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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-28 15:35:55 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-28 15:35:55 +1300
commit1b31eda6bfa623dd866de5139b001caca8d69e54 (patch)
tree9ef25214df2eae4a7e97eefe864a37980016c029 /src
parente60132dc040d2af3a5ad4f7ea8ee2e5fab7675ee (diff)
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Refactor YWT protocol decoder
Diffstat (limited to 'src')
-rw-r--r--src/org/traccar/protocol/YwtProtocolDecoder.java106
1 files changed, 38 insertions, 68 deletions
diff --git a/src/org/traccar/protocol/YwtProtocolDecoder.java b/src/org/traccar/protocol/YwtProtocolDecoder.java
index 0801f45fe..574c5b877 100644
--- a/src/org/traccar/protocol/YwtProtocolDecoder.java
+++ b/src/org/traccar/protocol/YwtProtocolDecoder.java
@@ -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;
@@ -31,28 +31,28 @@ public class YwtProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN = Pattern.compile(
- "%(..)," + // Type
- "(\\d+):" + // Unit identifier
- "\\d+," + // Subtype
- "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
- "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
- "([EW])" +
- "(\\d{3}\\.\\d{6})," + // Longitude (DDDMM.MMMM)
- "([NS])" +
- "(\\d{2}\\.\\d{6})," + // Latitude (DDMM.MMMM)
- "(\\d+)?," + // Altitude
- "(\\d+)," + // Speed
- "(\\d+)," + // Course
- "(\\d+)," + // Satellite
- "([^,]+)," + // Report identifier
- "([0-9a-fA-F\\-]+)" + // Status
- ".*");
+ private static final Pattern PATTERN = new PatternBuilder()
+ .expression("%(..),") // type
+ .number("(d+):") // unit identifier
+ .number("d+,") // subtype
+ .number("(dd)(dd)(dd)") // date (yymmdd)
+ .number("(dd)(dd)(dd),") // time
+ .expression("([EW])")
+ .number("(ddd.d{6}),") // longitude
+ .expression("([NS])")
+ .number("(dd.d{6}),") // latitude
+ .number("(d+)?,") // altitude
+ .number("(d+),") // speed
+ .number("(d+),") // course
+ .number("(d+),") // satellite
+ .expression("([^,]+),") // report identifier
+ .expression("([-0-9a-fA-F]+)") // status
+ .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;
@@ -71,69 +71,39 @@ public class YwtProtocolDecoder extends BaseProtocolDecoder {
return null;
}
- // 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;
- String type = parser.group(index++);
- // Device
- if (!identify(parser.group(index++), channel)) {
+ String type = parser.next();
+
+ if (!identify(parser.next(), channel)) {
return null;
}
position.setDeviceId(getDeviceId());
- // Time
- Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
- time.clear();
- time.set(Calendar.YEAR, 2000 + 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());
-
- // Longitude
- String hemisphere = parser.group(index++);
- Double longitude = Double.parseDouble(parser.group(index++));
- if (hemisphere.compareTo("W") == 0) longitude = -longitude;
- position.setLongitude(longitude);
-
- // Latitude
- hemisphere = parser.group(index++);
- Double latitude = Double.parseDouble(parser.group(index++));
- if (hemisphere.compareTo("S") == 0) latitude = -latitude;
- position.setLatitude(latitude);
-
- // Altitude
- String altitude = parser.group(index++);
- if (altitude != null) {
- position.setAltitude(Double.parseDouble(altitude));
- }
-
- // Speed
- position.setSpeed(Double.parseDouble(parser.group(index++)));
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
- // Course
- position.setCourse(Double.parseDouble(parser.group(index++)));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setAltitude(parser.nextDouble());
+ position.setSpeed(parser.nextDouble());
+ position.setCourse(parser.nextDouble());
- // Satellites
- int satellites = Integer.parseInt(parser.group(index++));
+ int satellites = parser.nextInt();
position.setValid(satellites >= 3);
position.set(Event.KEY_SATELLITES, satellites);
- // Report identifier
- String reportId = parser.group(index++);
+ String reportId = parser.next();
- // Status
- position.set(Event.KEY_STATUS, parser.group(index++));
+ position.set(Event.KEY_STATUS, parser.next());
// Send response
if ((type.equals("KP") || type.equals("EP")) && channel != null) {