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/*
* Copyright 2015 - 2018 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 io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.Protocol;
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;
public class AuroProtocolDecoder extends BaseProtocolDecoder {
public AuroProtocolDecoder(Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.number("M(dddd)") // index
.number("Td+") // phone
.number("I(d+)") // imei
.number("Ed+W")
.text("*****")
.number("d{8}d{4}") // local time
.expression(".{8}#.{8}")
.number("d{10}") // status
.number("([-+])(ddd)(dd)(dddd)") // longitude
.number("([-+])(ddd)(dd)(dddd)") // latitude
.number("(dd)(dd)(dddd)") // date (ddmmyyyy)
.number("(dd)(dd)(dd)") // time (hhmmss)
.number("(ddd)") // course
.number("d{6}")
.number("(ddd)") // speed
.number("d")
.number("(dd)") // battery
.expression("([01])") // charging
.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(getProtocolName());
position.set(Position.KEY_INDEX, parser.nextInt(0));
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
position.setValid(true);
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_MIN));
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_MIN));
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.setCourse(parser.nextDouble(0));
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
position.set(Position.KEY_BATTERY, parser.nextInt(0));
position.set(Position.KEY_CHARGE, parser.nextInt(0) == 1);
return position;
}
}
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