Web Services: Principles and Technology Review

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Web Services: Principles and Technology ReviewThis book stands out from the vast array of contemporary SOA and Web services literature in many ways:
1) It presents business context and technical requirements for Web services design on an adequate level of detail.
2) It provides important historical insight without putting the reader to sleep.
3) It covers relevant related work such as e-business, EAI, and networking as needed, unlike most other Web services books.
4) It separates abstract concepts such as messaging from implementation technology such as JMS appropriately, but shows the connections when needed.
5) It builds up a non-trivial example that demonstrates how the various specifications fit together, many unique illustrations help to digest.
6) It has non-trivial exercises that will deepen your understanding.
7) The author's has a hype-free, vendor-neutral writing style and is very experienced in his field.
It always is a good sign if as a reader I want more... so I would also have been interested in the author's view on the ongoing WS-*/SOAP vs. REST debate, and about adoption of the presented concepts and technologies in the industry (tools and project usage); for example, UDDI does not seem to have much traction these days. Maybe something for the Website accompanying the book, which will also have additional material for students and lecturers?
As a practicing IT architect, I have helped many companies to transform their existing applications into Web services-based SOAs. As a book author, I have captured my own experience with the technology in writing. As a researcher, I now investigate many of the architecture design issues the author points out. Still, I find this book to be very educational and informative; I highly recommend it for practitioners, students, and researchers that want to understand the big picture as well as technical rationale and details behind the various concepts and technologies. Those of you that believe some WSDL-to-Java wizards or RESTful POX/HTTP calls are all that is required for successful enterprise development and integration, please do have a look as well - you will begin to appreciate that there is more to the picture!Web Services: Principles and Technology OverviewThe first textbook to focus on Web Services – the wave of the future for Web-based distributed computing.

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Java Web Services Review

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Java Web Services ReviewAt 250 pages, this book is a good introduction to Java web services but there just isn't enough material here to do serious Java development. The coverage of WSDL, SOAP, and UDDI gives a good overview but is too short for some actually deploying a web service. And there are only 26 pages devoted to JAX-RPC and JAXM, the most important Java APIs for web services. A better book is "Building Web Services with Java" (Sams) but even that has only a cursory review of Sun's Java Web Services Developer Pack. If you're a serious developer, you'll need to download JWSDP from Sun and go through the tutorial to learn the APIs.Java Web Services Overview
For many Java developers, web services appeared to come out of nowhere.Its advantages are clear: web services are platform-independent (like Java itself), language-agnostic (a clear advantage over Java RMI), can easily be tunneled through firewalls (an obvious benefit to anyone who has dealt with modern enterprise networks), object-oriented (we all know about that), and tends to be loosely coupled (allowing more flexible application development).But these advantages have been obscured by a cloud of hype and a proliferation of jargon that are difficult to penetrate.What are SOAP, UDDI, WSDL, and JAXM?To say nothing of JAXR, tModels, category bags, WSFL, and other friends?And assuming that you understand what they are, how do you do anything with them?Do they live up to their promises?Are they really the future of network computing, or a dead end?

Java Web Services gives the experienced Java developer a way into the Web Services world.It helps you to understand what's going on, what the technologies mean and how they relate, and shows Java developers how to put them to use to solve real problems.You'll learn what's real and what isn't; what the technologies are really supposed to do, and how they do it.Java Web Services shows you how to use SOAP to perform remote method calls and message passing; how to use WSDL to describe the interface to a web service or understand the interface of someone else's service; and how to use UDDI to advertise (publish) and look up services in each local or global registry.Java Web Services also discusses security issues, interoperability issues, integration with other Java enterprise technologies like EJB; the work being done on the JAXM and JAX-RPC packages, and integration with Microsoft's .NET services.

The web services picture is still taking shape; there are many platforms and APIs to consider, and many conflicting claims from different marketing groups.And although web services are inherently language-independent, the fit between the fundamental principles on which Java and web services are based means that Java will almost certainly be the predominant language for web services development.If you're a Java developer and want to climb on the web services bandwagon, or if you only want to "kick the tires" and find out what web services has to offer, you will find this book indispensable.


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Programming Web Services with Perl Review

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Programming Web Services with Perl ReviewSome time ago, I purchased a different book: "Programming Web Services With SOAP" (ASIN: 0596000952), and my feeling - and that of many others - is that it was very weak. A decent view from 30,000 feet, but it was not very helpful to a perl developer thrown kicking and screaming into a project requiring XML and the use of SOAP::Lite. "Disappointment" was the best way to describe it.
But *THIS* is the book that the other one should have been - it's fantastic. It is chock-full of real live examples *with code*, the introductory and explanatory material is excellent, and the writing style is simply a joy to read.
In particular, the reference material for SOAP::Lite is very much welcome: it was written by the author of the code.
Five very glowing stars for this book.Programming Web Services with Perl Overview
Given Perl's natural fit for web applications development, it's no surprise that Perl is also a natural choice for web services development. It's the most popular web programming language, with strong implementations of both SOAP and XML-RPC, the leading ways to distribute applications using web services. But books on web services focus on writing these applications in Java or Visual Basic, leaving Perl programmers with few resources to get them started. Programming Web Services with Perl changes that, bringing Perl users all the information they need to create web services using their favorite language.

Programming Web Services with Perl steers clear of the hype surrounding web services and concentrates on what is useful and practical. The book introduces the major web services standards, such as XML-RPC, SOAP, WSDL, and UDDI, and shows how to implement Perl servers and clients using these standards. You'll find detailed references on both the XML and SOAP toolkits, and learn when to use one technology in favor of the other. The book is rich with programming examples that you'll find useful well past the learning stage. And, moving beyond the basics, the book offers solutions to problems of security, authentication, and scalability.

Some of the topics covered in the book are:

HTTP and XML basics
XML-RPC and the toolkits
SOAP and toolkits
SOAP::Lite
Using SOAP with SMTP and other protocols
Advertising and discovering with UDDI and WSDL
The REST methodology
The future of web services
Programming Web Services with Perl was written for Perl programmers who have no prior knowledge of web services. You can pick up this book without any understanding of XML-RPC or SOAP and be able to apply these technologies easily, through the use of publicly available Perl modules detailed in the book.
If you're interested in applying XML-RPC and SOAP technologies to distributed programming applications, then Programming Web Services with Perl is a book you'll want to have.


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SOA Using Java Web Services Review

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SOA Using Java Web Services ReviewMark Hansen says SOA using Java Web Services is hard and he seems to do his best to prove it.
The author states in the Preface, "...it is inevitable that I will have disappointed some readers because a particular topic of interest to them isn't covered." For me, that wasn't the problem. The problem was there was not enough grounding in what I already know to give me enough lift to understand the text.
I couldn't really follow most of the book. Reading this book, my concentration collapsed under a borage of acronyms and complex notations. I don't think this book is for someone who is not already nearly an expert on the subject. Too many times I saw phrases like "my purpose is not to write a detailed tutorial for..." -- leaving me wondering what background information he would provide.
I cannot say this is a bad book. I can only say I didn't get much out of it and that most developers would be challenged themselves. I am not an expert in SOA or Web Services, but I have been a Java developer more than six years and a software engineer for more than 20.
Despite being a book about Java Web Services, there is really not very much Java in the book. It's mostly dense text with XML examples.
SOA Using Java Web Services OverviewExpert Solutions and State-of-the-Art Code ExamplesSOA Using Java™ Web Servicesis a hands-on guide to implementing Web services and Service OrientedArchitecture (SOA) with today's Java EE 5 and Java SE 6 platforms.Author Mark Hansen presents in explicit detail the information thatenterprise developers and architects need to succeed, frombest-practice design techniques to state-of-the-art code samples.
Hansencovers creating, deploying, and invoking Web services that can becomposed into loosely coupled SOA applications. He begins by reviewingthe "big picture," including the challenges of Java-based SOAdevelopment and the limitations of traditional approaches. Next, hesystematically introduces the latest Java Web Services (JWS) APIs andwalks through creating Web services that integrate into a comprehensiveSOA solution. Finally, he shows how application frameworks based on JWScan streamline the entire SOA development process and introduces onesuch framework: SOA-J.
The book

Introduces practical techniques for managing the complexity of Web services and SOA, including best-practice design examples
Offers hard-won insights into building effective SOA applications with Java Web Services
Illuminates recent major JWS improvements–including two full chapters on JAX-WS 2.0
Thoroughly explains SOA integration using WSDL, SOAP, Java/XML mapping, and JAXB 2.0 data binding
Walksstep by step through packaging and deploying Web services components onJava EE 5 with JSR-181 (WS-Metadata 2.0) and JSR-109
Includesspecific code solutions for many development issues, from publishingREST endpoints to consuming SOAP services with WSDL
Presentsa complete case study using the JWS APIs, together with an Ajax frontend, to build a SOA application integrating Amazon, Yahoo Shopping, andeBay
Contains hundreds of code samples–all tested with theGlassFish Java EE 5 reference implementation–that are downloadable fromthe companion Web site, http://soabook.com.
Foreword Preface Acknowledgments About the Author Chapter 1: Service-Oriented Architecture with Java Web Services Chapter 2: An Overview of Java Web Services Chapter 3: Basic SOA Using REST Chapter 4: The Role of WSDL, SOAP, and Java/XML Mapping in SOA Chapter 5: The JAXB 2.0 Data Binding Chapter 6: JAX-WS–Client-Side Development Chapter 7: JAX-WS 2.0–Server-Side Development Chapter 8: Packaging and Deployment of SOA Components (JSR-181 and JSR-109) Chapter 9: SOAShopper: Integrating eBay, Amazon, and Yahoo! Shopping Chapter 10: Ajax and Java Web Services Chapter 11: WSDL-Centric Java Web Services with SOA-J Appendix A: Java, XML, and Web Services Standards Used in This Book Appendix B: Software Configuration Guide Appendix C: Namespace Prefixes Glossary References Index

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Designing Web Services with the J2EE 1.4 Platform: JAX-RPC, SOAP, and XML Technologies (Java Series) Review

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Designing Web Services with the J2EE 1.4 Platform: JAX-RPC, SOAP, and XML Technologies (Java Series) ReviewThis book is primarily geared towards reader at the architectural end of the spectrum. Code samples are few and far between, and the illustrations are primarily UML. That's not a bad thing, it's just a matter of what you are looking for. Though even for an architecture work I would like to see a little more code (thus the four stars instead of five.)
The book starts with XML basics, then spends the largest portion of the book on SOAP and JAX-RPC, then finishes off with an excellent chapter on security issues. There is some mention of mobile, but nothing in depth.
I recommend this book to Java architects who want to learn more about this topic. Front line engineers will probably want to concentrate on API centric books on Java Web Services, most likely from O'Reilly.Designing Web Services with the J2EE 1.4 Platform: JAX-RPC, SOAP, and XML Technologies (Java Series) OverviewWritten by Sun Microsystems' Java™ BluePrints team, Designing Web Services with the J2EE™ 1.4 Platform is the authoritative guide to the best practices for designing and integrating enterprise-level Web services using the Java 2 Platform, Enterprise Edition (J2EE) 1.4. This book provides the guidelines, patterns, and real-world examples architects and developers need in order to shorten the learning curve and start building robust, scalable, and portable solutions.The authors use the Java Adventure Builder application to bring the design process to life and help illustrate the use of Java APIs for XML Processing (JAXP), Java APIs for XML-Based RPC (JAX-RPC), and other Web service and Java-XML technologies. Key topic coverage includes:Web service requirements and design issues Support for Web services provided by the J2EE 1.4 platform Designing and implementing Web service end points Writing efficient Web service client applications Designing and developing XML-based applications Integrating applications and data using Web services The J2EE platform security model as it applies to Web services A coherent programming model for designing and developing Web service endpoints and clients Designing Web Services with the J2EE™ 1.4 Platform provides the insight, advice, and detail that make it easier to create effective Web service applications using the J2EE 1.4 platform.

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J2EE Platform Web Services Review

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J2EE Platform Web Services ReviewThis is clearly not a how-to book for the programmer tasked with the creation of a simple web service that needs to be up within a couple days. There are no long pages of code reprints or on-liner "Hello-world". No, this book is better seen as a concentrate of experience from people involved in designing large scale enterprise class services. Reading this book is akin to peeking into their notes at the end of the project: business cases, use cases, technology overviews and systems diagrams are the type of material the author has assembled.
The book covers Web Services from the perspective of Sun's architecture, tools and technologies in a vendor neutral fashion. Considering the title, this should not be a surprise for anyone. After a review of the notion of services as well as the enabling technologies (XML, UDDI, SOAP, WSDL, ebXML, Service Registries), the author describes some best practices and reference designs that were successful on some large scale projects mixing services, legacy systems and the internet.
The book will particularly appeal to the managers who want to understand why web services should be on their radar screens, and the architects who will design the solutions. I particularly enjoyed the diagrams which give a very good high level view of the problems at hand, as well as list of references at the end of each section. These are usually a good addition to the book's content for people wanting to dig deeper. Altogether this is the type of book I like, where the author clearly exposes the forces and risks of each proposed solution.J2EE Platform Web Services OverviewThis book is a strategic roadmap for building next generation J2EE Web Services solutions architecture. It provides the reader with the concepts, design approach and implementation guidelines for adapting Web Services technology (e.g., Java, XML, UDDI and SOAP) with extensive real-world examples from the Financial Services industry. The book also includes extensive design and implementation details on adapting various technologies. The author discusses how Web Services technology, mainframe interoperability, services consolidation, wireless technology and XML are used in various business areas. The book also includes a technology overview of different aspects of Web Services. As a result, Lai manages to marry both the business and the technology aspects in one comprehensive guide to Web services. There are break-out sections in At a Glance (summary section at the beginning of each chapter), Analyst's View (tips and hints for technology implementation, risks, pitfalls) and Best Practices (design patterns or best practices from industry experience).

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