SignedXml.XmlDsigXsltTransformUrl フィールドとは？ わかりやすく解説

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SignedXml.XmlDsigXsltTransformUrl フィールド

メモ : このフィールドは、.NET Framework version 2.0 で新しく追加されたものです。

XSLT 変換の URI (Uniform Resource Identifier) を表します。このフィールドは定数です。

名前空間: System.Security.Cryptography.Xml
アセンブリ: System.Security (system.security.dll 内)
構文構文

Visual Basic (宣言)
Public Const XmlDsigXsltTransformUrl As
 String
Visual Basic (使用法)
Dim value As String

value = SignedXml.XmlDsigXsltTransformUrl
C#
public const string XmlDsigXsltTransformUrl
C++
public:
literal String^ XmlDsigXsltTransformUrl
J#
public static final String XmlDsigXsltTransformUrl
JScript
public const var XmlDsigXsltTransformUrl
 : String
解説解説

XmlDsigXsltTransformUrl フィールドの値は "http://www.w3.org/TR/1999/REC-xslt-19991116" です。

XMLDSIG 用の要素のいずれかの URI 属性に対し効率よく値を提供するには、このフィールドを使用します。

XmlDsigXsltTransform クラスは、XmlDsigXsltTransformUrl フィールドで定義された変換を実装します。

詳細については、http://www.w3.org/TR/1999/REC-xslt-19991116 の 「W3C (World Wide Web Consortium) 仕様」を参照してください。

使用例使用例

XmlDsigXsltTransform クラスのメンバを使用する方法を次のコード例に示します。

Visual Basic
Imports System
Imports System.IO
Imports System.Xml
Imports System.Security.Cryptography
Imports System.Security.Cryptography.Xml
Imports System.Text

Public Class Form1
    Inherits System.Windows.Forms.Form

    ' Event handler for Run button.
    Private Sub Button1_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles
 Button1.Click

        tbxOutput.Cursor = Cursors.WaitCursor
        tbxOutput.Text = ""

        Dim productsXml As XmlDocument = LoadProducts()
        Dim xsltNodeList As XmlNodeList = GetXsltAsNodeList()
        TransformDoc(productsXml, xsltNodeList)

        ' Use XmlDsigXsltTransform to resolve a Uri.
        Dim baseUri As New
 Uri("http://www.contoso.com")
        Dim relativeUri As String
 = "xml"
        Dim absoluteUri As Uri = ResolveUris(baseUri,
 relativeUri)

        ' Align interface and conclude application.
        WriteLine(vbCrLf + "This sample completed successfully;"
 + _
            " press Exit to continue.")

        ' Reset the cursor.
        tbxOutput.Cursor = Cursors.Default
    End Sub

    ' Create an XML document describing various products.
    Private Function LoadProducts() As
 XmlDocument
        Dim contosoProducts As String
 = "<?xml version='1.0'?>"
        contosoProducts += "<products>"
        contosoProducts += "<product><productid>1</productid>"
        contosoProducts += "<description>Widgets</description></product>"
        contosoProducts += "<product><productid>2</productid>"
        contosoProducts += "<description>Gadgits</description></product>"
        contosoProducts += "</products>"

        WriteLine(vbCrLf + _
            "Created the following Xml document for tranformation:")
        WriteLine(contosoProducts)

        Dim xmlDoc As New
 XmlDocument
        xmlDoc.LoadXml(contosoProducts)
        Return xmlDoc
    End Function

    Private Function GetXsltAsNodeList() As
 XmlNodeList
        Dim transformXml As String
 = "<xsl:transform version='1.0' "
        transformXml += "xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>"
        transformXml += "<xsl:template match='products'>"
        transformXml += "<table><tr><td>ProductId</td><td>Name</td></tr>"
        transformXml += "<xsl:apply-templates/></table></xsl:template>"
        transformXml += "<xsl:template match='product'><tr>"
        transformXml += "<xsl:apply-templates/></tr></xsl:template>"
        transformXml += "<xsl:template match='productid'><td>"
        transformXml += "<xsl:apply-templates/></td></xsl:template>"
        transformXml += "<xsl:template match='description'><td>"
        transformXml += "<xsl:apply-templates/></td></xsl:template>"
        transformXml += "</xsl:transform>"

        WriteLine(vbCrLf + "Created the following Xslt tranform:")
        WriteLine(transformXml)

        Dim xmlDoc As New
 XmlDocument
        xmlDoc.LoadXml(transformXml)
        Return xmlDoc.GetElementsByTagName("xsl:transform")
    End Function

    Private Sub TransformDoc( _
        ByVal xmlDoc As XmlDocument, _
        ByVal xsltNodeList As XmlNodeList)

        Try
            ' Construct a new XmlDsigXsltTransform.
            Dim xmlTransform As New
 XmlDsigXsltTransform

            ' Load the Xslt tranform as a node list.
            xmlTransform.LoadInnerXml(xsltNodeList)

            ' Load the Xml document to perform the tranform on.
            dim namespaceManager as New
 XmlNamespaceManager(xmlDoc.NameTable)

            Dim productsNodeList As XmlNodeList
            productsNodeList = xmlDoc.SelectNodes("//.",
 namespaceManager)

            xmlTransform.LoadInput(productsNodeList)

            ' Retrieve the output from the transform.
            Dim outputStream As Stream
            outputStream = CType(xmlTransform.GetOutput( _
                GetType(System.IO.Stream)), _
                System.IO.Stream)

            ' Read the output stream into a stream reader.
            Dim streamReader As New
 StreamReader(outputStream)

            ' Read the stream into a string.
            Dim outputMessage As String
 = streamReader.ReadToEnd()

            ' Close the streams.
            outputStream.Close()
            streamReader.Close()

            ' Display to the console the Xml before and after encryption.
            WriteLine(vbCrLf + "Result of transformation: "
 + outputMessage)
            ShowTransformProperties(xmlTransform)
        Catch ex As Exception
            WriteLine("Caught exception in TransformDoc method:
 " + _
                ex.ToString())
        End Try
    End Sub

    Private Sub ShowTransformProperties( _
            ByVal xmlTransform As XmlDsigXsltTransform)

        Dim classDescription As String
 = xmlTransform.ToString()
        WriteLine(vbCrLf + "** Summary for " + classDescription
 + " **")

        ' Retrieve the XML representation of the current transform.
        Dim xmlInTransform As XmlElement =
 xmlTransform.GetXml()
        WriteLine("Xml representation of the current transform:"
 + _
            vbCrLf + xmlInTransform.OuterXml)

        ' Ensure the transform is using the proper algorithm.
        xmlTransform.Algorithm = SignedXml.XmlDsigXsltTransformUrl
        Console.WriteLine("Algorithm used: " + classDescription)

        ' Retrieve the valid input types for the current transform.
        Dim validInTypes() As Type = xmlTransform.InputTypes
        WriteLine("Transform accepts the following inputs:")
        For i As Int16 = 0 To
 validInTypes.Length - 1 Step 1
            WriteLine("   " + validInTypes(i).ToString())
        Next

        Dim validOutTypes() As Type = xmlTransform.OutputTypes
        WriteLine("Transform outputs in the following types:")
        For j As Int16 = 0 To
 validOutTypes.Length - 1 Step 1

            WriteLine("   " + validOutTypes(j).ToString())
            If (validOutTypes(j).Equals(GetType(Object)))
 Then
                Dim outputObject As Object
 = xmlTransform.GetOutput()
            End If
        Next
    End Sub

    ' Resolve the specified base and relative Uri's .
    Private Function ResolveUris( _
        ByVal baseUri As Uri, _
        ByVal relativeUri As String)
 As Uri

        Dim xmlResolver As New
 XmlUrlResolver
        xmlResolver.Credentials = _
            System.Net.CredentialCache.DefaultCredentials

        Dim xmlTransform As New
 XmlDsigXsltTransform
        xmlTransform.Resolver = xmlResolver

        Dim absoluteUri As Uri = xmlResolver.ResolveUri(baseUri,
 relativeUri)
        If (Not absoluteUri Is
 Nothing) Then
            WriteLine(vbCrLf + _
                "Resolved the base Uri and relative Uri to the
 following:")
            WriteLine(absoluteUri.ToString())
        Else
            WriteLine("Unable to resolve the base Uri and relative
 Uri")
        End If
        
        Return absoluteUri
    End Function

    ' Write specified message and carriage return to the output textbox.
    Private Sub WriteLine(ByVal
 message As String)
        tbxOutput.AppendText(message + vbCrLf)

    End Sub

    ' Event handler for Exit button.
    Private Sub Button2_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles
 Button2.Click

        Application.Exit()
    End Sub
#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides
 Sub Dispose(ByVal disposing As
 Boolean)
        If disposing Then
            If Not (components Is
 Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Panel2 As
 System.Windows.Forms.Panel
    Friend WithEvents Panel1 As
 System.Windows.Forms.Panel
    Friend WithEvents Button1 As
 System.Windows.Forms.Button
    Friend WithEvents Button2 As
 System.Windows.Forms.Button
    Friend WithEvents tbxOutput As
 System.Windows.Forms.RichTextBox
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.Panel2 = New System.Windows.Forms.Panel
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.tbxOutput = New System.Windows.Forms.RichTextBox
        Me.Panel2.SuspendLayout()
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Panel2
        '
        Me.Panel2.Controls.Add(Me.Button1)
        Me.Panel2.Controls.Add(Me.Button2)
        Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.Panel2.DockPadding.All = 20
        Me.Panel2.Location = New System.Drawing.Point(0,
 320)
        Me.Panel2.Name = "Panel2"
        Me.Panel2.Size = New System.Drawing.Size(616,
 64)
        Me.Panel2.TabIndex = 1
        '
        'Button1
        '
        Me.Button1.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button1.Font = New System.Drawing.Font(
 _
            "Microsoft Sans Serif", _
            9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(446,
 20)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75,
 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "&Run"
        '
        'Button2
        '
        Me.Button2.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button2.Font = New System.Drawing.Font(
 _
            "Microsoft Sans Serif", _
            9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button2.Location = New System.Drawing.Point(521,
 20)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(75,
 24)
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "E&xit"
        '
        'Panel1
        '
        Me.Panel1.Controls.Add(Me.tbxOutput)
        Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.Panel1.DockPadding.All = 20
        Me.Panel1.Location = New System.Drawing.Point(0,
 0)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(616,
 320)
        Me.Panel1.TabIndex = 2
        '
        'tbxOutput
        '
        Me.tbxOutput.AccessibleDescription = _
            "Displays output from application."
        Me.tbxOutput.AccessibleName = "Output
 textbox."
        Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill
        Me.tbxOutput.Location = New System.Drawing.Point(20,
 20)
        Me.tbxOutput.Name = "tbxOutput"
        Me.tbxOutput.Size = New System.Drawing.Size(576,
 280)
        Me.tbxOutput.TabIndex = 1
        Me.tbxOutput.Text = "Click the Run
 button to run the application."
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6,
 15)
        Me.ClientSize = New System.Drawing.Size(616,
 384)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.Panel2)
        Me.Name = "Form1"
        Me.Text = "XmlDsigXsltTransform"
        Me.Panel2.ResumeLayout(False)
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
End Class
'
' This sample produces the following output:
' 
' Created the following Xml document for tranformation:
' <?xml version='1.0'?><products><product><productid>1</productid><description
' >Widgets</description></product><product><productid>2</productid><descriptio
' n>Gadgits</description></product></products>
' 
' Created the following Xslt tranform:
' <xsl:transform version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform
' '><xsl:template match='products'><table><tr><td>ProductId</td><td>Name</td><
' /tr><xsl:apply-templates/></table></xsl:template><xsl:template
 match='produc
' t'><tr><xsl:apply-templates/></tr></xsl:template><xsl:template
 match='produc
' tid'><td><xsl:apply-templates/></td></xsl:template><xsl:template
 match='desc
' ription'><td><xsl:apply-templates/></td></xsl:template></xsl:transform>
' 
' Result of transformation: <table><tr><td>ProductId</td><td>Name</td></tr><tr
' ><td>1</td><td>Widgets</td></tr><tr><td>2</td><td>Gadgits</td></tr></table>
' 
' ** Summary for System.Security.Cryptography.Xml.XmlDsigXsltTransform
 **
' Xml representation of the current transform:
' <Transform Algorithm="http://www.w3.org/TR/1999/REC-xslt-19991116"
 xmlns="ht
' tp://www.w3.org/2000/09/xmldsig#"><xsl:transform version="1.0"
 xmlns:xsl="ht
' tp://www.w3.org/1999/XSL/Transform"><xsl:template match="products"><table
 xm
' lns=""><tr><td>ProductId</td><td>Name</td></tr><xsl:apply-templates
 /></tabl
' e></xsl:template><xsl:template match="product"><tr
 xmlns=""><xsl:apply-templ
' ates /></tr></xsl:template><xsl:template match="productid"><td
 xmlns=""><xsl
' :apply-templates /></td></xsl:template><xsl:template
 match="description"><td
'  xmlns=""><xsl:apply-templates /></td></xsl:template></xsl:transform></Trans
' form>
' Transform accepts the following inputs:
'    System.IO.Stream
'    System.Xml.XmlDocument
'    System.Xml.XmlNodeList
' Transform outputs in the following types:
'    System.IO.Stream
' 
' Resolved the base Uri and relative Uri to the following:
' http://www.contoso.com/xml
' 
' This sample completed successfully; press Exit to continue.
C#
using System;
using System.IO;
using System.Xml;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
using System.Text;

class Class1
{
    [STAThread]
    static void Main(string[]
 args)
    {
        XmlDocument productsXml = LoadProducts();
        XmlNodeList xsltNodeList = GetXsltAsNodeList();
        TransformDoc(productsXml, xsltNodeList);

        // Use XmlDsigXsltTransform to resolve a Uri.
        Uri baseUri = new Uri("http://www.contoso.com");
        string relativeUri = "xml";
        Uri absoluteUri = ResolveUris(baseUri, relativeUri);

        Console.WriteLine("This sample completed successfully; " +
            "press Enter to exit.");
        Console.ReadLine();
    }

    private static void
 TransformDoc(
        XmlDocument xmlDoc, 
        XmlNodeList xsltNodeList)
    {
        try 
        {
            // Construct a new XmlDsigXsltTransform.
            XmlDsigXsltTransform xmlTransform = 
                new XmlDsigXsltTransform();

            // Load the Xslt tranform as a node list.
            xmlTransform.LoadInnerXml(xsltNodeList);

            // Load the Xml document to perform the tranform on.
            XmlNamespaceManager namespaceManager;
            namespaceManager = new XmlNamespaceManager(xmlDoc.NameTable);

            XmlNodeList productsNodeList;
            productsNodeList = xmlDoc.SelectNodes("//.", namespaceManager);

            xmlTransform.LoadInput(productsNodeList);

            // Retrieve the output from the transform.
            Stream outputStream = (Stream)
                xmlTransform.GetOutput(typeof(System.IO.Stream));

            // Read the output stream into a stream reader.
            StreamReader streamReader =
                new StreamReader(outputStream);

            // Read the stream into a string.
            string outputMessage = streamReader.ReadToEnd();

            // Close the streams.
            outputStream.Close();
            streamReader.Close();

            // Display to the console the Xml before and after
            // encryption.
            Console.WriteLine("\nResult of transformation: " + outputMessage);
            ShowTransformProperties(xmlTransform);
        }
        catch (Exception ex)
        {
            Console.WriteLine("Caught exception in TransformDoc
 method: " + 
                ex.ToString());
        }
    }
    
    private static XmlNodeList GetXsltAsNodeList()
    {
        string transformXml = "<xsl:transform version='1.0'
 ";
        transformXml += "xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>";
        transformXml += "<xsl:template match='products'>";
        transformXml += "<table><tr><td>ProductId</td><td>Name</td></tr>";
        transformXml += "<xsl:apply-templates/></table></xsl:template>";
        transformXml += "<xsl:template match='product'><tr>";
        transformXml += "<xsl:apply-templates/></tr></xsl:template>";
        transformXml += "<xsl:template match='productid'><td>";
        transformXml += "<xsl:apply-templates/></td></xsl:template>";
        transformXml += "<xsl:template match='description'><td>";
        transformXml += "<xsl:apply-templates/></td></xsl:template>";
        transformXml += "</xsl:transform>";

        Console.WriteLine("\nCreated the following Xslt tranform:");
        Console.WriteLine(transformXml);

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(transformXml);
        return xmlDoc.GetElementsByTagName("xsl:transform");
    }

    // Encrypt the text in the specified XmlDocument.
    private static void
 ShowTransformProperties(
        XmlDsigXsltTransform xmlTransform)
    {
        string classDescription = xmlTransform.ToString();
        Console.WriteLine("\n** Summary for " + classDescription
 + " **");

        // Retrieve the XML representation of the current transform.
        XmlElement xmlInTransform = xmlTransform.GetXml();
        Console.WriteLine("Xml representation of the current transform:\n"
 +
            xmlInTransform.OuterXml);

        // Ensure the transform is using the proper algorithm.
        xmlTransform.Algorithm =
            SignedXml.XmlDsigXsltTransformUrl;
        Console.WriteLine("Algorithm used: " + classDescription);

        // Retrieve the valid input types for the current transform.
        Type[] validInTypes = xmlTransform.InputTypes;
        Console.WriteLine("Transform accepts the following inputs:");
        for (int i=0; i<validInTypes.Length;
 i++)
        {
            Console.WriteLine("\t" + validInTypes[i].ToString());
        }

        Type[] validOutTypes = xmlTransform.OutputTypes;
        Console.WriteLine("Transform outputs in the following
 types:");
        for (int i=validOutTypes.Length-1;
 i >= 0; i--)
        {
            Console.WriteLine("\t " + validOutTypes[i].ToString());

            if (validOutTypes[i] == typeof(object))
            {
                object outputObject = xmlTransform.GetOutput();
            }
        }
    }

    // Create an XML document describing various products.
    private static XmlDocument LoadProducts()
    {
        string contosoProducts = "<?xml version='1.0'?>";
        contosoProducts += "<products>";
        contosoProducts += "<product><productid>1</productid>";
        contosoProducts += "<description>Widgets</description></product>";
        contosoProducts += "<product><productid>2</productid>";
        contosoProducts += "<description>Gadgits</description></product>";
        contosoProducts += "</products>";

        Console.WriteLine(
            "\nCreated the following Xml document for tranformation:");
        Console.WriteLine(contosoProducts);

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(contosoProducts);
        return xmlDoc;
    }

    // Resolve the specified base and relative Uri's .
    private static Uri ResolveUris(Uri baseUri,
 string relativeUri)
    {
        XmlUrlResolver xmlResolver = new XmlUrlResolver();
        xmlResolver.Credentials = 
            System.Net.CredentialCache.DefaultCredentials;

        XmlDsigXsltTransform xmlTransform =
            new XmlDsigXsltTransform();
        xmlTransform.Resolver = xmlResolver;

        Uri absoluteUri = xmlResolver.ResolveUri(baseUri, relativeUri);
        if (absoluteUri != null)
        {
            Console.WriteLine(
                "\nResolved the base Uri and relative Uri
 to the following:");
            Console.WriteLine(absoluteUri.ToString());
        }
        else
        {
            Console.WriteLine(
                "Unable to resolve the base Uri and relative
 Uri");
        }
        return absoluteUri;
    }
}
//
// This sample produces the following output:
//
// Created the following Xml document for tranformation:
// <?xml version='1.0'?><products><product><productid>1</productid><descriptio
// n>Widgets</description></product><product><productid>2</productid><descript
// ion>Gadgits</description></product></products>
// 
// Created the following Xslt tranform:
// <xsl:transform version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transfor
// m'><xsl:template match='products'><table><tr><td>ProductId</td><td>Name</td
// ></tr><xsl:apply-templates/></table></xsl:template><xsl:template
 match='pro
// duct'><tr><xsl:apply-templates/></tr></xsl:template><xsl:emplate
 match='pro
// ductid'><td><xsl:apply-templates/></td></xsl:template><xsl:template
 match='
// description'><td><xsl:apply-templates/></td></xsl:template></xsl:transform>
// 
// Result of transformation: <table><tr><td>ProductId</td><td>Name</td></tr><t
// r><td>1</td><td>Widgets</td></tr><tr><td>2</td><td>Gadgits</td></tr></table
// >
//
// ** Summary for System.Security.Cryptography.Xml.XmlDsigXsltTransform
 **
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/TR/1999/REC-xslt-19991116"
 xmlns="h
// ttp://www.w3.org/2000/09/xmldsig#"><xsl:transform version="1.0"
 xmlns:xsl="
// http://www.w3.org/1999/XSL/Transform"><xsl:template match="products"><table
//  xmlns=""><tr><td>ProductId</td><td>Name</td></tr><xsl:apply-templates
 /></
// table></xsl:template><xsl:template match="product"><tr
 xmlns=""><xsl:apply-
// templates /></tr></xsl:template><xsl:template match="productid"><td
 xmlns="
// "><xsl:apply-templates /></td></xsl:template><xsl:template
 match="descripti
// on"><td xmlns=""><xsl:apply-templates
 /></td></xsl:template></xsl:transform
// ></Transform>
// Algorithm used: System.Security.Cryptography.Xml.XmlDsigXsltTransform
// Transform accepts the following inputs:
// System.IO.Stream
// System.Xml.XmlDocument
// System.Xml.XmlNodeList
// Transform outputs in the following types:
// System.IO.Stream
// 
// Resolved the base Uri and relative Uri to the following:
// http://www.contoso.com/xml
// This sample completed successfully; press Enter to exit.
C++
#using <System.Security.dll>
#using <System.dll>
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Security::Cryptography;
using namespace System::Security::Cryptography::Xml;
using namespace System::Text;

ref class Class1
{
public:
   [STAThread]
   static void Main()
   {
      XmlDocument^ productsXml = LoadProducts();
      XmlNodeList^ xsltNodeList = GetXsltAsNodeList();
      TransformDoc( productsXml, xsltNodeList );
      
      // Use XmlDsigXsltTransform to resolve a Uri.
      Uri^ baseUri = gcnew Uri( L"http://www.contoso.com"
 );
      String^ relativeUri = L"xml";
      Uri^ absoluteUri = ResolveUris( baseUri, relativeUri );
      Console::WriteLine( L"This sample completed successfully; "
      L"press Enter to exit." );
      Console::ReadLine();
   }

private:
   static void TransformDoc( XmlDocument^ xmlDoc,
 XmlNodeList^ xsltNodeList )
   {
      try
      {
         // Construct a new XmlDsigXsltTransform.
         XmlDsigXsltTransform^ xmlTransform = gcnew XmlDsigXsltTransform;

         // Load the Xslt tranform as a node list.
         xmlTransform->LoadInnerXml( xsltNodeList );

         // Load the Xml document to perform the tranform on.
         XmlNamespaceManager^ namespaceManager;
         namespaceManager = gcnew XmlNamespaceManager( xmlDoc->NameTable );
         XmlNodeList^ productsNodeList;
         productsNodeList = xmlDoc->SelectNodes( L"//.",
 namespaceManager );
         xmlTransform->LoadInput( productsNodeList );

         // Retrieve the output from the transform.
         Stream^ outputStream = (Stream^)xmlTransform->GetOutput(
            System::IO::Stream::typeid );

         // Read the output stream into a stream reader.
         StreamReader^ streamReader = gcnew StreamReader( outputStream );
         
         // Read the stream into a string.
         String^ outputMessage = streamReader->ReadToEnd();
         
         // Close the streams.
         outputStream->Close();
         streamReader->Close();
         
         // Display to the console the Xml before and after
         // encryption.
         Console::WriteLine( L"\nResult of transformation: {0}", outputMessage
 );
         ShowTransformProperties( xmlTransform );
      }
      catch ( Exception^ ex ) 
      {
         Console::WriteLine( L"Caught exception in TransformDoc
 method: {0}", ex );
      }
   }

   static XmlNodeList^ GetXsltAsNodeList()
   {
      String^ transformXml = L"<xsl:transform version='1.0' ";
      transformXml = String::Concat( transformXml,
         L"xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>"
 );
      transformXml = String::Concat( transformXml,
         L"<xsl:template match='products'>" );
      transformXml = String::Concat( transformXml,
         L"<table><tr><td>ProductId</td><td>Name</td></tr>"
 );
      transformXml = String::Concat( transformXml,
         L"<xsl:apply-templates/></table></xsl:template>"
 );
      transformXml = String::Concat( transformXml,
         L"<xsl:template match='product'><tr>" );
      transformXml = String::Concat( transformXml,
         L"<xsl:apply-templates/></tr></xsl:template>"
 );
      transformXml = String::Concat( transformXml,
         L"<xsl:template match='productid'><td>" );
      transformXml = String::Concat( transformXml,
         L"<xsl:apply-templates/></td></xsl:template>"
 );
      transformXml = String::Concat( transformXml,
         L"<xsl:template match='description'><td>" );
      transformXml = String::Concat( transformXml,
         L"<xsl:apply-templates/></td></xsl:template>"
 );
      transformXml = String::Concat( transformXml,
         L"</xsl:transform>" );
      Console::WriteLine( L"\nCreated the following Xslt tranform:" );
      Console::WriteLine( transformXml );
      XmlDocument^ xmlDoc = gcnew XmlDocument;
      xmlDoc->LoadXml( transformXml );
      return xmlDoc->GetElementsByTagName( L"xsl:transform"
 );
   }

   // Encrypt the text in the specified XmlDocument.
   static void ShowTransformProperties( XmlDsigXsltTransform^
 xmlTransform )
   {
      String^ classDescription = xmlTransform->ToString();
      Console::WriteLine( L"\n** Summary for {0} **",
 classDescription );
      
      // Retrieve the XML representation of the current transform.
      XmlElement^ xmlInTransform = xmlTransform->GetXml();
      Console::WriteLine( L"Xml representation of the current transform:\n{0}"
,
         xmlInTransform->OuterXml );
      
      // Ensure the transform is using the proper algorithm.
      xmlTransform->Algorithm = SignedXml::XmlDsigXsltTransformUrl;
      Console::WriteLine( L"Algorithm used: {0}", classDescription );
      
      // Retrieve the valid input types for the current transform.
      array<Type^>^validInTypes = xmlTransform->InputTypes;
      Console::WriteLine( L"Transform accepts the following inputs:" );
      for ( int i = 0; i < validInTypes->Length;
 i++ )
      {
         Console::WriteLine( L"\t{0}", validInTypes[ i ] );

      }
      
      array<Type^>^validOutTypes = xmlTransform->OutputTypes;
      Console::WriteLine( L"Transform outputs in the following
 types:" );
      for ( int i = validOutTypes->Length
 - 1; i >= 0; i-- )
      {
         Console::WriteLine( L"\t {0}", validOutTypes[ i ] );
         if ( validOutTypes[ i ] == Object::typeid )
         {
            Object^ outputObject = xmlTransform->GetOutput();
         }
      }
   }

   // Create an XML document describing various products.
   static XmlDocument^ LoadProducts()
   {
      String^ contosoProducts = L"<?xml version='1.0'?>";
      contosoProducts = String::Concat( contosoProducts,
         L"<products>" );
      contosoProducts = String::Concat( contosoProducts,
         L"<product><productid>1</productid>" );
      contosoProducts = String::Concat( contosoProducts,
         L"<description>Widgets</description></product>"
 );
      contosoProducts = String::Concat( contosoProducts,
         L"<product><productid>2</productid>" );
      contosoProducts = String::Concat( contosoProducts,
         L"<description>Gadgits</description></product>"
 );
      contosoProducts = String::Concat( contosoProducts,
         L"</products>" );
      Console::WriteLine(
         L"\nCreated the following Xml document for tranformation:"
 );
      Console::WriteLine( contosoProducts );
      XmlDocument^ xmlDoc = gcnew XmlDocument;
      xmlDoc->LoadXml( contosoProducts );
      return xmlDoc;
   }

   // Resolve the specified base and relative Uri's .
   static Uri^ ResolveUris( Uri^ baseUri, String^ relativeUri
 )
   {
      XmlUrlResolver^ xmlResolver = gcnew XmlUrlResolver;
      xmlResolver->Credentials =
         System::Net::CredentialCache::DefaultCredentials;

      XmlDsigXsltTransform^ xmlTransform = gcnew XmlDsigXsltTransform;
      xmlTransform->Resolver = xmlResolver;

      Uri^ absoluteUri = xmlResolver->ResolveUri( baseUri, relativeUri );
      if ( absoluteUri != nullptr )
      {
         Console::WriteLine(
         L"\nResolved the base Uri and relative Uri to the
 following:" );
         Console::WriteLine( absoluteUri );
      }
      else
      {
         Console::WriteLine( L"Unable to resolve the base
 Uri and relative Uri" );
      }

      return absoluteUri;
   }
};

int main()
{
   Class1::Main();
}

//
// This sample produces the following output:
//
// Created the following Xml document for tranformation:
// <?xml version='1.0'?><products><product><productid>1</productid><descriptio
// n>Widgets</description></product><product><productid>2</productid><descript
// ion>Gadgits</description></product></products>
//
// Created the following Xslt tranform:
// <xsl:transform version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transfor
// m'><xsl:template match='products'><table><tr><td>ProductId</td><td>Name</td
// ></tr><xsl:apply-templates/></table></xsl:template><xsl:template
 match='pro
// duct'><tr><xsl:apply-templates/></tr></xsl:template><xsl:emplate
 match='pro
// ductid'><td><xsl:apply-templates/></td></xsl:template><xsl:template
 match='
// description'><td><xsl:apply-templates/></td></xsl:template></xsl:transform>
//
// Result of transformation: <table><tr><td>ProductId</td><td>Name</td></tr><t
// r><td>1</td><td>Widgets</td></tr><tr><td>2</td><td>Gadgits</td></tr></table
// >
//
// ** Summary for System.Security.Cryptography.Xml.XmlDsigXsltTransform
 **
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/TR/1999/REC-xslt-19991116"
 xmlns="h
// ttp://www.w3.org/2000/09/xmldsig#"><xsl:transform version="1.0"
 xmlns:xsl="
// http://www.w3.org/1999/XSL/Transform"><xsl:template match="products"><table
//  xmlns=""><tr><td>ProductId</td><td>Name</td></tr><xsl:apply-templates
 /></
// table></xsl:template><xsl:template match="product"><tr
 xmlns=""><xsl:apply-
// templates /></tr></xsl:template><xsl:template match="productid"><td
 xmlns="
// "><xsl:apply-templates /></td></xsl:template><xsl:template
 match="descripti
// on"><td xmlns=""><xsl:apply-templates
 /></td></xsl:template></xsl:transform
// ></Transform>
// Algorithm used: System.Security.Cryptography.Xml.XmlDsigXsltTransform
// Transform accepts the following inputs:
// System.IO.Stream
// System.Xml.XmlDocument
// System.Xml.XmlNodeList
// Transform outputs in the following types:
// System.IO.Stream
//
// Resolved the base Uri and relative Uri to the following:
// http://www.contoso.com/xml
// This sample completed successfully; press Enter to exit.
J#
import System.*;
import System.IO.*;
import System.Xml.*;
import System.Security.Cryptography.*;
import System.Security.Cryptography.Xml.*;
import System.Text.*;

class Class1
{
    /** @attribute STAThread()
     */
    public static void main(String[]
 args)
    {
        XmlDocument productsXml = LoadProducts();
        XmlNodeList xsltNodeList = GetXsltAsNodeList();
        TransformDoc(productsXml, xsltNodeList);
        // Use XmlDsigXsltTransform to resolve a Uri.
        Uri baseUri = new Uri("http://www.contoso.com");
        String relativeUri = "xml";
        Uri absoluteUri = ResolveUris(baseUri, relativeUri);

        Console.WriteLine("This sample completed successfully; " 
            + "press Enter to exit.");
        Console.ReadLine();
    } //main

    private static void
 TransformDoc(XmlDocument xmlDoc, 
        XmlNodeList xsltNodeList)
    {
        try {
            // Construct a new XmlDsigXsltTransform.
            XmlDsigXsltTransform xmlTransform = new XmlDsigXsltTransform();

            // Load the Xslt tranform as a node list.
            xmlTransform.LoadInnerXml(xsltNodeList);

            // Load the Xml document to perform the tranform on.
            XmlNamespaceManager namespaceManager;
            namespaceManager = new XmlNamespaceManager(xmlDoc.get_NameTable());

            XmlNodeList productsNodeList;
            productsNodeList = xmlDoc.SelectNodes("//.", namespaceManager);

            xmlTransform.LoadInput(productsNodeList);

            // Retrieve the output from the transform.
            Stream outputStream = (Stream)xmlTransform.
                GetOutput(System.IO.Stream.class.ToType());

            // Read the output stream into a stream reader.
            StreamReader streamReader = new StreamReader(outputStream);
            // Read the stream into a string.
            String outputMessage = streamReader.ReadToEnd();
            // Close the streams.
            outputStream.Close();
            streamReader.Close();
            // Display to the console the Xml before and after
            // encryption.
            Console.WriteLine("\nResult of transformation: " 
                + outputMessage);
            ShowTransformProperties(xmlTransform);
        }
        catch (System.Exception ex) {
            Console.WriteLine("Caught exception in TransformDoc
 method: " 
                + ex.ToString());
        }
    } //TransformDoc

    private static XmlNodeList GetXsltAsNodeList()
    {
        String transformXml = "<xsl:transform version='1.0' ";
        transformXml += "xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>";
        transformXml += "<xsl:template match='products'>";
        transformXml += "<table><tr><td>ProductId</td><td>Name</td></tr>";
        transformXml += "<xsl:apply-templates/></table></xsl:template>";
        transformXml += "<xsl:template match='product'><tr>";
        transformXml += "<xsl:apply-templates/></tr></xsl:template>";
        transformXml += "<xsl:template match='productid'><td>";
        transformXml += "<xsl:apply-templates/></td></xsl:template>";
        transformXml += "<xsl:template match='description'><td>";
        transformXml += "<xsl:apply-templates/></td></xsl:template>";
        transformXml += "</xsl:transform>";

        Console.WriteLine("\nCreated the following Xslt tranform:");
        Console.WriteLine(transformXml);

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(transformXml);
        return xmlDoc.GetElementsByTagName("xsl:transform");
    } //GetXsltAsNodeList

    // Encrypt the text in the specified XmlDocument.
    private static void
 ShowTransformProperties(
        XmlDsigXsltTransform xmlTransform)
    {
        String classDescription = xmlTransform.ToString();

        Console.WriteLine("\n** Summary for " 
            + classDescription + " **");
        // Retrieve the XML representation of the current transform.
        XmlElement xmlInTransform = xmlTransform.GetXml();

        Console.WriteLine("Xml representation of the current transform:\n"
 
            + xmlInTransform.get_OuterXml());
        // Ensure the transform is using the proper algorithm.
        xmlTransform.set_Algorithm(
            SignedXml.XmlDsigXsltTransformUrl);

        Console.WriteLine("Algorithm used: " + classDescription);
        // Retrieve the valid input types for the current transform.
        Type validInTypes[] = xmlTransform.get_InputTypes();

        Console.WriteLine("Transform accepts the following inputs:");
        for (int i = 0; i < validInTypes.get_Length();
 i++) {
            Console.WriteLine("\t" + validInTypes.get_Item(i).ToString());
        }
        Type validOutTypes[] = xmlTransform.get_OutputTypes();

        Console.WriteLine("Transform outputs in the following
 types:");
        for (int i = validOutTypes.get_Length()
 - 1; i >= 0; i--) {
            Console.WriteLine("\t " + validOutTypes.get_Item(i).ToString());
            if (validOutTypes.get_Item(i).Equals(Object.class.ToType()))
 {
                Object outputObject = xmlTransform.GetOutput();
            }
        }  
    } //ShowTransformProperties

    // Create an XML document describing various products.
    private static XmlDocument LoadProducts()
    {
        String contosoProducts = "<?xml version='1.0'?>";
        contosoProducts += "<products>";
        contosoProducts += "<product><productid>1</productid>";
        contosoProducts += "<description>Widgets</description></product>";
        contosoProducts += "<product><productid>2</productid>";
        contosoProducts += "<description>Gadgits</description></product>";
        contosoProducts += "</products>";

        Console.WriteLine("\nCreated the following Xml document "
            + "for tranformation:");
        Console.WriteLine(contosoProducts);

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(contosoProducts);
        return xmlDoc;
    } //LoadProducts

    // Resolve the specified base and relative Uri's .
    private static Uri ResolveUris(Uri baseUri,
 String relativeUri)
    {
        XmlUrlResolver xmlResolver = new XmlUrlResolver();
        xmlResolver.set_Credentials(System.Net.CredentialCache.
            get_DefaultCredentials());

        XmlDsigXsltTransform xmlTransform = new XmlDsigXsltTransform();
        xmlTransform.set_Resolver(xmlResolver);
        Uri absoluteUri = xmlResolver.ResolveUri(baseUri, relativeUri);
        if (absoluteUri != null) {
            Console.WriteLine("\nResolved the base Uri and
 relative "
                + "Uri to the following:");
            Console.WriteLine(absoluteUri.ToString());
        }
        else {
            Console.WriteLine("Unable to resolve the base
 "
                + "Uri and relative Uri");
        }
        return absoluteUri;
    } //ResolveUris
} //Class1
//
// This sample produces the following output:
//
// Created the following Xml document for tranformation:
// <?xml version='1.0'?><products><product><productid>1</productid><descriptio
// n>Widgets</description></product><product><productid>2</productid><descript
// ion>Gadgits</description></product></products>
// 
// Created the following Xslt tranform:
// <xsl:transform version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transfor
// m'><xsl:template match='products'><table><tr><td>ProductId</td><td>Name</td
// ></tr><xsl:apply-templates/></table></xsl:template><xsl:template
 match='pro
// duct'><tr><xsl:apply-templates/></tr></xsl:template><xsl:emplate
 match='pro
// ductid'><td><xsl:apply-templates/></td></xsl:template><xsl:template
 match='
// description'><td><xsl:apply-templates/></td></xsl:template></xsl:transform>
// 
// Result of transformation: <table><tr><td>ProductId</td><td>Name</td></tr><t
// r><td>1</td><td>Widgets</td></tr><tr><td>2</td><td>Gadgits</td></tr></table
// >
//
// ** Summary for System.Security.Cryptography.Xml.XmlDsigXsltTransform
 **
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/TR/1999/REC-xslt-19991116"
 xmlns="h
// ttp://www.w3.org/2000/09/xmldsig#"><xsl:transform version="1.0"
 xmlns:xsl="
// http://www.w3.org/1999/XSL/Transform"><xsl:template match="products"><table
//  xmlns=""><tr><td>ProductId</td><td>Name</td></tr><xsl:apply-templates
 /></
// table></xsl:template><xsl:template match="product"><tr
 xmlns=""><xsl:apply-
// templates /></tr></xsl:template><xsl:template match="productid"><td
 xmlns="
// "><xsl:apply-templates /></td></xsl:template><xsl:template
 match="descripti
// on"><td xmlns=""><xsl:apply-templates
 /></td></xsl:template></xsl:transform
// ></Transform>
// Algorithm used: System.Security.Cryptography.Xml.XmlDsigXsltTransform
// Transform accepts the following inputs:
// System.IO.Stream
// System.Xml.XmlDocument
// System.Xml.XmlNodeList
// Transform outputs in the following types:
// System.IO.Stream
// 
// Resolved the base Uri and relative Uri to the following:
// http://www.contoso.com/xml
// This sample completed successfully; press Enter to exit.
プラットフォームプラットフォーム

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報バージョン情報
.NET Framework
サポート対象 : 2.0
参照参照
関連項目
SignedXml クラス
SignedXml メンバ
System.Security.Cryptography.Xml 名前空間

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「SignedXml.XmlDsigXsltTransformUrl フィールド」の関連用語

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XmlDsigXsltTransform クラス
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SignedXml.XmlDsigXsltTransformUrl フィールドのお隣キーワード

SignedXml.XmlDsigHMACSHA1Url フィールド

SignedXml.XmlDsigMinimalCanonicalizationUrl フィールド

SignedXml.XmlDsigNamespaceUrl フィールド

SignedXml.XmlDsigRSASHA1Url フィールド

SignedXml.XmlDsigSHA1Url フィールド

SignedXml.XmlDsigXPathTransformUrl フィールド

SignedXml.XmlDsigXsltTransformUrl フィールド

SignedXml.XmlLicenseTransformUrl フィールド

SignerInfo.Certificate プロパティ

SignerInfo.CheckHash メソッド

SignerInfo.CheckSignature メソッド

SignerInfoCollection.CopyTo メソッド

SignerInfoCollection.Count プロパティ

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