1 files changed, 112 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/RamacProtocolDecoder.java b/src/main/java/org/traccar/protocol/RamacProtocolDecoder.java
new file mode 100644
index 000000000..ffdc68474
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/RamacProtocolDecoder.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2023 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.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import jakarta.json.Json;
+import jakarta.json.JsonObject;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.Protocol;
+import org.traccar.model.Position;
+import org.traccar.session.DeviceSession;
+
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+
+public class RamacProtocolDecoder extends BaseHttpProtocolDecoder {
+
+    private final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+    public RamacProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpRequest request = (FullHttpRequest) msg;
+        String content = request.content().toString(StandardCharsets.UTF_8);
+        JsonObject json = Json.createReader(new StringReader(content)).readObject();
+
+        String deviceId = json.getString("DeviceId");
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId);
+        if (deviceSession == null) {
+            sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.set(Position.KEY_TYPE, json.getInt("PacketType"));
+        position.set(Position.KEY_INDEX, json.getInt("SeqNumber"));
+        position.setDeviceTime(dateFormat.parse(json.getString("UpdateDate")));
+
+        int alert = json.getInt("Alert");
+        if (alert > 0) {
+            position.set("alert", alert);
+            String alertMessage = json.getString("AlertMessage");
+            if (!alertMessage.isEmpty()) {
+                position.set("alertMessage", alertMessage);
+            }
+        }
+
+        if (json.containsKey("GpsEvent")) {
+            position.set("gpsEvent", json.getInt("GpsEvent"));
+            if (json.containsKey("GpsEventText")) {
+                position.set("gpsEventText", json.getString("GpsEventText"));
+            }
+        }
+
+        if (json.containsKey("Event")) {
+            position.set(Position.KEY_EVENT, json.getInt("Event"));
+        }
+        if (json.containsKey("BatteryPercentage")) {
+            position.set(Position.KEY_BATTERY_LEVEL, json.getInt("BatteryPercentage"));
+        }
+        if (json.containsKey("Battery")) {
+            position.set(Position.KEY_BATTERY, json.getJsonNumber("Battery").doubleValue());
+        }
+
+        position.set("deviceType", json.getString("DeviceTypeText"));
+
+        if (json.containsKey("Latitude") && json.containsKey("Longitude")) {
+            position.setValid(true);
+            if (json.containsKey("LocationDateTime")) {
+                position.setFixTime(dateFormat.parse(json.getString("LocationDateTime")));
+            } else {
+                position.setFixTime(position.getDeviceTime());
+            }
+            position.setLatitude(json.getJsonNumber("Latitude").doubleValue());
+            position.setLongitude(json.getJsonNumber("Longitude").doubleValue());
+        } else {
+            getLastLocation(position, position.getDeviceTime());
+        }
+
+        sendResponse(
+                channel, HttpResponseStatus.OK,
+                Unpooled.copiedBuffer("{\"CaseID\":1,\"EventID\":1}", StandardCharsets.UTF_8));
+        return position;
+    }
+
+}