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/*
* Copyright 2015 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.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class MtxProtocolDecoder extends BaseProtocolDecoder {
public MtxProtocolDecoder(MtxProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.txt("#MTX,")
.num("(d+),") // IMEI
.num("(dddd)(dd)(dd),") // Date
.num("(dd)(dd)(dd),") // Time
.num("(-?d+.d+),") // Latitude
.num("(-?d+.d+),") // Longitude
.num("(d+.?d*),") // Speed
.num("(d+),") // Course
.num("(d+.?d*),") // Odometer
.groupBegin()
.num("d+")
.or()
.txt("X")
.groupEnd(false)
.txt(",")
.xpr("(?:[01]|X),")
.xpr("([01]+),") // Input
.xpr("([01]+),") // Output
.num("(d+),") // ADC1
.num("(d+)") // ADC2
.any()
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
if (channel != null) {
channel.write("#ACK");
}
Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
if (!identify(parser.next(), channel)) {
return null;
}
position.setDeviceId(getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
.setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setValid(true);
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
position.set(Event.KEY_ODOMETER, parser.nextDouble());
position.set(Event.KEY_INPUT, parser.next());
position.set(Event.KEY_OUTPUT, parser.next());
position.set(Event.PREFIX_ADC + 1, parser.next());
position.set(Event.PREFIX_ADC + 2, parser.next());
return position;
}
}
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