79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
using ModelTools.Extensions;
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using ModelTools.Interfaces;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Xml.XPath;
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namespace ModelTools.BusinessLogics
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{
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/// <summary>
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/// Загрузчик данных
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/// </summary>
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public static class ServiceProviderLoader
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{
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private static readonly string _configFileName = "DepartmentPortal.config";
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private static readonly string _pathToLoaderExt = "..\\..\\..\\..\\Extensions\\";
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/// <summary>
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/// Получение данных с файла настроек
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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public static string GetConfigData(string key)
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{
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var fileName = GetFile(_configFileName);
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if (!File.Exists(fileName))
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{
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return string.Empty;
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}
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var doc = new XPathDocument(fileName);
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var nav = doc.CreateNavigator();
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var data = nav.SelectDescendants(key, "", false);
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data.MoveNext();
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return data.Current.Value;
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}
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/// <summary>
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/// Загрузка всех классов-реализаций ILoaderExtensions
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/// </summary>
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/// <returns></returns>
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public static List<ILoaderExtensions> GetLoaderExtensions()
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{
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var list = new List<ILoaderExtensions>();
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if(Directory.Exists(_pathToLoaderExt))
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{
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var files = Directory.GetFiles(_pathToLoaderExt, "*.dll", SearchOption.AllDirectories);
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var loadedFiles = new List<string>();
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foreach(var file in files.Distinct())
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{
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if(loadedFiles.Contains(file.GetFileName()))
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{
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continue;
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}
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Assembly asm = Assembly.LoadFrom(file);
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foreach (var t in asm.GetExportedTypes())
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{
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if (t.IsClass && typeof(ILoaderExtensions).IsAssignableFrom(t))
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{
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list.Add((ILoaderExtensions)Activator.CreateInstance(t));
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}
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}
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loadedFiles.Add(file.GetFileName());
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}
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}
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return list;
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}
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/// <summary>
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/// Получение имени файла
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/// </summary>
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/// <param name="fileName"></param>
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/// <returns></returns>
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private static string GetFile(string fileName) => Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), fileName);
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}
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} |