/*
* Copyright 2014 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.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.regex.Pattern;
public class Stl060ProtocolDecoder extends BaseProtocolDecoder {
public Stl060ProtocolDecoder(Stl060Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.any()
.text("$1,")
.number("(d+),") // imei
.text("D001,") // type
.expression("[^,]*,") // vehicle
.number("(dd)/(dd)/(dd),") // date (dd/mm/yy)
.number("(dd):(dd):(dd),") // time (hh:mm:ss)
.number("(dd)(dd).?(d+)([NS]),") // latitude
.number("(ddd)(dd).?(d+)([EW]),") // longitude
.number("(d+.?d*),") // speed
.number("(d+.?d*),") // course
.groupBegin()
.number("(d+),") // odometer
.number("(d+),") // Ignition
.number("(d+),") // di1
.number("(d+),") // di2
.number("(d+),") // fuel
.or()
.expression("([01]),") // charging
.expression("([01]),") // ignition
.expression("0,0,") // reserved
.number("(d+),") // di
.expression("([^,]+),") // rfid
.number("(d+),") // odometer
.number("(d+),") // temperature
.number("(d+),") // fuel
.expression("([01]),") // accelerometer
.expression("([01]),") // do1
.expression("([01]),") // do2
.groupEnd()
.expression("([AV])") // validity
.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());
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN_HEM));
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN_HEM));
position.setSpeed(parser.nextDouble(0));
position.setCourse(parser.nextDouble(0));
// Old format
if (parser.hasNext(5)) {
position.set(Position.KEY_ODOMETER, parser.nextInt(0));
position.set(Position.KEY_IGNITION, parser.nextInt(0) == 1);
position.set(Position.KEY_INPUT, parser.nextInt(0) + parser.nextInt(0) << 1);
position.set(Position.KEY_FUEL_LEVEL, parser.nextInt(0));
}
// New format
if (parser.hasNext(10)) {
position.set(Position.KEY_CHARGE, parser.nextInt(0) == 1);
position.set(Position.KEY_IGNITION, parser.nextInt(0) == 1);
position.set(Position.KEY_INPUT, parser.nextInt(0));
position.set(Position.KEY_RFID, parser.next());
position.set(Position.KEY_ODOMETER, parser.nextInt(0));
position.set(Position.PREFIX_TEMP + 1, parser.nextInt(0));
position.set(Position.KEY_FUEL_LEVEL, parser.nextInt(0));
position.set(Position.KEY_ACCELERATION, parser.nextInt(0) == 1);
position.set(Position.KEY_OUTPUT, parser.nextInt(0) + parser.nextInt(0) << 1);
}
position.setValid(parser.next().equals("A"));
return position;
}
}