1 files changed, 79 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java
new file mode 100644
index 000000000..313210f63
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/TeraTrackProtocolDecoder.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2022 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.protocol;
+
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.session.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.TimeZone;
+
+public class TeraTrackProtocolDecoder extends BaseProtocolDecoder {
+
+    public TeraTrackProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        JsonObject json = Json.createReader(new StringReader((String) msg)).readObject();
+
+        String deviceId = json.getString("MDeviceID");
+        String imei = json.getString("IMEI");
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId, imei);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+        position.setTime(dateFormat.parse(json.getString("DateTime")));
+
+        position.setValid(true);
+        position.setLatitude(Double.parseDouble(json.getString("Latitude")));
+        position.setLongitude(Double.parseDouble(json.getString("Longitude")));
+        position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(json.getString("Speed"))));
+
+        position.set(Position.KEY_ODOMETER, Integer.parseInt(json.getString("Mileage")));
+        position.set(Position.KEY_BLOCKED, json.getString("LockOpen").equals("0"));
+        position.set(Position.KEY_DRIVER_UNIQUE_ID, json.getString("CardNo"));
+        position.set(Position.KEY_ALARM, json.getString("LowPower").equals("1") ? Position.ALARM_LOW_POWER : null);
+        position.set(Position.KEY_BATTERY_LEVEL, Integer.parseInt(json.getString("Power")));
+        position.set(Position.KEY_RSSI, Integer.parseInt(json.getString("GSM")));
+
+        if (channel != null && json.getString("MessageAck").equals("1")) {
+            channel.writeAndFlush(new NetworkMessage("{01}", remoteAddress));
+        }
+
+        return position;
+    }
+
+}