Architecting Web Services

Chapter 3: XML Technical Primer

Listing 3-1: Sample XML Schema

Chapter 4: Using XML

Listing 4-1: DOM node IDL

Chapter 6: Building a Web Services Call

Listing 6-1: CompoundInterest Interface

Listing 6-2: calcInteraction.xsd

Listing 6-3: calcInteraction.dtd

Listing 6-4: Standard doPost Method in Visual Age

Listing 6-5: Standard doGet Method in Visual Age

Listing 6-6: Alternative doGet Method

Listing 6-7: stagingTask Method

Listing 6-8: Parsing and Capturing the Request Data

Listing 6-9: Validating the Request Document

Listing 6-10: Updated stagingTask Method

Listing 6-11: Skeleton of the getRate method

Listing 6-12: The getRate Method

Listing 6-13: Sample calcInteraction Request

Listing 6-14: calcInteraction Response

Listing 6-15: weatherCheck Request Schema

Listing 6-16: weatherCheck Response Schema

Listing 6-17: Weather Web service interaction schema

Listing 6-18: Base Listener for Weather Web Service

Listing 6-19: Calling the S3Weather Component

Listing 6-20: Writing the Response from Scratch

Listing 6-21: Response Template

Listing 6-22: Building the Response from a Template

Listing 6-23: Global.asa Code for Caching the Response Template

Listing 6-24: Final ASP Page for Weather Web Service

Listing 6-25: Visual Basic Test Client for weatherWS

Chapter 7: Building a Web Services Workflow

Listing 7-1: Reservation system's makeReservation method

Listing 7-2: Service variables schema

Listing 7-3: Amenity element schema

Listing 7-4: Availability criteria schema

Listing 7-5: Availability request schema

Listing 7-6: Availability results schema

Listing 7-7: Availability Response Schema

Listing 7-8: Sample null result payload for an availability request

Listing 7-9: Integrated hotel availability interaction schema

Listing 7-10: The reservationWS interface schema

Listing 7-11: Hotel detail response schema

Listing 7-12: Detail interaction schema

Listing 7-13: The reservationWS interface with availability interaction

Listing 7-14: U.S. address data type schema

Listing 7-15: Credit card data type schema

Listing 7-16: Reservation request schema

Listing 7-17: Reservation response schema

Listing 7-18: Reservation interaction schema

Listing 7-19: The reservationWS interface schema with reservation interaction

Listing 7-20: Basic HTML output for an availability form

Listing 7-21: XML data payload for hotel availability form

Listing 7-22: Availability form interaction

Listing 7-23: The reservationWS interface schema with availability form interaction

Listing 7-24: XML data payload for reservation form

Listing 7-25: Reservation form interaction schema

Listing 7-26: The reservationWS interface schema with reservation form interaction

Listing 7-27: The clsListener initial implementation

Listing 7-28: HRSWS test consumer subroutine

Listing 7-29: The getSessionID and updateSession stored procedures

Listing 7-30: Schema validation with the MSXML4 parser

Listing 7-31: Calling getSessionID stored procedure from the processRequest function

Listing 7-32: Availability form responder logic

Listing 7-33: Availability form sample response

Listing 7-34: setAvailabilityCriteria stored procedure

Listing 7-35: The wsFetchAvailability method

Listing 7-36: Availability request responder logic

Listing 7-37: Availability request response

Listing 7-38: The getHotelContent stored procedure

Listing 7-39: The wsFetchHotelContent function

Listing 7-40: Hotel detail responder logic

Listing 7-41: Hotel detail request response

Listing 7-42: Reservation form responder logic

Listing 7-43: Reservation form response

Listing 7-44: The getAvailabilityCriteria stored procedure

Listing 7-45: The getRoomTypes stored procedure

Listing 7-46: Reservation interaction responder code

Listing 7-47: Response from reservation request

Listing 7-48: Web services listener with integrated security

Listing 7-49: The getConsumerID stored procedure

Listing 7-50: Responder code for authentication check and error handling

Listing 7-51: XSL template node creation and response modification

Chapter 8: Consuming Web Services

Listing 8-1: The Weather Forecaster Response Schema

Listing 8-2: The Weather Forecaster Request Schema

Listing 8-3: The callWeatherWS() Method

Listing 8-4: The Mortgage Calculator Request/Response Interface Schema

Listing 8-5: The Mortgage Calculator Presentation Code

Listing 8-6: The Mortgage Calculator Consumer Code

Listing 8-7: availabilityRequestTemplate.xml

Listing 8-8: detailRequestTemplate.xml

Listing 8-9: reservationRequestTemplate.xml

Listing 8-10: The Hotel Detail View Integration

Listing 8-11: The checkAvailability Method

Listing 8-12: The makeReservation Method

Listing 8-13: The checkAvailability Response Stylesheet

Chapter 9: The Direction of Web Services

Listing 9-1: The WSDL file for a stock quote Web service

Listing 9-2: An ebXML order transaction