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namespace System.Web.Mvc {
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Web.Mvc.Resources;
public class ControllerBuilder {
private Func<IControllerFactory> _factoryThunk = () => null;
private static ControllerBuilder _instance = new ControllerBuilder();
private HashSet<string> _namespaces = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
private IResolver<IControllerFactory> _serviceResolver;
public ControllerBuilder()
: this(null) {
}
internal ControllerBuilder(IResolver<IControllerFactory> serviceResolver) {
_serviceResolver = serviceResolver ?? new SingleServiceResolver<IControllerFactory>(
() => _factoryThunk(),
new DefaultControllerFactory { ControllerBuilder = this },
"ControllerBuilder.GetControllerFactory"
);
}
public static ControllerBuilder Current {
get {
return _instance;
}
}
public HashSet<string> DefaultNamespaces {
get {
return _namespaces;
}
}
[SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate", Justification = "Calling method multiple times might return different objects.")]
public IControllerFactory GetControllerFactory() {
return _serviceResolver.Current;
}
public void SetControllerFactory(IControllerFactory controllerFactory) {
if (controllerFactory == null) {
throw new ArgumentNullException("controllerFactory");
}
_factoryThunk = () => controllerFactory;
}
public void SetControllerFactory(Type controllerFactoryType) {
if (controllerFactoryType == null) {
throw new ArgumentNullException("controllerFactoryType");
}
if (!typeof(IControllerFactory).IsAssignableFrom(controllerFactoryType)) {
throw new ArgumentException(
String.Format(
CultureInfo.CurrentCulture,
MvcResources.ControllerBuilder_MissingIControllerFactory,
controllerFactoryType),
"controllerFactoryType");
}
_factoryThunk = delegate() {
try {
return (IControllerFactory)Activator.CreateInstance(controllerFactoryType);
}
catch (Exception ex) {
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
MvcResources.ControllerBuilder_ErrorCreatingControllerFactory,
controllerFactoryType),
ex);
}
};
}
}
}
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