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

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   3 // Note: this class was superseded by MemberInfoSerializationHolder but\r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