aspnetcore/src/Microsoft.AspNetCore.Mvc.Core/ApplicationParts/AssemblyPart.cs

64 lines
2.2 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Microsoft.Extensions.DependencyModel;
namespace Microsoft.AspNetCore.Mvc.ApplicationParts
{
/// <summary>
/// An <see cref="ApplicationPart"/> backed by an <see cref="Assembly"/>.
/// </summary>
public class AssemblyPart :
ApplicationPart,
IApplicationPartTypeProvider,
ICompilationReferencesProvider
{
/// <summary>
/// Initalizes a new <see cref="AssemblyPart"/> instance.
/// </summary>
/// <param name="assembly"></param>
public AssemblyPart(Assembly assembly)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
Assembly = assembly;
}
/// <summary>
/// Gets the <see cref="Assembly"/> of the <see cref="ApplicationPart"/>.
/// </summary>
public Assembly Assembly { get; }
/// <summary>
/// Gets the name of the <see cref="ApplicationPart"/>.
/// </summary>
public override string Name => Assembly.GetName().Name;
/// <inheritdoc />
public IEnumerable<TypeInfo> Types => Assembly.DefinedTypes;
/// <inheritdoc />
public IEnumerable<string> GetReferencePaths()
{
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 };
}
}
}