SqlLinq: Taking LINQ to SQL in the Other Direction

using System;
using System.IO;
using System.Xml;
using System.Text;
using System.Diagnostics;

namespace Kackman.Framework
{
    /// <summary>
    /// Summary description for FilePropertyBag.
    /// </summary>
    public class FilePropertyBag : XmlPropertyBag, ISaveablePropertyBag
    {
        private string m_filePath;

        public FilePropertyBag(string filePath)
        {
            m_filePath = filePath;

            if (Directory.Exists(Path.GetDirectoryName(m_filePath)) == false)
                Directory.CreateDirectory(Path.GetDirectoryName(m_filePath));

            if (File.Exists(m_filePath) == false)
                CreateBlank(m_filePath);

            try
            {
                Load(m_filePath);
            }
            catch (Exception e)
            {
                Trace.WriteLine(e.Message);
                Debug.Assert(false);

                // we are here because we tried to load the settings document and it didn't work
                // This can only be becuase the file got corrupted or something
                // so delete the current file and create a new blank one
                if (File.Exists(m_filePath))
                    File.Delete(m_filePath);

                CreateBlank(m_filePath);
                Load(m_filePath);
            }
        }

        public void Save(TextWriter writer)
        {
            writer.Write(this.ToString());
        }

        public void Save(Stream stream)
        {
            using (XmlTextWriter writer = new XmlTextWriter(stream, Encoding.UTF8))
            {
                writer.WriteRaw(this.ToString());
                writer.Flush();
            }
        }

        public void Save()
        {
            using (Stream stream = new FileStream(m_filePath, FileMode.Create, FileAccess.Write, FileShare.None))
                Save(stream);
        }

        private static void CreateBlank(string filePath)
        {
            using (StreamWriter writer = File.CreateText(filePath))
                writer.Write(string.Format("<?xml version='1.0'?><settings schemaVersion='{0}'/>", XmlPropertyBag.CurrentSchemaVersion));
        }
    }
}