mcs/class/System.Runtime.Remoting/System.Runtime.Remoting.Channels/BinaryCore.cs

   1 //
   2 // System.Runtime.Remoting.Channels.BinaryCore.cs
   3 //
   4 // Author: Lluis Sanchez Gual (lluis@ximian.com)
   5 //
   6 // 2003 (C) Copyright, Novell, Inc.
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.Runtime.Remoting.Messaging;
  32 using System.Runtime.Serialization;
  33 using System.Runtime.Serialization.Formatters;
  34 using System.Runtime.Serialization.Formatters.Binary;
  35
  36 namespace System.Runtime.Remoting.Channels
  37 {
  38         internal class BinaryCore
  39         {
  40                 BinaryFormatter _serializationFormatter;
  41                 BinaryFormatter _deserializationFormatter;
  42                 bool _includeVersions = true;
  43                 bool _strictBinding = false;
  44                 IDictionary _properties;
  45
  46 #if NET_1_1
  47                 TypeFilterLevel _filterLevel = TypeFilterLevel.Low;
  48 #endif
  49
  50                 public static BinaryCore DefaultInstance = new BinaryCore ();
  51
  52                 public BinaryCore (object owner, IDictionary properties, string[] allowedProperties)
  53                 {
  54                         _properties = properties;
  55
  56                         foreach(DictionaryEntry property in properties)
  57                         {
  58                                 string key = (string) property.Key;
  59                                 if (Array.IndexOf (allowedProperties, key) == -1)
  60                                         throw new RemotingException (owner.GetType().Name + " does not recognize '" + key + "' configuration property");
  61
  62                                 switch (key)
  63                                 {
  64                                         case "includeVersions":
  65                                                 _includeVersions = Convert.ToBoolean (property.Value);
  66                                                 break;
  67
  68                                         case "strictBinding":
  69                                                 _strictBinding = Convert.ToBoolean (property.Value);
  70                                                 break;
  71
  72 #if NET_1_1
  73                                         case "typeFilterLevel":
  74                                                 if (property.Value is TypeFilterLevel)
  75                                                         _filterLevel = (TypeFilterLevel) property.Value;
  76                                                 else {
  77                                                         string s = (string) property.Value;
  78                                                         _filterLevel = (TypeFilterLevel) Enum.Parse (typeof(TypeFilterLevel), s);
  79                                                 }
  80                                                 break;
  81 #endif
  82
  83                                 }
  84                         }
  85
  86                         Init ();
  87                 }
  88
  89                 public BinaryCore ()
  90                 {
  91                         _properties = new Hashtable ();
  92                         Init ();
  93                 }
  94
  95                 public void Init ()
  96                 {
  97                         RemotingSurrogateSelector surrogateSelector = new RemotingSurrogateSelector ();
  98                         StreamingContext context = new StreamingContext (StreamingContextStates.Remoting, null);
  99
 100                         _serializationFormatter = new BinaryFormatter (surrogateSelector, context);
 101                         _deserializationFormatter = new BinaryFormatter (null, context);
 102
 103 #if NET_1_1
 104                         _serializationFormatter.FilterLevel = _filterLevel;
 105                         _deserializationFormatter.FilterLevel = _filterLevel;
 106 #endif
 107
 108                         if (!_includeVersions)
 109                         {
 110                                 _serializationFormatter.AssemblyFormat = FormatterAssemblyStyle.Simple;
 111                                 _deserializationFormatter.AssemblyFormat = FormatterAssemblyStyle.Simple;
 112                         }
 113
 114                         if (!_strictBinding)
 115                         {
 116                                 _serializationFormatter.Binder = ChannelCore.SimpleBinder;
 117                                 _deserializationFormatter.Binder = ChannelCore.SimpleBinder;
 118                         }
 119                 }
 120
 121                 public BinaryFormatter Serializer
 122                 {
 123                         get { return _serializationFormatter; }
 124                 }
 125
 126                 public BinaryFormatter Deserializer
 127                 {
 128                         get { return _deserializationFormatter; }
 129                 }
 130
 131                 public IDictionary Properties
 132                 {
 133                         get { return _properties; }
 134                 }
 135
 136 #if NET_1_1
 137                 public TypeFilterLevel TypeFilterLevel
 138                 {
 139                         get { return _filterLevel; }
 140                 }
 141 #endif
 142         }
 143 }
 144