/// <summary>
/// Performs loading into AssemblyLoadContext.Default using LoadFromAssemblyName for TPA assemblies and LoadFromAssemblyPath for other dependecies.
/// <para>
/// Based on https://github.com/natemcmaster/DotNetCorePlugins/blob/8f5c28fa70f0869a1af2e2904536268f184e71de/src/Plugins/Loader/ManagedLoadContext.cs Load method,
/// but avoided FileNotFoundException from LoadFromAssemblyName trying only load TPA assemblies that way.
/// </para>
/// </summary>
/// <param name="managedLibrary">ManagedLibrary object containing assembly name and paths.</param>
/// <param name="loadContext">ManagedAssemblyLoadContext object.</param>
/// <returns>Returns loaded assembly.</returns>
private Assembly LoadAssemblyInternal(ManagedLibrary managedLibrary, ManagedAssemblyLoadContext loadContext)
{
// To avoid FileNotFoundException for assemblies that are included in TPA - we load them using AssemblyLoadContext.Default.LoadFromAssemblyName.
var assemblyFileName = Path.GetFileName(managedLibrary.AppLocalPath);
if (TPA.ContainsAssembly(assemblyFileName))
{
var defaultAssembly = AssemblyLoadContext.Default.LoadFromAssemblyName(managedLibrary.Name);
if (defaultAssembly != null)
{
return(defaultAssembly);
}
}
if (SearchForLibrary(managedLibrary, loadContext, out var path))
{
return(AssemblyLoadContext.Default.LoadFromAssemblyPath(path));
}
return(null);
}
private void CopyAssemblies(string sourceParentPath, string targetDirectoryPath)
{
if (sourceParentPath != null)
{
var sourceDirectoryPath = Path.Combine(sourceParentPath, "bin");
if (Directory.Exists(sourceDirectoryPath))
{
foreach (var sourceFilePath in Directory.EnumerateFiles(sourceDirectoryPath, "*.*", SearchOption.AllDirectories))
{
// Copy all assembly related files except assemblies that are inlcuded in TPA list
if (IsAssemblyRelatedFile(sourceFilePath) && !(IsAssemblyFile(sourceFilePath) && TPA.ContainsAssembly(Path.GetFileName(sourceFilePath))))
{
// Copy localization resource files to related subfolders
var targetFilePath = Path.Combine(
IsLocalizationFile(sourceFilePath) ? Path.Combine(targetDirectoryPath, Path.GetFileName(Path.GetDirectoryName(sourceFilePath)))
: targetDirectoryPath,
Path.GetFileName(sourceFilePath));
CopyFile(sourceFilePath, targetFilePath);
}
}
}
}
}
