Java Web Services Unleashed

Robert J. Brunner is an author and member of the research staff at the California Institute of Technology, where his research focuses on knowledge discovery in large, distributed datasets. He also was an instructor at the Center for Advanced Computing Technology at the California State Polytechnic University in Pomona, where he taught and developed applications using both Java and XML. He's currently a member of the Java Data-Mining Expert Group, and is also writing Enterprise Java Database Programming (ISBN: 0-201-76734-1) for Addison-Wesley. Frank Cohen is a software entrepreneur who has contributed to the worldwide success of personal computers since 1975. He began by writing operating systems for microcomputers, helping establish video games as an industry, helping establish the Norton Utilities franchise, leading Apple's efforts into middleware and Internet technologies, and most recently serving as principal architect for the Sun Community Server, Inclusion.net, and TuneUp.com. Frank maintains the open-source Load project and is CEO for PushToTest, a scalability and performance testing solutions company. You can reach Frank at fcohen@pushtotest.com. Francisco Curbera holds a Ph.D. in Computer Science from Columbia University, and is currently a Research Staff Member at IBM's T.J. Watson Research Center. He has worked for several years on the use of markup languages for application development and composition of software components, including the definition of the Bean Markup Language (BML), and the design of algorithms for managing XML documents. More recently, he has been involved in the definition and implementation of several Web services specifications. He is one of the authors of the Web Services Description Language (WSDL) and of the Web Services Flow Language (WSFL). Darren Govoni is a Distinguished Engineer at Cacheon, Inc. in San Francisco, where he is responsible for product architecture and technology roadmapping. Darren is an active writer and speaker on Java technologies, P2P systems, Web services, and adaptive computing. In 1999, Darren founded Metadapt Design Systems with an emphasis on design metaphors for complex adaptive systems. His research forms the basis for Cacheon technology and products. Previously, he contributed to JXTA: Java P2P Programming (ISBN: 0-672-32366-4). He can be reached at dgovoni@metadapt.com. Steven Haines is currently the technical Product Manager for all J2EE products at Quest Software and part of the architectural team that defines the technical and strategic direction of future products; he previously worked as the architect on a various range of J2EE products from large-scale B2B e-commerce applications to tight high-volume Web-driven applications. He has taught Java at Learning Tree University, with topics ranging from beginning Java through advanced courses, including JSP/Servlet-based Web development and Enterprise JavaBeans. In addition to publishing Java 2 From Scratch (Que, ISBN: 0-7897-2173-2) in late 1999, he writes an Enterprise Java column on InformIT.com. Matthias Kloppmann is a Senior Software Engineer with IBM Software Group's lab in Böblingen, Germany. He holds an M.S. in Computer Science and Electrical Engineering from the University of Stuttgart. Matthias has many years of experience with building workflow systems, both in C++ and, more recently, in Java. He has participated in the creation of WSFL, the Web Services Flow Language, and the design of the XML and Web services extensions for MQSeries Workflow. Currently, Matthias is working as a workflow architect on WebSphere, IBM's J2EE application server. Benoît Marchal is a writer and consultant. He has been working with Java since 1996 at Pineapplesoft. In 1997, he co-founded the XML/EDI Group, a think-tank that promotes the use of XML for e-commerce. He is a columnist for Gamelan and developerWorks. He also wrote the two editions of XML by Example (Que, 2nd edition ISBN: 0-7897-2504-5) and Applied XML Solutions (Sams, ISBN: 0-672-32054-1). More details on these topics are at http://www.marchal.com. K. Scott Morrison is the Director of Architecture and Technology for Infowave Software. He is currently leading a number of teams confronting the challenges in opening corporate data stores to an ever-increasing variety of wireless devices. He is a frequent and very popular speaker on topics in XML, Java, and wireless system architectures. Prior to his joining Infowave, Scott was the Senior Architect in the e-business division at IBM's Pacific Development Centre. While at IBM, his focus was on building high-volume, high-transaction rate Web systems for travel and transportation, as well as designing and auditing Internet security architectures for government and financial sector clients. Scott began his career by spending eight years involved in medical imaging research at the University of British Columbia. Here, he worked on Positron Emission Tomography (PET) brain scanner design, produced educational CDROMs about Alzheimer's disease for physicians, and conducted original research into neurodegenerative disorders. He has been published extensively in leading journals in medicine and in physics. He has also been a consultant on a number of feature film and television productions. Scott's current research interests lie in enterprise XML messaging architectures, Java/XML integration, and development frameworks for wireless systems. Arthur Ryman is a Senior Technical Staff Member at the IBM Canada Laboratory, where he has worked as a software developer since 1982. He is currently the architect for Web Services tools in WebSphere Studio Application Developer. Prior to that, he was the solution architect for VisualAge for Java, specializing in tools for developing servlets and JavaServer Pages. Arthur is a member of the IBM Academy of Technology, an Adjunct Professor of Computer Science at York University, Toronto, and a Sun Certified Java Programmer. Joseph Weber is a frequent contributor to a variety of magazines and other resources. Java Web Services Unleashed marks Mr. Weber's 10th book. Joe has provided Senior Leadership in software definition, research, development, and implementation for Fortune 200 and large government organizations. He has been working with Java since its early alpha stages and has helped advise a number of Fortune 500 companies on the goals of Java. Mr. Weber has served on advisory committees for and taught classes at universities in the Midwest. Previously, Joe co-wrote Que's Special Edition Using Java (1.3 edition ISBN: 0-7897-2468-5). Mark Wutka has been programming since the Carter administration and considers programming a relaxing pastime. He managed to get a computer science degree while designing and developing networking software at Delta Air Lines. Although he has been known to delve into areas of system and application architecture, he isn't happy unless he's writing code¿usually in Java. As a consultant for Wutka Consulting, Mark enjoys solving interesting technical problems and helping his coworkers explore new technologies. He has taught classes, written articles and books, and given lectures. His first book, Hacking Java, outsold Stephen King at the local technical bookstore. He's also known for having a warped sense of humor. Most recently, Mark wrote Special Edition Using Java Server Pages and Servlets (ISBN: 0-7897-2441-3) and Special Edition Using Java 2 Enterprise Edition (ISBN: 0-7897-2503-7) He plays a mean game of Scrabble, a lousy game of chess, and is the bane of every greenskeeper east of Atlanta. He can be reached via e-mail at mark@wutka.com. You can also visit his company Web site at http://www.wutka.com.

Introduction.
I. Introduction to Web Services.

1. What Are Web Services?


B2B Means A2A. Bringing All the Pieces Together. Ideology Wars Without Just One Winner. Changing Businesses Everywhere. What Are Web Services? The Impact of Web Service Technologies. Summary.

2. The Internet and Web Services: Changing Business.


A New Old Thing. Metamodeling Your Business. The Technical Appeal of Web Services. Business Roles. Effects on Business Models. The Business Case. Business Directions and Perspectives. Summary.

3. Becoming a Web Services Provider.


Searching for Practical Examples. Web Service Availability. Finding Web Services Applications. Different Web Service Providers. Preparing for the Future. Summary.

4. Building Web Services with Java.


Web Services Architecture. Java Building Blocks. The Future of Java Web Services. Summary.

5. A Simple Java Web Service.


The Application. The Web Service Framework. Invoking a SOAP Service. Under the Covers. Generating Web Services. Publishing and Finding Services. Summary.

6. Building a JSP Web Service.


The Application. Building the Web Service. The ByteGourmet Server. Summary.

II. Web Services Tools.

7. Understanding SOAP.


History of SOAP. SOAP Basics. Messaging Framework. The SOAP Encoding. Transport Options. Summary.

8. SOAP Basics.


Writing SOAP Nodes. A Simple Web Service: Booking Service. Public Interface: Design Considerations. Apache SOAP for RPC. Summary.

9. UDDI.


UDDI in Web Services: Why Is It Needed? Basic UDDI. UDDI Roles. Summary.

10. UDDI in Depth.


Inquiry: Finding Items. Inquiry: Getting Details. Publishing. Replication. Summary.

11. WSDL.


Welcome to WSDL. Communication Processes. Types. Messages. Operations. Port Type. Binding. Port. Service. Creating WSDL Documents from a Java Class. Accessing a Web Service via a WSDL Document. Summary.

III. The JAX Pack.

12. JAXP.


XML Components. Simple API for XML (SAX) Parser. Document Object Model (DOM). XSLT. JAXP and Web Services. Summary.

13. JAXB.


Prerequisites. JAXB Terminology. Binding an XML Schema to a Class. Using JAXB-Built Classes. Advanced Binding Schemas. Subclassing a Generated Class. Summary.

14. JAXR.


The Need for a Registry API. Basic JAXR Classes. The JAXR Data Model. Using JAXR. Summary.

15. JAXM.


Introduction to JAXM. Architecture. Implementation. Basic Steps. Connections. Endpoints. Messages. Tying It All Together. Summary.

16. JAX-RPC.


Why Another API? Data Mapping. Service Mapping. Comparing JAX-RPC with Other Distributed Technologies. Summary.

IV. Completing Web Services.

17. Handling Security in Web Services.


Why Is Encryption Important? Encryption in Java. Using Secure Sockets with SOAP. Encryption in XML. Summary.

18. Web Services and Flows (WSFL).


Service Flow and Service Composition. Flow Modeling Concepts. Flows as Compositions of Web Services. Exposing Flows as Web Services. Public and Private Flows. Global Models. References. Summary.

19. Web Services Invocation Framework (WSIF).


Time Server Introduction. Apache SOAP Client. WSDL File. WSIF Dynamic Client. The Dynamic Invoker. Java Stub Generation. Summary.

V. Implementing Web Services.

20. Inventory Management Application.


Architecture. A Web Inventory. At the Wholesaler Site. At the Reseller Site. Building and Running the Project. Summary.

21. Stock Trading Application—EJB.


User Authentication. Application Architecture. SOAP and Enterprise Java Beans. Software Packages. The StockTrading SOAP Object. The Trading Session Bean. Entity Beans. A Test Client. Summary.

22. Testing Web Services.


Framework for Developing Web services. Test Strategies. Testing Web Services Using TestMaker. New Web Services Technology, New Test Methodology. Scalability and Performance Testing. Building Maintainable Test Agents with TestMaker. Script Languages and Test Agents. Monitoring Web Services for Service Level Guarantees. Resources. Summary.

23. Tools for Building Web Services.


Overview of Web Services Development Tasks. A Quick Tour of Web Services Tools. Tools for Creating Web Services. Tools for Deploying Web Services. Tools for Testing Web Services. Tools for Publishing Web Services. Tools for Discovering Web Services. Tools for Accessing Web Services. Summary.

24. Building Web Services with WebLogic.


Web Services in WebLogic. How It Works. Development Lifecycle and Environment. The Curmudgeon. Next Generation Web services. Resources. Summary.

Index.