init lserp cs 5.0

2026-07-10 15:25:05 +08:00
commit 90f3fda86a
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+/******************************************************************************
+	Copyright 2005-2007 R2@DevFx.NET 
+	DevFx.NET is free software; you can redistribute it and/or modify
+	it under the terms of the Lesser GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	DevFx.NET is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	Lesser GNU General Public License for more details.
+
+	You should have received a copy of the Lesser GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+/*******************************************************************************/
+
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Web;
+using System.Web.Configuration;
+using Lskj.DevFx.Utils;
+
+namespace Lskj.DevFx.Config.DotNetConfig
+{
+	/// <summary>
+	/// 配置组（依赖 .NET的配置架构）
+	/// </summary>
+	/// <remarks>
+	///		<code>
+	///			&lt;configSections&gt;
+	///				&lt;sectionGroup name="Lskj.devfx" type="Lskj.DevFx.Config.DotNetConfig.GroupHandler, Lskj.DevFx.BaseFx"&gt;
+	///					&lt;section name="mail" type="Lskj.DevFx.Utils.Mail.Config.SectionHandler, Lskj.DevFx.BaseFx" /&gt;
+	///					......
+	///				&lt;/sectionGroup&gt;
+	///			&lt;/configSections&gt;
+	/// 
+	///			......
+	/// 
+	///			&lt;Lskj.devfx&gt;
+	///				&lt;mail&gt;
+	///					&lt;smtpSetting server="" port="" userName="" password="" /&gt;
+	///				&lt;/mail&gt;
+	///			&lt;/Lskj.devfx&gt;
+	///			......
+	/// </code>
+	/// </remarks>
+	public class GroupHandler : ConfigurationSectionGroup
+	{
+		private static GroupHandler instance;
+		private static bool isInit;
+		private static bool isWebApp;
+		private static Dictionary<Type, ConfigurationSection> sectionCache;
+		private static readonly object lockObject = new object();
+
+		private static void Init(bool throwOnError) {
+			if (isInit) {
+				return;
+			}
+			Configuration config;
+			if (HttpContext.Current != null) {
+				isWebApp = true;
+				config = WebConfigurationManager.OpenWebConfiguration(HttpContext.Current.Request.ApplicationPath);
+			} else {
+				isWebApp = false;
+				config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
+			}
+			foreach (string key in config.SectionGroups.Keys) {
+				ConfigurationSectionGroup csg = config.SectionGroups[key];
+				if(csg == null || string.IsNullOrEmpty(csg.Type)) {
+					continue;
+				}
+				Type csgType = TypeHelper.CreateType(csg.Type, false);
+				if (csgType == typeof(GroupHandler)) {
+					break;
+				}
+			}
+
+			sectionCache = new Dictionary<Type, ConfigurationSection>();
+
+			if (instance == null) {
+				isInit = true;
+				if (throwOnError) {
+					throw new ConfigException("配置组未正确配置");
+				}
+				return;
+			}
+
+			foreach (ConfigurationSection section in instance.Sections) {
+				string sectionTypeName = section.SectionInformation.Type;
+				string sectionName = section.SectionInformation.SectionName;
+				Type sectionType = TypeHelper.CreateType(sectionTypeName, false);
+				object objectSection;
+				if (isWebApp) {
+					objectSection = WebConfigurationManager.GetSection(sectionName);
+				} else {
+					objectSection = ConfigurationManager.GetSection(sectionName);
+				}
+				if (objectSection != null) {
+					sectionCache.Add(sectionType, (ConfigurationSection)objectSection);
+				}
+			}
+
+			isInit = true;
+		}
+
+		/// <summary>
+		/// 当前配置组的实例（单件）
+		/// </summary>
+		public static GroupHandler Instance {
+			get { return instance; }
+		}
+
+		/// <summary>
+		/// 获取配置节（泛型）
+		/// </summary>
+		/// <typeparam name="T">配置节类型</typeparam>
+		/// <returns>配置节</returns>
+		public static T GetSection<T>() where T : ConfigurationSection {
+			return GetSection<T>(true);
+		}
+
+		/// <summary>
+		/// 获取配置节（泛型）
+		/// </summary>
+		/// <typeparam name="T">配置节类型</typeparam>
+		/// <param name="throwOnError">如果配置组未配置是否抛出异常</param>
+		/// <returns>配置节</returns>
+		public static T GetSection<T>(bool throwOnError) where T : ConfigurationSection {
+			if (!isInit) {
+				lock (lockObject) {
+					if (!isInit) {
+						Init(throwOnError);
+					}
+				}
+			}
+
+			Type type = typeof(T);
+			ConfigurationSection sectionObject;
+			sectionCache.TryGetValue(type, out sectionObject);
+			return sectionObject as T;
+		}
+
+		/// <summary>
+		/// 构造方法
+		/// </summary>
+		protected GroupHandler() {
+			instance = this;
+		}
+	}
+}