Developing Web Services with Java APIs for XML

530 Pages·2002·4.7 MB·English

by  Robert Hablutzel

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1 YEAR UPGRADE
BUYER PROTECTION PLAN
Developing
We b S e r v i c e s
with
J a v a A P I s
for XML Using WSDP
Jerry Foster
Mick Porter
Dreamtech Software, Inc.
Natalie Wear
Bob Hablutzel
Technical Editor
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PUBLISHED BY
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Developing Web Services with Java APIs for XML Using WSDP
Copyright © 2002 by Syngress Publishing,Inc.All rights reserved.Printed in the United States of
America.Except as permitted under the Copyright Act of 1976,no part of this publication may be
reproduced or distributed in any form or by any means,or stored in a database or retrieval system,
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may be entered,stored,and executed in a computer system,but they may not be reproduced for
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Printed in the United States of America
1 2 3 4 5 6 7 8 9 0
ISBN: 1-928994-85-7
Technical Editor:Bob Hablutzel Cover Designer:Michael Kavish
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Acquisitions Editor:Jonathan Babcock Copy Editor:Mike McGee and Jesse Corbeil
Indexer:Jennifer Coker
Distributed by Publishers Group West in the United States and Jaguar Book Group in Canada.
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Acknowledgments
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Publishers Group West for sharing their incredible marketing experience and
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and Joseph Chan of Transquest Publishers for the enthusiasm with which they receive
our books.And welcome back to Daniel Loh—glad to have you back Daniel!
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for all their help and enthusiasm representing our product in Canada.
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vv
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Contributors
Jay Foster has been an IT professional since 1989.His areas of expertise
include object-oriented design and modeling,software engineering,Web
based application design/development,extranet/intranet security,and N-
tier application development.He has extensive experience in the fol-
lowing technologies:Java Servlets,Enterprise JavaBeans (EJB),Java Server
Pages (JSP),Java Database Connectivity (JDBC),Remote Method
Invocation (RMI),Java Foundation Classes (JFC),Swing,OOA/OOD/
OOP using the Unified Modeling Language (UML),CORBA,Web
Services,.NET Framework,C#,ASP.NET,Web Security and Enterprise
Application Integration.Jay has been developing object-oriented systems
in Java since 1996 and is a Sun Certified Java Programmer.Jay has
authored several books on various Java programming topics.
Mick Porter (SSJCP,MCP) is a Senior Technical Architect for Logica,a
global systems integrator.Mick specializes in the design and implementa-
tion of wireless and mobile commerce systems.With 15 years of experi-
ence in the IT industry,Mick has worked on an enormous variety of
systems and projects,and over the last few years,he has delivered a
number of major e-commerce systems.Mick holds a bachelor’s degree in
Computer Science,and became a Sun Certified Java Programmer five
years ago,as well as having passed eight Microsoft Certified Professional
exams.Mick lives in Sydney,Australia,with his wife,Andrea,and children,
Holly and Anthony.
Jonothon Ortiz is Vice President of Xnext,Inc.in Winter Haven,FL.
Xnext,Inc.is a small,privately owned company that develops Web sites
and applications for prestigious companies such as the New York Times.He
has been a professional developer for over nine years now and has been
exposed to a wide range of programming languages and styles.He uses
JSP extensively to perform transformations of XML data in conjunction
with other languages.Jonothon lives with his wife,Carla,in Lakeland,FL.
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Dreamtech Software India Inc. is a software solution and service
provider that provides a broad range of services and offers a dynamic
blend of consultancy and system integration to help corporations build
and implement innovative e-business strategies.A futuristic vision moti-
vates the globally acclaimed software products of Dreamtech Software.
Dreamtech has already distinguished itself with an excellent track record
of publishing books on advanced technologies including XML and XSLT,
WAP,Bluetooth,3G ,peer-to-peer networking,C#,and Java.The success
of Dreamtech’s endeavors to provide world-class software products can be
gauged by the fact that its clientele includes some of the most distin-
guished names in IT-related publishing and solutions.
Natalie S.Wear is a Senior Java Developer and Systems Engineer at
Telecommunications Services,Inc.in Tampa,FL.She creates code designs,
provides architecture recommendations,and writes software for the Java
applications used within her department.Such applications are primarily
centered on back-end integration using XML and wireless industry-stan-
dard APIs.Her specialties include e-commerce,CORBA implementation,
back-end system integration,and internet/intranet development.Natalie’s
background includes positions as Senior Java Engineer at Verizon Wireless
and as an instructor of Vitria at PriceWaterhouseCoopers,LLP.She also
teaches an undergraduate course on Java at the University of South
Florida.Natalie holds a bachelor’s degree in Political Science and another
bachelor’s degree in Management Information Systems (MIS) from the
University of South Florida.She holds a master’s degree in Business
Administration (MBA) from the University of South Florida.
Greg Bylenok is a Software Engineer with iConverse.In his role at
iConverse,Greg is involved in the design and development of products
for the mobile industry.He has been using Java,J2EE,and XML tech-
nologies in his daily work for over three years.
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Technical Editor and Contributor
Bob Hablutzel is a Senior Consultant with 20 years experience in
enterprise-scale software systems.He is currently a Founding Partner in
InflexionPoint,a consultancy whose practice spans the full cycle of a soft-
ware product,from business needs analysis through architecture,develop-
ment,debugging,and deployment.Bob is particularly interested in the
efficiency and accuracy of large systems and has advised numerous pro-
jects on the identification and elimination of bottlenecks and errors.His
background also includes time as CTO and Principle Architect of various
startup companies.Bob’s Web Services experience includes being a
founding member of the XAML (XML-based business transactions)
working group and implementing high-availability and clustering for the
Bowstreet XML-based application server.His Java experience includes
implementation of Java bytecode compilers and contributing to the book
Sun Certified Programmer for Java 2.Bob lives in New Hampshire with his
wife,Trish,and daughters,Anna and Katie.
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Contents
Foreword xxiii
Answers to You Chapter 1 Introduction to the JWSDP 1
Frequently asked Introduction 2
Questions
JWSDP History 3
JAXP 3
Q: What is the JWSDP?
JAXM 4
A: The JWSDP is a JAX-RPC 5
collection of libraries,
JAXR 6
tools, and standard
interfaces designed to JSSE 6
ease the development JSTL 7
of XML-based Web
Ant and Tomcat 7
services in the Java
programming Summary 9
language. Solutions Fast Track 9
Frequently Asked Questions 12
Chapter 2 Processing XML Documents
with SAX 13
Introduction 14
Understanding Event-Based XML Parsing 14
The SAX Event Model 15
Overview of Event Processing 15
History of SAX 16
Basic SAX Events 17
Example Parse Events 18
Understanding Event Handlers 18
Overview of Handlers 18
Basic SAX Callbacks 19
Example Event Handler 22
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