quotesservice.cs

《ASP.NET 2.0 XML 高级编程（第3版）》 《ASP.NET 2.0 XML 高级编程（第3版）》

using System;
using System.Xml;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;

[WebService(Namespace = "http://wrox.com/quotes")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class QuotesService : System.Web.Services.WebService
{
	public SoapPaymentHeader paymentHeader;

    [WebMethod(Description = "Returns real time quote for a given stock symbol")]
    public double GetStockPrice(string symbol)
    {
        double price = 0;		
        switch (symbol.ToUpper())
        {
            case "INTC":
                price = 70.75;
                break;
            case "MSFT":
                price = 50;
                break;
            case "DELL":
                price = 42.25;
                break;
            default:
                throw new SoapException("Invalid Symbol", SoapException.ClientFaultCode,               
                  "http://wrox.com/quotes/GetStockPrice");
        }	
        return price;
      }   	

	[WebMethod(Description = "Returns real time quote for a given stock ticker")]
	[SoapHeader("paymentHeader", Direction = SoapHeaderDirection.In)]
	public double GetStockPriceWithPayment(string symbol)
	{			
		//Process the SOAP header
		if (paymentHeader != null)
		{
			string nameOnCard = paymentHeader.NameOnCard;
			string creditCardNumber = paymentHeader.CreditCardNumber;
			CardType type = paymentHeader.CreditCardType;
			DateTime ExpirationDate = paymentHeader.ExpirationDate;
			//Process the payment details
			//.........
			///End Processing
			///
		}
		else 		
			throw new SoapHeaderException("Invalid information in SOAP Header", SoapException.ClientFaultCode);
		
		double price;
		switch (symbol.ToUpper())
		{
			case "INTC":
				price = 70.75;
				break;
			case "MSFT":
				price = 50;
				break;
			case "DELL":
				price = 42.25;
				break;
			default:
				throw new SoapException("Invalid Symbol", SoapException.ClientFaultCode,
					"http://wrox.com/quotes/GetStockPriceWithPayment");
		}
		return price;
	}

	//[PaymentAuthExtension]
	[WebMethod(Description = "Returns real time quote for a given stock ticker")]
	[SoapHeader("paymentHeader", Direction = SoapHeaderDirection.In)]
	public double GetStockPriceWithSoapExtension(string symbol)
	{
		double price;
		switch (symbol.ToUpper())
		{
			case "INTC":
				price = 70.75;
				break;
			case "MSFT":
				price = 50;
				break;
			case "DELL":
				price = 42.25;
				break;
			default:
				throw new SoapException("Invalid Symbol", SoapException.ClientFaultCode,
                    "http://wrox.com/quotes/GetStockPriceWithSoapExtension");
		}
		return price;
	}
}