使用服务行为通过 WCF LOB 适配器 SDK 输入凭据

很多时候，适配器使用者被要求将凭据传递到目标业务线系统。 为了实现此功能，您需要提供一个 WCF 服务行为。

以下示例代码演示如何派生服务行为。 它将从适配器使用者获取的凭据委托给适配器。 然后，适配器必须使用业务线协议对凭据进行身份验证。 对凭据进行身份验证后，该服务可以开始侦听业务线应用程序中的传入事件。

/// <summary>  
/// This class derives from a WCF service behavior.  It is used in the inbound scenario  
/// for the Inbound Service to pass the line-of-business credentials to the adapter using  
/// WCF ClientCredentials class.  
/// </summary>  
public class InboundClientCredentialsServiceBehavior : ClientCredentials, IServiceBehavior  
{  
    public InboundClientCredentialsServiceBehavior() { }  
  
    public InboundClientCredentialsServiceBehavior(InboundClientCredentialsServiceBehavior other)  
         : base(other)  
    {  
    }  
  
    #region IServiceBehavior Members  
  
    public void AddBindingParameters(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase, System.Collections.ObjectModel.Collection<ServiceEndpoint> endpoints, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)  
    {  
        bindingParameters.Add(this);  
    }  
  
    public void ApplyDispatchBehavior(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase)  
    {  
    }  
  
    public void Validate(ServiceDescription serviceDescription, System.ServiceModel.ServiceHostBase serviceHostBase)  
    {  
    }  
  
    #endregion  
  
    protected override ClientCredentials CloneCore()  
    {  
        return new InboundClientCredentialsServiceBehavior(this);  
    }  
}  

以下示例代码演示如何使用服务行为将凭据传递给适配器。

// Create a ServiceHost for the EchoServiceImpl type  
// and use the base address from app.config  
ServiceHost host = new ServiceHost(typeof(EchoServiceImpl));  
  
// Set service behavior to pass the line-of-business credentials.  
InboundClientCredentialsServiceBehavior credentialsBehavior = new InboundClientCredentialsServiceBehavior();  
credentialsBehavior.UserName.UserName = "username";  
credentialsBehavior.UserName.Password = "****";  
host.Description.Behaviors.Add(credentialsBehavior);  
  
// Open the ServiceHost to start listening for messages  
host.Open();  
  
Console.WriteLine("The service is ready.");  
Console.WriteLine("Press <ENTER> to terminate service.");  
Console.ReadLine();  
  
// Close the ServiceHost  
host.Close();  

另请参阅

使用 WCF LOB 适配器 SDK 的开发最佳做法