mcs/class/Mainsoft.Web/Mainsoft.Web.SessionState/ServletSessionStateItemCollection.cs

   1 //\r
   2 // (C) 2006 Mainsoft Corporation (http://www.mainsoft.com)\r
   3 // Author: Konstantin Triger <kostat@mainsoft.com>\r
   4 //\r
   5 \r
   6 //\r
   7 // Permission is hereby granted, free of charge, to any person obtaining\r
   8 // a copy of this software and associated documentation files (the\r
   9 // "Software"), to deal in the Software without restriction, including\r
  10 // without limitation the rights to use, copy, modify, merge, publish,\r
  11 // distribute, sublicense, and/or sell copies of the Software, and to\r
  12 // permit persons to whom the Software is furnished to do so, subject to\r
  13 // the following conditions:\r
  14 //\r
  15 // The above copyright notice and this permission notice shall be\r
  16 // included in all copies or substantial portions of the Software.\r
  17 //\r
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  25 //\r
  26 \r
  27 using System;\r
  28 using System.Collections;\r
  29 using System.Collections.Generic;\r
  30 using System.Text;\r
  31 using System.Web.SessionState;\r
  32 using System.Web;\r
  33 using System.Threading;\r
  34 \r
  35 using javax.servlet;\r
  36 using javax.servlet.http;\r
  37 using System.Diagnostics;\r
  38 using Mainsoft.Web.Hosting;\r
  39 \r
  40 namespace Mainsoft.Web.SessionState\r
  41 {\r
  42         /// <summary>\r
  43         /// <para>This class supports the Framework infrastructure and is not intended to be used directly from your code.</para>\r
  44         /// </summary>\r
  45         public sealed partial class ServletSessionStateStoreProvider\r
  46         {\r
  47                 sealed class ServletSessionStateItemCollection : ISessionStateItemCollection, java.io.Externalizable\r
  48                 {\r
  49                         SessionStateItemCollection _items;\r
  50                         HttpStaticObjectsCollection _staticObjects;\r
  51                         bool _needSessionPersistence;\r
  52 \r
  53                         public ServletSessionStateItemCollection () {} // For Java deserialization\r
  54 \r
  55                         public ServletSessionStateItemCollection (HttpContext context)\r
  56                                 : this () {\r
  57 \r
  58                                 _items = new SessionStateItemCollection ();\r
  59                                 _staticObjects = new HttpStaticObjectsCollection ();\r
  60 \r
  61                                 if (context != null) {\r
  62                                         ServletContext servletContext = J2EEUtils.GetWorkerRequest (context).GetContext ();\r
  63                                         string sessionPersistance = servletContext.getInitParameter (J2EEConsts.Enable_Session_Persistency);\r
  64                                         if (sessionPersistance != null) {\r
  65                                                 try {\r
  66                                                         _needSessionPersistence = Boolean.Parse (sessionPersistance);\r
  67                                                 }\r
  68                                                 catch (Exception) {\r
  69                                                         _needSessionPersistence = false;\r
  70                                                         Debug.WriteLine ("EnableSessionPersistency init param's value is invalid. the value is " + sessionPersistance);\r
  71                                                 }\r
  72                                         }\r
  73                                 }\r
  74                         }\r
  75 \r
  76                         public HttpStaticObjectsCollection StaticObjects {\r
  77                                 get { return _staticObjects; }\r
  78                         }\r
  79                         #region ISessionStateItemCollection Members\r
  80 \r
  81                         public void Clear () {\r
  82                                 _items.Clear ();\r
  83                         }\r
  84 \r
  85                         public bool Dirty {\r
  86                                 get {\r
  87                                         return _items.Dirty;\r
  88                                 }\r
  89                                 set {\r
  90                                         _items.Dirty = value;\r
  91                                 }\r
  92                         }\r
  93 \r
  94                         public System.Collections.Specialized.NameObjectCollectionBase.KeysCollection Keys {\r
  95                                 get { return _items.Keys; }\r
  96                         }\r
  97 \r
  98                         public void Remove (string name) {\r
  99                                 _items.Remove (name);\r
 100                         }\r
 101 \r
 102                         public void RemoveAt (int index) {\r
 103                                 _items.RemoveAt (index);\r
 104                         }\r
 105 \r
 106                         public object this [int index] {\r
 107                                 get {\r
 108                                         return _items [index];\r
 109                                 }\r
 110                                 set {\r
 111                                         _items [index] = value;\r
 112                                 }\r
 113                         }\r
 114 \r
 115                         public object this [string name] {\r
 116                                 get {\r
 117                                         return _items [name];\r
 118                                 }\r
 119                                 set {\r
 120                                         _items [name] = value;\r
 121                                 }\r
 122                         }\r
 123 \r
 124                         #endregion\r
 125 \r
 126                         #region ICollection Members\r
 127 \r
 128                         public void CopyTo (Array array, int index) {\r
 129                                 ((ICollection) _items).CopyTo (array, index);\r
 130                         }\r
 131 \r
 132                         public int Count {\r
 133                                 get { return ((ICollection) _items).Count; }\r
 134                         }\r
 135 \r
 136                         public bool IsSynchronized {\r
 137                                 get { return ((ICollection) _items).IsSynchronized; }\r
 138                         }\r
 139 \r
 140                         public object SyncRoot {\r
 141                                 get { return ((ICollection) _items).SyncRoot; }\r
 142                         }\r
 143 \r
 144                         #endregion\r
 145 \r
 146                         #region IEnumerable Members\r
 147 \r
 148                         public System.Collections.IEnumerator GetEnumerator () {\r
 149                                 return ((IEnumerable) _items).GetEnumerator ();\r
 150                         }\r
 151 \r
 152                         #endregion\r
 153 \r
 154                         #region Externalizable Members\r
 155 \r
 156                         public void readExternal (java.io.ObjectInput input) {\r
 157                                 lock (this) {\r
 158                                         _needSessionPersistence = input.readBoolean ();\r
 159                                         if (!_needSessionPersistence) { //nothing has been written \r
 160                                                 if (_items == null)\r
 161                                                         _items = new SessionStateItemCollection ();\r
 162                                                 if (_staticObjects == null)\r
 163                                                         _staticObjects = new HttpStaticObjectsCollection ();\r
 164                                                 return;\r
 165                                         }\r
 166 \r
 167                                         ObjectInputStream ms = new ObjectInputStream (input);\r
 168                                         System.IO.BinaryReader br = new System.IO.BinaryReader (ms);\r
 169                                         _items = SessionStateItemCollection.Deserialize (br);\r
 170                                         _staticObjects = HttpStaticObjectsCollection.Deserialize (br);\r
 171                                 }\r
 172                         }\r
 173 \r
 174                         public void writeExternal (java.io.ObjectOutput output) {\r
 175                                 lock (this) {\r
 176                                         output.writeBoolean (_needSessionPersistence);\r
 177                                         if (!_needSessionPersistence)\r
 178                                                 //indicates that there is nothing to serialize for this object\r
 179                                                 return;\r
 180 \r
 181                                         ObjectOutputStream ms = new ObjectOutputStream (output);\r
 182                                         System.IO.BinaryWriter bw = new System.IO.BinaryWriter (ms);\r
 183                                         _items.Serialize (bw);\r
 184                                         _staticObjects.Serialize (bw);\r
 185                                 }\r
 186                         }\r
 187 \r
 188                         #endregion\r
 189                 }\r
 190         }\r
 191 }\r