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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-06 10:12:44 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-06 10:12:44 +1300
commit04a40e1cfb9484f3ab25a3390249355bc3e711ae (patch)
tree9284877fcfec2303f6ccdd059542d4f539403aad /src/org/traccar/protocol
parent8d178a2e33b18b2b236a305b03663c6777679c3b (diff)
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Refactor GL100 protocol decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/Gl100ProtocolDecoder.java93
1 files changed, 41 insertions, 52 deletions
diff --git a/src/org/traccar/protocol/Gl100ProtocolDecoder.java b/src/org/traccar/protocol/Gl100ProtocolDecoder.java
index db22fdb34..2995230ee 100644
--- a/src/org/traccar/protocol/Gl100ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl100ProtocolDecoder.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.
@@ -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.Position;
public class Gl100ProtocolDecoder extends BaseProtocolDecoder {
@@ -30,77 +30,66 @@ public class Gl100ProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN = Pattern.compile(
- "\\+RESP:GT...," +
- "(\\d{15})," + // IMEI
- "(?:(?:\\d+," + // Number
- "\\d," + // Reserved / Geofence id
- "\\d)|" + // Reserved / Geofence alert
- "(?:[^,]*))," + // Calling number
- "([01])," + // GPS fix
- "(\\d+.\\d)," + // Speed
- "(\\d+)," + // Course
- "(-?\\d+.\\d)," + // Altitude
- "\\d*," + // GPS accuracy
- "(-?\\d+.\\d+)," + // Longitude
- "(-?\\d+.\\d+)," + // Latitude
- "(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD)
- "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
- ".*");
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("+RESP:")
+ .expression("GT...,")
+ .number("(d{15}),") // imei
+ .groupBegin()
+ .number("d+,") // number
+ .number("d,") // reserved / geofence id
+ .number("d") // reserved / geofence alert
+ .or()
+ .number("[^,]*") // calling number
+ .groupEnd(",")
+ .expression("([01]),") // gps fix
+ .number("(d+.d),") // speed
+ .number("(d+),") // course
+ .number("(-?d+.d),") // altitude
+ .number("d*,") // gps accuracy
+ .number("(-?d+.d+),") // longitude
+ .number("(-?d+.d+),") // latitude
+ .number("(dddd)(dd)(dd)") // date
+ .number("(dd)(dd)(dd),") // time
+ .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;
- // Send response
if (sentence.contains("AT+GTHBD=") && channel != null) {
String response = "+RESP:GTHBD,GPRS ACTIVE,";
response += sentence.substring(9, sentence.lastIndexOf(','));
response += '\0';
- channel.write(response);
+ channel.write(response); // heartbeat response
}
- // Parse message
- Matcher parser = PATTERN.matcher(sentence);
+ Parser parser = new Parser(PATTERN, sentence);
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());
- // Validity
- position.setValid(Integer.parseInt(parser.group(index++)) == 0);
-
- // Position info
- position.setSpeed(Double.parseDouble(parser.group(index++)));
- position.setCourse(Double.parseDouble(parser.group(index++)));
- position.setAltitude(Double.parseDouble(parser.group(index++)));
- position.setLongitude(Double.parseDouble(parser.group(index++)));
- position.setLatitude(Double.parseDouble(parser.group(index++)));
-
- // 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());
+ position.setValid(parser.nextInt() == 0);
+ position.setSpeed(parser.nextDouble());
+ position.setCourse(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
+ position.setLongitude(parser.nextDouble());
+ position.setLatitude(parser.nextDouble());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
return position;
}