netTierGenerator

using System;
using System.Configuration;
using Sample.Common.Exception;
using Microsoft.Practices.EnterpriseLibrary.Common.Configuration;

namespace Sample.Config
{
    public sealed class ApplicationSettings
    {
        #region Static Members
        private static readonly ApplicationSettings instance; 
        #endregion Static Members

        #region Class Members
        private readonly string settingsPath;
        private FileConfigurationSource fileConfigurationSource;
        #endregion Class Members

        #region Constructors
        static ApplicationSettings()
        {
            instance = new ApplicationSettings();
        }
        private ApplicationSettings()
        {
            settingsPath = AppDomain.CurrentDomain.BaseDirectory + "App.config";
            fileConfigurationSource = new FileConfigurationSource(settingsPath);
            fileConfigurationSource.AddSectionChangeHandler("appSettings", this.ApplicationSettings_SectionChanged);
        }
        #endregion Constructors

        #region Properties
        public static string DataAccessLayerAssembly
        {
            get { return ApplicationSettings.GetConfigurationString("DataAccessLayerAssembly"); }
        }
        public static string DataAccessLayerNamecpace
        {
            get { return ApplicationSettings.GetConfigurationString("DataAccessLayerNamecpace"); }
        }
        public static string DatabaseConnection
        {
            get { return ApplicationSettings.GetConfigurationString("DatabaseConnection"); }
        }
        #endregion Properties

        #region Handlers
        private void ApplicationSettings_SectionChanged(object sender, ConfigurationChangedEventArgs e)
        {
            #warning fill ApplicationSettings_SectionChanged
        }
        #endregion Handlers

        #region Helper Methods
        private static string GetConfigurationString(string key)
        {
            AppSettingsSection section = instance.fileConfigurationSource.GetSection("appSettings") as AppSettingsSection;
            if (section != null)
            {
                return section.Settings[key].Value;
            }

            throw new InvalidCastException("AppSettingsSection");
        }
        #endregion Helper Methods
    }
}