private byte[] SrvcPropResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
        {
            responseProperties = "{\"Content-Type\" : \"application/json\"}";

            IPropertySet pPropSet = SOIBase.QueryConfigurationProperties(this.soHelper.ServerObject.ConfigurationName, this.soHelper.ServerObject.TypeName);

            JSONObject jo = new JSONObject();

            jo.AddString("MaxRecordCount", pPropSet.GetProperty("MaxRecordCount").ToString());
            jo.AddString("MaxImageHeight", pPropSet.GetProperty("MaxImageHeight").ToString());
            jo.AddString("MaxImageWidth", pPropSet.GetProperty("MaxImageWidth").ToString());
            jo.AddString("PhysicalOutputDirectory", pPropSet.GetProperty("outputDir").ToString());
            jo.AddString("PhysicalCacheDirectory", pPropSet.GetProperty("cacheDir").ToString());

            JSONObject result = new JSONObject();

            result.AddJSONObject("serviceproperties", jo);
            return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="soi"></param>
        /// <returns></returns>
        private HashSet<string> GetAuthorizedLayers ( SOIBase soi )
        {
            var userRoleSet = soi.GetRoleInformation(soi.ServerEnvironment.UserInfo);
            HashSet<String> authorizedLayerSet = null;

            if (null == userRoleSet)
                return authorizedLayerSet;

            /*
            * Generate a set of authorized layers for the user
            */

            var fullServiceName = _serverObject.ConfigurationName + "." + _serverObject.TypeName;

            var removeSpacesRegEx = new Regex("\\s+");
            var authorizedRoles = userRoleSet.Where(role=>_servicePermissionMap.ContainsKey(fullServiceName + "." + role));
            var authorizedLayerList = authorizedRoles.SelectMany(role => removeSpacesRegEx.
                                                                                  Replace(_servicePermissionMap[fullServiceName + "." + role], "").
                                                                                  Split(','));
            return new HashSet<string>(authorizedLayerList);
        }