@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
// Parse message
Matcher parser = pattern.matcher((String) msg);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("wondex");
int index = 1;
// Device identifier
String id = parser.group(index++);
try {
position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
} catch (Exception error) {
Log.warning("Unknown device - " + id);
return null;
}
// 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());
// Position data
position.setLongitude(Double.valueOf(parser.group(index++)));
position.setLatitude(Double.valueOf(parser.group(index++)));
position.setSpeed(Double.valueOf(parser.group(index++)) * 0.539957);
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);
// Event
extendedInfo.set("event", parser.group(index++));
// Battery
extendedInfo.set("battery", parser.group(index++));
// Milage
extendedInfo.set("milage", parser.group(index++));
// Input
extendedInfo.set("input", parser.group(index++));
// ADC
extendedInfo.set("adc1", parser.group(index++));
extendedInfo.set("adc2", parser.group(index++));
// Output
extendedInfo.set("output", parser.group(index++));
position.setExtendedInfo(extendedInfo.toString());
return position;
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
String sentence = (String) msg;
// Heartbeat
if (sentence.startsWith("$ECHK") && channel != null) {
channel.write(sentence + "\r\n");
return null;
}
// Parse message
Matcher parser = pattern.matcher(sentence);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("laipac");
Integer index = 1;
// Identification
String id = parser.group(index++);
try {
position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
} catch (Exception error) {
Log.warning("Unknown device - " + id);
}
// Time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
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++)));
// Validity
String status = parser.group(index++);
position.setValid(status.compareToIgnoreCase("A") == 0);
// Latitude
Double latitude = Double.valueOf(parser.group(index++));
latitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
position.setLatitude(latitude);
// Longitude
Double longitude = Double.valueOf(parser.group(index++));
longitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("W") == 0) longitude = -longitude;
position.setLongitude(longitude);
// Speed
position.setSpeed(Double.valueOf(parser.group(index++)));
// Course
position.setCourse(Double.valueOf(parser.group(index++)));
// Date
time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
position.setTime(time.getTime());
// Altitude
position.setAltitude(0.0);
// Response
String type = parser.group(index++);
String checksum = parser.group(index++);
String response = null;
if (type.equals("0") && Character.isLowerCase(status.charAt(0))) {
response = "$EAVACK,0," + checksum;
response += Crc.nmeaChecksum(response);
} else if (type.equals("S") || type.equals("T")) {
response = "$AVCFG,00000000,t*21";
} else if (type.equals("3")) {
response = "$AVCFG,00000000,d*31";
} else if (type.equals("X") || type.equals("4")) {
response = "$AVCFG,00000000,x*2D";
}
if (response != null && channel != null) {
channel.write(response + "\r\n");
}
position.setExtendedInfo(extendedInfo.toString());
return position;
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
// Parse message
String sentence = (String) msg;
Matcher parser = pattern.matcher(sentence);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("xexun2");
Integer index = 1;
// Serial
extendedInfo.set("serial", parser.group(index++));
// Number
extendedInfo.set("number", parser.group(index++));
// Time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MILLISECOND, Integer.valueOf(parser.group(index++)));
// Validity
position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
// Latitude
Double latitude = Double.valueOf(parser.group(index++));
latitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
position.setLatitude(latitude);
// Longitude
Double lonlitude = Double.valueOf(parser.group(index++));
lonlitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
position.setLongitude(lonlitude);
// Speed
position.setSpeed(Double.valueOf(parser.group(index++)));
// Course
String course = parser.group(index++);
if (course != null) {
position.setCourse(Double.valueOf(course));
} else {
position.setCourse(0.0);
}
// Date
time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
position.setTime(time.getTime());
// Signal
extendedInfo.set("signal", parser.group(index++));
// Alarm
extendedInfo.set("alarm", parser.group(index++));
// Get device by IMEI
String imei = parser.group(index++);
try {
position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
} catch (Exception error) {
Log.warning("Unknown device - " + imei);
return null;
}
// Satellites
extendedInfo.set("satellites", parser.group(index++).replaceFirst("^0*(?![\\.$])", ""));
// Altitude
String altitude = parser.group(index++);
if (altitude != null) {
position.setAltitude(Double.valueOf(altitude));
} else {
position.setAltitude(0.0);
}
// Power
position.setPower(Double.valueOf(parser.group(index++)));
// Extended info
position.setExtendedInfo(extendedInfo.toString());
return position;
}