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                 }
  78
  79                 public int CodePage {
  80                         get {
  81                                 HttpContext current = HttpContext.Current;
  82                                 if (current == null)
  83                                         return Encoding.Default.CodePage;
  84
  85                                 return current.Response.ContentEncoding.CodePage;
  86                         }
  87
  88                         set {
  89                                 HttpContext current = HttpContext.Current;
  90                                 if (current != null)
  91                                         current.Response.ContentEncoding = Encoding.GetEncoding (value);
  92                         }
  93                 }
  94
  95                 public HttpCookieMode CookieMode {
  96                         get { return cookieMode; }
  97                 }
  98
  99                 public int Count {
 100                         get {
 101                                 if (sessionItems != null)
 102                                         return sessionItems.Count;
 103                                 return 0;
 104                         }
 105                 }
 106
 107                 public bool IsAbandoned {
 108                         get { return abandoned; }
 109                 }
 110
 111                 public bool IsCookieless {
 112                         get { return isCookieless; }
 113                 }
 114
 115                 public bool IsNewSession {
 116                         get { return newSession; }
 117                 }
 118
 119                 public bool IsReadOnly {
 120                         get { return isReadOnly; }
 121                 }
 122
 123                 public bool IsSynchronized {
 124                         get { return false; }
 125                 }
 126
 127                 object IHttpSessionState.this [int index] {
 128                         get {
 129                                 if (sessionItems == null || sessionItems.Count == 0)
 130                                         return null;
 131                                 return sessionItems [index];
 132                         }
 133
 134                         set {
 135                                 if (sessionItems != null)
 136                                         sessionItems [index] = value;
 137                         }
 138                 }
 139
 140                 object IHttpSessionState.this [string name] {
 141                         get {
 142                                 if (sessionItems == null || sessionItems.Count == 0)
 143                                         return null;
 144                                 return sessionItems [name];
 145                         }
 146
 147                         set {
 148                                 if (sessionItems != null)
 149                                         sessionItems [name] = value;
 150                         }
 151                 }
 152
 153                 NameObjectCollectionBase.KeysCollection IHttpSessionState.Keys {
 154                         get {
 155                                 if (sessionItems != null)
 156                                         return sessionItems.Keys;
 157                                 return null;
 158                         }
 159                 }
 160
 161                 public int LCID {
 162                         get { return Thread.CurrentThread.CurrentCulture.LCID; }
 163                         set { Thread.CurrentThread.CurrentCulture = new CultureInfo(value); }
 164                 }
 165
 166                 public SessionStateMode Mode {
 167                         get { return mode; }
 168                 }
 169
 170                 public string SessionID {
 171                         get { return id; }
 172                 }
 173
 174                 public HttpStaticObjectsCollection StaticObjects {
 175                         get { return staticObjects; }
 176                 }
 177
 178                 public Object SyncRoot {
 179                         get { return this; }
 180                 }
 181
 182                 public int Timeout {
 183                         get { return timeout; }
 184                         set {
 185                                 if (value < 1)
 186                                         throw new ArgumentException ("The argument to SetTimeout must be greater than 0.");
 187                                 timeout = value;
 188                         }
 189                 }
 190
 191                 internal void SetNewSession (bool value)
 192                 {
 193                         newSession = value;
 194                 }
 195
 196                 public void Abandon ()
 197                 {
 198                         abandoned = true;
 199                 }
 200
 201                 public void Add (string name, Object value)
 202                 {
 203                         if (sessionItems == null)
 204                                 return;
 205                         sessionItems [name] = value;
 206                 }
 207
 208                 public void Clear ()
 209                 {
 210                         if (sessionItems == null)
 211                                 return;
 212                         sessionItems.Clear ();
 213                 }
 214
 215                 public void CopyTo (Array array, int index)
 216                 {
 217                         if (sessionItems == null)
 218                                 return;
 219                         NameObjectCollectionBase.KeysCollection all = sessionItems.Keys;
 220                         for (int i = 0; i < all.Count; i++)
 221                                 array.SetValue (all.Get(i), i + index);
 222                 }
 223
 224                 public IEnumerator GetEnumerator ()
 225                 {
 226                         if (sessionItems == null)
 227                                 return null;
 228                         return sessionItems.GetEnumerator ();
 229                 }
 230
 231                 public void Remove (string name)
 232                 {
 233                         if (sessionItems == null)
 234                                 return;
 235                         sessionItems.Remove (name);
 236                 }
 237
 238                 public void RemoveAll ()
 239                 {
 240                         if (sessionItems == null)
 241                                 return;
 242                         sessionItems.Clear ();
 243                 }
 244
 245                 public void RemoveAt (int index)
 246                 {
 247                         if (sessionItems == null)
 248                                 return;
 249                         sessionItems.RemoveAt (index);
 250                 }
 251         }
 252 }
 253 #endif