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-rw-r--r--src/org/traccar/protocol/Gt06ProtocolDecoder.java19
1 files changed, 17 insertions, 2 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 351098626..6951b969f 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2013 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ import org.traccar.model.Position;
public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
private Long deviceId;
+ private final TimeZone timeZone = TimeZone.getTimeZone("UTC");
public Gt06ProtocolDecoder(ServerManager serverManager) {
super(serverManager);
@@ -88,7 +89,20 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
int type = buf.readUnsignedByte();
if (type == MSG_LOGIN) {
+
String imei = readImei(buf);
+ buf.readUnsignedShort(); // type
+
+ // Timezone offset
+ if (dataLength > 10) {
+ int extensionBits = buf.readUnsignedShort();
+ int offset = (extensionBits >> 4) * 36000;
+ if ((extensionBits & 0x8) != 0) {
+ offset = -offset;
+ }
+ timeZone.setRawOffset(offset);
+ }
+
try {
deviceId = getDataManager().getDeviceByImei(imei).getId();
buf.skipBytes(dataLength - 8);
@@ -96,6 +110,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
} catch(Exception error) {
Log.warning("Unknown device - " + imei);
}
+
}
else if (type == MSG_GPS ||
@@ -109,7 +124,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("gt06");
// Date and time
- Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ Calendar time = Calendar.getInstance(timeZone);
time.clear();
time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte());
time.set(Calendar.MONTH, buf.readUnsignedByte() - 1);