DiscoveryDocument Class

Reference

Definition

Namespace:: System.Web.Services.Discovery

Assembly:: System.Web.Services.dll

Important

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Represents a discovery document. This class cannot be inherited.

public ref class DiscoveryDocument sealed

public sealed class DiscoveryDocument

type DiscoveryDocument = class

Public NotInheritable Class DiscoveryDocument

Inheritance: Object
DiscoveryDocument

Examples

The following code example reads a discovery document from a file using the Read and writes it back out to file using the Write method.

#using <System.Xml.dll>
#using <System.Web.Services.dll>

using namespace System;
using namespace System::Xml;
using namespace System::IO;
using namespace System::Web::Services::Discovery;
using namespace System::Collections;
int main()
{
   try
   {
      
      // Create an Object* of the 'DiscoveryDocument'.
      DiscoveryDocument^ myDiscoveryDocument = gcnew DiscoveryDocument;
      
      // Create an XmlTextReader with the sample file.
      XmlTextReader^ myXmlTextReader = gcnew XmlTextReader( "http://localhost/example_cs.disco" );
      
      // Read the given XmlTextReader.
      myDiscoveryDocument = DiscoveryDocument::Read( myXmlTextReader );
      
      // Write the DiscoveryDocument into the 'TextWriter'.
      FileStream^ myFileStream = gcnew FileStream( "log.txt",FileMode::OpenOrCreate,FileAccess::Write );
      StreamWriter^ myStreamWriter = gcnew StreamWriter( myFileStream );
      myDiscoveryDocument->Write( myStreamWriter );
      myStreamWriter->Flush();
      myStreamWriter->Close();
      
      // Display the contents of the DiscoveryDocument onto the console.
      FileStream^ myFileStream1 = gcnew FileStream( "log.txt",FileMode::OpenOrCreate,FileAccess::Read );
      StreamReader^ myStreamReader = gcnew StreamReader( myFileStream1 );
      
      // Set the file pointer to the begin.
      myStreamReader->BaseStream->Seek( 0, SeekOrigin::Begin );
      Console::WriteLine( "The contents of the DiscoveryDocument are-" );
      while ( myStreamReader->Peek() > -1 )
      {
         Console::WriteLine( myStreamReader->ReadLine() );
      }
      myStreamReader->Close();
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "Exception raised : {0}", e->Message );
   }

}

using System;
using System.Xml;
using System.IO;
using System.Web.Services.Discovery;
using System.Collections;

public class DiscoveryDocument_Example
{
   static void Main()
   {
      try
      {
         // Create an object of the 'DiscoveryDocument'.
         DiscoveryDocument myDiscoveryDocument = new DiscoveryDocument();

         // Create an XmlTextReader with the sample file.
         XmlTextReader myXmlTextReader = new
            XmlTextReader( "http://localhost/example_cs.disco" );

         // Read the given XmlTextReader.
         myDiscoveryDocument = DiscoveryDocument.Read( myXmlTextReader );

         // Write the DiscoveryDocument into the 'TextWriter'.
         FileStream myFileStream = new
                  FileStream( "log.txt", FileMode.OpenOrCreate, FileAccess.Write );
         StreamWriter myStreamWriter = new StreamWriter( myFileStream );
         myDiscoveryDocument.Write( myStreamWriter );

         myStreamWriter.Flush();
         myStreamWriter.Close();

         // Display the contents of the DiscoveryDocument onto the console.
         FileStream myFileStream1 = new
                        FileStream( "log.txt", FileMode.OpenOrCreate, FileAccess.Read );
         StreamReader myStreamReader = new StreamReader( myFileStream1 );

         // Set the file pointer to the begin.
         myStreamReader.BaseStream.Seek(0, SeekOrigin.Begin);
         Console.WriteLine( "The contents of the DiscoveryDocument are-" );
         while ( myStreamReader.Peek() > -1 )
         {
            Console.WriteLine( myStreamReader.ReadLine() );
         }
         myStreamReader.Close();
      }
      catch( Exception e )
      {
         Console.WriteLine( "Exception raised : {0}", e.Message);
      }
   }
}

Imports System.Xml
Imports System.IO
Imports System.Web.Services.Discovery
Imports System.Collections


Public Class DiscoveryDocument_Example
   
   Shared Sub Main()
      Try
         ' Create an object of the 'DiscoveryDocument'.
         Dim myDiscoveryDocument As New DiscoveryDocument()
         
         ' Create an XmlTextReader with the sample file.
         Dim myXmlTextReader As New XmlTextReader("http://localhost/example_vb.disco")
         
         ' Read the given XmlTextReader.
         myDiscoveryDocument = DiscoveryDocument.Read(myXmlTextReader)
         
         ' Write the DiscoveryDocument into the 'TextWriter'.
         Dim myFileStream As New FileStream("log.txt", FileMode.OpenOrCreate, FileAccess.Write)
         Dim myStreamWriter As New StreamWriter(myFileStream)
         myDiscoveryDocument.Write(myStreamWriter)

         myStreamWriter.Flush()
         myStreamWriter.Close()
         ' Display the contents of the DiscoveryDocument onto the console.
         Dim myFileStream1 As New FileStream("log.txt", FileMode.OpenOrCreate, FileAccess.Read)
         Dim myStreamReader As New StreamReader(myFileStream1)
         
         ' Set the file pointer to the begin.
         myStreamReader.BaseStream.Seek(0, SeekOrigin.Begin)
         Console.WriteLine("The contents of the DiscoveryDocument are-")
         While myStreamReader.Peek() > - 1
            Console.WriteLine(myStreamReader.ReadLine())
         End While
         myStreamReader.Close()
      Catch e As Exception
         Console.WriteLine("Exception raised : {0}", e.Message.ToString())
      End Try
   End Sub
End Class

Remarks

XML Web services discovery involves discovering the available XML Web services, given an URL. The URL typically points to a discovery document, which usually has a .disco file name extension. The discovery document, which is an XML document, contains references to information about the existence of XML Web services, such as a service description, XML Schema Definition (XSD) language schema, or another discovery document. This class represents the contents of the discovery document; where the References property contains a list of the references contained within the discovery document.

Constructors

DiscoveryDocument()

Initializes a new instance of the DiscoveryDocument class.

Fields

Namespace

Namespace of the discovery XML element of a discovery document.

Properties

References

A list of references contained within the discovery document.

Methods

CanRead(XmlReader)	Returns a value indicating whether the passed XmlReader can be deserialized into a DiscoveryDocument.
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
Read(Stream)	Reads and returns a DiscoveryDocument from the passed Stream.
Read(TextReader)	Reads and returns a DiscoveryDocument from the passed TextReader.
Read(XmlReader)	Reads and returns a DiscoveryDocument from the passed XmlReader.
ToString()	Returns a string that represents the current object. (Inherited from Object)
Write(Stream)	Writes this DiscoveryDocument into the passed Stream.
Write(TextWriter)	Writes this DiscoveryDocument into the passed TextWriter.
Write(XmlWriter)	Writes this DiscoveryDocument into the passed XmlWriter.

Applies to

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