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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-05 14:14:50 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-05 14:14:50 +1300
commite9aa53180dac2dd4a0ed585791959018804c4815 (patch)
treeff36f873f270f53edfce8683265fae7d67c1b5d1 /src/org/traccar/protocol
parent08dc9eb08cf5a1f3c474d4ac5e421db4259ec92e (diff)
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Refactor Flextrack protocol decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/FlextrackProtocolDecoder.java151
1 files changed, 63 insertions, 88 deletions
diff --git a/src/org/traccar/protocol/FlextrackProtocolDecoder.java b/src/org/traccar/protocol/FlextrackProtocolDecoder.java
index e89e31aaf..a8acc42be 100644
--- a/src/org/traccar/protocol/FlextrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/FlextrackProtocolDecoder.java
@@ -16,12 +16,12 @@
package org.traccar.protocol;
import java.net.SocketAddress;
-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.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;
@@ -32,34 +32,36 @@ public class FlextrackProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN_LOGON = Pattern.compile(
- "(-?\\d+)," + // Index
- "LOGON," +
- "(\\d+)," + // Node ID
- "(\\d+)"); // ICCID
-
- private static final Pattern PATTERN = Pattern.compile(
- "(-?\\d+)," + // Index
- "UNITSTAT," +
- "(\\d{4})(\\d{2})(\\d{2})," + // Date (YYYYMMDD)
- "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
- "\\d+," + // Node ID
- "([NS])(\\d+)\\.(\\d+\\.\\d+)," + // Longitude
- "([EW])(\\d+)\\.(\\d+\\.\\d+)," + // Latitude
- "(\\d+)," + // Speed
- "(\\d+)," + // Course
- "(\\d+)," + // Satellites
- "(\\d+)," + // Battery
- "(-?\\d+)," + // GSM
- "(\\p{XDigit}+)," + // State
- "(\\d{3})" + // MCC
- "(\\d{2})," + // MNC
- "(-?\\d+)," + // Altitude
- "(\\d+)," + // HDOP
- "(\\p{XDigit}+)," + // Cell
- "\\d+," + // GPS fix time
- "(\\p{XDigit}+)," + // LAC
- "(\\d+)"); // Odometer
+ private static final Pattern PATTERN_LOGON = new PatternBuilder()
+ .number("(-?d+),") // index
+ .text("LOGON,")
+ .number("(d+),") // node id
+ .number("(d+)") // iccid
+ .compile();
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .number("(-?d+),") // index
+ .text("UNITSTAT,")
+ .number("(dddd)(dd)(dd),") // date
+ .number("(dd)(dd)(dd),") // time
+ .number("d+,") // node id
+ .number("([NS])(d+).(d+.d+),") // latitude
+ .number("([EW])(d+).(d+.d+),") // longitude
+ .number("(d+),") // speed
+ .number("(d+),") // course
+ .number("(d+),") // satellites
+ .number("(d+),") // battery
+ .number("(-?d+),") // gsm
+ .number("(x+),") // state
+ .number("(ddd)") // mcc
+ .number("(dd),") // mnc
+ .number("(-?d+),") // altitude
+ .number("(d+),") // hdop
+ .number("(x+),") // cell
+ .number("d+,") // gps fix time
+ .number("(x+),") // lac
+ .number("(d+)") // odometer
+ .compile();
private void sendAcknowledgement(Channel channel, String index) {
if (channel != null) {
@@ -69,24 +71,21 @@ public class FlextrackProtocolDecoder extends BaseProtocolDecoder {
@Override
protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg)
- throws Exception {
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
if (sentence.contains("LOGON")) {
- Matcher parser = PATTERN_LOGON.matcher(sentence);
+ Parser parser = new Parser(PATTERN_LOGON, sentence);
if (!parser.matches()) {
return null;
}
- int index = 1;
+ sendAcknowledgement(channel, parser.next());
- sendAcknowledgement(channel, parser.group(index++));
-
- String id = parser.group(index++);
- String iccid = parser.group(index++);
+ String id = parser.next();
+ String iccid = parser.next();
if (!identify(iccid, channel, null, false) && !identify(id, channel)) {
return null;
@@ -94,7 +93,7 @@ public class FlextrackProtocolDecoder extends BaseProtocolDecoder {
} else if (sentence.contains("UNITSTAT") && hasDeviceId()) {
- Matcher parser = PATTERN.matcher(sentence);
+ Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
@@ -103,56 +102,32 @@ public class FlextrackProtocolDecoder extends BaseProtocolDecoder {
position.setProtocol(getProtocolName());
position.setDeviceId(getDeviceId());
- int index = 1;
-
- sendAcknowledgement(channel, parser.group(index++));
-
- // Time
- Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
- time.clear();
- time.set(Calendar.YEAR, Integer.parseInt(parser.group(index++)));
- time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
- time.set(Calendar.DAY_OF_MONTH, 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
- String hemisphere = parser.group(index++);
- double lat = Integer.parseInt(parser.group(index++));
- lat += Double.parseDouble(parser.group(index++)) / 60;
- if (hemisphere.equals("S")) {
- lat = -lat;
- }
- position.setLatitude(lat);
-
- // Longitude
- hemisphere = parser.group(index++);
- double lon = Integer.parseInt(parser.group(index++));
- lon += Double.parseDouble(parser.group(index++)) / 60;
- if (hemisphere.equals("W")) {
- lon = -lon;
- }
- position.setLongitude(lon);
+ sendAcknowledgement(channel, parser.next());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
position.setValid(true);
- position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(parser.group(index++))));
- position.setCourse(Integer.parseInt(parser.group(index++)));
-
- position.set(Event.KEY_SATELLITES, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_BATTERY, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_GSM, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_STATUS, Integer.parseInt(parser.group(index++), 16));
- position.set(Event.KEY_MCC, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_MNC, Integer.parseInt(parser.group(index++)));
-
- position.setAltitude(Integer.parseInt(parser.group(index++)));
-
- position.set(Event.KEY_HDOP, Integer.parseInt(parser.group(index++)) / 10.0);
- position.set(Event.KEY_CELL, parser.group(index++));
- position.set(Event.KEY_LAC, parser.group(index++));
- position.set(Event.KEY_ODOMETER, Integer.parseInt(parser.group(index++)));
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+ position.setCourse(parser.nextInt());
+
+ position.set(Event.KEY_SATELLITES, parser.nextInt());
+ position.set(Event.KEY_BATTERY, parser.nextInt());
+ position.set(Event.KEY_GSM, parser.nextInt());
+ position.set(Event.KEY_STATUS, parser.nextInt(16));
+ position.set(Event.KEY_MCC, parser.nextInt());
+ position.set(Event.KEY_MNC, parser.nextInt());
+
+ position.setAltitude(parser.nextInt());
+
+ position.set(Event.KEY_HDOP, parser.nextInt() * 0.1);
+ position.set(Event.KEY_CELL, parser.next());
+ position.set(Event.KEY_LAC, parser.next());
+ position.set(Event.KEY_ODOMETER, parser.nextInt());
return position;
}