//******************************************************************************************************//  WebServiceConfigurationLoader.cs - Gbtc////  Copyright © 2014, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  04/06/2014 - Stephen C. Wills//       Generated original version of source code.////****************************************************************************************************** using System;using System.Data;using System.Net; #pragma warning disable 0067 namespace GSF.TimeSeries.Configuration{    /// <summary>    /// Represents a configuration loader that queries a web service for its configuration.    /// </summary>    public class WebServiceConfigurationLoader : IConfigurationLoader    {        #region [ Members ]         // Events         /// <summary>        /// Occurs when the configuration loader has a message to provide about its current status.        /// </summary>        public event EventHandler<EventArgs<string>> StatusMessage;         /// <summary>        /// Occurs when the configuration loader encounters a non-catastrophic exception.        /// </summary>        public event EventHandler<EventArgs<Exception>> ProcessException;         // Fields        private string m_uri;         #endregion         #region [ Properties ]         /// <summary>        /// Gets or sets the URI for the web service.        /// </summary>        public string URI        {            get            {                return m_uri;            }            set            {                m_uri = value;            }        }         /// <summary>        /// Gets the flag that indicates whether augmentation is supported by this configuration loader.        /// </summary>        public bool CanAugment        {            get            {                return false;            }        }         #endregion         #region [ Methods ]         /// <summary>        /// Loads the entire configuration data set from scratch.        /// </summary>        /// <returns>The configuration data set.</returns>        public DataSet Load()        {            DataSet configuration;            WebRequest request;            WebResponse response;             OnStatusMessage("Webservice configuration connection opened.");             configuration = new DataSet();            request = WebRequest.Create(m_uri);             using (response = request.GetResponse())            {                configuration.ReadXml(response.GetResponseStream());            }             OnStatusMessage("Webservice configuration successfully loaded.");             return configuration;        }         /// <summary>        /// Not supported.        /// </summary>        public void Augment(DataSet configuration)        {            throw new NotSupportedException();        }         private void OnStatusMessage(string message)        {            if ((object)StatusMessage != null)                StatusMessage(this, new EventArgs<string>(message));        }         #endregion    }}