--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/util/HostMap.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,108 @@
+//
+//  ========================================================================
+//  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.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+/* ------------------------------------------------------------ */
+/**
+ */
+@SuppressWarnings("serial")
+public class HostMap<TYPE> extends HashMap<String, TYPE>
+{
+
+    /* --------------------------------------------------------------- */
+    /** Construct empty HostMap.
+     */
+    public HostMap()
+    {
+        super(11);
+    }
+   
+    /* --------------------------------------------------------------- */
+    /** Construct empty HostMap.
+     * 
+     * @param capacity initial capacity
+     */
+    public HostMap(int capacity)
+    {
+        super (capacity);
+    }
+    
+    /* ------------------------------------------------------------ */
+    /**
+     * @see java.util.HashMap#put(java.lang.Object, java.lang.Object)
+     */
+    @Override
+    public TYPE put(String host, TYPE object)
+        throws IllegalArgumentException
+    {
+        return super.put(host, object);
+    }
+        
+    /* ------------------------------------------------------------ */
+    /**
+     * @see java.util.HashMap#get(java.lang.Object)
+     */
+    @Override
+    public TYPE get(Object key)
+    {
+        return super.get(key);
+    }
+
+    /* ------------------------------------------------------------ */
+    /**
+     * Retrieve a lazy list of map entries associated with specified
+     * hostname by taking into account the domain suffix matches.
+     * 
+     * @param host hostname
+     * @return lazy list of map entries
+     */
+    public Object getLazyMatches(String host)
+    {
+        if (host == null)
+            return LazyList.getList(super.entrySet());
+        
+        int idx = 0;
+        String domain = host.trim();
+        HashSet<String> domains = new HashSet<String>();
+        do {
+            domains.add(domain);
+            if ((idx = domain.indexOf('.')) > 0)
+            {
+                domain = domain.substring(idx+1);
+            }
+        } while (idx > 0);
+        
+        Object entries = null;
+        for(Map.Entry<String, TYPE> entry: super.entrySet())
+        {
+            if (domains.contains(entry.getKey()))
+            {
+                entries = LazyList.add(entries,entry);
+            }
+        }
+       
+        return entries;        
+    }
+
+}