From a9fbc36ba173573aabd581e7a14f32ce0af69cb6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 24 Jul 2013 19:00:01 +1200
Subject: Improve Xexun2 decoder

---
 src/org/traccar/protocol/Xexun2ProtocolDecoder.java | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

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

diff --git a/src/org/traccar/protocol/Xexun2ProtocolDecoder.java b/src/org/traccar/protocol/Xexun2ProtocolDecoder.java
index 900315d20..098647499 100644
--- a/src/org/traccar/protocol/Xexun2ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Xexun2ProtocolDecoder.java
@@ -38,22 +38,22 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder {
             "(\\d+)," +                         // Serial
             "(\\+?\\d+)," +                     // Number
             "GPRMC," +
-            "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," + // Time (HHMMSS.SSS)
+            "(\\d{2})(\\d{2})(\\d{2})\\.(\\d+)," + // Time (HHMMSS.SSS)
             "([AV])," +                         // Validity
-            "(\\d{2})(\\d{2}\\.\\d{4})," +      // Latitude (DDMM.MMMM)
+            "(\\d{2})(\\d{2}\\.\\d+)," +        // Latitude (DDMM.MMMM)
             "([NS])," +
-            "(\\d{3})(\\d{2}\\.\\d{4})," +      // Longitude (DDDMM.MMMM)
+            "(\\d{3})(\\d{2}\\.\\d+)," +        // Longitude (DDDMM.MMMM)
             "([EW])," +
             "(\\d+\\.\\d+)," +                  // Speed
             "(\\d+\\.\\d+)?," +                 // Course
             "(\\d{2})(\\d{2})(\\d{2})," +       // Date (DDMMYY)
-            ",,.\\*..," +                       // Checksum
+            "[^,]*,[^,]*,.\\*..," +             // Checksum
             "([FL])," +                         // Signal
-            "(.*)," +                           // Alarm
+            "(?:([^,]*),)?" +                   // Alarm
             ".*imei:" +
             "(\\d+)," +                         // IMEI
             "(\\d+)," +                         // Satellites
-            "(-?\\d+\\.\\d+)," +                // Altitude
+            "(-?\\d+\\.\\d+)?," +               // Altitude
             "[FL]:(\\d+\\.\\d+)V," +            // Power
             ".*" +
             "[\r\n]*");
@@ -141,7 +141,12 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder {
         extendedInfo.set("satellites", parser.group(index++).replaceFirst ("^0*(?![\\.$])", ""));
 
         // Altitude
-        position.setAltitude(Double.valueOf(parser.group(index++)));
+        String altitude = parser.group(index++);
+        if (altitude != null) {
+            position.setAltitude(Double.valueOf(altitude));
+        } else {
+            position.setAltitude(0.0);
+        }
 
         // Power
         position.setPower(Double.valueOf(parser.group(index++)));
-- 
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