From 59416923dcb3a756eaf532cc4259f2f6625c0762 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 31 Mar 2019 22:35:39 -0700
Subject: Convert project to gradle

---
 .../traccar/protocol/C2stekProtocolDecoder.java    | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/C2stekProtocolDecoder.java

(limited to 'src/main/java/org/traccar/protocol/C2stekProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/C2stekProtocolDecoder.java b/src/main/java/org/traccar/protocol/C2stekProtocolDecoder.java
new file mode 100644
index 000000000..6a31cb2f4
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/C2stekProtocolDecoder.java
@@ -0,0 +1,121 @@
+/*
+ * 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.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class C2stekProtocolDecoder extends BaseProtocolDecoder {
+
+    public C2stekProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("PA$")
+            .number("(d+)")                      // imei
+            .text("$")
+            .expression(".#")                    // data type
+            .number("(dd)(dd)(dd)#")             // date (yymmdd)
+            .number("(dd)(dd)(dd)#")             // time (hhmmss)
+            .number("([01])#")                   // valid
+            .number("([+-]?d+.d+)#")             // latitude
+            .number("([+-]?d+.d+)#")             // longitude
+            .number("(d+.d+)#")                  // speed
+            .number("(d+.d+)#")                  // course
+            .number("(-?d+.d+)#")                // altitude
+            .number("(d+)#")                     // battery
+            .number("d+#")                       // geo area alarm
+            .number("(x+)#")                     // alarm
+            .number("([01])")                    // armed
+            .number("([01])")                    // door
+            .number("([01])#")                   // ignition
+            .any()
+            .text("$AP")
+            .compile();
+
+    private String decodeAlarm(int alarm) {
+        switch (alarm) {
+            case 0x2:
+                return Position.ALARM_SHOCK;
+            case 0x3:
+                return Position.ALARM_POWER_CUT;
+            case 0x4:
+                return Position.ALARM_OVERSPEED;
+            case 0x5:
+                return Position.ALARM_SOS;
+            case 0x6:
+                return Position.ALARM_DOOR;
+            case 0xA:
+                return Position.ALARM_LOW_BATTERY;
+            case 0xB:
+                return Position.ALARM_FAULT;
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+        if (sentence.contains("$20$") && channel != null) {
+            channel.writeAndFlush(new NetworkMessage(sentence, remoteAddress));
+        }
+
+        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.setTime(parser.nextDateTime());
+        position.setValid(parser.nextInt() > 0);
+        position.setLatitude(parser.nextDouble());
+        position.setLongitude(parser.nextDouble());
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+        position.setCourse(parser.nextDouble());
+        position.setAltitude(parser.nextDouble());
+
+        position.set(Position.KEY_BATTERY, parser.nextInt() * 0.001);
+        position.set(Position.KEY_ALARM, decodeAlarm(parser.nextHexInt()));
+
+        position.set(Position.KEY_ARMED, parser.nextInt() > 0);
+        position.set(Position.KEY_DOOR, parser.nextInt() > 0);
+        position.set(Position.KEY_IGNITION, parser.nextInt() > 0);
+
+        return position;
+    }
+
+}
-- 
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