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

   1 //
   2 // System.Web.HttpCookieCollection.cs
   3 //
   4 // Author:
   5 //      Chris Toshok (toshok@novell.com)
   6 //
   7
   8 //
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Collections;
  32 using System.Collections.Specialized;
  33 using System.Security.Permissions;
  34
  35 namespace System.Web {
  36
  37         // CAS - no InheritanceDemand here as the class is sealed
  38         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  39         public sealed class HttpCookieCollection : NameObjectCollectionBase {
  40
  41                 private bool auto_fill = false;
  42
  43                 [Obsolete ("Don't use this constructor, use the (bool, bool) one, as it's more clear what it does")]
  44                 internal HttpCookieCollection (HttpResponse Response, bool ReadOnly)
  45 #if NET_2_0
  46                         : base (StringComparer.OrdinalIgnoreCase)
  47 #endif
  48                 {
  49                         auto_fill = Response != null;
  50                         IsReadOnly = ReadOnly;
  51                 }
  52
  53                 internal HttpCookieCollection (bool auto_fill, bool read_only)
  54 #if NET_2_0
  55                         : base (StringComparer.OrdinalIgnoreCase)
  56 #endif
  57                 {
  58                         this.auto_fill = auto_fill;
  59                         IsReadOnly = read_only;
  60                 }
  61
  62                 internal HttpCookieCollection (string cookies)
  63 #if NET_2_0
  64                         : base (StringComparer.OrdinalIgnoreCase)
  65 #endif
  66                 {
  67                         if (cookies == null || cookies == "")
  68                                 return;
  69
  70                         string[] cookie_components = cookies.Split (';');
  71                         foreach (string kv in cookie_components) {
  72                                 int pos = kv.IndexOf ('=');
  73                                 if (pos == -1) {
  74                                         /* XXX ugh */
  75                                         continue;
  76                                 }
  77                                 else {
  78                                         string key = kv.Substring (0, pos);
  79                                         string val = kv.Substring (pos+1);
  80
  81                                         Add (new HttpCookie (key.Trim (), val.Trim()));
  82                                 }
  83                         }
  84                 }
  85
  86                 public HttpCookieCollection ()
  87 #if NET_2_0
  88                         : base (StringComparer.OrdinalIgnoreCase)
  89 #endif
  90                 {
  91                 }
  92
  93                 public void Add (HttpCookie cookie)
  94                 {
  95                         if (BaseGet (cookie.Name) != null)
  96                                 return;
  97
  98                         BaseAdd (cookie.Name, cookie);
  99                 }
 100
 101                 public void Clear ()
 102                 {
 103                         BaseClear ();
 104                 }
 105
 106                 public void CopyTo (Array array, int index)
 107                 {
 108                         /* XXX this is kind of gross and inefficient
 109                          * since it makes a copy of the superclass's
 110                          * list */
 111                         object[] values = BaseGetAllValues();
 112                         values.CopyTo (array, index);
 113                 }
 114
 115                 public string GetKey (int index)
 116                 {
 117                         HttpCookie cookie = (HttpCookie)BaseGet (index);
 118                         if (cookie == null)
 119                                 return null;
 120                         else
 121                                 return cookie.Name;
 122                 }
 123
 124                 public void Remove (string name)
 125                 {
 126                         BaseRemove (name);
 127                 }
 128
 129                 public void Set (HttpCookie cookie)
 130                 {
 131                         BaseSet (cookie.Name, cookie);
 132                 }
 133
 134                 public HttpCookie Get (int index)
 135                 {
 136                         return (HttpCookie)BaseGet (index);
 137                 }
 138
 139                 public HttpCookie Get (string name)
 140                 {
 141                         return this [name];
 142                 }
 143
 144                 public HttpCookie this [int index]
 145                 {
 146                         get {
 147                                 return (HttpCookie)BaseGet (index);
 148                         }
 149                 }
 150
 151                 public HttpCookie this [string name]
 152                 {
 153                         get {
 154                                 HttpCookie cookie = (HttpCookie)BaseGet (name);
 155                                 if (!IsReadOnly && auto_fill && cookie == null) {
 156                                         cookie = new HttpCookie (name);
 157                                         BaseAdd (name, cookie);
 158                                 }
 159                                 return cookie;
 160                         }
 161                 }
 162
 163                 public string[] AllKeys {
 164                         get {
 165                                 string[] keys = new string [Keys.Count];
 166                                 ((ICollection)Keys).CopyTo (keys, 0);
 167                                 return keys;
 168                         }
 169                 }
 170         }
 171 }
 172