1 files changed, 2 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/YwtProtocolDecoder.java b/src/org/traccar/protocol/YwtProtocolDecoder.java
index 9b3d2eb86..be76d1d86 100644
--- a/src/org/traccar/protocol/YwtProtocolDecoder.java
+++ b/src/org/traccar/protocol/YwtProtocolDecoder.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.model.Event;
 import org.traccar.model.Position;
@@ -33,7 +31,7 @@ public class YwtProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final Pattern pattern = Pattern.compile(
+    private static final Pattern PATTERN = Pattern.compile(
             "%(..)," +                     // Type
             "(\\d+):" +                    // Unit identifier
             "\\d+," +                      // Subtype
@@ -74,7 +72,7 @@ public class YwtProtocolDecoder extends BaseProtocolDecoder {
         }
 
         // Parse message
-        Matcher parser = pattern.matcher(sentence);
+        Matcher parser = PATTERN.matcher(sentence);
         if (!parser.matches()) {
             return null;
         }