MyMongodb.MongoData/ConfigManager.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Xml.Serialization;

namespace MyMongodb.Data
{
    public class ConfigManager
    {
        public static string ConfigPath;

        private static ServiceConfig _settings;

        private static object lockObj = new object();

        static ConfigManager()
        {
            ConfigPath = AppContext.BaseDirectory + @"config.xml"; ;
        }

       
        public static ServiceConfig ServiceSettings {
            get {
                return _settings ?? (_settings=Load());
            }
        }

        /// <summary>
        /// 加載xml序列化為ServiceConfig對象
        /// </summary>
        /// <returns></returns>
        static ServiceConfig Load()
        {
            if (File.Exists(ConfigPath))
            {
                lock (lockObj)
                {
                    using (FileStream fs = new FileStream(ConfigPath, FileMode.Open))
                    {
                        try
                        {
                            XmlSerializer xs = new XmlSerializer(typeof(ServiceConfig));

                            //序列化為一個對象
                            _settings = (ServiceConfig)xs.Deserialize(fs);
                            
                        }
                        catch (Exception ex)
                        {
                            fs.Close();
                            fs.Dispose();
                        }

                    }
                }
            }
            else {
                throw new Exception("數據庫配置文件不存在，請檢查");
            }