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/*
* Copyright 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.util.Calendar;
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.model.Event;
import org.traccar.model.Position;
public class Stl060ProtocolDecoder extends BaseProtocolDecoder {
public Stl060ProtocolDecoder(String protocol) {
super(protocol);
}
//$1,357804047969310,D001,AP29AW0963,01/01/13,13:24:47,1723.9582N,07834.0945E
//,00100,010,0,0,0,0,
//0,0008478660,1450,40,34,0,0,0,A
private static final Pattern pattern = Pattern.compile(
".*\\$1," +
"(\\d+)," + // IMEI
"D001," + // Type
"[^,]*," + // Vehicle
"(\\d{2})/(\\d{2})/(\\d{2})," + // Date
"(\\d{2}):(\\d{2}):(\\d{2})," + // Time
"(\\d{2})(\\d{2})\\.?(\\d+)([NS])," + // Latitude
"(\\d{3})(\\d{2})\\.?(\\d+)([EW])," + // Longitude
"(\\d+\\.?\\d*)," + // Speed
"(\\d+\\.?\\d*)," + // Course
"(?:(\\d+)," + // Odometer
"(\\d+)," + // Ignition
"(\\d+)," + // DI1
"(\\d+)," + // DI2
"(\\d+),|" + // Fuel
"([01])," + // Charging
"([01])," + // Ignition
"0,0," + // Reserved
"(\\d+)," + // DI
"([^,]+)," + // RFID
"(\\d+)," + // Odometer
"(\\d+)," + // Temperature
"(\\d+)," + // Fuel
"([01])," + // Accelerometer
"([01])," + // DO1
"([01]),)" + // DO2
"([AV])" + // Validity
".*");
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, 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(getProtocol());
Integer index = 1;
// Device identification
if (!identify(parser.group(index++))) {
return null;
}
position.setDeviceId(getDeviceId());
// Date
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
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());
// Latitude
Double latitude = Double.valueOf(parser.group(index++));
latitude += Double.valueOf(parser.group(index++) + parser.group(index++)) / 600000;
if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
position.setLatitude(latitude);
// Longitude
Double longitude = Double.valueOf(parser.group(index++));
longitude += Double.valueOf(parser.group(index++) + parser.group(index++)) / 600000;
if (parser.group(index++).compareTo("W") == 0) longitude = -longitude;
position.setLongitude(longitude);
// Speed
position.setSpeed(Double.valueOf(parser.group(index++)));
// Course
position.setCourse(Double.valueOf(parser.group(index++)));
// Old format
if (parser.group(index) != null) {
position.set(Event.KEY_ODOMETER, Integer.valueOf(parser.group(index++)));
position.set(Event.KEY_IGNITION, Integer.valueOf(parser.group(index++)));
position.set(Event.KEY_INPUT, Integer.valueOf(parser.group(index++)) + Integer.valueOf(parser.group(index++)) << 1);
position.set(Event.KEY_FUEL, Integer.valueOf(parser.group(index++)));
} else {
index += 5;
}
// New format
if (parser.group(index) != null) {
position.set(Event.KEY_CHARGE, Integer.valueOf(parser.group(index++)) == 1);
position.set(Event.KEY_IGNITION, Integer.valueOf(parser.group(index++)));
position.set(Event.KEY_INPUT, Integer.valueOf(parser.group(index++)));
position.set(Event.KEY_RFID, parser.group(index++));
position.set(Event.KEY_ODOMETER, Integer.valueOf(parser.group(index++)));
position.set(Event.PREFIX_TEMP + 1, Integer.valueOf(parser.group(index++)));
position.set(Event.KEY_FUEL, Integer.valueOf(parser.group(index++)));
position.set("accel", Integer.valueOf(parser.group(index++)) == 1);
position.set(Event.KEY_OUTPUT, Integer.valueOf(parser.group(index++)) + Integer.valueOf(parser.group(index++)) << 1);
} else {
index += 10;
}
// Validity
position.setValid(parser.group(index++).compareTo("A") == 0);
return position;
}
}
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