1 files changed, 139 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/ArknavX8ProtocolDecoder.java b/src/main/java/org/traccar/protocol/ArknavX8ProtocolDecoder.java
new file mode 100644
index 000000000..b570f5423
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/ArknavX8ProtocolDecoder.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2016 - 2018 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.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class ArknavX8ProtocolDecoder extends BaseProtocolDecoder {
+
+    public ArknavX8ProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN_1G = new PatternBuilder()
+            .expression("(..),")                 // type
+            .number("(dd)(dd)(dd)")              // date (yymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .expression("([AV]),")               // validity
+            .number("(d+)(dd.d+)([NS]),")        // latitude
+            .number("(d+)(dd.d+)([EW]),")        // longitude
+            .number("(d+.d+),")                  // speed
+            .number("(d+),")                     // course
+            .number("(d+.d+),")                  // hdop
+            .number("(d+)")                      // status
+            .compile();
+
+    private static final Pattern PATTERN_2G = new PatternBuilder()
+            .expression("..,")                   // type
+            .number("(dd)(dd)(dd)")              // date (yymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(d+),")                     // satellites
+            .number("(d+.d+),")                  // altitude
+            .number("(d+.d+),")                  // power
+            .number("(d+.d+),")                  // battery
+            .number("(d+.d+)")                   // odometer
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        if (sentence.charAt(2) != ',') {
+            getDeviceSession(channel, remoteAddress, sentence.substring(0, 15));
+            return null;
+        }
+
+        switch (sentence.substring(0, 2)) {
+            case "1G":
+            case "1R":
+            case "1M":
+                return decode1G(channel, remoteAddress, sentence);
+            case "2G":
+                return decode2G(channel, remoteAddress, sentence);
+            default:
+                return null;
+        }
+    }
+
+    private Position decode1G(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+        Parser parser = new Parser(PATTERN_1G, sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.set(Position.KEY_TYPE, parser.next());
+
+        position.setTime(parser.nextDateTime());
+
+        position.setValid(parser.next().equals("A"));
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+        position.setSpeed(parser.nextDouble(0));
+        position.setCourse(parser.nextDouble(0));
+
+        position.set(Position.KEY_HDOP, parser.nextDouble(0));
+        position.set(Position.KEY_STATUS, parser.next());
+
+        return position;
+    }
+
+    private Position decode2G(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+        Parser parser = new Parser(PATTERN_2G, sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        getLastLocation(position, parser.nextDateTime());
+
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+        position.setAltitude(parser.nextDouble());
+        position.set(Position.KEY_POWER, parser.nextDouble());
+        position.set(Position.KEY_BATTERY, parser.nextDouble());
+        position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1852 / 3600);
+
+        return position;
+    }
+
+}