mcs/class/System.Web/System.Web.Caching/CachedRawResponse.cs

   1 //
   2 // System.Web.Caching.CachedRawResponse
   3 //
   4 // Author(s):
   5 //  Jackson Harper (jackson@ximian.com)
   6 //  Marek Habersack <mhabersack@novell.com>
   7 //
   8 // (C) 2003-2009 Novell, Inc (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32
  33 using System;
  34 using System.Collections;
  35 using System.Collections.Specialized;
  36 using System.IO;
  37 using System.Text;
  38
  39 using System.Collections.Generic;
  40
  41 namespace System.Web.Caching
  42 {
  43         sealed class CachedRawResponse
  44         {
  45                 public sealed class DataItem
  46                 {
  47                         public readonly byte[] Buffer;
  48                         public readonly long Length;
  49                         public readonly HttpResponseSubstitutionCallback Callback;
  50
  51                         public DataItem (byte[] buffer, long length)
  52                         {
  53                                 Buffer = buffer;
  54                                 Length = length;
  55                         }
  56
  57                         public DataItem (HttpResponseSubstitutionCallback callback) : this (null, 0)
  58                         {
  59                                 Callback = callback;
  60                         }
  61                 }
  62
  63                 HttpCachePolicy policy;
  64                 CachedVaryBy varyby;
  65                 int status_code;
  66                 string status_desc;
  67                 NameValueCollection headers;
  68                 List <DataItem> data;
  69
  70                 IList Data {
  71                         get {
  72                                 if (data == null)
  73                                         data = new List <DataItem> ();
  74
  75                                 return data;
  76                         }
  77                 }
  78
  79                 public CachedRawResponse (HttpCachePolicy policy)
  80                 {
  81                         this.policy = policy;
  82                 }
  83
  84                 public HttpCachePolicy Policy {
  85                         get { return policy; }
  86                         set { policy = value; }
  87                 }
  88
  89                 public CachedVaryBy VaryBy {
  90                         get { return varyby; }
  91                         set { varyby = value; }
  92                 }
  93
  94                 public int StatusCode {
  95                         get { return status_code; }
  96                         set { status_code = value; }
  97                 }
  98
  99                 public string StatusDescription {
 100                         get { return status_desc; }
 101                         set { status_desc = value; }
 102                 }
 103
 104                 public NameValueCollection Headers {
 105                         get { return headers; }
 106                 }
 107
 108                 public void SetHeaders (NameValueCollection headers)
 109                 {
 110                         this.headers = headers;
 111                 }
 112
 113                 public void SetData (MemoryStream ms)
 114                 {
 115                         if (ms == null)
 116                                 return;
 117
 118                         Data.Add (new DataItem (ms.GetBuffer (), ms.Length));
 119                 }
 120
 121                 public void SetData (HttpResponseSubstitutionCallback callback)
 122                 {
 123                         if (callback == null)
 124                                 return;
 125
 126                         Data.Add (new DataItem (callback));
 127                 }
 128
 129                 public IList GetData ()
 130                 {
 131                         int count = data != null ? data.Count :0;
 132                         if (count == 0)
 133                                 return null;
 134
 135                         return data;
 136                 }
 137         }
 138 }
 139