ServiceDescriptionImporter Klass

Definition

public ref class ServiceDescriptionImporter

public class ServiceDescriptionImporter

type ServiceDescriptionImporter = class

Public Class ServiceDescriptionImporter

Arv

Object

ServiceDescriptionImporter

Exempel

I följande exempel visas hur klassen används ServiceDescriptionImporter för att generera proxyklientkod som anropar en XML-webbtjänst som beskrivs av en WSDL-fil.

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

using namespace System;
using namespace System::Web::Services::Description;
using namespace System::CodeDom;
using namespace System::CodeDom::Compiler;

int main()
{
   // Get a WSDL file describing a service.
   ServiceDescription^ description = ServiceDescription::Read( "service.wsdl" );

   // Initialize a service description importer.
   ServiceDescriptionImporter^ importer = gcnew ServiceDescriptionImporter;
   importer->ProtocolName = "Soap12"; // Use SOAP 1.2.
   importer->AddServiceDescription( description, nullptr, nullptr );

   // Report on the service descriptions.
   Console::WriteLine( "Importing {0} service descriptions with {1} associated schemas.", importer->ServiceDescriptions->Count, importer->Schemas->Count );

   // Generate a proxy client.
   importer->Style = ServiceDescriptionImportStyle::Client;

   // Generate properties to represent primitive values.
   importer->CodeGenerationOptions = System::Xml::Serialization::CodeGenerationOptions::GenerateProperties;

   // Initialize a Code-DOM tree into which we will import the service.
   CodeNamespace^ nmspace = gcnew CodeNamespace;
   CodeCompileUnit^ unit = gcnew CodeCompileUnit;
   unit->Namespaces->Add( nmspace );
   
   // Import the service into the Code-DOM tree. This creates proxy code
   // that uses the service.
   ServiceDescriptionImportWarnings warning = importer->Import(nmspace,unit);
   if ( warning == (ServiceDescriptionImportWarnings)0 )
   {
      // Generate and print the proxy code in C#.
      CodeDomProvider^ provider = CodeDomProvider::CreateProvider( "CSharp" );
      ICodeGenerator^ generator = provider->CreateGenerator();
      generator->GenerateCodeFromCompileUnit( unit, Console::Out, gcnew CodeGeneratorOptions );
   }
   else
   {
      // Print an error message.
      Console::WriteLine( warning );
   }
}

using System;
using System.Web.Services.Description;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Security.Permissions;

public class Import {

    public static void Main() 
    {
        Run();
    }

    [PermissionSetAttribute(SecurityAction.Demand, Name = "Full Trust")]
    public static void Run()
    {
    // Get a WSDL file describing a service.
    ServiceDescription description = ServiceDescription.Read("service.wsdl");

    // Initialize a service description importer.
    ServiceDescriptionImporter importer = new ServiceDescriptionImporter();
    importer.ProtocolName = "Soap12";  // Use SOAP 1.2.
    importer.AddServiceDescription(description,null,null);

    // Report on the service descriptions.
    Console.WriteLine("Importing {0} service descriptions with {1} associated schemas.",
                      importer.ServiceDescriptions.Count, importer.Schemas.Count);

    // Generate a proxy client.
    importer.Style = ServiceDescriptionImportStyle.Client;

    // Generate properties to represent primitive values.
    importer.CodeGenerationOptions = System.Xml.Serialization.CodeGenerationOptions.GenerateProperties;

    // Initialize a Code-DOM tree into which we will import the service.
    CodeNamespace nmspace = new CodeNamespace();
    CodeCompileUnit unit = new CodeCompileUnit();
    unit.Namespaces.Add(nmspace);

    // Import the service into the Code-DOM tree. This creates proxy code
    // that uses the service.
    ServiceDescriptionImportWarnings warning = importer.Import(nmspace,unit);

    if (warning == 0)
    {
        // Generate and print the proxy code in C#.
        CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
        provider.GenerateCodeFromCompileUnit(unit, Console.Out, new CodeGeneratorOptions() );
    }
    else
    {
        // Print an error message.
        Console.WriteLine(warning); 
    }
}
}

Kommentarer

Gränssnittet till en XML-webbtjänst beskrivs vanligtvis av en WSDL-fil (Web Services Description Language). Om du till exempel vill hämta en WSDL-beskrivning av en webbtjänst med ASP.NET som exponeras på http://localhost/service.asmx navigerar du helt enkelt till http://localhost/service.asmx?WSDL.

Med ServiceDescriptionImporter klassen kan du enkelt importera informationen i en WSDL-beskrivning till ett System.CodeDom.CodeCompileUnit objekt. Genom att justera värdet för parametern Style kan du instruera en ServiceDescriptionImporter instans att antingen generera en klientproxyklass som tillhandahåller webbtjänstens funktioner genom att transparent anropa den eller generera en abstrakt klass som kapslar in webbtjänstens funktioner utan att implementera den.

Koden i det resulterande CodeCompileUnit objektet kan sedan antingen anropas direkt eller exporteras på valfritt språk.