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path: root/src/org/traccar/protocol/Stl060ProtocolDecoder.java
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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.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.model.Event;
import org.traccar.model.Position;

public class Stl060ProtocolDecoder extends BaseProtocolDecoder {

    public Stl060ProtocolDecoder(Stl060Protocol protocol) {
        super(protocol);
    }

    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(
            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());

        if (!identify(parser.next(), channel)) {
            return null;
        }
        position.setDeviceId(getDeviceId());

        DateBuilder dateBuilder = new DateBuilder()
                .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
        position.setTime(dateBuilder.getDate());

        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN_HEM));
        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN_HEM));
        position.setSpeed(parser.nextDouble());
        position.setCourse(parser.nextDouble());

        // Old format
        if (parser.hasNext(5)) {
            position.set(Event.KEY_ODOMETER, parser.nextInt());
            position.set(Event.KEY_IGNITION, parser.nextInt());
            position.set(Event.KEY_INPUT, parser.nextInt() + parser.nextInt() << 1);
            position.set(Event.KEY_FUEL, parser.nextInt());
        }

        // New format
        if (parser.hasNext(10)) {
            position.set(Event.KEY_CHARGE, parser.nextInt() == 1);
            position.set(Event.KEY_IGNITION, parser.nextInt());
            position.set(Event.KEY_INPUT, parser.nextInt());
            position.set(Event.KEY_RFID, parser.next());
            position.set(Event.KEY_ODOMETER, parser.nextInt());
            position.set(Event.PREFIX_TEMP + 1, parser.nextInt());
            position.set(Event.KEY_FUEL, parser.nextInt());
            position.set("accel", parser.nextInt() == 1);
            position.set(Event.KEY_OUTPUT, parser.nextInt() + parser.nextInt() << 1);
        }

        position.setValid(parser.next().equals("A"));

        return position;
    }

}