Ajax on Java by Steven Olson Douglas

By Steven Olson Douglas

This functional consultant indicates you ways to make your Java internet purposes extra responsive and dynamic by means of incorporating new Ajaxian good points, together with advice lists, drag-and-drop, and extra. Java builders can choose from many alternative methods of incorporating Ajax, from construction JavaScript into your functions "by hand" to utilizing the recent Google net Toolkit (GWT).
Ajax on Java starts off with an advent to Ajax, displaying you ways to jot down a few uncomplicated purposes that use client-side JavaScript to request details from a Java servlet and demonstrate it with out doing a whole web page reload. It additionally offers numerous recommendations for speaking among the customer and the server, together with sending uncooked information, and utilizing XML or JSON (JavaScript item Notation) for sending extra complicated collections of data.
The ebook then branches out into various ways for incorporating Ajax, which come with: The Prototype and script.aculo.us Javascript libraries, the Dojo and Rico libraries, and DWR Integrating Ajax into Java ServerPages (JSP) purposes utilizing Ajax with Struts Integrating Ajax into Java ServerFaces (JSF) purposes utilizing Google's GWT, which deals a natural Java method of constructing net functions: your client-side parts are written in Java, and compiled into HTML and JavaScript
Ajax provides internet builders the facility to construct purposes which are extra interactive, extra dynamic, extra intriguing and relaxing on your clients. in case you are a Java developer and have not attempted Ajax, yet wish to start, this ebook is key. Your clients can be thankful.

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ActiveXObject) { msPopulate( ); } } clear( ); } } Remember how convertToXML( ) had to determine whether the browser was Internet Explorer or something else? We have the same problem again here. When callback( ) is invoked, it must check to see whether we are runningActiveXObject (Internet Explorer) or XMLHttpRequest (all other major browsers). If the browser is Internet Explorer, we run msPopulate( ) to strip out the data from the XML. Otherwise, we runnonMSPopulate( ). What's the difference? It has to do with how we get an XML parser and with the API that parser presents to us.

Google Suggest changes all that: as you type in a field, it continuously shows you possible completions that match entries in the database. com to register it. 1. Form Entry with Ajax Order-entry applications aren't sexy, but they're everywhereand Ajax could be one of the best things that's ever happened to them. In the world of web applications, it's all about ease of use and saving time. ) that are already in the database. That's what we'll do in this chapter, while exploring ways to make a signup page easier to use and manage.

MySQL table names are case-sensitive on Linux but not on Windows, so use care when creating tables.

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