diff options
Diffstat (limited to 'src/org/traccar/protocol/Jt600ProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/Jt600ProtocolDecoder.java | 142 |
1 files changed, 55 insertions, 87 deletions
diff --git a/src/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/org/traccar/protocol/Jt600ProtocolDecoder.java index ae74a1e83..116625ee9 100644 --- a/src/org/traccar/protocol/Jt600ProtocolDecoder.java +++ b/src/org/traccar/protocol/Jt600ProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2012 - 2013 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. @@ -17,15 +17,16 @@ package org.traccar.protocol; import java.net.SocketAddress; import java.nio.charset.Charset; -import java.util.Calendar; -import java.util.TimeZone; -import java.util.regex.Matcher; import java.util.regex.Pattern; import org.jboss.netty.buffer.ChannelBuffer; import org.jboss.netty.buffer.ChannelBuffers; import org.jboss.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; import org.traccar.helper.ChannelBufferTools; +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; @@ -48,58 +49,49 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder { buf.readByte(); // header - // Get device by identifier String id = String.valueOf(Long.parseLong(ChannelBuffers.hexDump(buf.readBytes(5)))); if (!identify(id, channel)) { return null; } position.setDeviceId(getDeviceId()); - // Protocol and type int version = ChannelBufferTools.readHexInteger(buf, 1); buf.readUnsignedByte(); // type - buf.readBytes(2); // length - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - time.set(Calendar.DAY_OF_MONTH, ChannelBufferTools.readHexInteger(buf, 2)); - time.set(Calendar.MONTH, ChannelBufferTools.readHexInteger(buf, 2) - 1); - time.set(Calendar.YEAR, 2000 + ChannelBufferTools.readHexInteger(buf, 2)); - time.set(Calendar.HOUR_OF_DAY, ChannelBufferTools.readHexInteger(buf, 2)); - time.set(Calendar.MINUTE, ChannelBufferTools.readHexInteger(buf, 2)); - time.set(Calendar.SECOND, ChannelBufferTools.readHexInteger(buf, 2)); - position.setTime(time.getTime()); - - // Coordinates + DateBuilder dateBuilder = new DateBuilder() + .setDay(ChannelBufferTools.readHexInteger(buf, 2)) + .setMonth(ChannelBufferTools.readHexInteger(buf, 2)) + .setYear(ChannelBufferTools.readHexInteger(buf, 2)) + .setHour(ChannelBufferTools.readHexInteger(buf, 2)) + .setMinute(ChannelBufferTools.readHexInteger(buf, 2)) + .setSecond(ChannelBufferTools.readHexInteger(buf, 2)); + position.setTime(dateBuilder.getDate()); + double latitude = convertCoordinate(ChannelBufferTools.readHexInteger(buf, 8)); double longitude = convertCoordinate(ChannelBufferTools.readHexInteger(buf, 9)); - // Flags byte flags = buf.readByte(); position.setValid((flags & 0x1) == 0x1); - if ((flags & 0x2) == 0) latitude = -latitude; + if ((flags & 0x2) == 0) { + latitude = -latitude; + } position.setLatitude(latitude); - if ((flags & 0x4) == 0) longitude = -longitude; + if ((flags & 0x4) == 0) { + longitude = -longitude; + } position.setLongitude(longitude); - // Speed position.setSpeed(ChannelBufferTools.readHexInteger(buf, 2)); - - // Course position.setCourse(buf.readUnsignedByte() * 2.0); if (version == 1) { position.set(Event.KEY_SATELLITES, buf.readUnsignedByte()); - - // Power position.set(Event.KEY_POWER, buf.readUnsignedByte()); buf.readByte(); // other flags and sensors - // Altitude position.setAltitude(buf.readUnsignedShort()); position.set(Event.KEY_CELL, buf.readUnsignedShort()); @@ -117,96 +109,72 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder { position.set(Event.KEY_FUEL, fuel); } + return position; } - private static final Pattern PATTERN = Pattern.compile( - "\\(" + - "([\\d]+)," + // Id - "W01," + // Type - "(\\d{3})(\\d{2}.\\d{4})," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d{2})(\\d{2}.\\d{4})," + // Latitude (DDMM.MMMM) - "([NS])," + - "([AV])," + // Validity - "(\\d{2})(\\d{2})(\\d{2})," + // Date (DDMMYY) - "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) - "(\\d+)," + // Speed (km/h) - "(\\d+)," + // Course - "(\\d+)," + // Power - "(\\d+)," + // GPS signal - "(\\d+)," + // GSM signal - "(\\d+)," + // Alert Type - ".*\\)"); + private static final Pattern PATTERN = new PatternBuilder() + .text("(") + .number("(d+),") // id + .text("W01,") // type + .number("(ddd)(dd.dddd),") // longitude + .expression("([EW]),") + .number("(dd)(dd.dddd),") // latitude + .expression("([NS]),") + .expression("([AV]),") // validity + .number("(dd)(dd)(dd),") // date (ddmmyy) + .number("(dd)(dd)(dd),") // time + .number("(d+),") // speed + .number("(d+),") // course + .number("(d+),") // power + .number("(d+),") // gps signal + .number("(d+),") // gsm signal + .number("(d+),") // alert type + .any() + .text(")") + .compile(); private Position decodeAlertMessage(ChannelBuffer buf, Channel channel) { - String message = buf.toString(Charset.defaultCharset()); - - // Parse message - Matcher parser = PATTERN.matcher(message); + Parser parser = new Parser(PATTERN, buf.toString(Charset.defaultCharset())); if (!parser.matches()) { return null; } - // Create new position Position position = new Position(); position.setProtocol(getProtocolName()); + position.set(Event.KEY_ALARM, true); - Integer index = 1; - // Get device by identifier - if (!identify(parser.group(index++), channel)) { + if (!identify(parser.next(), channel)) { return null; } position.setDeviceId(getDeviceId()); - // 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); - - // 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); - - // Validity - position.setValid(parser.group(index++).compareTo("A") == 0); + position.setLongitude(parser.nextCoordinate()); + position.setLatitude(parser.nextCoordinate()); + position.setValid(parser.next().equals("A")); - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - 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++))); - 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()); + DateBuilder dateBuilder = new DateBuilder() + .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()) + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); - // Speed - position.setSpeed(Double.parseDouble(parser.group(index++))); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); + position.setCourse(parser.nextDouble()); - // Course - position.setCourse(Double.parseDouble(parser.group(index++))); + position.set(Event.KEY_POWER, parser.nextDouble()); - // Power - position.set(Event.KEY_POWER, Double.parseDouble(parser.group(index++))); return position; } @Override protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) - throws Exception { + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { ChannelBuffer buf = (ChannelBuffer) msg; char first = (char) buf.getByte(0); - // Check message type if (first == '$') { return decodeNormalMessage(buf, channel); } else if (first == '(') { |