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using System;

using System.Collections.Generic;

using System.ComponentModel.Composition.Hosting;

using System.IO;

using System.Linq;

using System.Reflection;

using System.Text;

namespace Simple.Data

{

class AdapterHelper

{

private static IAdapter ComposeAdapter(string contractName)

{

using (var container = CreateContainer())

{

var export = container.GetExport<IAdapter>(contractName);

if (export == null) throw new ArgumentException("Unrecognised file.");

return export.Value;

}

}

private static CompositionContainer CreateContainer()

{

var path = Assembly.GetExecutingAssembly().CodeBase.Replace("file:///", "");

path = Path.GetDirectoryName(path);

if (path == null) throw new ArgumentException("Unrecognised file.");

var catalog = new DirectoryCatalog(path, "Simple.Data.*.dll");

return new CompositionContainer(catalog);

}

}

}