aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/HemisphereHandler.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/traccar/HemisphereHandler.java')
-rw-r--r--src/org/traccar/HemisphereHandler.java64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/org/traccar/HemisphereHandler.java b/src/org/traccar/HemisphereHandler.java
new file mode 100644
index 000000000..b46d0791c
--- /dev/null
+++ b/src/org/traccar/HemisphereHandler.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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;
+
+import org.jboss.netty.channel.Channel;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class HemisphereHandler extends ExtendedObjectDecoder {
+
+ private int latitudeFactor;
+ private int longitudeFactor;
+
+ public HemisphereHandler() {
+ String latitudeHemisphere = Context.getConfig().getString("location.latitudeHemisphere");
+ if (latitudeHemisphere != null) {
+ if (latitudeHemisphere.equalsIgnoreCase("N")) {
+ latitudeFactor = 1;
+ } else if (latitudeHemisphere.equalsIgnoreCase("S")) {
+ latitudeFactor = -1;
+ }
+ }
+ String longitudeHemisphere = Context.getConfig().getString("location.longitudeHemisphere");
+ if (longitudeHemisphere != null) {
+ if (longitudeHemisphere.equalsIgnoreCase("E")) {
+ longitudeFactor = 1;
+ } else if (longitudeHemisphere.equalsIgnoreCase("W")) {
+ longitudeFactor = -1;
+ }
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ if (msg instanceof Position) {
+ Position position = (Position) msg;
+ if (latitudeFactor != 0) {
+ position.setLatitude(Math.abs(position.getLatitude()) * latitudeFactor);
+ }
+ if (longitudeFactor != 0) {
+ position.setLongitude(Math.abs(position.getLongitude()) * longitudeFactor);
+ }
+ }
+
+ return msg;
+ }
+
+}