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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-03 23:26:48 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-03 23:26:48 +1300
commitd4685d72f8183dedfccbca9756a00948ad8d6aa8 (patch)
tree1df91e0b06c9232e45fd0a417c622c57fdc7454e /src/org/traccar/protocol/GpsGateProtocolDecoder.java
parentc97958c10d9a1b9973d6278527c943f29c5a80a8 (diff)
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Refactor GpsGate protocol decoder
Diffstat (limited to 'src/org/traccar/protocol/GpsGateProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/GpsGateProtocolDecoder.java85
1 files changed, 27 insertions, 58 deletions
diff --git a/src/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
index 5e97a66f8..c4b1316d5 100644
--- a/src/org/traccar/protocol/GpsGateProtocolDecoder.java
+++ b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2013 - 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.
@@ -16,13 +16,13 @@
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.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
@@ -31,18 +31,19 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN = Pattern.compile(
- "\\$GPRMC," +
- "(\\d{2})(\\d{2})(\\d{2})\\.?(?:\\d+)?," + // Time (HHMMSS.SSS)
- "([AV])," + // Validity
- "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
- "([NS])," +
- "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
- "([EW])," +
- "(\\d+\\.\\d+)?," + // Speed
- "(\\d+\\.\\d+)?," + // Course
- "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
- ".+"); // Other (Checksumm)
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$GPRMC,")
+ .number("(dd)(dd)(dd).?(d+)?,") // Time (HHMMSS.SSS)
+ .expression("([AV]),") // Validity
+ .number("(dd)(dd.d+),") // Latitude (DDMM.MMMM)
+ .expression("([NS]),")
+ .number("(ddd)(dd.d+),") // Longitude (DDDMM.MMMM)
+ .expression("([EW]),")
+ .number("(d+.d+)?,") // Speed
+ .number("(d+.d+)?,") // Course
+ .number("(dd)(dd)(dd)") // Date (DDMMYY)
+ .any() // Other (Checksumm)
+ .compile();
private void send(Channel channel, String message) {
if (channel != null) {
@@ -87,58 +88,26 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
} else if (sentence.startsWith("$GPRMC,") && hasDeviceId()) {
- // 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());
position.setDeviceId(getDeviceId());
- 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++)));
-
- // 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());
return position;
}