mcs/class/System.Web/System.Web.SessionState_2.0/HttpSessionStateContainer.cs

   1 //
   2 // System.Web.Compilation.SessionStateItemCollection
   3 //
   4 // Authors:
   5 //   Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //   Marek Habersack (grendello@gmail.com)
   7 //
   8 // (C) 2006 Marek Habersack
   9 // (C) 2002,2003 Ximian, Inc (http://www.ximian.com)
  10 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  11 //
  12
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33 #if NET_2_0
  34 using System.Collections;
  35 using System.Collections.Generic;
  36 using System.Collections.Specialized;
  37 using System.Globalization;
  38 using System.Text;
  39 using System.Threading;
  40 using System.Web.Util;
  41
  42 namespace System.Web.SessionState
  43 {
  44         public class HttpSessionStateContainer : IHttpSessionState
  45         {
  46                 string id;
  47                 HttpStaticObjectsCollection staticObjects;
  48                 int timeout;
  49                 bool newSession;
  50                 bool isCookieless;
  51                 SessionStateMode mode;
  52                 bool isReadOnly;
  53                 internal bool abandoned;
  54                 ISessionStateItemCollection sessionItems;
  55                 HttpCookieMode cookieMode;
  56
  57                 public HttpSessionStateContainer (string id,
  58                                                   ISessionStateItemCollection sessionItems,
  59                                                   HttpStaticObjectsCollection staticObjects,
  60                                                   int timeout,
  61                                                   bool newSession,
  62                                                   HttpCookieMode cookieMode,
  63                                                   SessionStateMode mode,
  64                                                   bool isReadonly)
  65                 {
  66                         if (id == null)
  67                                 throw new ArgumentNullException ("id");
  68
  69                         this.sessionItems = sessionItems;
  70                         this.id = id;
  71                         this.staticObjects = staticObjects;
  72                         this.timeout = timeout;
  73                         this.newSession = newSession;
  74                         this.cookieMode = cookieMode;
  75                         this.mode = mode;
  76                         this.isReadOnly = isReadonly;
  77                         this.isCookieless = cookieMode == HttpCookieMode.UseUri;
  78                 }
  79
  80                 public int CodePage {
  81                         get {
  82                                 HttpContext current = HttpContext.Current;
  83                                 if (current == null)
  84                                         return Encoding.Default.CodePage;
  85
  86                                 return current.Response.ContentEncoding.CodePage;
  87                         }
  88
  89                         set {
  90                                 HttpContext current = HttpContext.Current;
  91                                 if (current != null)
  92                                         current.Response.ContentEncoding = Encoding.GetEncoding (value);
  93                         }
  94                 }
  95
  96                 public HttpCookieMode CookieMode {
  97                         get { return cookieMode; }
  98                 }
  99
 100                 public int Count {
 101                         get {
 102                                 if (sessionItems != null)
 103                                         return sessionItems.Count;
 104                                 return 0;
 105                         }
 106                 }
 107
 108                 public bool IsAbandoned {
 109                         get { return abandoned; }
 110                 }
 111
 112                 public bool IsCookieless {
 113                         get { return isCookieless; }
 114                 }
 115
 116                 public bool IsNewSession {
 117                         get { return newSession; }
 118                 }
 119
 120                 public bool IsReadOnly {
 121                         get { return isReadOnly; }
 122                 }
 123
 124                 public bool IsSynchronized {
 125                         get { return false; }
 126                 }
 127
 128                 object IHttpSessionState.this [int index] {
 129                         get {
 130                                 if (sessionItems == null || sessionItems.Count == 0)
 131                                         return null;
 132                                 return sessionItems [index];
 133                         }
 134
 135                         set {
 136                                 if (sessionItems != null)
 137                                         sessionItems [index] = value;
 138                         }
 139                 }
 140
 141                 object IHttpSessionState.this [string name] {
 142                         get {
 143                                 if (sessionItems == null || sessionItems.Count == 0)
 144                                         return null;
 145                                 return sessionItems [name];
 146                         }
 147
 148                         set {
 149                                 if (sessionItems != null)
 150                                         sessionItems [name] = value;
 151                         }
 152                 }
 153
 154                 NameObjectCollectionBase.KeysCollection IHttpSessionState.Keys {
 155                         get {
 156                                 if (sessionItems != null)
 157                                         return sessionItems.Keys;
 158                                 return null;
 159                         }
 160                 }
 161
 162                 public int LCID {
 163                         get { return Thread.CurrentThread.CurrentCulture.LCID; }
 164                         set { Thread.CurrentThread.CurrentCulture = new CultureInfo(value); }
 165                 }
 166
 167                 public SessionStateMode Mode {
 168                         get { return mode; }
 169                 }
 170
 171                 public string SessionID {
 172                         get { return id; }
 173                 }
 174
 175                 public HttpStaticObjectsCollection StaticObjects {
 176                         get { return staticObjects; }
 177                 }
 178
 179                 public Object SyncRoot {
 180                         get { return this; }
 181                 }
 182
 183                 public int Timeout {
 184                         get { return timeout; }
 185                         set {
 186                                 if (value < 1)
 187                                         throw new ArgumentException ("The argument to SetTimeout must be greater than 0.");
 188                                 timeout = value;
 189                         }
 190                 }
 191
 192                 internal void SetNewSession (bool value)
 193                 {
 194                         newSession = value;
 195                 }
 196
 197                 public void Abandon ()
 198                 {
 199                         abandoned = true;
 200                 }
 201
 202                 public void Add (string name, Object value)
 203                 {
 204                         if (sessionItems == null)
 205                                 return;
 206                         sessionItems [name] = value;
 207                 }
 208
 209                 public void Clear ()
 210                 {
 211                         if (sessionItems == null)
 212                                 return;
 213                         sessionItems.Clear ();
 214                 }
 215
 216                 public void CopyTo (Array array, int index)
 217                 {
 218                         if (sessionItems == null)
 219                                 return;
 220                         NameObjectCollectionBase.KeysCollection all = sessionItems.Keys;
 221                         for (int i = 0; i < all.Count; i++)
 222                                 array.SetValue (all.Get(i), i + index);
 223                 }
 224
 225                 public IEnumerator GetEnumerator ()
 226                 {
 227                         if (sessionItems == null)
 228                                 return null;
 229                         return sessionItems.GetEnumerator ();
 230                 }
 231
 232                 public void Remove (string name)
 233                 {
 234                         if (sessionItems == null)
 235                                 return;
 236                         sessionItems.Remove (name);
 237                 }
 238
 239                 public void RemoveAll ()
 240                 {
 241                         if (sessionItems == null)
 242                                 return;
 243                         sessionItems.Clear ();
 244                 }
 245
 246                 public void RemoveAt (int index)
 247                 {
 248                         if (sessionItems == null)
 249                                 return;
 250                         sessionItems.RemoveAt (index);
 251                 }
 252         }
 253 }
 254 #endif