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) 2005-2009 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) : base (StringComparer.OrdinalIgnoreCase)
  45                 {
  46                         auto_fill = Response != null;
  47                         IsReadOnly = ReadOnly;
  48                 }
  49
  50                 internal HttpCookieCollection (bool auto_fill, bool read_only) : base (StringComparer.OrdinalIgnoreCase)
  51                 {
  52                         this.auto_fill = auto_fill;
  53                         IsReadOnly = read_only;
  54                 }
  55
  56                 internal HttpCookieCollection (string cookies) : base (StringComparer.OrdinalIgnoreCase)
  57                 {
  58                         if (String.IsNullOrEmpty (cookies))
  59                                 return;
  60
  61                         string[] cookie_components = cookies.Split (';');
  62                         foreach (string kv in cookie_components) {
  63                                 int pos = kv.IndexOf ('=');
  64                                 if (pos == -1) {
  65                                         /* XXX ugh */
  66                                         continue;
  67                                 }
  68                                 else {
  69                                         string key = kv.Substring (0, pos);
  70                                         string val = kv.Substring (pos+1);
  71
  72                                         Add (new HttpCookie (key.Trim (), val.Trim()));
  73                                 }
  74                         }
  75                 }
  76
  77                 public HttpCookieCollection () : base (StringComparer.OrdinalIgnoreCase)
  78                 {
  79                 }
  80
  81                 public void Add (HttpCookie cookie)
  82                 {
  83                         BaseAdd (cookie.Name, cookie);
  84                 }
  85
  86                 public void Clear ()
  87                 {
  88                         BaseClear ();
  89                 }
  90
  91                 public void CopyTo (Array array, int index)
  92                 {
  93                         /* XXX this is kind of gross and inefficient
  94                          * since it makes a copy of the superclass's
  95                          * list */
  96                         object[] values = BaseGetAllValues();
  97                         values.CopyTo (array, index);
  98                 }
  99
 100                 public string GetKey (int index)
 101                 {
 102                         HttpCookie cookie = (HttpCookie)BaseGet (index);
 103                         if (cookie == null)
 104                                 return null;
 105                         else
 106                                 return cookie.Name;
 107                 }
 108
 109                 public void Remove (string name)
 110                 {
 111                         BaseRemove (name);
 112                 }
 113
 114                 public void Set (HttpCookie cookie)
 115                 {
 116                         BaseSet (cookie.Name, cookie);
 117                 }
 118
 119                 public HttpCookie Get (int index)
 120                 {
 121                         return (HttpCookie)BaseGet (index);
 122                 }
 123
 124                 public HttpCookie Get (string name)
 125                 {
 126                         return this [name];
 127                 }
 128
 129                 public HttpCookie this [int index]
 130                 {
 131                         get {
 132                                 return (HttpCookie)BaseGet (index);
 133                         }
 134                 }
 135
 136                 public HttpCookie this [string name]
 137                 {
 138                         get {
 139                                 HttpCookie cookie = (HttpCookie)BaseGet (name);
 140                                 if (!IsReadOnly && auto_fill && cookie == null) {
 141                                         cookie = new HttpCookie (name);
 142                                         BaseAdd (name, cookie);
 143                                 }
 144                                 return cookie;
 145                         }
 146                 }
 147
 148                 public string[] AllKeys {
 149                         get {
 150                                 string[] keys = new string [Keys.Count];
 151                                 ((ICollection)Keys).CopyTo (keys, 0);
 152                                 return keys;
 153                         }
 154                 }
 155         }
 156 }
 157