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Diffstat (limited to 'src/org/traccar/OdometerHandler.java')
-rw-r--r--src/org/traccar/OdometerHandler.java49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/org/traccar/OdometerHandler.java b/src/org/traccar/OdometerHandler.java
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index 000000000..5a813fc3a
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+++ b/src/org/traccar/OdometerHandler.java
@@ -0,0 +1,49 @@
+/**
+ *
+ */
+package org.traccar;
+
+import org.traccar.helper.DistanceCalculator;
+import org.traccar.helper.Log;
+import org.traccar.model.Position;
+
+/**
+ * <p>
+ * Odometer - total mileage calculation handler
+ * </p>
+ *
+ * @author Amila Silva
+ *
+ */
+public class OdometerHandler extends BaseDataHandler {
+
+ public OdometerHandler() {
+ Log.debug("System based odometer calculation enabled for all devices");
+ }
+
+ private Position getLastPosition(long deviceId) {
+ if (Context.getConnectionManager() != null) {
+ return Context.getConnectionManager().getLastPosition(deviceId);
+ }
+ return null;
+ }
+
+ private Position calculateDistance(Position position) {
+ Position last = getLastPosition(position.getDeviceId());
+ if (last != null) {
+ double distance = DistanceCalculator.distance(
+ position.getLatitude(), position.getLongitude(),
+ last.getLatitude(), last.getLongitude());
+ distance = Math.round((distance) * 100.0) / 100.0;
+ double odometer = distance + last.getOdometer();
+ position.setOdometer(odometer);
+ }
+ return position;
+ }
+
+ @Override
+ protected Position handlePosition(Position position) {
+ return calculateDistance(position);
+ }
+
+}