--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/util/ajax/JSONCollectionConvertor.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,50 @@
+//
+//  ========================================================================
+//  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.ajax;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Map;
+
+import org.eclipse.jetty.util.Loader;
+
+public class JSONCollectionConvertor implements JSON.Convertor
+{
+    public void toJSON(Object obj, JSON.Output out)
+    {
+        out.addClass(obj.getClass());
+        out.add("list", ((Collection)obj).toArray());
+    }
+
+    public Object fromJSON(Map object)
+    {
+        try
+        {
+            Collection result = (Collection)Loader.loadClass(getClass(), (String)object.get("class")).newInstance();
+            Collections.addAll(result, (Object[])object.get("list"));
+            return result;
+        }
+        catch (Exception x)
+        {
+            if (x instanceof RuntimeException)
+                throw (RuntimeException)x;
+            throw new RuntimeException(x);
+        }
+    }
+}