Web Services Essentials

Seasoned author Ethan Cerami delivers a hype-free introduction to the capabilities of web services, followed by the details on how they work. The author explains and demonstrates the core protocols, showing developers how they interact and how best to apply them to particular web service situations. Demonstrations are written primarily in Java, with other languages used to demonstrate interoperability. Web Services Essentials covers SOAP, UDDI, and WSDL. This is the only book to cover web services from a vendor-neutral perspective

Ethan Cerami is a Senior Software Engineer at the Center for Computational Biology at Memorial Sloan Kettering Cancer Center, and an adjunct faculty in the Department of Computer Science at New York University. He is the author of Web Services Essentials (O'Reilly), and is currently hard at work on "XML for Bioinformatics" (O'Reilly).

Preface

ix

Part I. Introduction to Web Services

Introduction

3

(26)

Introduction to Web Services

3

(6)

Web Service Architecture

9

(4)

XML Messaging

13

(3)

Service Description: WSDL

16

(2)

Service Discovery: UDDI

18

(1)

Service Transport

18

(2)

Security Considerations

20

(2)

All Together Now

22

(2)

Standards and Coherence

24

(5)

Part II. XML-RPC

XML-RPC Essentials

29

(20)

XML-RPC Overview

29

(1)

Why XML-RPC?

30

(1)

XML-RPC Technical Overview

31

(9)

Developing with XML-RPC

40

(6)

Beyond Simple Calls

46

(3)

Part III. SOAP

SOAP Essentials

49

(16)

SOAP 101

50

(2)

The SOAP Message

52

(4)

SOAP Encoding

56

(4)

SOAP via HTTP

60

(2)

SOAP and the W3C

62

(1)

SOAP Implementations

63

(2)

Apache SOAP Quick Start

65

(20)

Installing Apache SOAP

65

(3)

Hello, SOAP!

68

(10)

Deploying SOAP Services

78

(4)

The Tcp TunnelGui Tool

82

(2)

Web Resources

84

(1)

Programming Apache SOAP

85

(34)

Working with Arrays

85

(5)

Working with JavaBeans

90

(10)

Working with Literal XML Documents

100

(6)

Handling SOAP Faults

106

(6)

Maintaining Session State

112

(7)

Part IV. WSDL

WSDL Essentials

119

(38)

The WSDL Specification

120

(2)

Basic WSDL Example: Hello Service.wsdl

122

(6)

WSDL Invocation Tools, Part I

128

(2)

Basic WSDL Example: XMethods eBay Price Watcher Service

130

(3)

WSDL Invocation Tools, Part II

133

(2)

Automatically Generating WSDL Files

135

(5)

XML Schema Data Typing

140

(17)

Part V. UDDI

UDDI Essentials

157

(43)

Introduction to UDDI

157

(2)

Why UDDI?

159

(2)

UDDI Technical Overview

161

(1)

UDDI Data Model

161

(7)

Searching UDDI

168

(14)

Publishing to UDDI

182

(16)

UDDI Implementations

198

(1)

Web Resources

199

(1)

UDDI Inquiry API: Quick Reference

200

(21)

The UDDI Inquiry API

201

(20)

UDDI 4J

221

(52)

Getting Started

221

(1)

Finding and Retrieving UDDI Data

222

(7)

Publishing UDDI Data

229

(3)

UDDI4J Quick Reference API

232

(41)

Glossary

273

(6)

Index

279

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Web Services Essentials

Summary

Author Biography

Table of Contents

Supplemental Materials