public static ActionDescriptor GetAction(Controller controller, string actionName)
{
ControllerDescriptor controllerDescriptor = GetDescriptor(controller.GetType());
ActionDescriptor actionDescriptor;
controllerDescriptor._actions.TryGetValue(actionName, out actionDescriptor);
return actionDescriptor;
}
public object Invoke(Controller controller, ActionInvocation action)
{
ParameterInfo[] parameters = _actionMethod.GetParameters();
object[] parameterValues = null;
if (parameters.Length != 0) {
List<object> parameterList = new List<object>(parameters.Length);
int paramIndex = 0;
for (; paramIndex < action.Parameters.Count && paramIndex < parameters.Length; paramIndex++) {
parameterList.Add(action.Parameters[paramIndex]);
}
for (; paramIndex < parameters.Length; paramIndex++) {
string paramName = parameters[paramIndex].Name;
string paramValue = null;
action.NamedParameters.TryGetValue(paramName, out paramValue);
parameterList.Add(paramValue);
}
for (int i = 0; i < parameterList.Count; i++) {
Type parameterType = parameters[i].ParameterType;
object paramValue = parameterList[i];
if ((paramValue == null) || (parameterType.IsAssignableFrom(paramValue.GetType()) == false)) {
paramValue = Convert.ChangeType(paramValue, parameterType, CultureInfo.CurrentCulture);
parameterList[i] = paramValue;
}
}
parameterValues = parameterList.ToArray();
}
return _actionMethod.Invoke(controller, parameterValues);
}
public ActionAsyncResult(Controller controller, AsyncCallback callback, object asyncState)
{
_controller = controller;
_callback = callback;
_asyncState = asyncState;
}
/// <internalonly />
protected override IAsyncResult BeginLoadUri(Uri uri, Page uriContext, AsyncCallback callback, object asyncState)
{
if (_currentController != null) {
throw new InvalidOperationException();
}
UriData uriData = new UriData(uri);
IList<string> path = uriData.GetPath();
int minimumCount = _controllerType != null ? 1 : 2;
if ((path != null) && (path.Count >= minimumCount)) {
Controller controller = null;
Type controllerType = _controllerType;
if (controllerType == null) {
Type appType = Application.Current.GetType();
_currentControllerName = path[0];
path.RemoveAt(0);
string controllerTypeName =
appType.Namespace + ".Controllers." + _currentControllerName + "Controller";
controllerType = appType.Assembly.GetType(controllerTypeName, /* throwOnError */ false);
if (typeof(Controller).IsAssignableFrom(controllerType) == false) {
controllerType = null;
}
}
if (controllerType != null) {
controller = CreateController(controllerType);
}
if (controller != null) {
_currentController = controller;
_currentActionName = path[0];
path.RemoveAt(0);
ActionInvocation action = new ActionInvocation(_currentActionName);
foreach (string parameterItem in path) {
action.Parameters.Add(parameterItem);
}
IDictionary<string, string> queryString = uriData.GetQueryString();
if (queryString != null) {
foreach (KeyValuePair<string, string> parameterItem in queryString) {
action.NamedParameters[parameterItem.Key] = parameterItem.Value;
}
}
return ((IController)controller).BeginExecute(action, callback, asyncState);
}
}
return base.BeginLoadUri(uri, uriContext, callback, asyncState);
}
/// <internalonly />
protected override object EndLoadUri(IAsyncResult asyncResult, out Uri redirectUri)
{
redirectUri = null;
if (_currentController != null) {
ActionResult actionResult = null;
try {
actionResult = ((IController)_currentController).EndExecute(asyncResult);
RedirectActionResult redirectResult = actionResult as RedirectActionResult;
if (redirectResult != null) {
StringBuilder uriBuilder = new StringBuilder("/");
if (_controllerType == null) {
string controllerName = redirectResult.ControllerType.Name;
if (controllerName.EndsWith("Controller", StringComparison.Ordinal)) {
controllerName = controllerName.Substring(0, controllerName.Length - 10);
}
uriBuilder.Append(controllerName);
uriBuilder.Append("/");
}
uriBuilder.Append(redirectResult.ActionName);
if (redirectResult.Parameters != null) {
foreach (string parameter in redirectResult.Parameters) {
uriBuilder.Append("/");
uriBuilder.Append(parameter);
}
}
if (redirectResult.HasNamedParameters) {
uriBuilder.Append("?");
foreach (KeyValuePair<string, string> parameter in redirectResult.NamedParmeters) {
uriBuilder.AppendFormat("{0}={1}&", parameter.Key, parameter.Value);
}
}
redirectUri = new Uri(uriBuilder.ToString(), UriKind.Relative);
}
}
finally {
_currentController = null;
}
return actionResult;
}
return base.EndLoadUri(asyncResult, out redirectUri);
}
