74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc.
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// All Rights Reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
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// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
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// NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing
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// permissions and limitations under the License.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Microsoft.Net.Runtime;
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namespace Microsoft.AspNet.Mvc
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{
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public class DefaultControllerAssemblyProvider : IControllerAssemblyProvider
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{
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// List of Mvc assemblies that we'll use as roots for controller discovery.
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private static readonly HashSet<string> _mvcAssemblyList = new HashSet<string>(StringComparer.Ordinal)
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{
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"Microsoft.AspNet.Mvc",
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"Microsoft.AspNet.Mvc.Core",
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"Microsoft.AspNet.Mvc.ModelBinding",
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"Microsoft.AspNet.Mvc.Razor",
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"Microsoft.AspNet.Mvc.Razor.Host",
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"Microsoft.AspNet.Mvc.Rendering",
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};
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private readonly ILibraryManager _libraryManager;
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public DefaultControllerAssemblyProvider(ILibraryManager libraryManager)
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{
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_libraryManager = libraryManager;
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}
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public IEnumerable<Assembly> CandidateAssemblies
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{
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get
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{
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return GetCandidateLibraries().Select(Load);
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}
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}
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internal IEnumerable<ILibraryInformation> GetCandidateLibraries()
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{
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// GetReferencingLibraries returns the transitive closure of referencing assemblies
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// for a given assembly. In our case, we'll gather all assemblies that reference
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// any of the primary Mvc assemblies while ignoring Mvc assemblies.
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return _mvcAssemblyList.SelectMany(_libraryManager.GetReferencingLibraries)
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.Distinct()
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.Where(IsCandidateLibrary);
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}
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private static Assembly Load(ILibraryInformation library)
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{
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return Assembly.Load(new AssemblyName(library.Name));
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}
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private static bool IsCandidateLibrary(ILibraryInformation library)
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{
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return !_mvcAssemblyList.Contains(library.Name);
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}
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}
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}
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