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package cgeo.geocaching;
import java.util.Comparator;
import android.util.Log;
public class cgCacheDistanceComparator implements Comparator<cgCache> {
private Double latitude = null;
private Double longitude = null;
public cgCacheDistanceComparator() {
// nothing
}
public cgCacheDistanceComparator(Double latitudeIn, Double longitudeIn) {
latitude = latitudeIn;
longitude = longitudeIn;
}
public void setCoords(Double latitudeIn, Double longitudeIn) {
latitude = latitudeIn;
longitude = longitudeIn;
}
public int compare(cgCache cache1, cgCache cache2) {
int result = 0;
try {
if (
(cache1.latitude == null || cache1.longitude == null || cache2.latitude == null || cache2.longitude == null) &&
cache1.distance != null && cache2.distance != null
) {
if (cache1.distance < cache2.distance) return -1;
else if (cache1.distance > cache2.distance) return 1;
else return 0;
} else {
if (cache1.latitude == null || cache1.longitude == null) return 1;
if (cache2.latitude == null || cache2.longitude == null) return -1;
Double distance1 = cgBase.getDistance(latitude, longitude, cache1.latitude, cache1.longitude);
Double distance2 = cgBase.getDistance(latitude, longitude, cache2.latitude, cache2.longitude);
if (distance1 < distance2) result = -1;
else if (distance1 > distance2) result = 1;
else result = 0;
}
} catch (Exception e) {
Log.e(cgSettings.tag, "cgCacheDistanceComparator.compare: " + e.toString());
}
return result;
}
}
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