Direct RIA & ZK Framework: The Best Use of AJAX Is To Not Know It Exists

Open Source AJAX

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Direct RIA Authors: Xenia von Wedel, Yeshim Deniz, Graciya Leon, Roger Strukhoff, Andreas Grabner

Related Topics: RIA Developer's Journal, ColdFusion on Ulitzer, Adobe AIR on Ulitzer, OpenAjax Alliance News, Open Source AJAX

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Bridging to Open Ajax

The Open Ajax Alliance is a standards organization with the mission of ensuring interoperability within Web based apps

The Open Ajax Alliance is a standards organization with the mission of ensuring interoperability within Web based Ajaxified applications. One of their standards relates to intercomponent communication - the ability to subscribe and publish messages which can then be picked up by code written by other authors.

Please note that if you don't have an interest in Open Ajax, this post may not be especially illuminating - I've talked about the addOnEvent function before, even recently.

To write an Open Ajax application, you need to subscribe to events, much like in JSF 2, by registering functions which act as listeners. For instance, suppose we had a field in our page that looked like this:

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More Stories By Jim Driscoll

Jim Driscoll has worked at Sun Microsystems for 12 years, working on such projects as the first version of Servlets (in the Java Web Server), and the initial implementation of Java 2, Enterprise Edition. He is currently a Senior Engineer working on the implementation of Java Server Faces, helping to integrate technologies such as AJAX and Comet into the new release.