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 \r
  38 namespace Mainsoft.Web.SessionState\r
  39 {\r
  40         public sealed partial class ServletSessionStateStoreProvider\r
  41         {\r
  42                 sealed class ServletSessionStateItemCollection : ISessionStateItemCollection, java.io.Externalizable\r
  43                 {\r
  44                         SessionStateItemCollection _items;\r
  45                         HttpStaticObjectsCollection _staticObjects;\r
  46                         bool _needSessionPersistence;\r
  47 \r
  48                         public ServletSessionStateItemCollection () {} // For Java deserialization\r
  49 \r
  50                         public ServletSessionStateItemCollection (HttpContext context)\r
  51                                 : this () {\r
  52 \r
  53                                 _items = new SessionStateItemCollection ();\r
  54                                 _staticObjects = new HttpStaticObjectsCollection ();\r
  55 \r
  56                                 if (context != null) {\r
  57                                         ServletConfig config = ServletSessionStateStoreProvider.GetWorkerRequest (context).Servlet.getServletConfig ();\r
  58                                         string sessionPersistance = J2EEUtils.GetInitParameterByHierarchy(config, J2EEConsts.Enable_Session_Persistency);\r
  59                                         if (sessionPersistance == null)\r
  60                                                 sessionPersistance = config.getServletContext().getInitParameter (J2EEConsts.Enable_Session_Persistency);\r
  61                                         if (sessionPersistance != null) {\r
  62                                                 try {\r
  63                                                         _needSessionPersistence = Boolean.Parse (sessionPersistance);\r
  64                                                 }\r
  65                                                 catch (Exception) {\r
  66                                                         _needSessionPersistence = false;\r
  67 #if DEBUG\r
  68                                                         Console.WriteLine ("EnableSessionPersistency init param's value is invalid. the value is " + sessionPersistance);\r
  69 #endif\r
  70                                                 }\r
  71                                         }\r
  72                                 }\r
  73                         }\r
  74 \r
  75                         public HttpStaticObjectsCollection StaticObjects {\r
  76                                 get { return _staticObjects; }\r
  77                         }\r
  78                         #region ISessionStateItemCollection Members\r
  79 \r
  80                         public void Clear () {\r
  81                                 _items.Clear ();\r
  82                         }\r
  83 \r
  84                         public bool Dirty {\r
  85                                 get {\r
  86                                         return _items.Dirty;\r
  87                                 }\r
  88                                 set {\r
  89                                         _items.Dirty = value;\r
  90                                 }\r
  91                         }\r
  92 \r
  93                         public System.Collections.Specialized.NameObjectCollectionBase.KeysCollection Keys {\r
  94                                 get { return _items.Keys; }\r
  95                         }\r
  96 \r
  97                         public void Remove (string name) {\r
  98                                 _items.Remove (name);\r
  99                         }\r
 100 \r
 101                         public void RemoveAt (int index) {\r
 102                                 _items.RemoveAt (index);\r
 103                         }\r
 104 \r
 105                         public object this [int index] {\r
 106                                 get {\r
 107                                         return _items [index];\r
 108                                 }\r
 109                                 set {\r
 110                                         _items [index] = value;\r
 111                                 }\r
 112                         }\r
 113 \r
 114                         public object this [string name] {\r
 115                                 get {\r
 116                                         return _items [name];\r
 117                                 }\r
 118                                 set {\r
 119                                         _items [name] = value;\r
 120                                 }\r
 121                         }\r
 122 \r
 123                         #endregion\r
 124 \r
 125                         #region ICollection Members\r
 126 \r
 127                         public void CopyTo (Array array, int index) {\r
 128                                 ((ICollection) _items).CopyTo (array, index);\r
 129                         }\r
 130 \r
 131                         public int Count {\r
 132                                 get { return ((ICollection) _items).Count; }\r
 133                         }\r
 134 \r
 135                         public bool IsSynchronized {\r
 136                                 get { return ((ICollection) _items).IsSynchronized; }\r
 137                         }\r
 138 \r
 139                         public object SyncRoot {\r
 140                                 get { return ((ICollection) _items).SyncRoot; }\r
 141                         }\r
 142 \r
 143                         #endregion\r
 144 \r
 145                         #region IEnumerable Members\r
 146 \r
 147                         public System.Collections.IEnumerator GetEnumerator () {\r
 148                                 return ((IEnumerable) _items).GetEnumerator ();\r
 149                         }\r
 150 \r
 151                         #endregion\r
 152 \r
 153                         #region Externalizable Members\r
 154 \r
 155                         public void readExternal (java.io.ObjectInput input) {\r
 156                                 lock (this) {\r
 157                                         _needSessionPersistence = input.readBoolean ();\r
 158                                         if (!_needSessionPersistence) { //nothing has been written \r
 159                                                 if (_items == null)\r
 160                                                         _items = new SessionStateItemCollection ();\r
 161                                                 if (_staticObjects == null)\r
 162                                                         _staticObjects = new HttpStaticObjectsCollection ();\r
 163                                                 return;\r
 164                                         }\r
 165 \r
 166                                         ObjectInputStream ms = new ObjectInputStream (input);\r
 167                                         System.IO.BinaryReader br = new System.IO.BinaryReader (ms);\r
 168                                         _items = SessionStateItemCollection.Deserialize (br);\r
 169                                         _staticObjects = HttpStaticObjectsCollection.Deserialize (br);\r
 170                                 }\r
 171                         }\r
 172 \r
 173                         public void writeExternal (java.io.ObjectOutput output) {\r
 174                                 lock (this) {\r
 175                                         output.writeBoolean (_needSessionPersistence);\r
 176                                         if (!_needSessionPersistence)\r
 177                                                 //indicates that there is nothing to serialize for this object\r
 178                                                 return;\r
 179 \r
 180                                         ObjectOutputStream ms = new ObjectOutputStream (output);\r
 181                                         System.IO.BinaryWriter bw = new System.IO.BinaryWriter (ms);\r
 182                                         _items.Serialize (bw);\r
 183                                         _staticObjects.Serialize (bw);\r
 184                                 }\r
 185                         }\r
 186 \r
 187                         #endregion\r
 188                 }\r
 189         }\r
 190 }\r