mcs/class/System.Web/System.Web/HttpCookieCollection.cs

   1 //
   2 // System.Web.HttpCookieCollection
   3 //
   4 // Author:
   5 //   Patrik Torstensson (Patrik.Torstensson@labs2.com)
   6 //   (First impl Bob Smith <bob@thestuff.net>)
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Web;
  32 using System.Collections.Specialized;
  33
  34 namespace System.Web
  35 {
  36         public sealed class HttpCookieCollection : NameObjectCollectionBase
  37         {
  38                 HttpCookie [] _AllCookies;
  39                 string [] _AllKeys;
  40
  41                 HttpResponse _Response;
  42
  43                 internal HttpCookieCollection(HttpResponse Response, bool ReadOnly) : base()
  44                 {
  45                         _Response = Response;
  46                         IsReadOnly = ReadOnly;
  47                 }
  48
  49                 public HttpCookieCollection () { }
  50
  51                 public string [] AllKeys
  52                 {
  53                         get {
  54                                 if (null == _AllKeys)
  55                                         _AllKeys = BaseGetAllKeys ();
  56
  57                                 return _AllKeys;
  58                         }
  59                 }
  60
  61                 public HttpCookie this [int index]
  62                 {
  63                         get { return Get (index); }
  64                 }
  65
  66                 public HttpCookie this [string name]
  67                 {
  68                         get { return Get (name); }
  69                 }
  70
  71                 public void Add (HttpCookie cookie)
  72                 {
  73                         if (null != _Response)
  74                                 _Response.GoingToChangeCookieColl ();
  75
  76                         // empy performance cache
  77                         _AllCookies = null;
  78                         _AllKeys = null;
  79
  80                         BaseAdd (cookie.Name, cookie);
  81
  82                         if (null != _Response)
  83                                 _Response.OnCookieAdd (cookie);
  84                 }
  85
  86                 public void Clear ()
  87                 {
  88                         _AllCookies = null;
  89                         _AllKeys = null;
  90                         BaseClear ();
  91                 }
  92
  93                 public void CopyTo (Array dest, int index)
  94                 {
  95                         if (null == _AllCookies) {
  96                                 _AllCookies = new HttpCookie [Count];
  97
  98                                 for (int i = 0; i != Count; i++)
  99                                         _AllCookies [i] = Get (i);
 100                         }
 101
 102                         _AllCookies.CopyTo (dest, index);
 103                 }
 104
 105                 public HttpCookie Get (int index)
 106                 {
 107                         return BaseGet (index) as HttpCookie;
 108                 }
 109
 110                 public HttpCookie Get (string name)
 111                 {
 112                         HttpCookie oRet = BaseGet (name) as HttpCookie;
 113                         if (null == oRet && _Response != null) {
 114                                 _AllCookies = null;
 115                                 _AllKeys = null;
 116
 117                                 _Response.GoingToChangeCookieColl ();
 118
 119                                 oRet = new HttpCookie (name);
 120                                 BaseAdd (name, oRet);
 121
 122                                 _Response.OnCookieAdd (oRet);
 123                         }
 124
 125                         return oRet;
 126                 }
 127
 128                 public string GetKey (int index)
 129                 {
 130                         return BaseGetKey (index);
 131                 }
 132
 133                 public void Remove (string name)
 134                 {
 135                         if (null != _Response)
 136                                 _Response.GoingToChangeCookieColl ();
 137
 138                         _AllCookies = null;
 139                         _AllKeys = null;
 140                         BaseRemove (name);
 141
 142                         if (null != _Response)
 143                                 _Response.ChangedCookieColl ();
 144                 }
 145
 146                 public void Set (HttpCookie cookie)
 147                 {
 148                         if (null != _Response)
 149                                 _Response.GoingToChangeCookieColl ();
 150
 151                         _AllCookies = null;
 152                         _AllKeys = null;
 153                         BaseSet (cookie.Name, cookie);
 154
 155                         if (null != _Response)
 156                                 _Response.ChangedCookieColl();
 157                 }
 158
 159                 internal void MakeCookieExpire (string name, string path)
 160                 {
 161                         DateTime expirationTime = new DateTime (1999, 10, 12); // This is the date MS sends!
 162                         HttpCookie willExpire = new HttpCookie (name, String.Empty, path, expirationTime);
 163                         Remove (name);
 164                         Add (willExpire);
 165                 }
 166         }
 167 }
 168