From 9164f1fbdf12ba2ed65839eb83a794fcc602edf8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 2 Dec 2014 21:34:18 +1300
Subject: Handle empty speed and course

---
 src/org/traccar/protocol/WialonProtocolDecoder.java | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'src/org/traccar')

diff --git a/src/org/traccar/protocol/WialonProtocolDecoder.java b/src/org/traccar/protocol/WialonProtocolDecoder.java
index 65cc17bcd..5b8d9a24e 100644
--- a/src/org/traccar/protocol/WialonProtocolDecoder.java
+++ b/src/org/traccar/protocol/WialonProtocolDecoder.java
@@ -47,8 +47,8 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
             "([NS]);" +
             "(\\d{3})(\\d{2}\\.\\d+);" +   // Longitude (DDDMM.MMMM)
             "([EW]);" +
-            "(\\d+\\.?\\d*);" +            // Speed
-            "(\\d+\\.?\\d*);" +            // Course
+            "(\\d+\\.?\\d*)?;" +           // Speed
+            "(\\d+\\.?\\d*)?;" +           // Course
             "(?:(\\d+\\.?\\d*)|NA);" +     // Altitude
             "(?:(\\d+)|NA)" +              // Satellites
             ".*");                         // Full format
@@ -103,10 +103,20 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
         position.setLongitude(longitude);
 
         // Speed
-        position.setSpeed(Double.valueOf(parser.group(index++)) * 0.539957);
+        String speed = parser.group(index++);
+        if (speed != null) {
+            position.setSpeed(Double.valueOf(speed) * 0.539957);
+        } else {
+            position.setSpeed(0.0);
+        }
 
         // Course
-        position.setCourse(Double.valueOf(parser.group(index++)));
+        String course = parser.group(index++);
+        if (course != null) {
+            position.setCourse(Double.valueOf(course));
+        } else {
+            position.setCourse(0.0);
+        }
 
         // Altitude
         String altitude = parser.group(index++);
-- 
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