--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/util/AttributesMap.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,163 @@
+//
+//  ========================================================================
+//  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.util;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/* ------------------------------------------------------------ */
+/** AttributesMap.
+ * 
+ *
+ */
+public class AttributesMap implements Attributes
+{
+    protected final Map<String,Object> _map;
+
+    /* ------------------------------------------------------------ */
+    public AttributesMap()
+    {
+        _map=new HashMap<String,Object>();
+    }
+    
+    /* ------------------------------------------------------------ */
+    public AttributesMap(Map<String,Object> map)
+    {
+        _map=map;
+    }
+
+    /* ------------------------------------------------------------ */
+    public AttributesMap(AttributesMap map)
+    {
+        _map=new HashMap<String,Object>(map._map);
+    }
+    
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#removeAttribute(java.lang.String)
+     */
+    public void removeAttribute(String name)
+    {
+        _map.remove(name);
+    }
+
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#setAttribute(java.lang.String, java.lang.Object)
+     */
+    public void setAttribute(String name, Object attribute)
+    {
+        if (attribute==null)
+            _map.remove(name);
+        else
+            _map.put(name, attribute);
+    }
+
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#getAttribute(java.lang.String)
+     */
+    public Object getAttribute(String name)
+    {
+        return _map.get(name);
+    }
+
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#getAttributeNames()
+     */
+    public Enumeration<String> getAttributeNames()
+    {
+        return Collections.enumeration(_map.keySet());
+    }
+
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#getAttributeNames()
+     */
+    public Set<String> getAttributeNameSet()
+    {
+        return _map.keySet();
+    }
+    
+    /* ------------------------------------------------------------ */
+    public Set<Map.Entry<String, Object>> getAttributeEntrySet()
+    {
+        return _map.entrySet();
+    }
+    
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#getAttributeNames()
+     */
+    public static Enumeration<String> getAttributeNamesCopy(Attributes attrs)
+    {
+        if (attrs instanceof AttributesMap)
+            return Collections.enumeration(((AttributesMap)attrs)._map.keySet());
+        
+        List<String> names = new ArrayList<String>();
+        names.addAll(Collections.list(attrs.getAttributeNames()));
+        return Collections.enumeration(names);
+    }
+
+    /* ------------------------------------------------------------ */
+    /* 
+     * @see org.eclipse.jetty.util.Attributes#clear()
+     */
+    public void clearAttributes()
+    {
+        _map.clear();
+    }
+    
+    /* ------------------------------------------------------------ */
+    public int size()
+    {
+        return _map.size();
+    }
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public String toString()
+    {
+        return _map.toString();
+    }
+    
+    /* ------------------------------------------------------------ */
+    public Set<String> keySet()
+    {
+        return _map.keySet();
+    }
+    
+    /* ------------------------------------------------------------ */
+    public void addAll(Attributes attributes)
+    {
+        Enumeration<String> e = attributes.getAttributeNames();
+        while (e.hasMoreElements())
+        {
+            String name=e.nextElement();
+            setAttribute(name,attributes.getAttribute(name));
+        }
+    }
+
+}