mcs/class/System/System.Net/CookieCollection.cs

   1 //
   2 // System.Net.CookieCollection
   3 //
   4 // Authors:
   5 //      Lawrence Pit (loz@cable.a2000.nl)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // (c) Copyright 2004 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 using System;
  33 using System.Collections;
  34 using System.Globalization;
  35 using System.Runtime.Serialization;
  36
  37 namespace System.Net
  38 {
  39         [Serializable]
  40         public class CookieCollection : ICollection, IEnumerable
  41         {
  42                 ArrayList list = new ArrayList (4);
  43
  44                 // ICollection
  45                 public int Count {
  46                         get { return list.Count; }
  47                 }
  48
  49                 public bool IsSynchronized {
  50                         get { return false; }
  51                 }
  52
  53                 public Object SyncRoot {
  54                         get { return this; }
  55                 }
  56
  57                 public void CopyTo (Array array, int arrayIndex)
  58                 {
  59                         list.CopyTo (array, arrayIndex);
  60                 }
  61
  62                 // IEnumerable
  63                 public IEnumerator GetEnumerator ()
  64                 {
  65                         return list.GetEnumerator ();
  66                 }
  67
  68                 // This
  69
  70                 // LAMESPEC: So how is one supposed to create a writable CookieCollection
  71                 // instance?? We simply ignore this property, as this collection is always
  72                 // writable.
  73                 public bool IsReadOnly {
  74                         get { return true; }
  75                 }
  76
  77                 public void Add (Cookie cookie)
  78                 {
  79                         if (cookie == null)
  80                                 throw new ArgumentNullException ("cookie");
  81
  82                         int pos = SearchCookie (cookie);
  83                         if (pos == -1)
  84                                 list.Add (cookie);
  85                         else
  86                                 list [pos] = cookie;
  87                 }
  88
  89                 int SearchCookie (Cookie cookie)
  90                 {
  91                         string name = cookie.Name;
  92                         string domain = cookie.Domain;
  93                         string path = cookie.Path;
  94
  95                         for (int i = list.Count - 1; i >= 0; i--) {
  96                                 Cookie c = (Cookie) list [i];
  97                                 if (c.Version != cookie.Version)
  98                                         continue;
  99
 100                                 if (0 != String.Compare (domain, c.Domain, true, CultureInfo.InvariantCulture))
 101                                         continue;
 102
 103                                 if (0 != String.Compare (name, c.Name, true, CultureInfo.InvariantCulture))
 104                                         continue;
 105
 106                                 if (0 != String.Compare (path, c.Path, true, CultureInfo.InvariantCulture))
 107                                         continue;
 108
 109                                 return i;
 110                         }
 111
 112                         return -1;
 113                 }
 114
 115                 public void Add (CookieCollection cookies)
 116                 {
 117                         if (cookies == null)
 118                                 throw new ArgumentNullException ("cookies");
 119
 120                         foreach (Cookie c in cookies)
 121                                 Add (c);
 122                 }
 123
 124                 public Cookie this [int index] {
 125                         get {
 126                                 if (index < 0 || index >= list.Count)
 127                                         throw new ArgumentOutOfRangeException ("index");
 128
 129                                 return (Cookie) list [index];
 130                         }
 131                 }
 132
 133                 public Cookie this [string name] {
 134                         get {
 135                                 foreach (Cookie c in list) {
 136                                         if (0 == String.Compare (c.Name, name, true))
 137                                                 return c;
 138                                 }
 139                                 return null;
 140                         }
 141                 }
 142
 143         } // CookieCollection
 144 } // System.Net
 145