mcs/class/System.Runtime.Serialization/ReferenceSources/XmlDataContract_static.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Reflection;
   5 using System.Xml;
   6 using System.Xml.Serialization;
   7
   8 namespace System.Runtime.Serialization
   9 {
  10         internal partial class XmlDataContract
  11         {
  12         internal CreateXmlSerializableDelegate GenerateCreateXmlSerializableDelegate()
  13         {
  14                                 return () => new XmlDataContractInterpreter (this).CreateXmlSerializable ();
  15                 }
  16         }
  17
  18         internal class XmlDataContractInterpreter
  19         {
  20                 XmlDataContract contract;
  21
  22                 public XmlDataContractInterpreter (XmlDataContract contract)
  23                 {
  24                         this.contract = contract;
  25                 }
  26
  27                 public IXmlSerializable CreateXmlSerializable ()
  28                 {
  29                         Type type = contract.UnderlyingType;
  30                         object value = null;
  31                         if (type.IsValueType)
  32                                 value = FormatterServices.GetUninitializedObject (type);
  33                         else
  34                                 value = GetConstructor ().Invoke (new object [0]);
  35                         return (IXmlSerializable) value;
  36                 }
  37
  38                 ConstructorInfo GetConstructor ()
  39                 {
  40                         Type type = contract.UnderlyingType;
  41
  42                         if (type.IsValueType)
  43                                 return null;
  44
  45                         ConstructorInfo ctor = type.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public, null, Globals.EmptyTypeArray, null);
  46                         if (ctor == null)
  47                                 throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.GetString(SR.IXmlSerializableMustHaveDefaultConstructor, DataContract.GetClrTypeFullName(type))));
  48
  49                         return ctor;
  50                 }
  51         }
  52 }
  53