/BlogEngine/DotNetSlave.BusinessLogic/Providers/XmlProvider/Settings.cs

namespace BlogEngine.Core.Providers

{

    using System;

    using System.Collections.Specialized;

    using System.Web;

    using System.Web.Configuration;

    using System.Xml;



    /// <summary>

    /// A storage provider for BlogEngine that uses XML files.

    ///     <remarks>

    /// To build another provider, you can just copy and modify

    ///         this one. Then add it to the web.config's BlogEngine section.

    ///     </remarks>

    /// </summary>

    public partial class XmlBlogProvider : BlogProvider

    {

        #region Public Methods



        /// <summary>

        /// Loads the settings from the provider.

        /// </summary>

        /// <returns>A StringDictionary.</returns>

        public override StringDictionary LoadSettings()

        {

            var filename = HttpContext.Current.Server.MapPath(string.Format("{0}settings.xml", Blog.CurrentInstance.StorageLocation));

            var dic = new StringDictionary();



            var doc = new XmlDocument();

            doc.Load(filename);



            var settings = doc.SelectSingleNode("settings");

            if (settings != null)

            {

                foreach (XmlNode settingsNode in settings.ChildNodes)

                {

                    var name = settingsNode.Name;

                    var value = settingsNode.InnerText;



                    dic.Add(name, value);

                }

            }



            return dic;

        }



        /// <summary>

        /// Saves the settings to the provider.

        /// </summary>

        /// <param name="settings">

        /// The settings.

        /// </param>

        public override void SaveSettings(StringDictionary settings)

        {

            if (settings == null)

            {

                throw new ArgumentNullException("settings");

            }



            var filename = string.Format("{0}settings.xml", this.Folder);

            var writerSettings = new XmlWriterSettings { Indent = true };



            // ------------------------------------------------------------

            // Create XML writer against file path

            // ------------------------------------------------------------

            using (var writer = XmlWriter.Create(filename, writerSettings))

            {

                writer.WriteStartElement("settings");



                foreach (string key in settings.Keys)

                {

                    writer.WriteElementString(key, settings[key]);

                }



                writer.WriteEndElement();

            }

        }



        #endregion

    }

}