diff options
Diffstat (limited to 'src/org/traccar/protocol')
| -rw-r--r-- | src/org/traccar/protocol/CarTrackProtocolDecoder.java | 128 |
1 files changed, 46 insertions, 82 deletions
diff --git a/src/org/traccar/protocol/CarTrackProtocolDecoder.java b/src/org/traccar/protocol/CarTrackProtocolDecoder.java index d9bf27973..762017d33 100644 --- a/src/org/traccar/protocol/CarTrackProtocolDecoder.java +++ b/src/org/traccar/protocol/CarTrackProtocolDecoder.java @@ -1,6 +1,6 @@ /* - * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com) - * Rohit + * Copyright 2014 - 2015 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2014 Rohit * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,12 +17,12 @@ 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; @@ -32,100 +32,63 @@ public class CarTrackProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = Pattern.compile( - "\\$\\$" + // Header - "(\\d+)\\?*" + // Device ID - "&A" + - "(\\d{4})" + // Command - 2 - "&B" + - "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," + // HHMMSS.DDD - "([AV])," + // STATUS : A= Valid, V = Invalid - "(\\d{2})(\\d{2}\\.\\d{4})," + // Lat : XXMM.DDDDD - "([NS])," + // N/S - "(\\d{3})(\\d{2}\\.\\d{4})," + // Long : YYYMM.DDDD - "([EW])," + // E/W - "(\\d+.\\d*)?," + // Speed in Knots - "(\\d+.\\d*)?," + // Heading - "(\\d{2})(\\d{2})(\\d{2})" + // DDMMYY - ".*" + - "&C(.*)" + // IO Port Data - "&D(.*)" + // Mile Meter Data - "&E(.*)" + // Alarm Data - "(?:&Y)?(.*)"); // AD Input Data + private static final Pattern PATTERN = new PatternBuilder() + .text("$$") // header + .number("(d+)") // device id + .text("?").expression("*") + .text("&A") + .number("(dddd)") // command + .text("&B") + .number("(dd)(dd)(dd).(ddd),") // time + .expression("([AV]),") // validity + .number("(dd)(dd.dddd),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.dddd),") // longitude + .expression("([EW]),") + .number("(d+.d*)?,") // speed + .number("(d+.d*)?,") // course + .number("(dd)(dd)(dd)") // date (ddmmyy) + .any() + .expression("&C([^&]*)") // io + .expression("&D([^&]*)") // odometer + .expression("&E([^&]*)") // alarm + .expression("&Y([^&]*)").optional() // adc + .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; - // Get device by unique identifier - if (!identify(parser.group(index++), channel)) { + if (!identify(parser.next(), channel)) { return null; } position.setDeviceId(getDeviceId()); - // Command - position.set("command", parser.group(index++)); - - // 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++))); - - // 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)); - } + position.set("command", parser.next()); - // Course - String course = parser.group(index++); - if (course != null) { - position.setCourse(Double.parseDouble(course)); - } + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt()); - // 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()); + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); - // State - position.set(Event.PREFIX_IO + 1, parser.group(index++)); + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); - // Odometer - String odometer = parser.group(index++); + position.set(Event.PREFIX_IO + 1, parser.next()); + + String odometer = parser.next(); odometer = odometer.replace(":", "A"); odometer = odometer.replace(";", "B"); odometer = odometer.replace("<", "C"); @@ -134,8 +97,9 @@ public class CarTrackProtocolDecoder extends BaseProtocolDecoder { odometer = odometer.replace("?", "F"); position.set(Event.KEY_ODOMETER, Integer.parseInt(odometer, 16)); - position.set(Event.KEY_ALARM, parser.group(index++)); - position.set("ad", parser.group(index++)); + position.set(Event.KEY_ALARM, parser.next()); + position.set(Event.PREFIX_ADC + 1, parser.next()); + return position; } |