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-rw-r--r--src/org/traccar/handler/HemisphereHandler.java60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/org/traccar/handler/HemisphereHandler.java b/src/org/traccar/handler/HemisphereHandler.java
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+++ b/src/org/traccar/handler/HemisphereHandler.java
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+/*
+ * Copyright 2016 - 2019 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed 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.
+ */
+package org.traccar.handler;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseDataHandler;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class HemisphereHandler extends BaseDataHandler {
+
+ private int latitudeFactor;
+ private int longitudeFactor;
+
+ public HemisphereHandler(Config config) {
+ String latitudeHemisphere = config.getString(Keys.LOCATION_LATITUDE_HEMISPHERE);
+ if (latitudeHemisphere != null) {
+ if (latitudeHemisphere.equalsIgnoreCase("N")) {
+ latitudeFactor = 1;
+ } else if (latitudeHemisphere.equalsIgnoreCase("S")) {
+ latitudeFactor = -1;
+ }
+ }
+ String longitudeHemisphere = config.getString(Keys.LOCATION_LATITUDE_HEMISPHERE);
+ if (longitudeHemisphere != null) {
+ if (longitudeHemisphere.equalsIgnoreCase("E")) {
+ longitudeFactor = 1;
+ } else if (longitudeHemisphere.equalsIgnoreCase("W")) {
+ longitudeFactor = -1;
+ }
+ }
+ }
+
+ @Override
+ protected Position handlePosition(Position position) {
+ if (latitudeFactor != 0) {
+ position.setLatitude(Math.abs(position.getLatitude()) * latitudeFactor);
+ }
+ if (longitudeFactor != 0) {
+ position.setLongitude(Math.abs(position.getLongitude()) * longitudeFactor);
+ }
+ return position;
+ }
+
+}