blob: c342d3da855841aa1f7200541428aaf068a86da0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Southampton University Map App
* Copyright (C) 2011 Christopher Baines
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.cbaines.suma;
import java.util.Comparator;
import org.osmdroid.util.GeoPoint;
public class POIDistanceComparator implements Comparator<POI> {
private final GeoPoint userLocation;
private final boolean useExistingData;
public POIDistanceComparator(GeoPoint userLocation) {
this(userLocation, false);
}
public POIDistanceComparator(GeoPoint userLocation, boolean useData) {
super();
this.userLocation = userLocation;
this.useExistingData = useData;
}
public int compare(POI poi1, POI poi2) {
if (poi1.distTo == -1 || !useExistingData) {
poi1.distTo = userLocation.distanceTo(poi1.point);
}
if (poi2.distTo == -1 || !useExistingData) {
poi2.distTo = userLocation.distanceTo(poi2.point);
}
return poi1.distTo - poi2.distTo;
}
}
|