Accelerated GWT: Building Enterprise Google Web Toolkit by Vipul Gupta

By Vipul Gupta

Ajax is an online improvement process that takes good thing about JavaScript to show and have interaction dynamically with details embedded right into a web content. Its emergence has made it attainable to create net purposes that heavily resemble their desktop–based brethren. With this interesting new skill got here numerous demanding situations; not just did builders need to research JavaScript, yet they have been additionally pressured to exploit inefficient improvement approaches, let alone take care of cross–platform and browser problems. yet with the discharge of Google internet Toolkit (GWT), Java builders may be able to proceed utilizing their favourite language to put in writing strong Ajax purposes whereas utilizing not just the Java language, but additionally the exact same improvement instruments they’re already utilizing on a regular basis!

Serious Java builders desirous to write Ajax functions utilizing GWT can anticipate a fast–paced, but thorough, advent to GWT from Java specialist Vipul Gupta. You’ll achieve key insights into the GWT framework’s features and will depend on transparent guideline that would enable you comprise GWT into your day-by-day improvement regimen within the most efficient manner. Accelerated GWT introduces you to the preferred GWT framework in a manner that would let you start utilizing GWT in brief order. Forgoing superfluous introductions to JavaScript and Ajax, you’ll in its place be immersed in GWT basics from the first actual bankruptcy. next chapters speak about key GWT thoughts equivalent to structure, widgets, and RPC. realizing you’ll are looking to successfully combine GWT into your improvement workflow, the writer additionally devotes time to sound GWT software layout, checking out, and internationalization issues.

What you’ll learn

  • Use GWT’s distant method name (RPC) functions to tremendously increase the consumer adventure through optimizing software functionality
  • Go past easy syntax basics to profit the right way to such a lot successfully layout and attempt your GWT functions
  • Build advanced interfaces through benefiting from GWT’s complex widget choices

Who this ebook is for

Java–minded net builders trying to contain Ajax features into their net purposes with no sacrificing sound improvement rules.

Table of Contents

  1. GWT fundamentals and a primary program
  2. GWT structure and inner positive aspects
  3. UI Programming: easy Widgets
  4. Communication: RPC
  5. UI Programming: dealing with occasions and utilizing AdvancedWidgets
  6. Communication: complex thoughts
  7. Testing GWT purposes
  8. Internationalizing Your functions: A modern day truth
  9. Some very important, Not-to-Be-Missed thoughts
  10. Peeking Into the approaching GWT 1.5 free up

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Additional info for Accelerated GWT: Building Enterprise Google Web Toolkit Applications

Example text

The same origin policy restricts the XMLHttpRequest object to making requests outside the domain from which the page was loaded. Therefore, your GWT application cannot make requests for data to domains different from the one from which the page containing the code was originally loaded. Deferred Binding Reflection and dynamic class loading are very powerful concepts used in the Java language, and they open the door to a number of advanced techniques while programming. This section shows how these concepts are used within an example and then relates them back to the GWT.

This adds history support to the application. This is an interesting functionality provided by the GWT framework that makes adding history management support to your application a simple task. ) Steps to Create a GWT Application The process of creating a GWT application can be broken down into the following four steps: 1. Create the basic project structure with the corresponding package. Add client, server, and public subpackages. 2. xml, to the basic package. Add the corresponding configuration details to the file.

In this example, you added the label to the element with an ID of newsEntryDivId in the HTML page hosting the application. The next step is to create this hosting HTML page. js appended to the package. Figure 1-8. html) for the application. Listing 1-10. -- This script loads your compiled GWT module. js'>

Running the Application in Hosted Mode With all this behind you, you should now run the NewsClient application in hosted mode to see the application in action.

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