From a353cbf806f21767f6a173255141dd7db8314fe8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 10 Mar 2013 13:12:14 +1300
Subject: Fix TLT-2H protocol (fix #162)

---
 src/org/traccar/protocol/Tlt2hProtocolDecoder.java | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/org/traccar')

diff --git a/src/org/traccar/protocol/Tlt2hProtocolDecoder.java b/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
index 531ae28b6..66146b6fb 100644
--- a/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
+++ b/src/org/traccar/protocol/Tlt2hProtocolDecoder.java
@@ -38,7 +38,7 @@ public class Tlt2hProtocolDecoder extends BaseProtocolDecoder {
      * Regular expressions pattern
      */
     static private Pattern pattern = Pattern.compile(
-            "#([0-9a-f]+)" +               // Cell info
+            "#([0-9a-f]+)?" +              // Cell info
             "\\$GPRMC," +
             "(\\d{2})(\\d{2})(\\d{2})\\.(\\d+)," + // Time (HHMMSS.SSS)
             "([AV])," +                    // Validity
@@ -81,9 +81,10 @@ public class Tlt2hProtocolDecoder extends BaseProtocolDecoder {
                 Integer index = 1;
                 
                 // Cell
-                extendedInfo.append("<cell>");
-                extendedInfo.append(parser.group(index++));
-                extendedInfo.append("</cell>");
+                String cell = parser.group(index++);
+                if (cell != null) {
+                    extendedInfo.append("<cell>").append(cell).append("</cell>");
+                }
 
                 // Time
                 Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
-- 
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