From 2c399889e9b61c8e3580c046a70b556e1ab628e3 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 25 Nov 2015 09:49:54 +1300
Subject: Improve H02 protocol decoder regex

---
 src/org/traccar/protocol/H02ProtocolDecoder.java | 31 +++++++++++++++++++++---
 1 file changed, 27 insertions(+), 4 deletions(-)

(limited to 'src/org/traccar/protocol')

diff --git a/src/org/traccar/protocol/H02ProtocolDecoder.java b/src/org/traccar/protocol/H02ProtocolDecoder.java
index d245fbdc8..ff3ee169e 100644
--- a/src/org/traccar/protocol/H02ProtocolDecoder.java
+++ b/src/org/traccar/protocol/H02ProtocolDecoder.java
@@ -27,6 +27,7 @@ import org.traccar.helper.ChannelBufferTools;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.PatternUtil;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
 
@@ -122,9 +123,17 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .number("(dd)(dd)(dd),")             // time
             .expression("([AV])?,")              // validity
-            .number("-?(d+)-?(dd.d+),")          // latitude
+            .groupBegin()
+            .number("(d+)(dd.d+),")              // latitude
+            .or()
+            .number("-(d+)-(d+.d+),")            // latitude
+            .groupEnd()
             .expression("([NS]),")
-            .number("-?(d+)-?(dd.d+),")          // longitude
+            .groupBegin()
+            .number("(d+)(dd.d+),")              // longitude
+            .or()
+            .number("-(d+)-(d+.d+),")            // longitude
+            .groupEnd()
             .expression("([EW]),")
             .number("(d+.?d*),")                 // speed
             .number("(d+.?d*)?,")                // course
@@ -135,6 +144,8 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
 
     private Position decodeText(String sentence, Channel channel) {
 
+        String x = PatternUtil.checkPattern(PATTERN.pattern(), sentence);
+
         Parser parser = new Parser(PATTERN, sentence);
         if (!parser.matches()) {
             return null;
@@ -155,8 +166,20 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
             position.setValid(parser.next().equals("A"));
         }
 
-        position.setLatitude(parser.nextCoordinate());
-        position.setLongitude(parser.nextCoordinate());
+        if (parser.hasNext(2)) {
+            position.setLatitude(parser.nextCoordinate());
+        }
+        if (parser.hasNext(2)) {
+            position.setLatitude(parser.nextCoordinate());
+        }
+
+        if (parser.hasNext(2)) {
+            position.setLongitude(parser.nextCoordinate());
+        }
+        if (parser.hasNext(2)) {
+            position.setLongitude(parser.nextCoordinate());
+        }
+
         position.setSpeed(parser.nextDouble());
         position.setCourse(parser.nextDouble());
 
-- 
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