From 4accabd85265ba990411b9979e74591561db0eac Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 25 Nov 2020 21:51:48 -0800
Subject: Implement SWIFTECH protocol

---
 .../traccar/protocol/SwiftechProtocolDecoder.java  | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/SwiftechProtocolDecoder.java

(limited to 'src/main/java/org/traccar/protocol/SwiftechProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/SwiftechProtocolDecoder.java b/src/main/java/org/traccar/protocol/SwiftechProtocolDecoder.java
new file mode 100644
index 000000000..145d80484
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/SwiftechProtocolDecoder.java
@@ -0,0 +1,98 @@
+/*
+ * 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+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 SwiftechProtocolDecoder extends BaseProtocolDecoder {
+
+    public SwiftechProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("@@")
+            .number("(d+),,,")                   // imei
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(dd)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(d{2,3})(dd.d+),")          // longitude
+            .expression("([EW]),")
+            .number("(d+.d+),")                  // speed
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .expression("([AV]),")               // validity
+            .number("([01]{4}),")                // status
+            .number("([01]),")                   // charge
+            .number("d+,")                       // reserved
+            .number("(d+),")                     // adc1
+            .number("(d+),")                     // adc2
+            .any()
+            .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());
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+        position.setSpeed(parser.nextDouble());
+
+        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+        position.setTime(dateBuilder.getDate());
+
+        position.setValid(parser.next().equals("A"));
+
+        int status = parser.nextBinInt();
+        position.set(Position.KEY_IGNITION, BitUtil.check(status, 3));
+        position.set(Position.PREFIX_OUT + 1, BitUtil.check(status, 1));
+        position.set(Position.PREFIX_OUT + 2, BitUtil.check(status, 0));
+
+        position.set(Position.KEY_CHARGE, parser.nextInt() > 0);
+
+        position.set(Position.PREFIX_ADC + 1, parser.nextInt() * 0.001);
+        position.set(Position.PREFIX_ADC + 2, parser.nextInt() * 0.001);
+
+        return position;
+    }
+
+}
-- 
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