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Jonas Jacobi

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Top Stories by Jonas Jacobi

In our last article - "JSF and AJAX" (JDJ, Vol. 11, issue 1) - we discussed how JavaServer Faces component writers can take advantage of the new Weblets Open Source project (http://weblets.dev.java.net) to serve resources such as JavaScript libraries, icons, and CSS files directly from a Java Archive (JAR) without impacting the application developer. In this article we'll address the need to fetch data using AJAX with JavaServer Faces (JSF) components. The most common use cases for fetching data with AJAX are to populate dropdown lists and add type-ahead functionality in text fields. In contrast to using AJAX postbacks for events, fetching data shouldn't affect the surrounding components on the page. And if fetching data isn't affecting other parts of the DOM tree, then you don't have to go through the full JSF lifecycle just to get the data, right? This article int... (more)

Three Steps to Build a Killer WebSocket App with JavaFX

As part of my prep for the talk we give at JavaOne 2012, I built a WebSocket app using JavaFX 2.2 front-end with NetBeans 7.2 and the brand new JavaFX Scene Builder 1.0. The tools were a pleasant surprise, they were pretty straight-forward to use. Most of the Oracle tutorials were helpful too, although I couldn’t find signs of an active and extensive JavaFX developer community out there. The app I wanted to build consumes the same data source as the lightning fast Kaazing portfolio demo. This video demonstrates what it looks like in the development environment, as well as running... (more)

Kaazing WebSocket Gateway Security is Strong

This is the second post of a two-part blog post that discusses HTML5 WebSocket and security. The first post, HTML5 WebSocket Security is Strong, talked about the security benefits that derive from being HTTP-compatible and the WebSocket standard itself. In this, the second post, I will highlight some of the extra security capabilities that Kaazing WebSocket Gateway offers. Kaazing WebSocket Gateway makes your Web application architecture more secure. We leverage the HTTP and WebSocket standards as well as Kaazing-specific technology for capabilities beyond what the standard p... (more)

Polling and Long Polling for Dummies: A Five-Minute Bedtime Story

The bedtime story on the next page [video] may help you explain your kids (nieces, nephews, mother, grandmother, aunt, and other distant relatives) some of the issues with our world… ... (more)

Akamai's Vision of the Web Embraces WebSockets

In his recent blog post, SPDY and WebSocket Support at Akamai Stephen Ludin (pictured), chief product architect talks about Akamai’s vision of the Web. Stephen discusses that at the 2012 Santa Clara Velocity conference Akamai announced upcoming SPDY and WebSocket support. He talks about the performance improvements SPDY and WebSocket bring to the table, about the possible combination of the two technologies, and points to Kaazing’s demos to showcase how the WebSocket technology is pushing the interactive web to new exciting frontiers. Head over to Akamai’s blog to read the full p... (more)