--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/io/BufferDateCache.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,61 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.io;
+
+import java.text.DateFormatSymbols;
+import java.util.Locale;
+
+import org.eclipse.jetty.util.DateCache;
+
+public class BufferDateCache extends DateCache
+{
+    Buffer _buffer;
+    String _last;
+    
+    public BufferDateCache()
+    {
+        super();
+    }
+
+    public BufferDateCache(String format, DateFormatSymbols s)
+    {
+        super(format,s);
+    }
+
+    public BufferDateCache(String format, Locale l)
+    {
+        super(format,l);
+    }
+
+    public BufferDateCache(String format)
+    {
+        super(format);
+    }
+
+    public synchronized Buffer formatBuffer(long date)
+    {
+        String d = super.format(date);
+        if (d==_last)
+            return _buffer;
+        _last=d;
+        _buffer=new ByteArrayBuffer(d);
+        
+        return _buffer;
+    }
+}