XmlTypeMappingとは? わかりやすく解説

XmlTypeMapping クラス

1 つの型から別の型への割り当て格納します

名前空間: System.Xml.Serialization
アセンブリ: System.Xml (system.xml.dll 内)
構文構文

Public Class XmlTypeMapping
    Inherits XmlMapping
Dim instance As XmlTypeMapping
public class XmlTypeMapping : XmlMapping
public ref class XmlTypeMapping : public
 XmlMapping
public class XmlTypeMapping extends XmlMapping
public class XmlTypeMapping extends
 XmlMapping
解説解説
使用例使用例

Vehicle という名前のフィールド含まれている Transportation という名前のクラスインスタンスシリアル化する例を次に示します。このフィールドには、SoapElementAttribute が適用されています。このフィールドシリアル化されると、その XML 要素名は "Vehicle" ではなく "Wheels" になりますSerializeOverride メソッドは、SoapElementAttribute作成し、SoapAttributes の SoapElement プロパティに、作成した SoapElementAttribute設定します。この SoapAttributes が、XmlTypeMapping作成するために使用される SoapAttributeOverrides に追加されます。作成されXmlTypeMapping使用して XmlSerializer構築されTransportation クラスインスタンスが再びシリアル化されますSoapElementAttribute使用してシリアル化オーバーライドされるため、生成されXML 要素の名前は "Wheels" ではなく "Truck" になります

Imports System
Imports System.IO
Imports System.Xml.Serialization
Imports System.Collections
Imports System.Xml
Imports System.Text
Public Class Transportation
   ' The SoapElementAttribute specifies that the
   ' generated XML element name will be "Wheels"
   ' instead of "Vehicle".
   <SoapElement("Wheels")> Public
 Vehicle As String 
   <SoapElement(DataType:= "dateTime")> _
   public CreationDate As DateTime    
   <SoapElement(IsNullable:= true)> _
   public thing As Thing
End Class

Public Class Thing
   <SoapElement(IsNullable:=true)> public ThingName As
 string 
End Class

Public Class Test

   Shared Sub Main()
      Dim t As Test = New
 Test()
      t.SerializeObject("SoapElementOriginalVb.xml")
      t.SerializeOverride("SoapElementOverrideVb.xml")
      Console.WriteLine("Finished writing two XML files.")
   End Sub

   ' Return an XmlSerializer used for overriding.
   Public Function CreateSoapOverrider() As
 XmlSerializer 
      ' Create the SoapAttributes and SoapAttributeOverrides objects.
      Dim soapAttrs As SoapAttributes = New
 SoapAttributes()

      Dim soapOverrides As SoapAttributeOverrides
 = _
      New SoapAttributeOverrides()
            
      ' Create a SoapElementAttribute to override 
      ' the Vehicles property. 
      Dim soapElement1 As SoapElementAttribute
 = _
      New SoapElementAttribute("Truck")
      ' Set the SoapElement to the object.
      soapAttrs.SoapElement= soapElement1

      ' Add the SoapAttributes to the SoapAttributeOverrides,
      ' specifying the member to override. 
      soapOverrides.Add(GetType(Transportation), "Vehicle",
 soapAttrs)
      
      ' Create the XmlSerializer, and return it.
      Dim myTypeMapping As XmlTypeMapping =
 (New _
      SoapReflectionImporter (soapOverrides)).ImportTypeMapping _
      (GetType(Transportation))
      return New XmlSerializer(myTypeMapping)
   End Function

   Public Sub SerializeOverride(filename As
 String)
      ' Create an XmlSerializer instance.
      Dim ser As XmlSerializer = CreateSoapOverrider()

      ' Create the object and serialize it.
      Dim myTransportation As Transportation
 = _
      New Transportation()

      myTransportation.Vehicle = "MyCar"
      myTransportation.CreationDate = DateTime.Now
      myTransportation.thing= new Thing()
      
      Dim writer As XmlTextWriter = _
      New XmlTextWriter(filename, Encoding.UTF8)
      writer.Formatting = Formatting.Indented
      writer.WriteStartElement("wrapper")
      ser.Serialize(writer, myTransportation)
      writer.WriteEndElement()
      writer.Close()
   End Sub

   Public Sub SerializeObject(filename As
 String)
      ' Create an XmlSerializer instance.
      Dim ser As XmlSerializer = _
      New XmlSerializer(GetType(Transportation))
      
      Dim myTransportation As Transportation
 = _
      New Transportation()
      
      myTransportation.Vehicle = "MyCar"
      myTransportation.CreationDate=DateTime.Now
      myTransportation.thing= new Thing()

      Dim writer As XmlTextWriter = _
      new XmlTextWriter(filename, Encoding.UTF8)
      writer.Formatting = Formatting.Indented
      writer.WriteStartElement("wrapper")
      ser.Serialize(writer, myTransportation)
      writer.WriteEndElement()
      writer.Close()
   End Sub
End Class
using System;
using System.IO;
using System.Xml.Serialization;
using System.Collections;
using System.Xml;
using System.Text;
public class Transportation
{
   // The SoapElementAttribute specifies that the
   // generated XML element name will be "Wheels"
   // instead of "Vehicle".
   [SoapElement("Wheels")]
   public string Vehicle;
   [SoapElement(DataType = "dateTime")]
   public DateTime CreationDate;
   [SoapElement(IsNullable = true)]
   public Thing thing;
   
}

public class Thing{ 
   [SoapElement(IsNullable=true)] public string
 ThingName;
}

public class Test
{
   public static void Main()
   {
      Test t = new Test();
      t.SerializeObject("SoapElementOriginal.xml");
      t.SerializeOverride("SoapElementOverride.xml");
      Console.WriteLine("Finished writing two XML files.");
   }

   // Return an XmlSerializer used for overriding.
   public XmlSerializer CreateSoapOverrider()
   {
      // Create the SoapAttributes and SoapAttributeOverrides objects.
      SoapAttributes soapAttrs = new SoapAttributes();

      SoapAttributeOverrides soapOverrides = 
      new SoapAttributeOverrides();
            
      /* Create an SoapElementAttribute to override 
      the Vehicles property. */
      SoapElementAttribute soapElement1 = 
      new SoapElementAttribute("Truck");
      // Set the SoapElement to the object.
      soapAttrs.SoapElement= soapElement1;

      /* Add the SoapAttributes to the SoapAttributeOverrides,
      specifying the member to override. */
      soapOverrides.Add(typeof(Transportation), "Vehicle", soapAttrs);
      
      // Create the XmlSerializer, and return it.
      XmlTypeMapping myTypeMapping = (new SoapReflectionImporter
      (soapOverrides)).ImportTypeMapping(typeof(Transportation));
      return new XmlSerializer(myTypeMapping);
   }

   public void SerializeOverride(string
 filename)
   {
      // Create an XmlSerializer instance.
      XmlSerializer ser = CreateSoapOverrider();

      // Create the object and serialize it.
      Transportation myTransportation = 
      new Transportation();

      myTransportation.Vehicle = "MyCar";
      myTransportation.CreationDate=DateTime.Now;
      myTransportation.thing = new Thing();

      XmlTextWriter writer = 
      new XmlTextWriter(filename, Encoding.UTF8);
      writer.Formatting = Formatting.Indented;
      writer.WriteStartElement("wrapper");
      ser.Serialize(writer, myTransportation);
      writer.WriteEndElement();
      writer.Close();
   }
   public void SerializeObject(string
 filename){
      // Create an XmlSerializer instance.
      XmlSerializer ser = new XmlSerializer(typeof(Transportation));
      Transportation myTransportation = 
      new Transportation();
      myTransportation.Vehicle = "MyCar";
      myTransportation.CreationDate = DateTime.Now;
      myTransportation.thing = new Thing();
      XmlTextWriter writer = 
      new XmlTextWriter(filename, Encoding.UTF8);
      writer.Formatting = Formatting.Indented;
      writer.WriteStartElement("wrapper");
      ser.Serialize(writer, myTransportation);
      writer.WriteEndElement();
      writer.Close();
   }
}
#using <System.Xml.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml::Serialization;
using namespace System::Collections;
using namespace System::Xml;
using namespace System::Text;
public ref class Thing
{
public:

   [SoapElement(IsNullable=true)]
   String^ ThingName;
};

public ref class Transportation
{
public:

   // The SoapElementAttribute specifies that the
   // generated XML element name will be S"Wheels"
   // instead of S"Vehicle".

   [SoapElement("Wheels")]
   String^ Vehicle;

   [SoapElement(DataType="dateTime")]
   DateTime CreationDate;

   [SoapElement(IsNullable=true)]
   Thing^ thing;
};

public ref class Test
{
public:

   // Return an XmlSerializer used for overriding.
   XmlSerializer^ CreateSoapOverrider()
   {
      // Create the SoapAttributes and SoapAttributeOverrides objects.
      SoapAttributes^ soapAttrs = gcnew SoapAttributes;
      SoapAttributeOverrides^ soapOverrides = gcnew SoapAttributeOverrides;

      // Create an SoapElementAttribute to the Vehicles property.
      SoapElementAttribute^ soapElement1 = gcnew SoapElementAttribute( "Truck"
 );

      // Set the SoapElement to the Object*.
      soapAttrs->SoapElement = soapElement1;

      // Add the SoapAttributes to the SoapAttributeOverrides,specifying
 the member to.
      soapOverrides->Add( Transportation::typeid, "Vehicle", soapAttrs
 );

      // Create the XmlSerializer, and return it.
      XmlTypeMapping^ myTypeMapping = (gcnew SoapReflectionImporter( soapOverrides
 ))->ImportTypeMapping( Transportation::typeid );
      return gcnew XmlSerializer( myTypeMapping );
   }

   void SerializeOverride( String^ filename )
   {
      // Create an XmlSerializer instance.
      XmlSerializer^ ser = CreateSoapOverrider();

      // Create the Object* and serialize it.
      Transportation^ myTransportation = gcnew Transportation;
      myTransportation->Vehicle = "MyCar";
      myTransportation->CreationDate = DateTime::Now;
      myTransportation->thing = gcnew Thing;
      XmlTextWriter^ writer = gcnew XmlTextWriter( filename,Encoding::UTF8 );
      writer->Formatting = Formatting::Indented;
      writer->WriteStartElement( "wrapper" );
      ser->Serialize( writer, myTransportation );
      writer->WriteEndElement();
      writer->Close();
   }

   void SerializeObject( String^ filename )
   {
      // Create an XmlSerializer instance.
      XmlSerializer^ ser = gcnew XmlSerializer( Transportation::typeid );
      Transportation^ myTransportation = gcnew Transportation;
      myTransportation->Vehicle = "MyCar";
      myTransportation->CreationDate = DateTime::Now;
      myTransportation->thing = gcnew Thing;
      XmlTextWriter^ writer = gcnew XmlTextWriter( filename,Encoding::UTF8 );
      writer->Formatting = Formatting::Indented;
      writer->WriteStartElement( "wrapper" );
      ser->Serialize( writer, myTransportation );
      writer->WriteEndElement();
      writer->Close();
   }
};

int main()
{
   Test^ t = gcnew Test;
   t->SerializeObject( "SoapElementOriginal.xml" );
   t->SerializeOverride( "SoapElementOverride.xml" );
   Console::WriteLine( "Finished writing two XML files." );
}
import System.*;
import System.IO.*;
import System.Xml.Serialization.*;
import System.Collections.*;
import System.Xml.*;
import System.Text.*;

public class Transportation
{
    // The SoapElementAttribute specifies that the
    // generated XML element name will be "Wheels"
    // instead of "Vehicle".
    /** @attribute SoapElement("Wheels")
     */
    public String vehicle;
    /** @attribute SoapElement(DataType = "dateTime")
     */
    public DateTime creationDate;
    /** @attribute SoapElement(IsNullable = true)
     */
    public Thing thing;
} //Transportation

public class Thing
{
    /** @attribute SoapElement(IsNullable = true)
     */
    public String thingName;
} //Thing

public class Test
{
    public static void main(String[]
 args)
    {
        Test t = new Test();
        t.SerializeObject("SoapElementOriginal.xml");
        t.SerializeOverride("SoapElementOverride.xml");
        Console.WriteLine("Finished writing two XML files.");
    } //main

    // Return an XmlSerializer used for overriding.
    public XmlSerializer CreateSoapOverrider()
    {
        // Create the SoapAttributes and SoapAttributeOverrides objects.
        SoapAttributes soapAttrs = new SoapAttributes();
        SoapAttributeOverrides soapOverrides = new SoapAttributeOverrides();

        /*  Create an SoapElementAttribute to override 
            the vehicles property. */
        SoapElementAttribute soapElement1 = new SoapElementAttribute("Truck");
        // Set the SoapElement to the object.
        soapAttrs.set_SoapElement(soapElement1);

        /*  Add the SoapAttributes to the SoapAttributeOverrides,
            specifying the member to override. */
        soapOverrides.Add(Transportation.class.ToType(), "Vehicle",
 soapAttrs);
        // Create the XmlSerializer, and return it.
        XmlTypeMapping myTypeMapping 
            = (new SoapReflectionImporter(soapOverrides)).
            ImportTypeMapping(Transportation.class.ToType());
        return new XmlSerializer(myTypeMapping);
    } //CreateSoapOverrider

    public void SerializeOverride(String fileName)
    {
        // Create an XmlSerializer instance.
        XmlSerializer ser = CreateSoapOverrider();
        // Create the object and serialize it.
        Transportation myTransportation = new Transportation();

        myTransportation.vehicle = "MyCar";
        myTransportation.creationDate = DateTime.get_Now();
        myTransportation.thing = new Thing();

        XmlTextWriter writer = new XmlTextWriter(fileName, 
            Encoding.get_UTF8());
        writer.set_Formatting(Formatting.Indented);
        writer.WriteStartElement("wrapper");
        ser.Serialize(writer, myTransportation);
        writer.WriteEndElement();
        writer.Close();
    } //SerializeOverride

    public void SerializeObject(String fileName)
    {
        // Create an XmlSerializer instance.
        XmlSerializer ser = new XmlSerializer(Transportation.class.ToType());
        Transportation myTransportation = new Transportation();
        myTransportation.vehicle = "MyCar";
        myTransportation.creationDate = DateTime.get_Now();
        myTransportation.thing = new Thing();
        XmlTextWriter writer = new XmlTextWriter(fileName, Encoding.get_UTF8());
        writer.set_Formatting(Formatting.Indented);
        writer.WriteStartElement("wrapper");
        ser.Serialize(writer, myTransportation);
        writer.WriteEndElement();
        writer.Close();
    } //SerializeObject
} //Test
継承階層継承階層
System.Object
   System.Xml.Serialization.XmlMapping
    System.Xml.Serialization.XmlTypeMapping
スレッド セーフスレッド セーフ
この型の public static (Visual Basic では Shared) メンバはすべて、スレッド セーフです。インスタンス メンバ場合は、スレッド セーフであるとは限りません。
プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照

XmlTypeMapping プロパティ


XmlTypeMapping メソッド


パブリック メソッドパブリック メソッド

プロテクト メソッドプロテクト メソッド
参照参照

XmlTypeMapping メンバ

1 つの型から別の型への割り当て格納します

XmlTypeMapping データ型公開されるメンバを以下の表に示します


パブリック プロパティパブリック プロパティ
  名前 説明
パブリック プロパティ ElementName  対応付けられる要素の名前を取得します。(XmlMapping から継承されます。)
パブリック プロパティ Namespace  対応付けられる要素名前空間取得します。(XmlMapping から継承されます。)
パブリック プロパティ .NET Compact Framework によるサポート .NET Compact Framework によるサポート XsdElementName  対応付けXSD 要素の名前を取得します。(XmlMapping から継承されます。)
パブリック プロパティ XsdTypeName 割り当てられオブジェクトXML 要素名を取得します
パブリック プロパティ XsdTypeNamespace 割り当てられオブジェクトXML 名前空間取得します
パブリック メソッドパブリック メソッド
プロテクト メソッドプロテクト メソッド
参照参照



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