1 files changed, 107 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/AvemaProtocolDecoder.java b/src/main/java/org/traccar/protocol/AvemaProtocolDecoder.java
new file mode 100644
index 000000000..16a31162a
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/AvemaProtocolDecoder.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 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.helper.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class AvemaProtocolDecoder extends BaseProtocolDecoder {
+
+    public AvemaProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .number("(d+),")                     // device id
+            .number("(dddd)(dd)(dd)")            // date (yyyymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(-?d+.d+),")                // longitude
+            .number("(-?d+.d+),")                // latitude
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // course
+            .number("(-?d+),")                   // altitude
+            .number("(d+),")                     // satellites
+            .number("(d+),")                     // event
+            .number("(d+.d+),")                  // odometer
+            .number("(d+),")                     // input
+            .number("(d+.d+)V,")                 // adc 1
+            .number("(d+.d+)V,")                 // adc 2
+            .number("(d+),")                     // output
+            .number("(d),")                      // roaming
+            .number("(d+),")                     // rssi
+            .number("d,")                        // communication system
+            .number("(ddd)")                     // mcc
+            .number("(dd),")                     // mnc
+            .number("(x+),")                     // lac
+            .number("(x+),")                     // cid
+            .number("([^,]+)?")                  // rfid
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        Parser parser = new Parser(PATTERN, (String) msg);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.setValid(true);
+        position.setTime(parser.nextDateTime());
+        position.setLongitude(parser.nextDouble());
+        position.setLatitude(parser.nextDouble());
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+        position.setCourse(parser.nextInt());
+        position.setAltitude(parser.nextInt());
+
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+        position.set(Position.KEY_EVENT, parser.nextInt());
+        position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1000);
+        position.set(Position.KEY_INPUT, parser.nextInt());
+        position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
+        position.set(Position.PREFIX_ADC + 2, parser.nextDouble());
+        position.set(Position.KEY_OUTPUT, parser.nextInt());
+        position.set(Position.KEY_ROAMING, parser.nextInt() == 1);
+
+        int rssi = parser.nextInt();
+        position.setNetwork(new Network(CellTower.from(
+                parser.nextInt(), parser.nextInt(), parser.nextHexInt(), parser.nextHexInt(), rssi)));
+
+        position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+
+        return position;
+    }
+
+}