C:/Private/OSS/n2cms/github/n2cms/src/Framework/N2/Configuration/ConfigurationManagerWrapper.cs

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using System;
using System.Configuration;

namespace N2.Configuration
{
        public class ConfigurationManagerWrapper
        {
                readonly string sectionGroup;

                public ConfigurationManagerWrapper()
                        : this("n2")
                {
                }
                public ConfigurationManagerWrapper(string sectionGroup)
                {
                        this.sectionGroup = sectionGroup;
                }

                public ContentSectionTable Sections { get; protected set; }

                public virtual T GetSection<T>(string sectionName) where T : ConfigurationSection
                {
                        object section = ConfigurationManager.GetSection(sectionName);
                        if (section == null) throw new ConfigurationErrorsException("Missing configuration section at '" + sectionName + "'");
                        T contentSection = section as T;
                        if (contentSection == null) throw new ConfigurationErrorsException("The configuration section at '" + sectionName + "' is of type '" + section.GetType().FullName + "' instead of '" + typeof(T).FullName + "' which is required.");
                        return contentSection;
                }

                public virtual T GetContentSection<T>(string relativeSectionName) where T : ConfigurationSectionBase
                {
                        return GetSection<T>(sectionGroup + "/" + relativeSectionName);
                }

                public virtual ConnectionStringsSection GetConnectionStringsSection()
                {
                        return GetSection<ConnectionStringsSection>("connectionStrings");
                }

                public virtual string GetConnectionString()
                {
                        string connectionStringName = GetContentSection<DatabaseSection>("database").ConnectionStringName;
                        return GetConnectionStringsSection().ConnectionStrings[connectionStringName].ConnectionString;
                }


                public class ContentSectionTable
                {
                        public ContentSectionTable(HostSection web, EngineSection engine, DatabaseSection database, EditSection management)
                        {
                                Web = web;
                                Engine = engine;
                                Database = database;
                                Management = management;
                        }

                        public HostSection Web { get; protected set; }
                        public EngineSection Engine { get; protected set; }
                        public DatabaseSection Database { get; protected set; }
                        public EditSection Management { get; protected set; }
                }

                #region IAutoStart Members

                public void Start()
                {
                        Sections = new ContentSectionTable(
                                GetContentSection<HostSection>("host"),
                                GetContentSection<EngineSection>("engine"),
                                GetContentSection<DatabaseSection>("database"),
                                GetContentSection<EditSection>("edit"));
                }

                public void Stop()
                {
                        Sections = null;
                }

                #endregion
        }
}