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Product Description
Product Description
The Google Web Toolkit is a new technology that automatically translates Java into JavaScript, making Ajax applications easier to code and deploy. GWT in Action is a comprehensive tutorial for Java developers interested in building the next generation of rich, web-based applications. This book was written by Robert Hanson, creator of the popular GWT Widget Library and Adam Tacy a major contributor to the GWT Widget Library.
There is a new emphasis on building rich, web-based applications. These applications can be difficult to build because they rely on JavaScript, which lacks the sophisticated object-oriented structures and static typing of Java, they are tricky to debug, and they require you to manage numerous browser inconsistencies.
In May of 2006 Google released the Google Web Toolkit (GWT). GWT enables developers to create Ajax applications in Java. With GWT, you can build your applications using a real object-oriented language and take advantage of Java tools like Eclipse that are already available. Instead of trying to bring tool support to Ajax, Google brought Ajax to a place where the tools already existed.
GWT in Action shows you how to take advantage of these exciting new tools. Readers will follow an example running throughout the book and quickly master the basics of GWT: widgets, panels, and event handling. The book covers the full development cycle, from setting up your development environment, to building the application, then deploying it to the web server. The entire core GWT library is discussed, with details and examples on how it can be extended.
GWT helps you make the most of Ajax in your web applications and GWT in Action helps you get more out of GWT. Readers can download Early Access Chapters of GWT in Action now and participate in the Author Forum by visiting at the Manning site.
About the Author
Robert Hanson
is an Internet application maintenance specialist dealing with a
host of different languages, databases, platforms, and frameworks. He has been
programming professionally for over 10 years, half of which has been spent maintaining
and enhancing existing web applications. Robert is the maintainer of the
popular open-source project, GWT Widget Library, a collection of tools and
widgets for the Google Web Toolkit.
Adam Tacy is an IT consultant with a track record of delivering Java applications
across the energy and automobile industries. He is involved in evaluating and
bringing structure to new development technologies, often in early adopter
projects as the project manager. Adam has contributed a number of widgets to the
GWT Widget Library.
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Customer Reviews
It starts slow, using more than 100 pages to show how run the commands to create a standard project. It has a tendency to repeat the same stuff two, and even three times. The widgets are treated in an order that's not suitable for learning, or trying them out. The first examples unnecessarily mix in junk code that shouldn't be there at that time, because it adds nothing but confusion at that point.
It's only slightly easier to read than the stuff at the Google GWT site. It will save you a few hours to work from this book, but it won't do more than that. I would recommend supplementing the book with the examples from the GWT site.
You won't read this book again after having worked through your first few examples. But it's better than the tutorials on the net.
In the initial chapters, I felt that the authors were sticking rigidly to the statement "... we are convinced that for learning to become permanent it must pass through stages of exploration, play, and, interestingly, re-telling of what has been learned.". The 're-telling' was very evident, for example the chapters would start with telling you what will be learnt in the chapter, then the chapter contents would re-iterate some of the start of the chapter and then there would be a table in the chapter to summarise the development steps that you had just read about, and then the summary of the chapter which re-hashes some of the information again. In some cases some chapters also repeated information from other chapters.
I appreciated the use of UML diagrams in places and felt that the non-standard diagrams could easily have been UML diagrams for consistency.
The steps to setup the project are dull and unfortunately I felt that the book spent a little too much effort in this area. I did hit a couple of problems but the online forum was very responsive and helpful.
I am an experienced Java Swing developer and from this point of view I found the GUI 'planning', 'coding', 'testing' and 'deploying' chapters very useful and well written. I could easily migrate my Swing knowledge to GWT after reading the book.
I didn't particularly like the 'Dashboard' sample application used throughout the book, but I have to admit that it's very rare for me to find a book with a decent (production-quality) example - but it did emphasise how GWT could be used for a very large ajaxy web application.
For any Java / Swing developers, I think you will find this book invaluable to generate web applications without having to know much about HTML and Javascript - although there are times where unfortunately you do have to get your hands a (little) bit dirty.
The latter chapters were very good - covering design patterns, junit testing and integrating with other 3rd party services. I found that part of the book far more rewarding than the Dashboard examples.
There are plenty of 'tips' that are worth knowing about that are contained in the book, i.e. plug-ins for firefox to aid debugging.
I can see me diving into this book whilst developing which is a testament to the amount of information available. Admittedly most of this information seems to be available on the Google website, but if you are like me and concentrate better by reading a book, I would recommend this as a very good book (just don't feel compelled to read the repetative bits!).
A minor point, the fonts I found very readable in this book, a contrast to the "A tutorial Java 6 new features" book that I received at the same time.
Oh yes, the initial part of the book seemed a little hands-on, where I was following the steps to create some simple application, but as the book went on there was none ofthat really happening - but that's the way I prefer it!
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