Support JT705A additional data

1 files changed, 3 insertions, 9 deletions

diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
index 1b6d471b4..eca7e2d11 100644
--- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -105,15 +105,9 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
         double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
 
         byte flags = buf.readByte();
-        position.setValid((flags & 0x1) == 0x1);
-        if ((flags & 0x2) == 0) {
-            latitude = -latitude;
-        }
-        position.setLatitude(latitude);
-        if ((flags & 0x4) == 0) {
-            longitude = -longitude;
-        }
-        position.setLongitude(longitude);
+        position.setValid(BitUtil.check(flags, 0));
+        position.setLatitude(BitUtil.check(flags, 1) ? latitude : -latitude);
+        position.setLongitude(BitUtil.check(flags, 2) ? longitude : -longitude);
 
         position.setSpeed(BcdUtil.readInteger(buf, 2));
         position.setCourse(buf.readUnsignedByte() * 2.0);