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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-27 10:56:05 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-27 10:56:05 +1300
commit52f6ed7567fc11babf831401ac9744f9ebd7c735 (patch)
treef355fae03a740567387869262ffe89661afa7872 /src/org/traccar/protocol
parent622706ec1c8e2a78dae161a1db64b09247efbfd9 (diff)
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Refactor Visiontek protocol decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/VisiontekProtocolDecoder.java139
1 files changed, 58 insertions, 81 deletions
diff --git a/src/org/traccar/protocol/VisiontekProtocolDecoder.java b/src/org/traccar/protocol/VisiontekProtocolDecoder.java
index f974d08be..0dce4954d 100644
--- a/src/org/traccar/protocol/VisiontekProtocolDecoder.java
+++ b/src/org/traccar/protocol/VisiontekProtocolDecoder.java
@@ -22,6 +22,9 @@ import java.util.regex.Matcher;
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.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Event;
import org.traccar.model.Position;
@@ -32,107 +35,81 @@ public class VisiontekProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN = Pattern.compile(
- "\\$1," +
- "([^,]+)," + // Identifier
- "(?:(\\d+),)?" + // IMEI
- "(\\d{2}),(\\d{2}),(\\d{2})," + // Date
- "(\\d{2}),(\\d{2}),(\\d{2})," + // Time
- "(\\d{2})(\\d{2}\\.?\\d{4})([NS])," + // Latitude
- "(\\d{3})(\\d{2}\\.?\\d{4})([EW])," + // Longitude
- "(\\d+\\.?\\d+)," + // Speed
- "(\\d+)," + // Course
- "(?:(\\d+)," + // Altitude
- "(\\d+),)?" + // Satellites
- "(\\d+)," + // Odometer
- "(?:(\\d)," + // Ignition
- "(\\d)," + // Input 1
- "(\\d)," + // Input 2
- "(\\d)," + // Immobilizer
- "(\\d)," + // External Battery Status
- "(\\d+),)?" + // GSM
- "([AV]),?" + // Validity
- "(\\d+)?" + // RFID
- ".*");
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$1,")
+ .expression("([^,]+),") // identifier
+ .number("(d+),").optional() // imei
+ .number("(dd),(dd),(dd),") // date
+ .number("(dd),(dd),(dd),") // time
+ .number("(dd)(dd).?(dddd)") // latitude
+ .expression("([NS]),")
+ .number("(ddd)(dd).?(dddd)") // longitude
+ .expression("([EW]),")
+ .number("(d+.?d+),") // speed
+ .number("(d+),") // course
+ .groupBegin()
+ .number("(d+),") // altitude
+ .number("(d+),") // satellites
+ .groupEnd("?")
+ .number("(d+),") // odometer
+ .groupBegin()
+ .number("(d),") // ignition
+ .number("(d),") // input 1
+ .number("(d),") // input 2
+ .number("(d),") // immobilizer
+ .number("(d),") // external battery status
+ .number("(d+),") // gsm
+ .groupEnd("?")
+ .expression("([AV]),?") // validity
+ .number("(d+)?") // rfid
+ .any()
+ .compile();
@Override
protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg)
- throws Exception {
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
- String sentence = (String) msg;
-
- // Parse message
- Matcher parser = PATTERN.matcher(sentence);
+ Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
- // Create new position
Position position = new Position();
position.setProtocol(getProtocolName());
- Integer index = 1;
-
- // Device identification
- String id = parser.group(index++);
- String imei = parser.group(index++);
+ String id = parser.next();
+ String imei = parser.next();
if (!identify(id, channel, null, false) && !identify(imei, channel)) {
return null;
}
position.setDeviceId(getDeviceId());
- // Date
- Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
- time.clear();
- time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++)));
- time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
- time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++)));
- time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parser.group(index++)));
- time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++)));
- time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++)));
- position.setTime(time.getTime());
-
- // Latitude
- Double latitude = Double.parseDouble(parser.group(index++));
- latitude += Double.parseDouble(parser.group(index++).replace(".", "")) / 600000;
- if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
- position.setLatitude(latitude);
-
- // Longitude
- Double longitude = Double.parseDouble(parser.group(index++));
- longitude += Double.parseDouble(parser.group(index++).replace(".", "")) / 600000;
- if (parser.group(index++).compareTo("W") == 0) longitude = -longitude;
- position.setLongitude(longitude);
-
- // Speed
+ 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(UnitsConverter.knotsFromKph(Double.parseDouble(
- parser.group(index++).replace(".", "")) / 10));
+ parser.next().replace(".", "")) / 10));
- // Course
- position.setCourse(Double.parseDouble(parser.group(index++)));
+ position.setCourse(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
- // Altitude
- String altitude = parser.group(index++);
- if (altitude != null) {
- position.setAltitude(Double.parseDouble(altitude));
- }
+ position.set(Event.KEY_SATELLITES, parser.next());
+ position.set(Event.KEY_ODOMETER, parser.next());
+ position.set(Event.KEY_IGNITION, parser.next());
+ position.set(Event.PREFIX_IO + 1, parser.next());
+ position.set(Event.PREFIX_IO + 2, parser.next());
+ position.set("immobilizer", parser.next());
+ position.set(Event.KEY_POWER, parser.next());
+ position.set(Event.KEY_GSM, parser.next());
+
+ position.setValid(parser.next().equals("A"));
- // Additional data
- position.set(Event.KEY_SATELLITES, parser.group(index++));
- position.set(Event.KEY_ODOMETER, parser.group(index++));
- position.set(Event.KEY_IGNITION, parser.group(index++));
- position.set(Event.PREFIX_IO + 1, parser.group(index++));
- position.set(Event.PREFIX_IO + 2, parser.group(index++));
- position.set("immobilizer", parser.group(index++));
- position.set(Event.KEY_POWER, parser.group(index++));
- position.set(Event.KEY_GSM, parser.group(index++));
-
- // Validity
- position.setValid(parser.group(index++).compareTo("A") == 0);
-
- // RFID
- position.set(Event.KEY_RFID, parser.group(index++));
+ position.set(Event.KEY_RFID, parser.next());
return position;
}