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                 class CookieCollectionPathComparer : IComparer
  43                 {
  44                         int IComparer.Compare (object p1, object p2)
  45                         {
  46                                 Cookie c1 = p1 as Cookie;
  47                                 Cookie c2 = p2 as Cookie;
  48
  49                                 if (c1 == null || c2 == null)
  50                                         return 0;
  51
  52                                 return (c2.Path.Length - c1.Path.Length);
  53                         }
  54                 }
  55
  56                 ArrayList list = new ArrayList (4);
  57
  58                 internal ArrayList List {
  59                         get { return list; }
  60                 }
  61                 // ICollection
  62                 public int Count {
  63                         get { return list.Count; }
  64                 }
  65
  66                 public bool IsSynchronized {
  67                         get { return false; }
  68                 }
  69
  70                 public Object SyncRoot {
  71                         get { return this; }
  72                 }
  73
  74                 public void CopyTo (Array array, int arrayIndex)
  75                 {
  76                         list.CopyTo (array, arrayIndex);
  77                 }
  78
  79 #if NET_2_0
  80                 public void CopyTo (Cookie [] array, int index)
  81                 {
  82                         list.CopyTo (array, index);
  83                 }
  84 #endif
  85
  86                 // IEnumerable
  87                 public IEnumerator GetEnumerator ()
  88                 {
  89                         return list.GetEnumerator ();
  90                 }
  91
  92                 // This
  93
  94                 // LAMESPEC: So how is one supposed to create a writable CookieCollection
  95                 // instance?? We simply ignore this property, as this collection is always
  96                 // writable.
  97                 public bool IsReadOnly {
  98                         get { return true; }
  99                 }
 100
 101                 public void Add (Cookie cookie)
 102                 {
 103                         if (cookie == null)
 104                                 throw new ArgumentNullException ("cookie");
 105
 106                         int pos = SearchCookie (cookie);
 107                         if (pos == -1)
 108                                 list.Add (cookie);
 109                         else
 110                                 list [pos] = cookie;
 111                 }
 112
 113                 internal void SortByPath ()
 114                 {
 115                         if (list == null || list.Count == 0)
 116                                 return;
 117
 118                         list.Sort (new CookieCollectionPathComparer ());
 119                 }
 120
 121                 int SearchCookie (Cookie cookie)
 122                 {
 123                         string name = cookie.Name;
 124                         string domain = cookie.Domain;
 125                         string path = cookie.Path;
 126
 127                         for (int i = list.Count - 1; i >= 0; i--) {
 128                                 Cookie c = (Cookie) list [i];
 129                                 if (c.Version != cookie.Version)
 130                                         continue;
 131
 132                                 if (0 != String.Compare (domain, c.Domain, true, CultureInfo.InvariantCulture))
 133                                         continue;
 134
 135                                 if (0 != String.Compare (name, c.Name, true, CultureInfo.InvariantCulture))
 136                                         continue;
 137
 138                                 if (0 != String.Compare (path, c.Path, true, CultureInfo.InvariantCulture))
 139                                         continue;
 140
 141                                 return i;
 142                         }
 143
 144                         return -1;
 145                 }
 146
 147                 public void Add (CookieCollection cookies)
 148                 {
 149                         if (cookies == null)
 150                                 throw new ArgumentNullException ("cookies");
 151
 152                         foreach (Cookie c in cookies)
 153                                 Add (c);
 154                 }
 155
 156                 public Cookie this [int index] {
 157                         get {
 158                                 if (index < 0 || index >= list.Count)
 159                                         throw new ArgumentOutOfRangeException ("index");
 160
 161                                 return (Cookie) list [index];
 162                         }
 163                 }
 164
 165                 public Cookie this [string name] {
 166                         get {
 167                                 foreach (Cookie c in list) {
 168                                         if (0 == String.Compare (c.Name, name, true, CultureInfo.InvariantCulture))
 169                                                 return c;
 170                                 }
 171                                 return null;
 172                         }
 173                 }
 174
 175         } // CookieCollection
 176 } // System.Net
 177