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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Linq;
using Microsoft.Extensions.DependencyModel;
namespace Microsoft.AspNetCore.Mvc.ApplicationParts;
/// <summary>
/// Static class that adds methods to <see cref="AssemblyPart"/>.
/// </summary>
public static class AssemblyPartExtensions
{
/// <inheritdoc />
public static IEnumerable<string> GetReferencePaths(this AssemblyPart assemblyPart)
{
var assembly = assemblyPart?.Assembly ?? throw new ArgumentNullException(nameof(assemblyPart));
if (assembly.IsDynamic)
{
// Skip loading process for dynamic assemblies. This prevents DependencyContextLoader from reading the
// .deps.json file from either manifest resources or the assembly location, which will fail.
return Enumerable.Empty<string>();
}
var dependencyContext = DependencyContext.Load(assembly);
if (dependencyContext != null)
{
return dependencyContext.CompileLibraries.SelectMany(library => library.ResolveReferencePaths());
}
// If an application has been compiled without preserveCompilationContext, return the path to the assembly
// as a reference. For runtime compilation, this will allow the compilation to succeed as long as it least
// one application part has been compiled with preserveCompilationContext and contains a super set of types
// required for the compilation to succeed.
return new[] { assembly.Location };
}
}
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