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authorAnton Tananaev <anton.tananaev@gmail.com>2015-07-16 16:54:03 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-07-16 16:54:03 +1200
commit051ef2354038f1bf15d254c5d7630131a4ff37c2 (patch)
treef69fe01254fc1cc49211ba16c62fb4d858bc88a1 /src/org/traccar/protocol/GpsMarkerProtocolDecoder.java
parent6373d4ce4434545620f5f960866ce0ae76bb1094 (diff)
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Implement GPS Maker protocol
Diffstat (limited to 'src/org/traccar/protocol/GpsMarkerProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/GpsMarkerProtocolDecoder.java136
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diff --git a/src/org/traccar/protocol/GpsMarkerProtocolDecoder.java b/src/org/traccar/protocol/GpsMarkerProtocolDecoder.java
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+/*
+ * 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 org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.Calendar;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class GpsMarkerProtocolDecoder extends BaseProtocolDecoder {
+
+ public GpsMarkerProtocolDecoder(GpsMarkerProtocol protocol) {
+ super(protocol);
+ }
+
+ //  DDMMYYHHMM GGMMmmmm GGGMMmmmm
+ //$GM 1 350123456789012 T1005111233 N55516789 E037561234 000 000 3 52 00298
+ //$GM 203 863071014445404 T150715202258 N55481576 E037292753 000 000 4 05 30301
+ private static final Pattern pattern = Pattern.compile(
+ "\\$GM" +
+ "\\d+" + // Type
+ "(\\d{15})" + // IMEI
+ "T(\\d{2})(\\d{2})(\\d{2})" + // Date
+ "(\\d{2})(\\d{2})(\\d{2})?" + // Time
+ "([NS])" +
+ "(\\d{2})(\\d{2}\\d{4})" + // Latitude
+ "([EW])" +
+ "(\\d{3})(\\d{2}\\d{4})" + // Longitude
+ "(\\d{3})" + // Speed
+ "(\\d{3})" + // Course
+ "(\\d)" + // Satellites
+ "(\\d{2})" + // Battery
+ "(\\d)" + // Input
+ "(\\d)" + // Output
+ "(\\d{3})" + // Temperature
+ ".*");
+
+ private static final Pattern handshakePattern = Pattern.compile("##,imei:(\\d+),A");
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ // Parse message
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+
+ Integer index = 1;
+
+ // Get device by IMEI
+ String imei = parser.group(index++);
+ if (!identify(imei, channel, remoteAddress)) {
+ return null;
+ }
+ position.setDeviceId(getDeviceId());
+
+ // Date and Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+ time.set(Calendar.YEAR, 2000 + 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++)));
+ String seconds = parser.group(index++);
+ if (seconds != null) {
+ time.set(Calendar.SECOND, Integer.valueOf(seconds));
+ }
+ position.setTime(time.getTime());
+
+ // Validity
+ position.setValid(true);
+
+ // Latitude
+ String hemisphere = parser.group(index++);
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 600000;
+ if (hemisphere.compareTo("S") == 0) {
+ latitude = -latitude;
+ }
+ position.setLatitude(latitude);
+
+ // Longitude
+ hemisphere = parser.group(index++);
+ Double longitude = Double.valueOf(parser.group(index++));
+ longitude += Double.valueOf(parser.group(index++)) / 600000;
+ if (hemisphere.compareTo("W") == 0) {
+ longitude = -longitude;
+ }
+ position.setLongitude(longitude);
+
+ // Speed
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+
+ // Course
+ position.setCourse(Double.valueOf(parser.group(index++)));
+
+ // Additional data
+ position.set(Event.KEY_SATELLITES, parser.group(index++));
+ position.set(Event.KEY_BATTERY, parser.group(index++));
+ position.set(Event.KEY_INPUT, parser.group(index++));
+ position.set(Event.KEY_OUTPUT, parser.group(index++));
+ position.set(Event.PREFIX_TEMP + 1, parser.group(index++));
+
+ return position;
+ }
+
+}