Tuesday Aug 14, 2012

Enterprise JavaFX Deployment with LightView: Part 3 now on otn/java

A new article by Java Champion Adam Bien, now up on otn/java, titled “Enterprise JavaFX Deployment with LightView: Part 3,” explores ways to use Maven 3 to build and deploy the LightView application in all available deployment modes. In addition, Bien shows how to sign and deploy LightView with a Java EE 6 application.

Bien explains the basics:

“LightView uses the HTTP (REST) protocol to communicate with the back-end server. For the realization of back-end communication, an external library—the Jersey client—is used. LightView connects with the back end (LightFish) at startup time, so it is not suitable to lazy-load the Jersey dependencies for optimization purposes. Furthermore, multiple JAR files are hard to handle for standalone applications; you have to set up the class path correctly and keep all the moving parts consistent. The most convenient way to deploy Java (and JavaFX) applications is simply by starting them with java -jar my-killer-app.jar and deploying a single file that contains all the dependencies.”

He shows how the class files are packaged with the javafxpackager, which is shipped with the JavaFX 2 SDK, using the exec-maven-plugin and explains the core tasks achieved by Maven and describes the what javafxpackager does behind the scenes. He then shows how the LightView application operates and interacts with LightFish.

Bien concludes by emphasizing that the richness of JavaFX lies in the fact that it is another Java library. “Because JavaFX is ‘just’ an additional Java library, all of the established build, test, and deployment infrastructure can be reused. You can develop JavaFX applications using any integrated development environment (IDE) you like. And best of all, you can use a single language in a project, from the Java EE back end to the JavaFX front end.”

Check out the article here.

Tuesday Jul 03, 2012

The Enterprise Side of JavaFX: Part Two

A new article, part of a three-part series, now up on the front page of otn/java, by Java Champion Adam Bien, titled “The Enterprise Side of JavaFX,” shows developers how to implement the LightView UI dashboard with JavaFX 2. Bien explains that “the RESTful back end of the LightView application comes with a rudimentary HTML page that is used to start/stop the monitoring service, set the snapshot interval, and activate/deactivate the GlassFish monitoring capabilities.”

He explains that “the configuration view implemented in the org.lightview.view.Browser component is needed only to start or stop the monitoring process or set the monitoring interval.”

Bien concludes his article with a general summary of the principles applied:

“JavaFX encourages encapsulation without forcing you to build models for each visual component. With the availability of bindable properties, the boundary between the view and the model can be reduced to an expressive set of bindable properties. Wrapping JavaFX components with ordinary Java classes further reduces the complexity. Instead of dealing with low-level JavaFX mechanics all the time, you can build simple components and break down the complexity of the presentation logic into understandable pieces. CSS skinning further helps with the separation of the code that is needed for the implementation of the presentation logic and the visual appearance of the application on the screen. You can adjust significant portions of an application's look and feel directly in CSS files without touching the actual source code.”

Check out the article here.

Wednesday Jun 13, 2012

The Enterprise Side of JavaFX - Part One

A new article, now up on otn/java, by Java Champion Adam Bien, titled “The Enterprise Side of JavaFX,” shows developers how to use LightView to convert REST services into a bindable set of properties. The article, Part One of a three-part series, presents the enterprise and business side of JavaFX with minimal animations, effects, and transitions, and a focus on structuring the presentation logic and integration with back-end services.

Bien makes use of LightFish, LightView and much more:

“LightFish is an open source monitoring application that periodically fetches and persists snapshots from a “GlassFish Under Test” machine and makes them available in real time via a simplified REST API.

LightFish comes with a basic Web interface to manage the data-capturing interval that is implemented with JavaServer Faces 2. LightView is a JavaFX 2 real-time visualizer that integrates the Web UI directly and accesses the monitoring data via REST and long polling. It could be considered to be a ‘stress test dashboard.’”

Look for Part Two of the series, which will directly integrate the JavaServer Faces 2 UI with WebView.

Check out the article here.

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