If a library provides the AJAX functionality you need, it's typically simpler to use it in your application than to code that functionality from scratch. ProOffers fine-grained control over AJAX processing. DWR offers various controls to protect remote classes and methods from unwarranted exposure. Anyone, including hackers, can examine the code by viewing the source through a browser. Also, GWT provides an environment for debugging both client and server code. For example,Introduction to AJAX : TS-4489 by Dion Almaer and Ben Galbraith. For other than simple applications, developers must consider these UI issues and include code that handles them appropriately. When you already use JSP technology or JavaServer Faces technology in your web applications and need to access widgets from client-side JavaScript technology libraries. Developers do notneed to know JavaScript technology, CSS, or DOM. This enables application developers to build AJAX into a web application by dragging and dropping visual components. 5 web application project. A jMaki plug-in module is available for use with NetBeans IDE 5. Among other things this means that Google has provided good documentation forusing GWT as well as access to community-oriented sources such as developer forums. Many developers go to JavaOne, but a lot more don't get to go, so this is a good way to see some of the talks. Among other things this means that Google has provided good documentation forusing GWT as well as access to community-oriented sources such as developer forums. Design Strategy 1: Do It YourselfIn this approach you do all the coding to build AJAX into a web application. Other libraries in the Dojo toolkit provide a variety of APIs that simplify the coding for things such as animation, DOM manipulation, drag-and-drop support, and UI effects. Use frameworks such GWT for building AJAX applications in the Java programming language. Use the do-it-yourself approach when you need fine-grained control your web application's AJAX functionality. Design Strategy 6: Go All Java TechnologyJavaServer Faces technology and jMaki are approaches that use the Java programming language to build AJAX into an application. Tune in later this month to see the Sun SPOT in action. GWT provides a browser and a simple servlet so that you can do a test run of the application. Visit our Show Notes to learn more about our set of resources hand-picked to help students and beginning developers get started programming. You can run your AJAX-enabled application in hosted mode. Powered by Sun Microsystems, Inc. Easy to use for page authors but presents some of the same disadvantages to developers as the do-it-yourself approach. Also, GWT provides an environment for debugging both client and server code. ProsHides the JavaScript technology details. I understand the view is specific to the technology you're using, but the JavaScript is rendered the same - everything works together. JavaServer Faces technology and other Java EE technologies that include support for data validation, user identity management, and persistence, are particularly well-suited for AJAX. PermalinkLike this post? As mentioned earlier in this article, a library of AJAX-enabled custom JavaServer Faces components is already available as part of the Java Blueprints Solutions Catalog. By comparison, different implementations of JSON-RPC exist for different languages. See the Design Strategy 5: Go Remote section of this article.
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