1 files changed, 152 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/XexunProtocolDecoder.java b/src/main/java/org/traccar/protocol/XexunProtocolDecoder.java
new file mode 100644
index 000000000..5e2d0c05e
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/XexunProtocolDecoder.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2012 - 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.DateBuilder;
+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 XexunProtocolDecoder extends BaseProtocolDecoder {
+
+    private final boolean full;
+
+    public XexunProtocolDecoder(Protocol protocol, boolean full) {
+        super(protocol);
+        this.full = full;
+    }
+
+    private static final Pattern PATTERN_BASIC = new PatternBuilder()
+            .expression("G[PN]RMC,")
+            .number("(?:(dd)(dd)(dd))?.?d*,")    // time (hhmmss)
+            .expression("([AV]),")               // validity
+            .number("(d*?)(d?d.d+),([NS]),")     // latitude
+            .number("(d*?)(d?d.d+),([EW])?,")    // longitude
+            .number("(d+.?d*),")                 // speed
+            .number("(d+.?d*)?,")                // course
+            .number("(?:(dd)(dd)(dd))?,")        // date (ddmmyy)
+            .expression("[^*]*").text("*")
+            .number("xx")                        // checksum
+            .expression("\\r\\n").optional()
+            .expression(",([FL]),")              // signal
+            .expression("([^,]*),").optional()   // alarm
+            .any()
+            .number("imei:(d+),")                // imei
+            .compile();
+
+    private static final Pattern PATTERN_FULL = new PatternBuilder()
+            .any()
+            .number("(d+),")                     // serial
+            .expression("([^,]+)?,")             // phone number
+            .expression(PATTERN_BASIC.pattern())
+            .number("(d+),")                     // satellites
+            .number("(-?d+.d+)?,")               // altitude
+            .number("[FL]:(d+.d+)V")             // power
+            .any()
+            .compile();
+
+    private String decodeStatus(Position position, String value) {
+        if (value != null) {
+            switch (value.toLowerCase()) {
+                case "acc on":
+                case "accstart":
+                    position.set(Position.KEY_IGNITION, true);
+                    break;
+                case "acc off":
+                case "accstop":
+                    position.set(Position.KEY_IGNITION, false);
+                    break;
+                case "help me!":
+                    position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+                    break;
+                case "low battery":
+                    position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
+                    break;
+                case "move!":
+                case "moved!":
+                    position.set(Position.KEY_ALARM, Position.ALARM_MOVEMENT);
+                    break;
+                default:
+                    break;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        Pattern pattern = PATTERN_BASIC;
+        if (full) {
+            pattern = PATTERN_FULL;
+        }
+
+        Parser parser = new Parser(pattern, (String) msg);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+
+        if (full) {
+            position.set("serial", parser.next());
+            position.set("number", parser.next());
+        }
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+        position.setValid(parser.next().equals("A"));
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+
+        position.setSpeed(convertSpeed(parser.nextDouble(0), "kn"));
+
+        position.setCourse(parser.nextDouble(0));
+
+        dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+        position.setTime(dateBuilder.getDate());
+
+        position.set("signal", parser.next());
+
+        decodeStatus(position, parser.next());
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+        if (deviceSession == null) {
+            return null;
+        }
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        if (full) {
+            position.set(Position.KEY_SATELLITES, parser.nextInt());
+
+            position.setAltitude(parser.nextDouble(0));
+
+            position.set(Position.KEY_POWER, parser.nextDouble(0));
+        }
+
+        return position;
+    }
+
+}