internal DefaultActionHandler(
IActionInvokerFactory actionInvokerFactory,
IActionContextAccessor actionContextAccessor,
ActionSelectionResult selectionResult,
ActionDescriptorMatch match)
{
this.actionContextAccessor = actionContextAccessor;
this.actionInvokerFactory = actionInvokerFactory;
this.selectionResult = selectionResult;
this.match = match;
}
static string ExpandActionSignature(ActionDescriptorMatch match)
{
Contract.Requires(match != null);
Contract.Ensures(!IsNullOrEmpty(Contract.Result <string>()));
if (!(match.Action is ControllerActionDescriptor action))
{
return(match.Action.DisplayName);
}
var signature = new StringBuilder();
var controllerType = action.ControllerTypeInfo;
signature.Append(controllerType.GetTypeDisplayName());
signature.Append('.');
signature.Append(action.MethodInfo.Name);
signature.Append('(');
using (var parameter = action.Parameters.GetEnumerator())
{
if (parameter.MoveNext())
{
var parameterType = parameter.Current.ParameterType;
signature.Append(parameterType.GetTypeDisplayName(false));
while (parameter.MoveNext())
{
parameterType = parameter.Current.ParameterType;
signature.Append(", ");
signature.Append(parameterType.GetTypeDisplayName(false));
}
}
}
signature.Append(") (");
signature.Append(controllerType.Assembly.GetName().Name);
signature.Append(')');
return(signature.ToString());
}
/// <summary>
/// Occurs when a single action is matched to the route policy.
/// </summary>
/// <param name="context">The current <see cref="RouteContext">route context</see>.</param>
/// <param name="selectionResult">The current <see cref="ActionSelectionResult">action selection result</see>.</param>
/// <param name="match">The <see cref="ActionDescriptorMatch">matched</see> action.</param>
protected virtual void OnSingleMatch(RouteContext context, ActionSelectionResult selectionResult, ActionDescriptorMatch match)
{
Arg.NotNull(context, nameof(context));
Arg.NotNull(selectionResult, nameof(selectionResult));
Arg.NotNull(match, nameof(match));
var handler = new DefaultActionHandler(ActionInvokerFactory, ActionContextAccessor, selectionResult, match);
var candidates = selectionResult.CandidateActions.SelectMany(kvp => kvp.Value);
match.Action.AggregateAllVersions(candidates);
context.RouteData = match.RouteData;
context.Handler = handler.Invoke;
}
/// <summary>
/// Occurs when a single action is matched to the route policy.
/// </summary>
/// <param name="context">The current <see cref="RouteContext">route context</see>.</param>
/// <param name="selectionResult">The current <see cref="ActionSelectionResult">action selection result</see>.</param>
/// <param name="match">The <see cref="ActionDescriptorMatch">matched</see> action.</param>
protected virtual void OnSingleMatch(RouteContext context, ActionSelectionResult selectionResult, ActionDescriptorMatch match)
{
Arg.NotNull(context, nameof(context));
Arg.NotNull(selectionResult, nameof(selectionResult));
Arg.NotNull(match, nameof(match));
var handler = new DefaultActionHandler(ActionInvokerFactory, ActionContextAccessor, selectionResult, match);
context.RouteData = match.RouteData;
context.Handler = handler.Invoke;
}
