From e9aa53180dac2dd4a0ed585791959018804c4815 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Thu, 5 Nov 2015 14:14:50 +1300 Subject: Refactor Flextrack protocol decoder --- .../traccar/protocol/FlextrackProtocolDecoder.java | 151 +++++++++------------ 1 file changed, 63 insertions(+), 88 deletions(-) (limited to 'src/org/traccar/protocol') 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; } -- cgit v1.2.3