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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-30 15:00:41 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-30 15:00:41 +1300
commitb14974fec3c529e4cc29db6f86372efddc87b959 (patch)
treedac9905cf262ce77e8d8a3247f69a9084dd289ae /src
parenta045472079bb83bb318605d65bac45bb575b29c3 (diff)
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Refactor Wialon protocol decoder
Diffstat (limited to 'src')
-rw-r--r--src/org/traccar/protocol/WialonProtocolDecoder.java138
1 files changed, 47 insertions, 91 deletions
diff --git a/src/org/traccar/protocol/WialonProtocolDecoder.java b/src/org/traccar/protocol/WialonProtocolDecoder.java
index 47158808c..e55702441 100644
--- a/src/org/traccar/protocol/WialonProtocolDecoder.java
+++ b/src/org/traccar/protocol/WialonProtocolDecoder.java
@@ -16,15 +16,15 @@
package org.traccar.protocol;
import java.net.SocketAddress;
-import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
-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.UnitsConverter;
+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;
@@ -34,25 +34,26 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN = Pattern.compile(
- "(\\d{2})(\\d{2})(\\d{2});" + // Date (DDMMYY)
- "(\\d{2})(\\d{2})(\\d{2});" + // Time (HHMMSS)
- "(\\d{2})(\\d{2}\\.\\d+);" + // Latitude (DDMM.MMMM)
- "([NS]);" +
- "(\\d{3})(\\d{2}\\.\\d+);" + // Longitude (DDDMM.MMMM)
- "([EW]);" +
- "(\\d+\\.?\\d*)?;" + // Speed
- "(\\d+\\.?\\d*)?;" + // Course
- "(?:NA|(\\d+\\.?\\d*));" + // Altitude
- "(?:NA|(\\d+))" + // Satellites
- "(?:;" +
- "(?:NA|(\\d+\\.?\\d*));" + // hdop
- "(?:NA|(\\d+));" + // inputs
- "(?:NA|(\\d+));" + // outputs
- "(?:NA|([^;]*));" + // adc
- "(?:NA|([^;]*));" + // ibutton
- "(?:NA|(.*))" + // params
- ")?");
+ private static final Pattern PATTERN = new PatternBuilder()
+ .number("(dd)(dd)(dd);") // date (ddmmyy)
+ .number("(dd)(dd)(dd);") // time
+ .number("(dd)(dd.d+);") // latitude
+ .expression("([NS]);")
+ .number("(ddd)(dd.d+);") // longitude
+ .expression("([EW]);")
+ .number("(d+.?d*)?;") // speed
+ .number("(d+.?d*)?;") // course
+ .number("(?:NA|(d+.?d*));") // altitude
+ .number("(?:NA|(d+))") // satellites
+ .groupBegin().text(";")
+ .number("(?:NA|(d+.?d*));") // hdop
+ .number("(?:NA|(d+));") // inputs
+ .number("(?:NA|(d+));") // outputs
+ .expression("(?:NA|([^;]*));") // adc
+ .expression("(?:NA|([^;]*));") // ibutton
+ .expression("(?:NA|(.*))") // params
+ .groupEnd("?")
+ .compile();
private void sendResponse(Channel channel, String prefix, Integer number) {
if (channel != null) {
@@ -67,90 +68,47 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
private Position decodePosition(String substring) {
- // Parse message
- Matcher parser = PATTERN.matcher(substring);
+ Parser parser = new Parser(PATTERN, substring);
if (!hasDeviceId() || !parser.matches()) {
return null;
}
- // Create new position
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(getDeviceId());
- Integer index = 1;
-
- // Date and 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());
-
- // 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(UnitsConverter.knotsFromKph(Double.parseDouble(speed)));
- }
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
- // Course
- String course = parser.group(index++);
- if (course != null) {
- position.setCourse(Double.parseDouble(course));
- }
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble());
+ position.setCourse(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
- // Altitude
- String altitude = parser.group(index++);
- if (altitude != null) {
- position.setAltitude(Double.parseDouble(altitude));
- }
-
- // Satellites
- String satellites = parser.group(index++);
- if (satellites != null) {
- position.setValid(Integer.parseInt(satellites) >= 3);
+ if (parser.hasNext()) {
+ int satellites = parser.nextInt();
+ position.setValid(satellites >= 3);
position.set(Event.KEY_SATELLITES, satellites);
- } else {
- position.setValid(false);
}
- // Other
- position.set(Event.KEY_HDOP, parser.group(index++));
- position.set(Event.KEY_INPUT, parser.group(index++));
- position.set(Event.KEY_OUTPUT, parser.group(index++));
+ position.set(Event.KEY_HDOP, parser.next());
+ 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), values[i]);
}
}
- // iButton
- position.set(Event.KEY_RFID, parser.group(index++));
+ position.set(Event.KEY_RFID, parser.next());
- // Params
- String params = parser.group(index);
- if (params != null) {
- String[] values = params.split(",");
+ if (parser.hasNext()) {
+ String[] values = parser.next().split(",");
for (String param : values) {
Matcher paramParser = Pattern.compile("(.*):[1-3]:(.*)").matcher(param);
if (paramParser.matches()) {
@@ -164,14 +122,12 @@ public class WialonProtocolDecoder 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("#L#")) {
- // Detect device ID
String imei = sentence.substring(3, sentence.indexOf(';'));
if (identify(imei, channel)) {
sendResponse(channel, "#AL#", 1);
@@ -179,8 +135,7 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
} else if (sentence.startsWith("#P#")) {
- // Heartbeat
- sendResponse(channel, "#AP#", null);
+ sendResponse(channel, "#AP#", null); // heartbeat
} else if (sentence.startsWith("#SD#") || sentence.startsWith("#D#")) {
@@ -208,6 +163,7 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
if (!positions.isEmpty()) {
return positions;
}
+
}
return null;