/// <summary>
/// Extracts the services the controller uses from the context -- which ultimately
/// is a service provider.
/// </summary>
/// <param name="context">The context/service provider.</param>
public void InitializeFieldsFromServiceProvider(IRailsEngineContext context)
{
serviceProvider = context;
viewEngineManager = (IViewEngineManager) serviceProvider.GetService(typeof(IViewEngineManager));
IControllerDescriptorProvider controllerDescriptorBuilder = (IControllerDescriptorProvider)
serviceProvider.GetService( typeof(IControllerDescriptorProvider) );
metaDescriptor = controllerDescriptorBuilder.BuildDescriptor(this);
ILoggerFactory loggerFactory = (ILoggerFactory) context.GetService(typeof(ILoggerFactory));
if (loggerFactory != null)
{
logger = loggerFactory.Create(GetType().Name);
}
this.context = context;
Initialize();
}
/// <summary>
/// Collects the filters.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="controllerType">Type of the controller.</param>
private void CollectFilters(ControllerMetaDescriptor descriptor, Type controllerType)
{
descriptor.Filters = filterDescriptorProvider.CollectFilters(controllerType);
Array.Sort(descriptor.Filters, FilterDescriptorComparer.Instance);
}
internal void InitializeControllerFieldsFromServiceProvider()
{
controller.InitializeFieldsFromServiceProvider(context);
serviceProvider = context;
metaDescriptor = controller.metaDescriptor;
controller.viewEngineManager = viewEngineManager;
ILoggerFactory loggerFactory = (ILoggerFactory) context.GetService(typeof(ILoggerFactory));
if (loggerFactory != null)
{
controller.logger = loggerFactory.Create(controller.GetType().Name);
}
}
/// <summary>
/// Collects the dynamic action.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="controllerType">Type of the controller.</param>
private void CollectDynamicAction(ControllerMetaDescriptor descriptor, Type controllerType)
{
object[] attributes = controllerType.GetCustomAttributes(typeof(DynamicActionProviderAttribute), true);
if (attributes.Length != 0)
{
foreach(DynamicActionProviderAttribute attr in attributes)
{
descriptor.ActionProviders.Add(attr.ProviderType);
}
}
}
/// <summary>
/// Collects the helpers.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="controllerType">Type of the controller.</param>
private void CollectHelpers(ControllerMetaDescriptor descriptor, Type controllerType)
{
descriptor.Helpers = helperDescriptorProvider.CollectHelpers(controllerType);
}
/// <summary>
/// Collects the default action.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="controllerType">Type of the controller.</param>
private void CollectDefaultAction(ControllerMetaDescriptor descriptor, Type controllerType)
{
object[] attributes = controllerType.GetCustomAttributes(typeof(DefaultActionAttribute), true);
if (attributes.Length != 0)
{
descriptor.DefaultAction = (DefaultActionAttribute) attributes[0];
}
}
/// <summary>
/// Collects the scaffolding.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="controllerType">Type of the controller.</param>
private void CollectScaffolding(ControllerMetaDescriptor descriptor, Type controllerType)
{
object[] attributes = controllerType.GetCustomAttributes(typeof(ScaffoldingAttribute), false);
if (attributes.Length != 0)
{
foreach(ScaffoldingAttribute scaffolding in attributes)
{
descriptor.Scaffoldings.Add(scaffolding);
}
}
}
/// <summary>
/// Collects the class level attributes.
/// </summary>
/// <param name="controllerType">Type of the controller.</param>
/// <param name="descriptor">The descriptor.</param>
private void CollectClassLevelAttributes(Type controllerType, ControllerMetaDescriptor descriptor)
{
CollectHelpers(descriptor, controllerType);
CollectResources(descriptor, controllerType);
CollectFilters(descriptor, controllerType);
CollectLayout(descriptor, controllerType);
CollectRescues(descriptor, controllerType);
CollectDefaultAction(descriptor, controllerType);
CollectScaffolding(descriptor, controllerType);
CollectDynamicAction(descriptor, controllerType);
}
/// <summary>
/// Collects the action attributes.
/// </summary>
/// <param name="method">The method.</param>
/// <param name="descriptor">The descriptor.</param>
private void CollectActionAttributes(MethodInfo method, ControllerMetaDescriptor descriptor)
{
if (logger.IsDebugEnabled)
{
logger.DebugFormat("Collection attributes for action {0}", method.Name);
}
ActionMetaDescriptor actionDescriptor = descriptor.GetAction(method);
CollectResources(actionDescriptor, method);
CollectSkipFilter(actionDescriptor, method);
CollectRescues(actionDescriptor, method);
CollectAccessibleThrough(actionDescriptor, method);
CollectSkipRescue(actionDescriptor, method);
CollectLayout(actionDescriptor, method);
CollectCacheConfigures(actionDescriptor, method);
CollectTransformFilter(actionDescriptor, method);
if (method.IsDefined(typeof(AjaxActionAttribute), true))
{
descriptor.AjaxActions.Add(method);
}
}
/// <summary>
/// Collects the action level attributes.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
private void CollectActionLevelAttributes(ControllerMetaDescriptor descriptor)
{
foreach(object action in descriptor.Actions.Values)
{
if (action is IList)
{
foreach(MethodInfo overloadedAction in (action as IList))
{
CollectActionAttributes(overloadedAction, descriptor);
}
continue;
}
CollectActionAttributes(action as MethodInfo, descriptor);
}
}
/// <summary>
/// Collects the actions.
/// </summary>
/// <param name="controllerType">Type of the controller.</param>
/// <param name="desc">The desc.</param>
private void CollectActions(Type controllerType, ControllerMetaDescriptor desc)
{
// HACK: GetRealControllerType is a workaround for DYNPROXY-14 bug
// see: http://support.castleproject.org/browse/DYNPROXY-14
controllerType = GetRealControllerType(controllerType);
MethodInfo[] methods = controllerType.GetMethods(BindingFlags.Public | BindingFlags.Instance);
foreach(MethodInfo method in methods)
{
Type declaringType = method.DeclaringType;
if (declaringType == typeof(Object) ||
declaringType == typeof(Controller) ||
declaringType == typeof(SmartDispatcherController))
{
continue;
}
if (desc.Actions.Contains(method.Name))
{
ArrayList list = desc.Actions[method.Name] as ArrayList;
if (list == null)
{
list = new ArrayList();
list.Add(desc.Actions[method.Name]);
desc.Actions[method.Name] = list;
}
list.Add(method);
}
else
{
desc.Actions[method.Name] = method;
}
}
}
/// <summary>
/// Builds the <see cref="ControllerMetaDescriptor"/> for the specified controller type
/// </summary>
/// <param name="controllerType">Type of the controller.</param>
/// <returns></returns>
private ControllerMetaDescriptor InternalBuildDescriptor(Type controllerType)
{
if (logger.IsDebugEnabled)
{
logger.DebugFormat("Building controller descriptor for {0}", controllerType);
}
ControllerMetaDescriptor descriptor = new ControllerMetaDescriptor();
CollectClassLevelAttributes(controllerType, descriptor);
CollectActions(controllerType, descriptor);
CollectActionLevelAttributes(descriptor);
return descriptor;
}
