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

   1 // ReflectionSerializationHolder.cs.cs
   2 //
   3 // Author:
   4 //  Patrik Torstensson
   5 //
   6 // (C) 2003 Patrik Torstensson
   7 \r
   8 using System;\r
   9 using System.Runtime.Serialization;\r
  10 \r
  11 namespace System.Reflection\r
  12 {\r
  13         [Serializable]\r
  14         internal class ReflectionSerializationHolder : IObjectReference, ISerializable\r
  15         {\r
  16                 string          _memberName;\r
  17                 string          _memberSignature;\r
  18                 MemberTypes     _memberType;\r
  19                 Type            _reflectedType;\r
  20 \r
  21                 ReflectionSerializationHolder(SerializationInfo info, StreamingContext ctx)\r
  22                 {\r
  23                         string assemblyName;\r
  24                         string typeName;\r
  25 \r
  26                         assemblyName = info.GetString("AssemblyName");\r
  27                         typeName = info.GetString("ClassName");\r
  28 \r
  29                         _memberName = info.GetString("Name");\r
  30                         _memberSignature = info.GetString("Signature");\r
  31                         _memberType = (MemberTypes) info.GetInt32("MemberType");\r
  32 \r
  33                         // Load type\r
  34                         Assembly asm = Assembly.Load(assemblyName);\r
  35 \r
  36                         _reflectedType = asm.GetType(typeName, true, true);\r
  37                 }\r
  38 \r
  39                 public static void Serialize(SerializationInfo info, String name, Type klass, String signature, MemberTypes type)\r
  40                 {\r
  41                         info.SetType( typeof(ReflectionSerializationHolder));\r
  42 \r
  43                         info.AddValue("AssemblyName", klass.Module.Assembly.FullName, typeof(String));\r
  44                         info.AddValue("ClassName", klass.FullName, typeof(String));\r
  45 \r
  46                         info.AddValue("Name", name, typeof(String));\r
  47                         info.AddValue("Signature", signature, typeof(String));\r
  48                         info.AddValue("MemberType",(int)type);\r
  49                 }\r
  50 \r
  51                 public void GetObjectData(SerializationInfo info, StreamingContext context)\r
  52                 {\r
  53                         throw new NotSupportedException();\r
  54                 }\r
  55 \r
  56                 public object GetRealObject(StreamingContext context)\r
  57                 {\r
  58                         switch (_memberType) \r
  59                         {\r
  60                                 case MemberTypes.Constructor:\r
  61                                         ConstructorInfo [] ctors;\r
  62 \r
  63                                         ctors = _reflectedType.GetConstructors (BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);\r
  64                                         for (int i = 0; i < ctors.Length; i++) \r
  65                                                 if ( ctors[i].ToString().Equals(_memberSignature)) \r
  66                                                         return ctors[i];\r
  67 \r
  68                                         throw new SerializationException("Failed to find serialized constructor");\r
  69 \r
  70                                 case MemberTypes.Method:\r
  71                                         MethodInfo [] methods;\r
  72 \r
  73                                         methods = _reflectedType.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);\r
  74                                         for (int i = 0; i < methods.Length; i++) \r
  75                                                 if ((methods[i]).ToString().Equals(_memberSignature)) \r
  76                                                         return methods[i];\r
  77 \r
  78                                         throw new SerializationException("Failed to find serialized method");\r
  79                                 default:\r
  80                                         throw new SerializationException("Failed to get object for member type " + _memberType.ToString());\r
  81                         }\r
  82                 }\r
  83         }\r
  84 }\r