61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
using ComponentOrientedPlatform.Abstractions;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace WinFormsComponentOrientedHost.Composition;
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public sealed class ReflectionLoader
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{
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private readonly string _pluginsPath;
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private readonly IAppLogger _log;
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public ReflectionLoader(string pluginsPath, IAppLogger log)
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{
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_pluginsPath = Path.GetFullPath(pluginsPath);
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_log = log;
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Directory.CreateDirectory(_pluginsPath);
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}
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public IReadOnlyList<IComponentContract> LoadAll()
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{
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var result = new List<IComponentContract>();
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foreach (var dll in Directory.EnumerateFiles(_pluginsPath, "*.dll"))
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{
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try
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{
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_log.Info($"Scanning: {dll}");
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var asm = Assembly.LoadFrom(dll);
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var types = asm.GetTypes()
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.Where(t => !t.IsAbstract && typeof(IComponentContract).IsAssignableFrom(t));
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foreach (var t in types)
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{
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try
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{
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if (Activator.CreateInstance(t) is IComponentContract instance)
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{
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result.Add(instance);
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_log.Info($"Loaded component: {instance.Metadata.Title} ({instance.Metadata.Id})");
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}
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}
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catch (Exception ex)
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{
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_log.Error($"Failed to instantiate {t.FullName}", ex);
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}
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}
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}
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catch (Exception ex)
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{
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_log.Error($"Failed to load assembly: {dll}", ex);
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}
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}
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return result;
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}
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}
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