1 files changed, 2 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/WondexProtocolDecoder.java b/src/org/traccar/protocol/WondexProtocolDecoder.java
index dbd15c3d0..c2a5a2201 100644
--- a/src/org/traccar/protocol/WondexProtocolDecoder.java
+++ b/src/org/traccar/protocol/WondexProtocolDecoder.java
@@ -20,9 +20,7 @@ import java.util.Calendar;
 import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-
 import org.jboss.netty.channel.Channel;
-
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
@@ -34,7 +32,7 @@ public class WondexProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final Pattern pattern = Pattern.compile(
+    private static final Pattern PATTERN = Pattern.compile(
             "[^\\d]*" +                    // Header
             "(\\d+)," +                    // Device Identifier
             "(\\d{4})(\\d{2})(\\d{2})" +   // Date (YYYYMMDD)
@@ -59,7 +57,7 @@ public class WondexProtocolDecoder extends BaseProtocolDecoder {
             throws Exception {
 
         // Parse message
-        Matcher parser = pattern.matcher((String) msg);
+        Matcher parser = PATTERN.matcher((String) msg);
         if (!parser.matches()) {
             return null;
         }