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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-03 11:22:24 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-03 11:22:24 +1300
commitc27a9280838a20a18df2fdabbf5de1db85cab39d (patch)
tree5d16289d99ab2c69885eeed40efe6b6d997b956a /src/org/traccar/protocol
parent1268417e9052e36b899bd3f024aa99c01644c3f4 (diff)
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Refactor Trackbox protocol decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/TrackboxProtocolDecoder.java133
1 files changed, 51 insertions, 82 deletions
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;
}
}