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path: root/src/org/traccar/protocol/IntellitracProtocolDecoder.java
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/*
 * Copyright 2013 - 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.ServerManager;
import org.traccar.helper.Log;
import org.traccar.model.ExtendedInfoFormatter;
import org.traccar.model.Position;

public class IntellitracProtocolDecoder extends BaseProtocolDecoder {

    public IntellitracProtocolDecoder(ServerManager serverManager) {
        super(serverManager);
    }

    public IntellitracProtocolDecoder(ServerManager serverManager, String protocol) {
        super(serverManager, protocol);
    }

    private static final Pattern pattern = Pattern.compile(
            "(?:.+,)?(\\d+)," +            // Device Identifier
            "(\\d{4})(\\d{2})(\\d{2})" +   // Date (YYYYMMDD)
            "(\\d{2})(\\d{2})(\\d{2})," +  // Time (HHMMSS)
            "(-?\\d+\\.\\d+)," +           // Longitude
            "(-?\\d+\\.\\d+)," +           // Latitude
            "(\\d+\\.?\\d*)," +            // Speed
            "(\\d+\\.?\\d*)," +            // Course
            "(-?\\d+\\.?\\d*)," +          // Altitude
            "(\\d+)," +                    // Satellites
            "(\\d+)," +                    // Report Identifier
            "(\\d+)," +                    // Input
            "(\\d+),?" +                   // Output
            "(\\d+\\.\\d+)?,?" +           // ADC1
            "(\\d+\\.\\d+)?,?" +           // ADC2
            "(?:\\d{14},\\d+," +
            "(\\d+)," +                    // VSS
            "(\\d+)," +                    // RPM
            "(-?\\d+)," +                  // Coolant
            "(\\d+)," +                    // Fuel
            "(\\d+)," +                    // Fuel Consumption
            "(-?\\d+)," +                  // Fuel Temperature
            "(\\d+)," +                    // Charger Pressure
            "(\\d+)," +                    // TPL
            "(\\d+)," +                    // Axle Weight
            "(\\d+))?" +                   // Milage
            ".*");

    @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();
        ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol());
        Integer index = 1;

        // Detect device
        String id = parser.group(index++);
        try {
            position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
        } catch(Exception error) {
            Log.warning("Unknown device - " + id);
            return null;
        }
        
        // Date and time
        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
        time.clear();
        time.set(Calendar.YEAR, Integer.valueOf(parser.group(index++)));
        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
        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());
        
        // Location data
        position.setLongitude(Double.valueOf(parser.group(index++)));
        position.setLatitude(Double.valueOf(parser.group(index++)));
        position.setSpeed(Double.valueOf(parser.group(index++)));
        position.setCourse(Double.valueOf(parser.group(index++)));
        position.setAltitude(Double.valueOf(parser.group(index++)));
        
        // Satellites
        int satellites = Integer.valueOf(parser.group(index++));
        position.setValid(satellites >= 3);
        extendedInfo.set("satellites", satellites);
        
        // Report identifier
        extendedInfo.set("index", Long.valueOf(parser.group(index++)));

        // Input
        extendedInfo.set("input", parser.group(index++));

        // Output
        extendedInfo.set("output", parser.group(index++));

        // ADC1
        extendedInfo.set("adc1", parser.group(index++));

        // ADC2
        extendedInfo.set("adc2", parser.group(index++));

        // J1939 data
        extendedInfo.set("vss", parser.group(index++));
        extendedInfo.set("rpm", parser.group(index++));
        extendedInfo.set("coolant", parser.group(index++));
        extendedInfo.set("fuel", parser.group(index++));
        extendedInfo.set("consumption", parser.group(index++));
        extendedInfo.set("temperature", parser.group(index++));
        extendedInfo.set("charger", parser.group(index++));
        extendedInfo.set("tpl", parser.group(index++));
        extendedInfo.set("axle", parser.group(index++));
        extendedInfo.set("milage", parser.group(index++));
        
        position.setExtendedInfo(extendedInfo.toString());
        return position;
    }

}