MonoRail/Castle.MonoRail.Framework/Services/IControllerTree.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MonoRail.Framework
  16 {
  17         using System;
  18
  19         using Services;
  20
  21         /// <summary>
  22         /// Represents an binary tree of registered controllers.
  23         /// <para>
  24         /// It is used by the controller factory to resolve a controller instance
  25         /// based on the specified area (which is optional) and controller name
  26         /// </para>
  27         /// <seealso cref="Castle.MonoRail.Framework.Services.AbstractControllerFactory"/>
  28         /// </summary>
  29         public interface IControllerTree
  30         {
  31                 /// <summary>
  32                 /// Register a controller on the tree. If the specified
  33                 /// area name matches the current node, the controller is
  34                 /// register on the node itself, otherwise on the right or
  35                 /// on the left node.
  36                 /// </summary>
  37                 /// <remarks>
  38                 /// Note that the controller is an <c>object</c>. That allows
  39                 /// different implementation of a controller factory to register
  40                 /// different representation of what a controller is (a name, a descriptor etc)
  41                 /// </remarks>
  42                 /// <param name="areaName">The area name, or <c>String.Empty</c></param>
  43                 /// <param name="controllerName">The controller name</param>
  44                 /// <param name="controller">The controller representation</param>
  45                 void AddController(String areaName, String controllerName, Type controller);
  46
  47                 /// <summary>
  48                 /// Returns a controller previously registered.
  49                 /// </summary>
  50                 /// <param name="areaName">The area name, or <c>String.Empty</c></param>
  51                 /// <param name="controllerName">The controller name</param>
  52                 /// <returns>The controller representation or null</returns>
  53                 Type GetController(String areaName, String controllerName);
  54
  55                 /// <summary>
  56                 /// Occurs when a controller is added to the controller tree.
  57                 /// </summary>
  58                 event EventHandler<ControllerAddedEventArgs> ControllerAdded;
  59         }
  60 }