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/*
* Copyright 2013 - 2014 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.net.SocketAddress;
import java.util.Calendar;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class IntellitracProtocolDecoder extends BaseProtocolDecoder {
public IntellitracProtocolDecoder(IntellitracProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = Pattern.compile(
"(?:.+,)?(\\d+)," + // Device Identifier
"(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD)
"(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
"(-?\\d+\\.\\d+)," + // Longitude
"(-?\\d+\\.\\d+)," + // Latitude
"(\\d+\\.?\\d*)," + // Speed
"(\\d+\\.?\\d*)," + // Course
"(-?\\d+\\.?\\d*)," + // Altitude
"(\\d+)," + // Satellites
"(\\d+)," + // Report Identifier
"(\\d+)," + // Input
"(\\d+),?" + // Output
"(\\d+\\.\\d+)?,?" + // ADC1
"(\\d+\\.\\d+)?,?" + // ADC2
"(?:\\d{14},\\d+," +
"(\\d+)," + // VSS
"(\\d+)," + // RPM
"(-?\\d+)," + // Coolant
"(\\d+)," + // Fuel
"(\\d+)," + // Fuel Consumption
"(-?\\d+)," + // Fuel Temperature
"(\\d+)," + // Charger Pressure
"(\\d+)," + // TPL
"(\\d+)," + // Axle Weight
"(\\d+))?" + // Odometer
".*");
@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;
// Detect device
if (!identify(parser.group(index++), channel)) {
return null;
}
position.setDeviceId(getDeviceId());
// Date and time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.YEAR, Integer.parseInt(parser.group(index++)));
time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++)));
time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parser.group(index++)));
time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++)));
time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++)));
position.setTime(time.getTime());
// Location data
position.setLongitude(Double.parseDouble(parser.group(index++)));
position.setLatitude(Double.parseDouble(parser.group(index++)));
position.setSpeed(Double.parseDouble(parser.group(index++)));
position.setCourse(Double.parseDouble(parser.group(index++)));
position.setAltitude(Double.parseDouble(parser.group(index++)));
// Satellites
int satellites = Integer.parseInt(parser.group(index++));
position.setValid(satellites >= 3);
position.set(Event.KEY_SATELLITES, satellites);
// Report identifier
position.set(Event.KEY_INDEX, Long.parseLong(parser.group(index++)));
// Input
position.set(Event.KEY_INPUT, parser.group(index++));
// Output
position.set(Event.KEY_OUTPUT, parser.group(index++));
// ADC
position.set(Event.PREFIX_ADC + 1, parser.group(index++));
position.set(Event.PREFIX_ADC + 2, parser.group(index++));
// J1939 data
position.set(Event.KEY_OBD_SPEED, parser.group(index++));
position.set(Event.KEY_RPM, parser.group(index++));
position.set("coolant", parser.group(index++));
position.set(Event.KEY_FUEL, parser.group(index++));
position.set("consumption", parser.group(index++));
position.set(Event.PREFIX_TEMP + 1, parser.group(index++));
position.set(Event.KEY_CHARGE, parser.group(index++));
position.set("tpl", parser.group(index++));
position.set("axle", parser.group(index++));
position.set(Event.KEY_ODOMETER, parser.group(index++));
return position;
}
}
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