From e494177a4f0c48ef38f0293ff14b07d170842116 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Wed, 14 Oct 2015 10:51:11 +1300 Subject: Refactor T55 protocol decoder --- src/org/traccar/protocol/T55ProtocolDecoder.java | 393 ++++++++++------------- 1 file changed, 161 insertions(+), 232 deletions(-) (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/T55ProtocolDecoder.java b/src/org/traccar/protocol/T55ProtocolDecoder.java index fcb7d34ab..73c5ab73c 100644 --- a/src/org/traccar/protocol/T55ProtocolDecoder.java +++ b/src/org/traccar/protocol/T55ProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2012 - 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 +16,13 @@ package org.traccar.protocol; import java.net.SocketAddress; -import java.util.Calendar; -import java.util.TimeZone; -import java.util.regex.Matcher; +import java.util.Date; 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; @@ -31,56 +32,161 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN_GPRMC = Pattern.compile( - "\\$GPRMC," + - "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time (HHMMSS.SSS) - "([AV])," + // Validity - "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) - "([NS])," + - "(\\d{2,3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d+\\.?\\d*)?," + // Speed - "(\\d+\\.?\\d*)?," + // Course - "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY) - ".+"); - - private static final Pattern PATTERN_GPGGA = Pattern.compile( - "\\$GPGGA," + - "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time - "(\\d+)(\\d{2}\\.\\d+)," + // Latitude - "([NS])," + - "(\\d+)(\\d{2}\\.\\d+)," + // Longitude - "([EW])," + - ".+"); - - private static final Pattern PATTERN_GPRMA = Pattern.compile( - "\\$GPRMA," + - "([AV])," + // Validity - "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude - "([NS])," + - "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude - "([EW]),,," + - "(\\d+\\.?\\d*)?," + // Speed - "(\\d+\\.?\\d*)?," + // Course - ".+"); - - private static final Pattern PATTERN_TRCCR = Pattern.compile( - "\\$TRCCR," + - "(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD) - "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time (HHMMSS.SSS) - "([AV])," + // Validity - "(-?\\d+\\.\\d+)," + // Latitude - "(-?\\d+\\.\\d+)," + // Longitude - "(\\d+\\.\\d+)," + // Speed - "(\\d+\\.\\d+)," + // Course - "(-?\\d+\\.\\d+)," + // Altitude - "(\\d+\\.?\\d*)," + // Battery - ".+"); + private static final Pattern PATTERN_GPRMC = new PatternBuilder() + .txt("$GPRMC,") + .num("(dd)(dd)(dd).?d*,") // time + .xpr("([AV]),") // validity + .num("(dd)(dd.d+),") // latitude + .xpr("([NS]),") + .num("(d{2,3})(dd.d+),") // longitude + .xpr("([EW]),") + .num("(d+.?d*)?,") // speed + .num("(d+.?d*)?,") // course + .num("(dd)(dd)(dd)") // date + .any() + .compile(); + + private static final Pattern PATTERN_GPGGA = new PatternBuilder() + .txt("$GPGGA,") + .num("(dd)(dd)(dd).?d*,") // time + .num("(d+)(dd.d+),") // latitude + .xpr("([NS]),") + .num("(d+)(dd.d+),") // longitude + .xpr("([EW]),") + .any() + .compile(); + + private static final Pattern PATTERN_GPRMA = new PatternBuilder() + .txt("$GPRMA,") + .xpr("([AV]),") // validity + .num("(dd)(dd.d+),") // latitude + .xpr("([NS]),") + .num("(ddd)(dd.d+),") // longitude + .xpr("([EW]),,,") + .num("(d+.?d*)?,") // speed + .num("(d+.?d*)?,") // course + .any() + .compile(); + + private static final Pattern PATTERN_TRCCR = new PatternBuilder() + .txt("$TRCCR,") + .num("(dddd)(dd)(dd)") // date + .num("(dd)(dd)(dd).?d*,") // time + .xpr("([AV]),") // validity + .num("(-?d+.d+),") // latitude + .num("(-?d+.d+),") // longitude + .num("(d+.d+),") // speed + .num("(d+.d+),") // course + .num("(-?d+.d+),") // altitude + .num("(d+.?d*),") // battery + .any() + .compile(); + + private Position decodeGprmc(String sentence, Channel channel) { + + if (channel != null) { + channel.write("OK1\r\n"); + } + + Parser parser = new Parser(PATTERN_GPRMC, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); + + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + return position; + } + + private Position decodeGpgga(String sentence) { + + Parser parser = new Parser(PATTERN_GPGGA, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setCurrentDate() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + position.setValid(true); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + + return position; + } + + private Position decodeGprma(String sentence) { + + Parser parser = new Parser(PATTERN_GPRMA, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + position.setTime(new Date()); + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); + + return position; + } + + private Position decodeTrccr(String sentence) { + + Parser parser = new Parser(PATTERN_TRCCR, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt()) + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextDouble()); + position.setLongitude(parser.nextDouble()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); + position.setAltitude(parser.nextDouble()); + + position.set(Event.KEY_BATTERY, parser.next()); + + return position; + } @Override protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) - throws Exception { + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { String sentence = (String) msg; @@ -105,190 +211,13 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder { } else if (Character.isDigit(sentence.charAt(0)) && sentence.length() == 15) { identify(sentence, channel); } else if (sentence.startsWith("$GPRMC") && hasDeviceId()) { - - // Send response - if (channel != null) { - channel.write("OK1\r\n"); - } - - // Parse message - Matcher parser = PATTERN_GPRMC.matcher(sentence); - if (!parser.matches()) { - return null; - } - - // Create new position - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(getDeviceId()); - - Integer index = 1; - - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parser.group(index++))); - time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++))); - time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++))); - - // Validity - position.setValid(parser.group(index++).compareTo("A") == 0); - - // Latitude - Double latitude = Double.parseDouble(parser.group(index++)); - latitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("S") == 0) latitude = -latitude; - position.setLatitude(latitude); - - // Longitude - Double longitude = Double.parseDouble(parser.group(index++)); - longitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; - position.setLongitude(longitude); - - // Speed - String speed = parser.group(index++); - if (speed != null) { - position.setSpeed(Double.parseDouble(speed)); - } - - // Course - String course = parser.group(index++); - if (course != null) { - position.setCourse(Double.parseDouble(course)); - } - - // Date - time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++))); - time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1); - time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++))); - position.setTime(time.getTime()); - return position; - + return decodeGprmc(sentence, channel); } else if (sentence.startsWith("$GPGGA") && hasDeviceId()) { - - // Parse message - Matcher parser = PATTERN_GPGGA.matcher(sentence); - if (!parser.matches()) { - return null; - } - - // Create new position - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(getDeviceId()); - - Integer index = 1; - - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - 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, 0); - position.setTime(time.getTime()); - - // Validity - position.setValid(true); - - // 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); - return position; - + return decodeGpgga(sentence); } else if (sentence.startsWith("$GPRMA") && hasDeviceId()) { - - // Parse message - Matcher parser = PATTERN_GPRMA.matcher(sentence); - if (!parser.matches()) { - return null; - } - - // Create new position - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(getDeviceId()); - - Integer index = 1; - - // Time - position.setTime(Calendar.getInstance(TimeZone.getTimeZone("UTC")).getTime()); - - // Validity - position.setValid(parser.group(index++).compareTo("A") == 0); - - // Latitude - Double latitude = Double.parseDouble(parser.group(index++)); - latitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("S") == 0) latitude = -latitude; - position.setLatitude(latitude); - - // Longitude - Double longitude = Double.parseDouble(parser.group(index++)); - longitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; - position.setLongitude(longitude); - - // Speed - String speed = parser.group(index++); - if (speed != null) { - position.setSpeed(Double.parseDouble(speed)); - } - - // Course - String course = parser.group(index++); - if (course != null) { - position.setCourse(Double.parseDouble(course)); - } - return position; - + return decodeGprma(sentence); } else if (sentence.startsWith("$TRCCR") && hasDeviceId()) { - - // Parse message - Matcher parser = PATTERN_TRCCR.matcher(sentence); - if (!parser.matches()) { - return null; - } - - // Create new position - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(getDeviceId()); - - Integer index = 1; - - // 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()); - - // Validity - position.setValid(parser.group(index++).compareTo("A") == 0); - - // Location - position.setLatitude(Double.parseDouble(parser.group(index++))); - position.setLongitude(Double.parseDouble(parser.group(index++))); - position.setSpeed(Double.parseDouble(parser.group(index++))); - position.setCourse(Double.parseDouble(parser.group(index++))); - position.setAltitude(Double.parseDouble(parser.group(index++))); - - // Battery - position.set(Event.KEY_BATTERY, parser.group(index++)); - return position; + return decodeTrccr(sentence); } return null; -- cgit v1.2.3