mcs/class/corlib/System.Reflection/ReflectionSerializationHolder.cs

   1 // ReflectionSerializationHolder.cs.cs
   2 //
   3 // Author:
   4 //  Patrik Torstensson
   5 //
   6 // (C) 2003 Patrik Torstensson
   7
   8 //
   9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 \r
  31 using System;\r
  32 using System.Runtime.Serialization;\r
  33 \r
  34 namespace System.Reflection\r
  35 {\r
  36         [Serializable]\r
  37         internal class ReflectionSerializationHolder : IObjectReference, ISerializable\r
  38         {\r
  39                 string          _memberName;\r
  40                 string          _memberSignature;\r
  41                 MemberTypes     _memberType;\r
  42                 Type            _reflectedType;\r
  43 \r
  44                 ReflectionSerializationHolder(SerializationInfo info, StreamingContext ctx)\r
  45                 {\r
  46                         string assemblyName;\r
  47                         string typeName;\r
  48 \r
  49                         assemblyName = info.GetString("AssemblyName");\r
  50                         typeName = info.GetString("ClassName");\r
  51 \r
  52                         _memberName = info.GetString("Name");\r
  53                         _memberSignature = info.GetString("Signature");\r
  54                         _memberType = (MemberTypes) info.GetInt32("MemberType");\r
  55 \r
  56                         // Load type\r
  57                         Assembly asm = Assembly.Load(assemblyName);\r
  58 \r
  59                         _reflectedType = asm.GetType(typeName, true, true);\r
  60                 }\r
  61 \r
  62                 public static void Serialize(SerializationInfo info, String name, Type klass, String signature, MemberTypes type)\r
  63                 {\r
  64                         info.SetType( typeof(ReflectionSerializationHolder));\r
  65 \r
  66                         info.AddValue("AssemblyName", klass.Module.Assembly.FullName, typeof(String));\r
  67                         info.AddValue("ClassName", klass.FullName, typeof(String));\r
  68 \r
  69                         info.AddValue("Name", name, typeof(String));\r
  70                         info.AddValue("Signature", signature, typeof(String));\r
  71                         info.AddValue("MemberType",(int)type);\r
  72                 }\r
  73 \r
  74                 public void GetObjectData(SerializationInfo info, StreamingContext context)\r
  75                 {\r
  76                         throw new NotSupportedException();\r
  77                 }\r
  78 \r
  79                 public object GetRealObject(StreamingContext context)\r
  80                 {\r
  81                         switch (_memberType) \r
  82                         {\r
  83                                 case MemberTypes.Constructor:\r
  84                                         ConstructorInfo [] ctors;\r
  85 \r
  86                                         ctors = _reflectedType.GetConstructors (BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);\r
  87                                         for (int i = 0; i < ctors.Length; i++) \r
  88                                                 if ( ctors[i].ToString().Equals(_memberSignature)) \r
  89                                                         return ctors[i];\r
  90 \r
  91                                         throw new SerializationException("Failed to find serialized constructor");\r
  92 \r
  93                                 case MemberTypes.Method:\r
  94                                         MethodInfo [] methods;\r
  95 \r
  96                                         methods = _reflectedType.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);\r
  97                                         for (int i = 0; i < methods.Length; i++) \r
  98                                                 if ((methods[i]).ToString().Equals(_memberSignature)) \r
  99                                                         return methods[i];\r
 100 \r
 101                                         throw new SerializationException("Failed to find serialized method");\r
 102                                 default:\r
 103                                         throw new SerializationException("Failed to get object for member type " + _memberType.ToString());\r
 104                         }\r
 105                 }\r
 106         }\r
 107 }\r