From 807eb5398e5e9a6ab827a576cb94e904f509bda5 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 11 Apr 2015 10:52:42 +1200
Subject: Add support for MTX protocol

---
 src/org/traccar/protocol/MtxProtocolDecoder.java | 120 +++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 src/org/traccar/protocol/MtxProtocolDecoder.java

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

diff --git a/src/org/traccar/protocol/MtxProtocolDecoder.java b/src/org/traccar/protocol/MtxProtocolDecoder.java
new file mode 100644
index 000000000..c552e3831
--- /dev/null
+++ b/src/org/traccar/protocol/MtxProtocolDecoder.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 java.util.Calendar;
+import java.util.Properties;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.database.DataManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class MtxProtocolDecoder extends BaseProtocolDecoder {
+
+    public MtxProtocolDecoder(DataManager dataManager, String protocol, Properties properties) {
+        super(dataManager, protocol, properties);
+    }
+
+    private static final Pattern pattern = Pattern.compile(
+            "#MTX," +
+            "(\\d+)," +                         // IMEI
+            "(\\d{4})(\\d{2})(\\d{2})," +       // Date
+            "(\\d{2})(\\d{2})(\\d{2})," +       // Time
+            "(-?\\d+\\.\\d+)," +                // Latitude
+            "(-?\\d+\\.\\d+)," +                // Longitude
+            "(\\d+\\.?\\d*)," +                 // Speed
+            "(\\d+)," +                         // Course
+            "(\\d+\\.?\\d*)," +                 // Milage
+            "(?:\\d+|X)," +
+            "(?:[01]|X)," +
+            "([01]+)," +                        // Input
+            "([01]+)," +                        // Output
+            "(\\d+)," +                         // ADC1
+            "(\\d+)" +                          // ADC2
+            ".*");
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        String sentence = (String) msg;
+
+        // Send response
+        if (channel != null) {
+            channel.write("#ACK");
+        }
+
+        // Parse message
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+        ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol());
+
+        Integer index = 1;
+
+        // Get device by IMEI
+        String imei = parser.group(index++);
+        try {
+            position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
+        } catch(Exception error) {
+            Log.warning("Unknown device - " + imei);
+            return null;
+        }
+        
+        // Date
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.YEAR, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+        position.setTime(time.getTime());
+
+        // Location
+        position.setValid(true);
+        position.setLatitude(Double.valueOf(parser.group(index++)));
+        position.setLongitude(Double.valueOf(parser.group(index++)));
+        position.setSpeed(Double.valueOf(parser.group(index++)));
+        position.setCourse(Double.valueOf(parser.group(index++)));
+        position.setAltitude(0.0);
+
+        // Other
+        extendedInfo.set("milage", Double.valueOf(parser.group(index++)));
+        extendedInfo.set("input", parser.group(index++));
+        extendedInfo.set("output", parser.group(index++));
+        extendedInfo.set("adc1", parser.group(index++));
+        extendedInfo.set("adc2", parser.group(index++));
+        position.setExtendedInfo(extendedInfo.toString());
+
+        return position;
+    }
+
+}
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