@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg)
throws Exception {
String sentence = (String) msg;
String type = sentence.substring(3, 7);
if (channel != null) {
channel.write("B" + type.substring(1)); // response
}
if (type.equals("AP00")) {
identify(sentence.substring(7), channel, remoteAddress);
return null;
}
if (!hasDeviceId()) {
return null;
}
if (type.equals("AP01") || type.equals("AP10")) {
Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(getDeviceId());
DateBuilder dateBuilder =
new DateBuilder().setDate(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setValid(parser.next().equals("A"));
position.setLatitude(parser.nextCoordinate());
position.setLongitude(parser.nextCoordinate());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
dateBuilder.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setCourse(parser.nextDouble());
position.set(Event.KEY_GSM, parser.nextInt());
position.set(Event.KEY_SATELLITES, parser.nextInt());
position.set(Event.KEY_BATTERY, parser.nextInt());
int acc = parser.nextInt();
if (acc != 0) {
position.set(Event.KEY_IGNITION, acc == 1);
}
position.set(Event.KEY_MCC, parser.nextInt());
position.set(Event.KEY_MNC, parser.nextInt());
position.set(Event.KEY_LAC, parser.nextInt());
position.set(Event.KEY_CID, parser.nextInt());
return position;
}
return null;
}
