates o) { |
| if (o == null || equals(o)) |
| return 0; |
| if (size() < o.size()) |
| return -1; |
| if (o.size() < size()) |
| return 1; |
| for (int n = 0; n < size(); n++) { |
| Coordinate c1 = coords.get(n); |
| Coordinate c2 = o.coords.get(n); |
| int c = c1.compareTo(c2); |
| if (c != 0) |
| return c; |
| } |
| return 0; |
| } |
| |
| } |