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 //      Sebastien Pouliot  <sebastien@ximian.com>
   8 //
   9 // Copyright (C) 2004,2009 Novell, Inc (http://www.novell.com)
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Collections;
  34 using System.Collections.Generic;
  35 using System.Globalization;
  36 using System.Runtime.Serialization;
  37
  38 namespace System.Net
  39 {
  40         [Serializable]
  41 #if NET_2_1
  42         public sealed class CookieCollection : ICollection, IEnumerable {
  43 #else
  44         public class CookieCollection : ICollection, IEnumerable {
  45 #endif
  46                 // not 100% identical to MS implementation
  47                 sealed class CookieCollectionComparer : IComparer<Cookie> {
  48                         public int Compare (Cookie x, Cookie y)
  49                         {
  50                                 if (x == null || y == null)
  51                                         return 0;
  52
  53                                 int c1 = x.Name.Length + x.Value.Length;
  54                                 int c2 = y.Name.Length + y.Value.Length;
  55
  56                                 return (c1 - c2);
  57                         }
  58                 }
  59
  60                 static CookieCollectionComparer Comparer = new CookieCollectionComparer ();
  61
  62                 List<Cookie> list = new List<Cookie> ();
  63
  64                 internal IList<Cookie> List {
  65                         get { return list; }
  66                 }
  67                 // ICollection
  68                 public int Count {
  69                         get { return list.Count; }
  70                 }
  71
  72                 public bool IsSynchronized {
  73                         get { return false; }
  74                 }
  75
  76                 public Object SyncRoot {
  77                         get { return this; }
  78                 }
  79
  80                 public void CopyTo (Array array, int index)
  81                 {
  82                         (list as IList).CopyTo (array, index);
  83                 }
  84
  85                 public void CopyTo (Cookie [] array, int index)
  86                 {
  87                         list.CopyTo (array, index);
  88                 }
  89
  90                 // IEnumerable
  91                 public IEnumerator GetEnumerator ()
  92                 {
  93                         return list.GetEnumerator ();
  94                 }
  95
  96                 // This
  97
  98                 // LAMESPEC: So how is one supposed to create a writable CookieCollection
  99                 // instance?? We simply ignore this property, as this collection is always
 100                 // writable.
 101                 public bool IsReadOnly {
 102                         get { return true; }
 103                 }
 104
 105                 public void Add (Cookie cookie)
 106                 {
 107                         if (cookie == null)
 108                                 throw new ArgumentNullException ("cookie");
 109
 110                         int pos = SearchCookie (cookie);
 111                         if (pos == -1)
 112                                 list.Add (cookie);
 113                         else
 114                                 list [pos] = cookie;
 115                 }
 116
 117                 internal void Sort ()
 118                 {
 119                         if (list.Count > 0)
 120                                 list.Sort (Comparer);
 121                 }
 122
 123                 int SearchCookie (Cookie cookie)
 124                 {
 125                         string name = cookie.Name;
 126                         string domain = cookie.Domain;
 127                         string path = cookie.Path;
 128
 129                         for (int i = list.Count - 1; i >= 0; i--) {
 130                                 Cookie c = list [i];
 131                                 if (c.Version != cookie.Version)
 132                                         continue;
 133
 134                                 if (0 != String.Compare (domain, c.Domain, true, CultureInfo.InvariantCulture))
 135                                         continue;
 136
 137                                 if (0 != String.Compare (name, c.Name, true, CultureInfo.InvariantCulture))
 138                                         continue;
 139
 140                                 if (0 != String.Compare (path, c.Path, true, CultureInfo.InvariantCulture))
 141                                         continue;
 142
 143                                 return i;
 144                         }
 145
 146                         return -1;
 147                 }
 148
 149                 public void Add (CookieCollection cookies)
 150                 {
 151                         if (cookies == null)
 152                                 throw new ArgumentNullException ("cookies");
 153
 154                         foreach (Cookie c in cookies)
 155                                 Add (c);
 156                 }
 157
 158                 public Cookie this [int index] {
 159                         get {
 160                                 if (index < 0 || index >= list.Count)
 161                                         throw new ArgumentOutOfRangeException ("index");
 162
 163                                 return list [index];
 164                         }
 165                 }
 166
 167                 public Cookie this [string name] {
 168                         get {
 169                                 foreach (Cookie c in list) {
 170                                         if (0 == String.Compare (c.Name, name, true, CultureInfo.InvariantCulture))
 171                                                 return c;
 172                                 }
 173                                 return null;
 174                         }
 175                 }
 176
 177         } // CookieCollection
 178 } // System.Net
 179