AspectSharp/AspectSharp.Example/RequestPipeline.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 AspectSharp.Example
  16 {
  17         using System;
  18         using System.IO;
  19         using System.Collections;
  20
  21         /// <summary>
  22         /// Very naive implementation of a request pipeline
  23         /// </summary>
  24         public class RequestPipeline
  25         {
  26                 private Context context;
  27                 private IList contentProviders;
  28                 private IView view;
  29
  30                 public RequestPipeline()
  31                 {
  32                         context = new Context();
  33                         contentProviders = new ArrayList();
  34                 }
  35
  36                 public virtual Context Context
  37                 {
  38                         get { return context; }
  39                         set { context = value; }
  40                 }
  41
  42                 public virtual IView View
  43                 {
  44                         get { return view; }
  45                         set { view = value; }
  46                 }
  47
  48                 public virtual void AddContentProvider(IContentProvider provider)
  49                 {
  50                         contentProviders.Add( provider );
  51                 }
  52
  53                 public virtual void ProcessRequest( TextWriter writer )
  54                 {
  55                         ArrayList fragments = new ArrayList();
  56
  57                         foreach(IContentProvider provider in contentProviders)
  58                         {
  59                                 fragments.Add( provider.RetrieveContent( Context ) );
  60                         }
  61
  62                         IContentFragment[] contents = fragments.ToArray( typeof(IContentFragment) )
  63                                 as IContentFragment[];
  64
  65                         View.Show( contents, writer );
  66                 }
  67         }
  68 }