From 2bafdf66c05b9af276fa6b6f23497b580de83259 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Wed, 4 Nov 2015 11:40:03 +1300 Subject: Refactor PT502 protocol decoder --- src/org/traccar/protocol/Pt502ProtocolDecoder.java | 143 +++++++-------------- 1 file changed, 49 insertions(+), 94 deletions(-) (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/Pt502ProtocolDecoder.java b/src/org/traccar/protocol/Pt502ProtocolDecoder.java index 41336dc05..4eec65758 100644 --- a/src/org/traccar/protocol/Pt502ProtocolDecoder.java +++ b/src/org/traccar/protocol/Pt502ProtocolDecoder.java @@ -1,6 +1,6 @@ /* - * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com) - * Luis Parada (luis.parada@gmail.com) + * Copyright 2012 - 2015 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2012 Luis Parada (luis.parada@gmail.com) * * 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; @@ -32,120 +32,74 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = Pattern.compile( - ".*" + - "\\$[A-Z]{3}\\d?," + // Type - "(\\d+)," + // Id - "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," + // Time (HHMMSS.SSS) - "([AV])," + // Validity - "(\\d{2})(\\d{2}\\.\\d{4})," + // Latitude (DDMM.MMMM) - "([NS])," + - "(\\d{3})(\\d{2}\\.\\d{4})," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d+\\.\\d+)?," + // Speed - "(\\d+\\.\\d+)?," + // Course - "(\\d{2})(\\d{2})(\\d{2}),,," + // Date - "./" + - "([01])+," + // Input - "([01])+/" + // Output - "([^/]+)?/" + // ADC - "(\\d+)" + // Odometer - "(?:/([^/]+)?/" + // RFID - "(\\p{XDigit}{3}))?" + // State - ".*"); + private static final Pattern PATTERN = new PatternBuilder() + .any().text("$") + .expression("[A-Z]{3}") + .number("d?,") // type + .number("(d+),") // id + .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 + .expression("./") + .expression("([01])+,") // input + .expression("([01])+/") // output + .expression("([^/]+)?/") // adc + .number("(d+)") // odometer + .expression("/([^/]+)?/") // rfid + .number("(xxx)").optional(2) // state + .any() + .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 IMEI - if (!identify(parser.group(index++), channel)) { + if (!identify(parser.next(), channel)) { return null; } position.setDeviceId(getDeviceId()); - // 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)); - } + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt()); - // Course - String course = parser.group(index++); - if (course != null) { - position.setCourse(Double.parseDouble(course)); - } + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); - // 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()); + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); - // IO - position.set(Event.KEY_INPUT, parser.group(index++)); - position.set(Event.KEY_OUTPUT, parser.group(index++)); + position.set(Event.KEY_INPUT, parser.next()); + position.set(Event.KEY_OUTPUT, parser.next()); - // ADC - String adc = parser.group(index++); - if (adc != null) { - String[] values = adc.split(","); + if (parser.hasNext()) { + String[] values = parser.next().split(","); for (int i = 0; i < values.length; i++) { position.set(Event.PREFIX_ADC + (i + 1), Integer.parseInt(values[i], 16)); } } - position.set(Event.KEY_ODOMETER, parser.group(index++)); + position.set(Event.KEY_ODOMETER, parser.next()); + position.set(Event.KEY_RFID, parser.next()); - // Driver - position.set(Event.KEY_RFID, parser.group(index++)); - - // Other - String status = parser.group(index++); - if (status != null) { - int value = Integer.parseInt(status, 16); + if (parser.hasNext()) { + int value = parser.nextInt(16); position.set(Event.KEY_BATTERY, value >> 8); position.set(Event.KEY_GSM, (value >> 4) & 0xf); position.set(Event.KEY_SATELLITES, value & 0xf); @@ -153,4 +107,5 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder { return position; } + } -- cgit v1.2.3