PowerToys/WinAlfred/PluginLoader/CSharpPluginLoader.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
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using System.Text;
using WinAlfred.Helper;
using WinAlfred.Plugin;
namespace WinAlfred.PluginLoader
{
public class CSharpPluginLoader : BasePluginLoader
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{
public override List<PluginPair> LoadPlugin()
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{
List<PluginPair> plugins = new List<PluginPair>();
List<PluginMetadata> metadatas = pluginMetadatas.Where(o => o.Language.ToUpper() == AllowedLanguage.CSharp.ToUpper()).ToList();
foreach (PluginMetadata metadata in metadatas)
{
try
{
Assembly asm = Assembly.LoadFile(metadata.ExecuteFile);
List<Type> types = asm.GetTypes().Where(o => o.GetInterfaces().Contains(typeof(IPlugin))).ToList();
if (types.Count == 0)
{
Log.Error(string.Format("Cound't load plugin {0}: didn't find the class who implement IPlugin", metadata.Name));
continue;
}
if (types.Count > 1)
{
Log.Error(string.Format("Cound't load plugin {0}: find more than one class who implement IPlugin, there should only one class implement IPlugin", metadata.Name));
continue;
}
PluginPair pair = new PluginPair()
{
Plugin = Activator.CreateInstance(types[0]) as IPlugin,
Metadata = metadata
};
plugins.Add(pair);
}
catch (Exception e)
{
Log.Error(string.Format("Cound't load plugin {0}: {1}", metadata.Name, e.Message));
#if (DEBUG)
{
throw;
}
#endif
}
}
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return plugins;
}
}
}