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