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.Specialized;
  32 using System.Security.Permissions;
  33
  34 namespace System.Web {
  35
  36         // CAS - no InheritanceDemand here as the class is sealed
  37         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38         public sealed class HttpCookieCollection : NameObjectCollectionBase {
  39
  40                 private bool auto_fill = false;
  41
  42                 [Obsolete ("Don't use this constructor, use the (bool, bool) one, as it's more clear what it does")]
  43                 internal HttpCookieCollection (HttpResponse Response, bool ReadOnly)
  44 #if NET_2_0
  45                         : base (StringComparer.OrdinalIgnoreCase)
  46 #endif
  47                 {
  48                         auto_fill = Response != null;
  49                         IsReadOnly = ReadOnly;
  50                 }
  51
  52                 internal HttpCookieCollection (bool auto_fill, bool read_only)
  53 #if NET_2_0
  54                         : base (StringComparer.OrdinalIgnoreCase)
  55 #endif
  56                 {
  57                         this.auto_fill = auto_fill;
  58                         IsReadOnly = read_only;
  59                 }
  60
  61                 internal HttpCookieCollection (string cookies)
  62 #if NET_2_0
  63                         : base (StringComparer.OrdinalIgnoreCase)
  64 #endif
  65                 {
  66                         if (cookies == null || cookies == "")
  67                                 return;
  68
  69                         string[] cookie_components = cookies.Split (';');
  70                         foreach (string kv in cookie_components) {
  71                                 int pos = kv.IndexOf ('=');
  72                                 if (pos == -1) {
  73                                         /* XXX ugh */
  74                                         continue;
  75                                 }
  76                                 else {
  77                                         string key = kv.Substring (0, pos);
  78                                         string val = kv.Substring (pos+1);
  79
  80                                         Add (new HttpCookie (key.Trim (), val.Trim()));
  81                                 }
  82                         }
  83                 }
  84
  85                 public HttpCookieCollection ()
  86 #if NET_2_0
  87                         : base (StringComparer.OrdinalIgnoreCase)
  88 #endif
  89                 {
  90                 }
  91
  92                 public void Add (HttpCookie cookie)
  93                 {
  94                         if (BaseGet (cookie.Name) != null)
  95                                 return;
  96
  97                         BaseAdd (cookie.Name, cookie);
  98                 }
  99
 100                 public void Clear ()
 101                 {
 102                         BaseClear ();
 103                 }
 104
 105                 public void CopyTo (Array array, int index)
 106                 {
 107                         /* XXX this is kind of gross and inefficient
 108                          * since it makes a copy of the superclass's
 109                          * list */
 110                         object[] values = BaseGetAllValues();
 111                         values.CopyTo (array, index);
 112                 }
 113
 114                 public string GetKey (int index)
 115                 {
 116                         HttpCookie cookie = (HttpCookie)BaseGet (index);
 117                         if (cookie == null)
 118                                 return null;
 119                         else
 120                                 return cookie.Name;
 121                 }
 122
 123                 public void Remove (string name)
 124                 {
 125                         BaseRemove (name);
 126                 }
 127
 128                 public void Set (HttpCookie cookie)
 129                 {
 130                         BaseSet (cookie.Name, cookie);
 131                 }
 132
 133                 public HttpCookie Get (int index)
 134                 {
 135                         return (HttpCookie)BaseGet (index);
 136                 }
 137
 138                 public HttpCookie Get (string name)
 139                 {
 140                         return (HttpCookie)BaseGet (name);
 141                 }
 142
 143                 public HttpCookie this [int index]
 144                 {
 145                         get {
 146                                 return (HttpCookie)BaseGet (index);
 147                         }
 148                 }
 149
 150                 public HttpCookie this [string name]
 151                 {
 152                         get {
 153                                 HttpCookie cookie = (HttpCookie)BaseGet (name);
 154                                 if (!IsReadOnly && auto_fill && cookie == null) {
 155                                         cookie = new HttpCookie (name);
 156                                         BaseAdd (name, cookie);
 157                                 }
 158                                 return cookie;
 159                         }
 160                 }
 161
 162                 public string[] AllKeys {
 163                         get {
 164                                 /* XXX another inefficient copy due to
 165                                  * lack of exposure from the base
 166                                  * class */
 167                                 string[] keys = new string [Keys.Count];
 168                                 for (int i = 0; i < Keys.Count; i ++)
 169                                         keys[i] = Keys[i];
 170
 171                                 return keys;
 172                         }
 173                 }
 174         }
 175 }
 176