1 files changed, 8 insertions, 8 deletions
diff --git a/src/org/traccar/protocol/T57FrameDecoder.java b/src/org/traccar/protocol/T57FrameDecoder.java
index b3b456516..14ba31453 100644
--- a/src/org/traccar/protocol/T57FrameDecoder.java
+++ b/src/org/traccar/protocol/T57FrameDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,18 +15,18 @@
  */
 package org.traccar.protocol;
 
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
 
 import java.nio.charset.StandardCharsets;
 
-public class T57FrameDecoder extends FrameDecoder {
+public class T57FrameDecoder extends BaseFrameDecoder {
 
     @Override
     protected Object decode(
-            ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
 
         if (buf.readableBytes() < 10) {
             return null;
@@ -43,7 +43,7 @@ public class T57FrameDecoder extends FrameDecoder {
             }
         }
 
-        return index > 0 ? buf.readBytes(index + 1 - buf.readerIndex()) : null;
+        return index > 0 ? buf.readRetainedSlice(index + 1 - buf.readerIndex()) : null;
     }
 
 }