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/*
* Copyright 2019 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.helper.UnitsConverter;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.text.SimpleDateFormat;
public class StarcomProtocolDecoder extends BaseProtocolDecoder {
public StarcomProtocolDecoder(StarcomProtocol protocol) {
super(protocol);
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
sentence = sentence.substring(sentence.indexOf('|') + 1, sentence.lastIndexOf('|'));
Position position = new Position();
position.setProtocol(getProtocolName());
for (String entry : sentence.split(",")) {
int delimiter = entry.indexOf('=');
String key = entry.substring(0, delimiter);
String value = entry.substring(delimiter + 1);
switch (key) {
case "unit":
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, value);
if (deviceSession != null) {
position.setDeviceId(deviceSession.getDeviceId());
}
break;
case "gps_valid":
position.setValid(Integer.parseInt(value) != 0);
break;
case "datetime_actual":
position.setTime(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").parse(value));
break;
case "latitude":
position.setLatitude(Double.parseDouble(value));
break;
case "longitude":
position.setLongitude(Double.parseDouble(value));
break;
case "altitude":
position.setAltitude(Double.parseDouble(value));
break;
case "velocity":
position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(value)));
break;
case "heading":
position.setCourse(Integer.parseInt(value));
break;
case "eventid":
position.set(Position.KEY_EVENT, Integer.parseInt(value));
break;
case "odometer":
position.set(Position.KEY_ODOMETER, Long.parseLong(value));
break;
case "satellites":
position.set(Position.KEY_SATELLITES, Integer.parseInt(value));
break;
case "ignition":
position.set(Position.KEY_IGNITION, Integer.parseInt(value) != 0);
break;
case "door":
position.set(Position.KEY_DOOR, Integer.parseInt(value) != 0);
break;
case "arm":
position.set(Position.KEY_ARMED, Integer.parseInt(value) != 0);
break;
case "fuel":
position.set(Position.KEY_FUEL_LEVEL, Integer.parseInt(value));
break;
case "rpm":
position.set(Position.KEY_RPM, Integer.parseInt(value));
break;
case "main_voltage":
position.set(Position.KEY_POWER, Double.parseDouble(value));
break;
case "backup_voltage":
position.set(Position.KEY_BATTERY, Double.parseDouble(value));
break;
case "analog1":
case "analog2":
case "analog3":
position.set(Position.PREFIX_ADC + (key.charAt(key.length() - 1) - '0'), Double.parseDouble(value));
break;
case "extra1":
case "extra2":
case "extra3":
position.set(key, value);
default:
break;
}
}
return position;
}
}
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