2 files changed, 1 insertions, 21 deletions
diff --git a/src/org/traccar/helper/ChannelBufferTools.java b/src/org/traccar/helper/ChannelBufferTools.java
index 6c61287c9..db628a76b 100644
--- a/src/org/traccar/helper/ChannelBufferTools.java
+++ b/src/org/traccar/helper/ChannelBufferTools.java
@@ -50,26 +50,6 @@ public final class ChannelBufferTools {
     }
 
     /**
-     * Return hex string
-     */
-    public static String readHexString(ChannelBuffer buf, int length) {
-
-        StringBuilder result = new StringBuilder();
-        Formatter formatter = new Formatter(result);
-
-        for (int i = 0; i < length / 2; i++) {
-            formatter.format("%02x", buf.readByte());
-        }
-
-        if (length % 2 != 0) {
-            int b = buf.getUnsignedByte(buf.readerIndex());
-            formatter.format("%01x", b >>> 4);
-        }
-
-        return result.toString();
-    }
-
-    /**
      * Read BCD coded coordinate (first byte has sign bit)
      */
     public static double readCoordinate(ChannelBuffer buf) {
diff --git a/src/org/traccar/protocol/TzoneProtocolDecoder.java b/src/org/traccar/protocol/TzoneProtocolDecoder.java
index 6805708b9..8f33831df 100644
--- a/src/org/traccar/protocol/TzoneProtocolDecoder.java
+++ b/src/org/traccar/protocol/TzoneProtocolDecoder.java
@@ -150,7 +150,7 @@ public class TzoneProtocolDecoder extends BaseProtocolDecoder {
                         length += 1;
                     }
 
-                    String num = ChannelBufferTools.readHexString(buf, length);
+                    String num = ChannelBuffers.hexDump(buf.readBytes(length / 2));
 
                     if (odd) {
                         num = num.substring(1);