src/DotNetCommon.Core/Extensions/AssemblyExtensions.cs

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namespace DotNetCommon.Extensions
{
    using DotNetCommon;
    using System;
    using System.Diagnostics;
    using System.IO;
    using System.Linq;
    using System.Reflection;
    using System.Runtime.Versioning;

    /// <summary>
    /// <see cref="Assembly"/>扩展类
    /// </summary>
    public static class AssemblyExtensions
    {
        /// <summary>
        /// 获取程序集标记的 <c>.net</c> 版本
        /// </summary>
        /// <param name="assembly">The assembly</param>
        public static string GetFrameworkVersion(this Assembly assembly)
        {
            Ensure.NotNull(assembly, nameof(assembly));

            var targetFrameAttribute = assembly.GetCustomAttributes(true)
                .OfType<TargetFrameworkAttribute>().FirstOrDefault();

            if (targetFrameAttribute is null) { return ".NET 2, 3 or 3.5"; }

            return targetFrameAttribute.FrameworkName;
        }

        /// <summary>
        /// 获取程序集文件所在的目录 从 <seealso cref="Assembly.Location"/> 处获取
        /// </summary>
        public static DirectoryInfo GetAssemblyLocation(this Assembly assembly)
        {
            Ensure.NotNull(assembly, nameof(assembly));
            return new DirectoryInfo(Path.GetDirectoryName(assembly.Location) ?? throw new InvalidOperationException());
        }

        /// <summary>
        /// 获取程序集文件所在的目录 从 <seealso cref="Assembly.CodeBase"/> 处实现
        /// </summary>
        public static DirectoryInfo GetAssemblyCodeBase(this Assembly assembly)
        {
            Ensure.NotNull(assembly, nameof(assembly));

            var uri = new Uri(assembly.CodeBase);
            return new DirectoryInfo(Path.GetDirectoryName(uri.LocalPath));
        }

        /// <summary>
        /// 当前程序集是否以Release模式编译 参照 <see href="http://www.hanselman.com/blog/HowToProgrammaticallyDetectIfAnAssemblyIsCompiledInDebugOrReleaseMode.aspx"/>
        /// </summary>
        public static bool IsOptimized(this Assembly assembly)
        {
            Ensure.NotNull(assembly, nameof(assembly));

            var attributes = assembly.GetCustomAttributes(typeof(DebuggableAttribute), false);