From 9d1f42ab116aab02e62e553485a7c4fdc9e12168 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 3 Mar 2015 10:06:31 +1300
Subject: Allow to force GT06 timezone

---
 src/org/traccar/protocol/Gt06ProtocolDecoder.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 12187e1ed..1d81bb351 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -33,6 +33,7 @@ import java.util.TimeZone;
 public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
 
     private Long deviceId;
+    private boolean forceTimeZone = false;
     private final TimeZone timeZone = TimeZone.getTimeZone("UTC");
 
     public Gt06ProtocolDecoder(DataManager dataManager, String protocol, Properties properties) {
@@ -40,6 +41,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
         
         if (properties != null) {
             if (properties.containsKey(protocol + ".timezone")) {
+                forceTimeZone = true;
                 timeZone.setRawOffset(
                         Integer.valueOf(properties.getProperty(protocol + ".timezone")) * 1000);
             }
@@ -120,7 +122,9 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 if ((extensionBits & 0x8) != 0) {
                     offset = -offset;
                 }
-                timeZone.setRawOffset(offset);
+                if (!forceTimeZone) {
+                    timeZone.setRawOffset(offset);
+                }
             }
             
             try {
-- 
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