109 lines
4.1 KiB
C#
109 lines
4.1 KiB
C#
//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel.Activation
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{
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using System.Collections.ObjectModel;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Reflection;
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using System.Runtime;
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using System.Runtime.CompilerServices;
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[TypeForwardedFrom("System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
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public class ServiceHostFactory : ServiceHostFactoryBase
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{
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Collection<string> referencedAssemblies;
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public ServiceHostFactory()
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{
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this.referencedAssemblies = new Collection<string>();
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}
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internal void AddAssemblyReference(string assemblyName)
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{
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this.referencedAssemblies.Add(assemblyName);
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}
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[SuppressMessage(FxCop.Category.ReliabilityBasic,
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"Reliability104:CaughtAndHandledExceptionsRule",
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Justification = "When using the Asp.Net 'WebSite-model' this exception can happen due to dynamic compilation. This isn't harmful for WCF as long as the ServiceType can be found in another assembly.")]
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public override ServiceHostBase CreateServiceHost(string constructorString, Uri[] baseAddresses)
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{
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if (!AspNetEnvironment.Enabled)
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{
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throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_ProcessNotExecutingUnderHostedContext("ServiceHostFactory.CreateServiceHost")));
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}
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if (string.IsNullOrEmpty(constructorString))
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{
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throw FxTrace.Exception.Argument("constructorString", SR.Hosting_ServiceTypeNotProvided);
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}
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Type type = Type.GetType(constructorString, false);
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if (type == null)
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{
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//config service activation scenario
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if (this.referencedAssemblies.Count == 0)
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{
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AspNetEnvironment.Current.EnsureAllReferencedAssemblyLoaded();
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}
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foreach (string assemblyName in this.referencedAssemblies)
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{
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Assembly assembly = null;
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try
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{
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assembly = Assembly.Load(assemblyName);
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}
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catch (FileNotFoundException fileNotFoundException)
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{
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// When using the Asp.Net "WebSite-model" this exception can happen due to dynamic compilation
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// This isn't harmful for WCF as long as the ServiceType can be found in another assembly...
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if (FxTrace.ShouldTraceInformation)
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{
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FxTrace.Exception.AsInformation(fileNotFoundException);
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}
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}
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if (assembly != null)
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{
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type = assembly.GetType(constructorString, false);
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if (type != null)
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{
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break;
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}
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}
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}
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}
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if (type == null)
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{
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Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
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for (int i = 0; i < assemblies.Length; i++)
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{
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type = assemblies[i].GetType(constructorString, false);
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if (type != null)
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{
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break;
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}
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}
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}
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if (type == null)
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{
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throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_ServiceTypeNotResolved(constructorString)));
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}
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return CreateServiceHost(type, baseAddresses);
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}
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protected virtual ServiceHost CreateServiceHost(Type serviceType, Uri[] baseAddresses)
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{
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return new ServiceHost(serviceType, baseAddresses);
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}
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}
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}
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