From c27a9280838a20a18df2fdabbf5de1db85cab39d Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Tue, 3 Nov 2015 11:22:24 +1300 Subject: Refactor Trackbox protocol decoder --- .../traccar/protocol/TrackboxProtocolDecoder.java | 133 ++++++++------------- 1 file changed, 51 insertions(+), 82 deletions(-) (limited to 'src/org/traccar/protocol/TrackboxProtocolDecoder.java') diff --git a/src/org/traccar/protocol/TrackboxProtocolDecoder.java b/src/org/traccar/protocol/TrackboxProtocolDecoder.java index 39b1662ea..2cd2b98c2 100644 --- a/src/org/traccar/protocol/TrackboxProtocolDecoder.java +++ b/src/org/traccar/protocol/TrackboxProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2014 - 2015 Anton Tananaev (anton.tananaev@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -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.model.Event; import org.traccar.model.Position; @@ -31,18 +31,19 @@ public class TrackboxProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = Pattern.compile( - "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," + // Time - "(\\d{2})(\\d{2}\\.\\d{4})([NS])," + // Latitude (DDMM.MMMM) - "(\\d{3})(\\d{2}\\.\\d{4})([EW])," + // Longitude (DDDMM.MMMM) - "(\\d+\\.\\d)," + // HDOP - "(-?\\d+\\.?\\d*)," + // Altitude - "(\\d)," + // Fix Type - "(\\d+\\.\\d+)," + // Course - "(\\d+\\.\\d+)," + // Speed (kph) - "(\\d+\\.\\d+)," + // Speed (knots) - "(\\d{2})(\\d{2})(\\d{2})," + // Date - "(\\d+)"); // Satellites + private static final Pattern PATTERN = new PatternBuilder() + .number("(dd)(dd)(dd).(ddd),") // Time + .number("(dd)(dd.dddd)([NS]),") // Latitude (DDMM.MMMM) + .number("(ddd)(dd.dddd)([EW]),") // Longitude (DDDMM.MMMM) + .number("(d+.d),") // HDOP + .number("(-?d+.?d*),") // Altitude + .number("(d),") // Fix Type + .number("(d+.d+),") // Course + .number("d+.d+,") // Speed (kph) + .number("(d+.d+),") // Speed (knots) + .number("(dd)(dd)(dd),") // Date + .number("(d+)") // Satellites + .compile(); private void sendResponse(Channel channel) { if (channel != null) { @@ -52,83 +53,51 @@ public class TrackboxProtocolDecoder 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.startsWith("a=connect")) { - String id = sentence.substring(sentence.indexOf("i=") + 2); if (identify(id, channel)) { sendResponse(channel); } + return null; + } - } else { - - Matcher parser = PATTERN.matcher(sentence); - if (!parser.matches()) { - return null; - } - sendResponse(channel); - - Position position = new Position(); - position.setDeviceId(getDeviceId()); - position.setProtocol(getProtocolName()); - - Integer index = 1; - - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - 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++))); - time.set(Calendar.MILLISECOND, Integer.parseInt(parser.group(index++))); - - // Latitude - Double latitude = Double.parseDouble(parser.group(index++)); - latitude += Double.parseDouble(parser.group(index++)) / 60; - 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++)) / 60; - if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; - position.setLongitude(longitude); - - // HDOP - position.set(Event.KEY_HDOP, parser.group(index++)); - - // Altitude - position.setAltitude(Double.parseDouble(parser.group(index++))); - - // Validity - int fix = Integer.parseInt(parser.group(index++)); - position.set(Event.KEY_GPS, fix); - position.setValid(fix > 0); - - // Course - position.setCourse(Double.parseDouble(parser.group(index++))); - - // Speed - index += 1; // speed in kph - position.setSpeed(Double.parseDouble(parser.group(index++))); - - // Date - 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++))); - position.setTime(time.getTime()); - - // Satellites - position.set(Event.KEY_SATELLITES, parser.group(index++)); - - return position; + Parser parser = new Parser(PATTERN, sentence); + if (!parser.matches()) { + return null; } + sendResponse(channel); + + Position position = new Position(); + position.setDeviceId(getDeviceId()); + position.setProtocol(getProtocolName()); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt()); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + + position.set(Event.KEY_HDOP, parser.next()); + + position.setAltitude(parser.nextDouble()); + + int fix = parser.nextInt(); + position.set(Event.KEY_GPS, fix); + position.setValid(fix > 0); + + position.setCourse(parser.nextDouble()); + position.setSpeed(parser.nextDouble()); + + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + position.set(Event.KEY_SATELLITES, parser.next()); - return null; + return position; } } -- cgit v1.2.3