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Beginning Google Web Toolkit: From Novice to Professional
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Produktbeschreibungen
Kurzbeschreibung
The open source, lightweight Google Web Toolkit (GWT) is a framework that allows Java developers to build rich Internet applications (RIAs), more recently called Ajax applications, in Java. Typically, writing these applications requires a lot of JavaScript development. However, Java and JavaScript are very distinctively different languages (although the name suggests otherwise), therefore requiring a different development process. In Beginning Google Web Toolkit: From Novice to Professional, you'll learn to build rich, user friendly web applications using a popular Java based Ajax web framework, the Google Web Toolkit. The authors will guide you through the complete development of a GWT front-end application with a no nonsense, down to earth approach. You'll start with the first steps of working with GWT and learn to understand the concepts and consequences of building this kind of application. During the course of the book, all the key aspects of GWT are tackled pragmatically, as you're using them to build a real world sample application. Unlike many other books, the inner workings of GWT and other unnecessary details are shelved, so you can focus on the stuff that really matters when developing GWT applications. What you'll learn * Get a solid foundation to develop RIAs. * Understand the basics of the GWT Framework and its components. * Fit GWT into your application's life cycle and development process. * Develop rich web front end GUIs using widgets, composite widgets, panels, and much more. * Integrate with remote procedure call (RPC) and various other data formats. * Reinforce principles learned throughout the book by working through a real world sample application created with GWT from scratch. Who this book is for Beginning Google Web Toolkit: From Novice to Professional is written for Java developers of all levels who want to start building rich Internet applications. The book assumes no prior knowledge of developing Ajax applications and/or working with JavaScript.
Synopsis
The open source, lightweight Google Web Toolkit (GWT) is a framework that allows Java developers to build Rich Internet Applications (RIA), more recently called Ajax applications, in Java. Typically, writing these applications requires a lot of JavaScript development. However, Java and JavaScript are very distinctively different languages (although the name suggests otherwise), therefore requiring a different development process. In Beginning Google Web Toolkit: From Novice to Professional, you ll learn to build rich, user friendly web applications using a popular Java based Ajax web framework, the Google Web Toolkit. The authors will guide you through the complete development of a GWT front end application with a no nonsense, down to earth approach. You ll start with the first steps of working with GWT and learn to understand the concepts and consequences of building this kind of application. During the course of the book, all the key aspects of GWT are tackled pragmatically, as you re using them to build a real world sample application.Unlike many other books, the inner workings of GWT and other unnecessary details are shelved, so you can focus on the stuff that really matters when developing GWT applications.
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10 von 10 Kunden fanden die folgende Rezension hilfreich
Good, but out of date
12. Dezember 2009
Format:Taschenbuch|Von Amazon bestätigter Kauf
The book is well written but is now terribly out of date. The book was written for GWT version 1.5, but at the time of my purchase GWT 1.7 was the latest release. There were more differences than I expected. In just the first third of the book I found the following:
- applicationCreator.cmd is no longer a GWT command. It has been replaced by webAppCreator.cmd
- webAppCreator.cmd creates a different directory structure than the illustrated examples.
- The default application that GWT generates has changed.
- A new event model was introduced in GWT 1.6. Specifically, Listeners are replaced with Handlers. You will encounter this for the first time in chapter 3.
- While I was following the exercises using GWT 1.7, Google released GWT 2.0 which further obsoleted this edition. The 2.0 release introduced a declarative UI with UIBinder. Of course that won't be in this book. Also in 2.0 "Development Mode" replaced the "Hosted Mode" which is great but will confuse the novice using this book as guidance.
The only way this book would be helpful is if you download GWT 1.5 to follow along with the examples. I don't know many programmers, novice or otherwise, that would be content to learn a technology on an old release with deprecated methods and obsolete tooling.
I like the narratives of the book, I like the way it flows, and if the authors ever decide to publish a new edition with GWT 2.0 with the same style and accuracy it would probably earn five stars. Unfortunately the book is too many releases out of date (which is too bad considering it was just Copyrighted in 2008!)
- applicationCreator.cmd is no longer a GWT command. It has been replaced by webAppCreator.cmd
- webAppCreator.cmd creates a different directory structure than the illustrated examples.
- The default application that GWT generates has changed.
- A new event model was introduced in GWT 1.6. Specifically, Listeners are replaced with Handlers. You will encounter this for the first time in chapter 3.
- While I was following the exercises using GWT 1.7, Google released GWT 2.0 which further obsoleted this edition. The 2.0 release introduced a declarative UI with UIBinder. Of course that won't be in this book. Also in 2.0 "Development Mode" replaced the "Hosted Mode" which is great but will confuse the novice using this book as guidance.
The only way this book would be helpful is if you download GWT 1.5 to follow along with the examples. I don't know many programmers, novice or otherwise, that would be content to learn a technology on an old release with deprecated methods and obsolete tooling.
I like the narratives of the book, I like the way it flows, and if the authors ever decide to publish a new edition with GWT 2.0 with the same style and accuracy it would probably earn five stars. Unfortunately the book is too many releases out of date (which is too bad considering it was just Copyrighted in 2008!)
1 von 1 Kunden fanden die folgende Rezension hilfreich
This is the best
12. März 2012
Format:Taschenbuch|Von Amazon bestätigter Kauf
I bought almost all the GWT books. I think this is best one to follow. The reasons are:
1. Follow 100 percent OO design.
2. Good Manager project architecture manager, use UI manager, data manager. Tell you how to manipulate UI and data in a large project.
3. Step by Step, go deeply to guide you how to design a big project
4. Basic asynchronous call, json, web service are covered.
1. Follow 100 percent OO design.
2. Good Manager project architecture manager, use UI manager, data manager. Tell you how to manipulate UI and data in a large project.
3. Step by Step, go deeply to guide you how to design a big project
4. Basic asynchronous call, json, web service are covered.
1 von 1 Kunden fanden die folgende Rezension hilfreich
Written by developers with a knack for simplicity, testibility, and good design
4. November 2008
Format:Taschenbuch
This book stands out as a concise Java developers' introduction to GWT with a fantastic example application and a focus on good design. The example application is built up chapter by chapter and serves as a solid demonstration of how you can pimp your standard web app, GWT-style.
While other GWT book examples are stand-alone doodads that don't look much like webapps, this example really hit the spot. It covers logging in, has a (dynamic) left-side menu, titled modal popups, and a status panel. I actually used this app out-of-the-box as a template for my own first GWT application.
The introduction chapters give a lean overview of what you need to know to get you up and running (with proper browser tooling). It also gives a frank discussion of the advantages and current shortcomings of GWT. By chapter three you're programming using the GWT command line tools.
UI chapters follow and are a definite a strong point thanks to the coherent accompanying example application and an emphasis on good design principles. It's telling that the authors, all members of the pioneering Spring Source inner circle, reference Martin Fowler and Joel Spolsky when discussing these design principles (and pitfalls).
In the spirit of the "Separation of Concerns Principle" and avoiding bidirectional dependencies they advocate an application event structure. I eventually decided not to use it for my small app, but I can see the potential maintenance advantages for a large project.
The Server side chapter introduces GWT RPC, complete with a good exception handling strategy. It also discusses making vanilla HTTP requests for interfacing with any web service and explores using GWT's JSON libraries for communicating complex data structures.
There is a complete chapter on unit and functional testing with extensive coverage of Selenium. The authors correctly point out the drawbacks of GWT testing tools and encourage basic unit testing whenever possible. As a side note, the most advanced (purist) thinking on GWT testing comes from their colleague Rob van Maris[...]
The last chapter covers most everything else you'll need to crank out your GWT app including I18N, browser back support, image upload, and custom javascript inclusion.
The only thing I missed was maven integration, but I found that easily in the GWT docs.
Note: one reader was disappointed that there was no discussion of GWT Spring integration. IMO, Spring integration into GWT doesn't really warrant the complexity it introduces. I certainly use Spring on the server side of my app, but for the client-side (GWT-side) it adds very little. Rest assured that the authors, being from the Spring camp, emphasize similar best practices to the ones you'd encounter in Spring (testability, separation of concerns, 00 design, simplicity).
While other GWT book examples are stand-alone doodads that don't look much like webapps, this example really hit the spot. It covers logging in, has a (dynamic) left-side menu, titled modal popups, and a status panel. I actually used this app out-of-the-box as a template for my own first GWT application.
The introduction chapters give a lean overview of what you need to know to get you up and running (with proper browser tooling). It also gives a frank discussion of the advantages and current shortcomings of GWT. By chapter three you're programming using the GWT command line tools.
UI chapters follow and are a definite a strong point thanks to the coherent accompanying example application and an emphasis on good design principles. It's telling that the authors, all members of the pioneering Spring Source inner circle, reference Martin Fowler and Joel Spolsky when discussing these design principles (and pitfalls).
In the spirit of the "Separation of Concerns Principle" and avoiding bidirectional dependencies they advocate an application event structure. I eventually decided not to use it for my small app, but I can see the potential maintenance advantages for a large project.
The Server side chapter introduces GWT RPC, complete with a good exception handling strategy. It also discusses making vanilla HTTP requests for interfacing with any web service and explores using GWT's JSON libraries for communicating complex data structures.
There is a complete chapter on unit and functional testing with extensive coverage of Selenium. The authors correctly point out the drawbacks of GWT testing tools and encourage basic unit testing whenever possible. As a side note, the most advanced (purist) thinking on GWT testing comes from their colleague Rob van Maris[...]
The last chapter covers most everything else you'll need to crank out your GWT app including I18N, browser back support, image upload, and custom javascript inclusion.
The only thing I missed was maven integration, but I found that easily in the GWT docs.
Note: one reader was disappointed that there was no discussion of GWT Spring integration. IMO, Spring integration into GWT doesn't really warrant the complexity it introduces. I certainly use Spring on the server side of my app, but for the client-side (GWT-side) it adds very little. Rest assured that the authors, being from the Spring camp, emphasize similar best practices to the ones you'd encounter in Spring (testability, separation of concerns, 00 design, simplicity).
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