/// <summary>
        ///     Builds the <see cref="XmlDocument" /> containing the response body
        /// </summary>
        /// <param name="context">The <see cref="IHttpListenerContext" /></param>
        /// <param name="propname">The boolean defining the Propfind propname request</param>
        /// <param name="requestUri"></param>
        /// <param name="requestedProperties"></param>
        /// <param name="webDavStoreItems"></param>
        /// <param name="lockSystem"></param>
        /// <param name="store"></param>
        /// <returns>
        ///     The <see cref="XmlDocument" /> containing the response body
        /// </returns>
        private string ResponseDocument(IHttpListenerContext context, bool propname, Uri requestUri, List<WebDavProperty> requestedProperties, List<IWebDavStoreItem> webDavStoreItems, IWebDavStoreItemLock lockSystem, IWebDavStore store)
        {
            // Create the basic response XmlDocument
            XmlDocument responseDoc = new XmlDocument();
            const string responseXml = "<?xml version=\"1.0\" encoding=\"utf-8\" ?><D:multistatus xmlns:D=\"DAV:\" xmlns:Office=\"urn:schemas-microsoft-com:office:office\" xmlns:Repl=\"http://schemas.microsoft.com/repl/\" xmlns:Z=\"urn:schemas-microsoft-com:\"></D:multistatus>";
            responseDoc.LoadXml(responseXml);
            // Generate the manager
            XmlNamespaceManager manager = new XmlNamespaceManager(responseDoc.NameTable);
            manager.AddNamespace("D", "DAV:");
            manager.AddNamespace("Office", "schemas-microsoft-com:office:office");
            manager.AddNamespace("Repl", "http://schemas.microsoft.com/repl/");
            manager.AddNamespace("Z", "urn:schemas-microsoft-com:");
            List<string> xmlFragments = new List<string>();
            int count = 0;
            foreach (IWebDavStoreItem webDavStoreItem in webDavStoreItems)
            {
                string frag;
                if (count == 0)
                {
                    frag = CreateFragment(true, responseDoc, webDavStoreItem, context, propname, requestUri, requestedProperties, lockSystem);
                }
                else
                {
                    WindowsIdentity userIdentity = (WindowsIdentity) Thread.GetData(Thread.GetNamedDataSlot(WebDavServer.HttpUser));
                    string cacheValue = (string) store.GetCacheObject(this, userIdentity.Name, webDavStoreItem.ItemPath);
                    if (cacheValue != null)
                    {
                        xmlFragments.Add(cacheValue);
                        continue;
                    }
                    frag = CreateFragment(false, responseDoc, webDavStoreItem, context, propname, requestUri, requestedProperties, lockSystem);
                    store.AddCacheObject(this, userIdentity.Name, webDavStoreItem.ItemPath, frag);
                }

                count++;

                xmlFragments.Add(frag);
            }

            StringBuilder sb = new StringBuilder(5000);
            sb.Append("<?xml version=\"1.0\" encoding=\"utf-8\" ?><D:multistatus xmlns:D=\"DAV:\" xmlns:Office=\"urn:schemas-microsoft-com:office:office\" xmlns:Repl=\"http://schemas.microsoft.com/repl/\" xmlns:Z=\"urn:schemas-microsoft-com:\">");
            foreach (string xmlFragment in xmlFragments)
                sb.Append(xmlFragment);
            sb.Append("</D:multistatus>");

            string t = sb.ToString();

            return t;
        }