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/*
* Copyright 2014 - 2016 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 org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.DateBuilder;
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;
import org.traccar.helper.Log;
public class TelicProtocolDecoder extends BaseProtocolDecoder {
public TelicProtocolDecoder(TelicProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.number("dddd")
.number("(d{6})") // device id
.number("(d+),") // type
.number("d{12},") // event time
.number("d+,")
.number("(dd)(dd)(dd)") // date
.number("(dd)(dd)(dd),") // time
.groupBegin()
.number("(ddd)(dd)(dddd),") // longitude
.number("(dd)(dd)(dddd),") // latitude
.or()
.number("(-?d+),") // longitude
.number("(-?d+),") // latitude
.groupEnd()
.number("(d),") // validity
.number("(d+),") // speed
.number("(d+),") // course
.number("(d+),") // satellites
.expression("(?:[^,]*,){7}")
.number("(d+),") // battery
.expression("[^,]*,")
.number("(d+),") // external
.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;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
String eventValue = parser.next();
position.set(Position.KEY_TYPE, eventValue);
// alarm
position.set(Position.KEY_ALARM, decodeAlarm(eventValue));
DateBuilder dateBuilder = new DateBuilder()
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
if (parser.hasNext(6)) {
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN));
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN));
}
if (parser.hasNext(2)) {
position.setLongitude(parser.nextDouble() / 10000);
position.setLatitude(parser.nextDouble() / 10000);
}
position.setValid(parser.nextInt() != 1);
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
position.setCourse(parser.nextDouble());
position.set(Position.KEY_SATELLITES, parser.next());
position.set(Position.KEY_BATTERY, 3.4 + parser.nextInt() * 0.00345);
position.set(Position.KEY_POWER, 6.0 + parser.nextInt() * 0.125);
return position;
}
private String decodeAlarm(String event) {
int eventId = 0;
try {
eventId = Integer.parseInt(event);
} catch (Exception e) {
Log.error("TelicProtocolDecoder: Error parsing event (" + eventId + "): " + e.toString());
}
switch (eventId) {
case 1:
return Position.ALARM_POWER_ON; // Power on
case 2:
return Position.ALARM_SOS; // Emergency
case 3:
return null; // Position lock alarm
case 4:
return null; // Alarm Tracking
case 5:
return Position.ALARM_POWER_OFF; // Power off
case 6:
return null; // Course change
case 7:
return Position.ALARM_GEOFENCE_ENTER; // Geofence area enter
case 8:
return Position.ALARM_GEOFENCE_EXIT; // Geofence area exit
case 9:
return null; // GPS fix lost
case 10:
return null; // Periodic wakeup / Routine message
case 13:
return null; // Digital input 2 Low -> High / Charger connected
case 14:
return null; // Digital input 2 High -> Low / Charger disconnected
case 15:
return null; // Digital input 3 Low -> High
case 16:
return null; // Digital input 3 High -> Low
case 21:
return null; // Analog input 1 High / Battery level OK
case 22:
return Position.ALARM_LOW_BATTERY; // Analog input 1 Low / Battery level low
case 25:
return Position.ALARM_MOVEMENT; // Device is moving
case 26:
return null; // Device is stationary
case 29:
return null; // Force GPRS reconnection
default:
return null;
}
}
}
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