76 lines
2.6 KiB
C#
76 lines
2.6 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Linq;
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using System.Reflection;
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using Microsoft.AspNet.Hosting.Internal;
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using Microsoft.Framework.DependencyInjection;
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namespace Microsoft.AspNet.Hosting.Server
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{
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public class ServerLoader : IServerLoader
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{
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private readonly IServiceProvider _services;
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public ServerLoader(IServiceProvider services)
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{
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_services = services;
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}
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public IServerFactory LoadServerFactory(string serverFactoryIdentifier)
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{
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if (string.IsNullOrEmpty(serverFactoryIdentifier))
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{
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throw new ArgumentException(string.Empty, "serverFactoryIdentifier");
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}
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var nameParts = HostingUtilities.SplitTypeName(serverFactoryIdentifier);
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string typeName = nameParts.Item1;
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string assemblyName = nameParts.Item2;
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var assembly = Assembly.Load(new AssemblyName(assemblyName));
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if (assembly == null)
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{
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throw new Exception(String.Format("TODO: assembly {0} failed to load message", assemblyName));
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}
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Type type = null;
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Type interfaceInfo;
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if (string.IsNullOrEmpty(typeName))
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{
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foreach (var typeInfo in assembly.DefinedTypes)
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{
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interfaceInfo = typeInfo.ImplementedInterfaces.FirstOrDefault(interf => interf.Equals(typeof(IServerFactory)));
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if (interfaceInfo != null)
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{
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type = typeInfo.AsType();
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}
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}
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if (type == null)
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{
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throw new Exception(String.Format("TODO: type {0} failed to load message", typeName ?? "<null>"));
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}
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}
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else
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{
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type = assembly.GetType(typeName);
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if (type == null)
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{
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throw new Exception(String.Format("TODO: type {0} failed to load message", typeName ?? "<null>"));
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}
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interfaceInfo = type.GetTypeInfo().ImplementedInterfaces.FirstOrDefault(interf => interf.Equals(typeof(IServerFactory)));
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if (interfaceInfo == null)
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{
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throw new Exception("TODO: IServerFactory interface not found");
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}
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}
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return (IServerFactory)ActivatorUtilities.GetServiceOrCreateInstance(_services, type);
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}
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}
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} |