Accelerated GWT - Building Enterprise Google Web Toolkit by Vipul Gupta

By Vipul Gupta

Ajax is an online improvement strategy that takes good thing about JavaScript to exhibit and have interaction dynamically with info embedded right into a website. Its emergence has made it attainable to create net functions that heavily resemble their desktop–based brethren. With this intriguing new skill got here a number of demanding situations; not just did builders need to examine JavaScript, yet they have been additionally compelled to take advantage of inefficient improvement approaches, let alone care for 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 write down 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 eager to write Ajax functions utilizing GWT can count on a fast–paced, but thorough, advent to GWT from Java specialist Vipul Gupta. You’ll achieve key insights into the GWT framework’s functions and will depend upon transparent guide that might assist you contain GWT into your day-by-day improvement regimen within the ultimate means. speeded up GWT introduces you to the preferred GWT framework in a fashion that would let you start utilizing GWT briefly order. Foregoing superfluous introductions to JavaScript and Ajax, you’ll as an alternative be immersed in GWT basics from the first actual bankruptcy. next chapters speak about key GWT ideas reminiscent of 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 program layout, checking out, and internationalization issues.
What you’ll learn
- Use GWT’s distant strategy name (RPC) services to vastly increase the person event by means of optimizing program performance.
- transcend uncomplicated syntax basics to benefit tips to such a lot successfully layout and try out your GWT applications.
- construct advanced interfaces by way of benefiting from GWT’s complex widget offerings.
Who is that this publication for?
Java–minded internet builders looking to comprise Ajax functions into their internet purposes with out sacrificing sound improvement ideas.

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Methods in the PropertyOracle Interface Method Name Description getPropertyValue(TreeLogger, String) This method tries to retrieve the value of a named deferred binding property. The method throws BadPropertyValueException if either the property is not defined or it has an unsupported value. typeinfo package stores the type information of a Java class or interface. Table 2-12 lists the various methods available in the JClassType class. The JClassType gives you access to details about a type just as you would be able to do with the Reflection API in the Java language.

Any number of such values may be introduced by adding them to the comma-separated list of values. Here’s an example: This feature is most used in specifying locales for your application during internationalization. You will learn more about internationalization and using this property in Chapter 8. Creating the Host HTML File Listing 1-7 shows a sample startup HTML file that demonstrates how to add the GWT module to your application so that it is loaded when your application is started.

Qxd 3/27/08 3:37 PM Page 21 CHAPTER 1 ■ GWT BASICS AND A FIRST APPLICATION The getNewsEntry() method as shown here just uses the Random class to get an index into the newsEntries array, and then the getNewsEntry() method returns the string at that array location. Random) class in the GWT library serves the same purpose as the Random class in the Java library. The major difference from the Java version is that the class in the GWT library cannot be seeded to start with. As a result, you can never ensure the same sequence of generated values.

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