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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-26 11:58:08 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-26 11:58:08 +1300
commit7ee16ab6fe928171ded0e188811a631743285a58 (patch)
tree3679b75ebc1f8f13e7914d9c114bff058418e6e8 /src/org/traccar/protocol
parent64aa76a78916310cfbc14ec3ae6083555b95a4a0 (diff)
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Refactor Riti protocol decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/EnforaProtocolDecoder.java5
-rw-r--r--src/org/traccar/protocol/RitiProtocolDecoder.java94
2 files changed, 35 insertions, 64 deletions
diff --git a/src/org/traccar/protocol/EnforaProtocolDecoder.java b/src/org/traccar/protocol/EnforaProtocolDecoder.java
index 0c0b5afe9..18f68a32d 100644
--- a/src/org/traccar/protocol/EnforaProtocolDecoder.java
+++ b/src/org/traccar/protocol/EnforaProtocolDecoder.java
@@ -26,6 +26,7 @@ import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.helper.ChannelBufferTools;
import org.traccar.helper.Log;
+import org.traccar.helper.StringFinder;
import org.traccar.model.Position;
public class EnforaProtocolDecoder extends BaseProtocolDecoder {
@@ -77,8 +78,8 @@ public class EnforaProtocolDecoder extends BaseProtocolDecoder {
}
// Find GPSMC string
- Integer start = ChannelBufferTools.find(buf, 0, buf.readableBytes(), "GPRMC");
- if (start == null) {
+ int start = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("GPRMC"));
+ if (start == -1) {
// Message does not contain GPS data
return null;
}
diff --git a/src/org/traccar/protocol/RitiProtocolDecoder.java b/src/org/traccar/protocol/RitiProtocolDecoder.java
index bb7c0b583..7e86dd535 100644
--- a/src/org/traccar/protocol/RitiProtocolDecoder.java
+++ b/src/org/traccar/protocol/RitiProtocolDecoder.java
@@ -24,7 +24,9 @@ import java.util.regex.Pattern;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
-import org.traccar.helper.ChannelBufferTools;
+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;
@@ -34,33 +36,31 @@ public class RitiProtocolDecoder 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)
- ".+");
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$GPRMC,")
+ .number("(dd)(dd)(dd).?d*,") // time
+ .expression("([AV]),") // validity
+ .number("(dd)(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(ddd)(dd.d+),") // longitude
+ .expression("([EW]),")
+ .number("(d+.?d*)?,") // speed
+ .number("(d+.?d*)?,") // course
+ .number("(dd)(dd)(dd)") // date (ddmmyy)
+ .any()
+ .compile();
@Override
protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg)
- throws Exception {
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
ChannelBuffer buf = (ChannelBuffer) msg;
- // Create new position
+ buf.skipBytes(2); // header
+
Position position = new Position();
position.setProtocol(getProtocolName());
- buf.skipBytes(2); // header
-
- // Get device id
if (!identify(String.valueOf(buf.readUnsignedShort()), channel)) {
return null;
}
@@ -78,55 +78,25 @@ public class RitiProtocolDecoder extends BaseProtocolDecoder {
position.set(Event.KEY_ODOMETER, buf.readUnsignedInt());
// Parse GPRMC
- Integer end = ChannelBufferTools.find(buf, buf.readerIndex(), buf.readerIndex() + 80, "*");
- String gprmc = buf.toString(
- buf.readerIndex(), end - buf.readerIndex(), Charset.defaultCharset());
- Matcher parser = PATTERN.matcher(gprmc);
+ int end = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '*');
+ String gprmc = buf.toString(buf.readerIndex(), end - buf.readerIndex(), Charset.defaultCharset());
+ Parser parser = new Parser(PATTERN, gprmc);
if (!parser.matches()) {
return null;
}
- 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());
- // 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());
+
+ dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
- // 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());
return position;
}