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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-04 11:40:03 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-04 11:40:03 +1300
commit2bafdf66c05b9af276fa6b6f23497b580de83259 (patch)
tree3dde95256351e29c9d8230e1bd1a6be2012d2fa6 /src/org/traccar
parentf6b82ecf6187fffd2a7a842ffcdbe635dfa80730 (diff)
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Refactor PT502 protocol decoder
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/protocol/Pt502ProtocolDecoder.java143
1 files changed, 49 insertions, 94 deletions
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;
}
+
}