Implement FutureWay protocol

1 files changed, 134 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/FutureWayProtocolDecoder.java b/src/main/java/org/traccar/protocol/FutureWayProtocolDecoder.java
new file mode 100644
index 000000000..4b0f46e34
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/FutureWayProtocolDecoder.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2020 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.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.DataConverter;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+import org.traccar.model.WifiAccessPoint;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class FutureWayProtocolDecoder extends BaseProtocolDecoder {
+
+    public FutureWayProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN_GPS = new PatternBuilder()
+            .text("GPS:")
+            .expression("([AV]),")               // validity
+            .number("(dd)(dd)(dd)")              // date (yymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(d+.d+)([NS]),")            // latitude
+            .number("(d+.d+)([EW]),")            // longitude
+            .number("(d+.d+),")                  // speed
+            .number("(d+.d+)")                   // course
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        ByteBuf header = Unpooled.wrappedBuffer(DataConverter.parseHex(sentence.substring(0, 16)));
+        sentence = sentence.substring(16, sentence.length() - 4);
+
+        header.readUnsignedByte(); // header
+        header.readUnsignedInt(); // length
+        int type = header.readUnsignedByte();
+        header.readUnsignedShort(); // index
+
+        if (type == 0x20) {
+
+            getDeviceSession(channel, remoteAddress, sentence.split(",")[1].substring(5));
+
+        } else if (type == 0xA0) {
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession == null) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            Network network = new Network();
+
+            for (String line : sentence.split("\r\n")) {
+
+                if (line.startsWith("GPS")) {
+
+                    Parser parser = new Parser(PATTERN_GPS, line);
+                    if (!parser.matches()) {
+                        return null;
+                    }
+
+                    position.setValid(parser.next().equals("A"));
+                    position.setTime(parser.nextDateTime());
+                    position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+                    position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+                    position.setSpeed(parser.nextDouble());
+                    position.setCourse(parser.nextDouble());
+
+                } else if (line.startsWith("WIFI")) {
+
+                    for (String item : line.substring(line.indexOf(',') + 1).split("&")) {
+                        String[] values = item.split("\\|");
+                        network.addWifiAccessPoint(
+                                WifiAccessPoint.from(values[1].replace('-', ':'), Integer.parseInt(values[2])));
+                    }
+
+                } else if (line.startsWith("LBS")) {
+
+                    String[] values = line.substring("LBS:".length()).split(",");
+                    network.addCellTower(CellTower.from(
+                            Integer.parseInt(values[0]),
+                            Integer.parseInt(values[1]),
+                            Integer.parseInt(values[3]),
+                            Integer.parseInt(values[2])));
+
+                }
+
+            }
+
+            if (!network.getCellTowers().isEmpty() || !network.getWifiAccessPoints().isEmpty()) {
+                position.setNetwork(network);
+            }
+
+            if (position.getFixTime() == null) {
+                getLastLocation(position, null);
+            }
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}