Tuesday Jun 07, 2016

New Java Champion Sebastian Daschner

Welcome New Java Champion Sebastian Daschner

 

Sebastian is the lead developer behind the JAX-RS Analyzer, a opensourced project based on his computer science thesis from the Munich University of Applied Sciences. 

He is an active JCP member, supporting several Java EE JSRs like JAX-RS and JSONB. He is evaluating early drafts of the next Java EE versions and blogging about progress, examples and potential improvements. He has wide-ranging professional experience and has worked as a consultant to small and large companies in Germany for several years.

Besides his work on the JAX-RS Analyzer, he participates in other open source projects like JCountdown and also publishes Java EE 7 examples such as JAX-RS Hypermedia and the AsciiBlog application on Github. He regularly publishes content on his blog (https://blog.sebastian-daschner.com) and he has recorded several video tutorials teaching Java-related technologies or explaining his own Java projects. You can follow him on Twitter @DaschnerS


Sebastian is a frequent speaker at Java conferences and events like JavaLand, JUGs in Germany, JUG Oslo, JavaDay Tokyo and Netbeans Day Munich. His main topics are Java EE related (like JSONB, JAX-RS, REST, etc). He also helps to organize Hackergartens and Early Adopters Areas.

Recently, he joined "Nighthacking motorcycle tours" with Stephen Chin to speak at several JUGs in Germany and Japan. Their content is published online at nighthacking.com 

Java Champions are an exclusive group of passionate Java technology and community leaders who are community-nominated and selected under a project sponsored by Oracle. Learn more about Java Champions.

Thursday Feb 18, 2016

Writing Web Apps

By Java Magazine Editor Andrew Binstock

Welcome to the January/February issue of Java Magazine whose focus is on developing Web applications. Not so long ago, this topic would require us to cover and compare innumerable Java frameworks. But as Web apps have turned increasingly to microservices in their architecture and REST for their APIs, the need for heavyweight frameworks has decreased significantly. By and large, Spring remains the principal widely used framework. And so, we cover its latest incarnation, Spring Boot, in a lengthy tutorial, which highlights how easy it makes creating Web apps. 

A companion examination of the JAX-RS library, with emphasis on lesser used capabilities that you might not realize it offers, is also included. And for readers who use some form of xFaces for the Web part of the app, we dig into OmniFaces, a well-designed utility library that integrates easily with JSF, MyFaces, PrimeFaces, RichFaces, etc.

[Read More]

Monday Dec 16, 2013

Technical Article: RESTful GlassFish Monitoring and Management

In this new OTN technical article, RESTful GlassFish Monitoring and Management, Java EE expert Adam Bien shows you how to exploit the built-in monitoring and management capabilities of GlassFish to automate application deployment and gain insight into application performance.

"IT is all about streamlining and automation, so it is somewhat ironic that we developers still tolerate repetitive and boring manual tasks, such as deployment," Bien explains. "Also, our ignorance about easily accessible information for application servers, such as monitoring data, is surprising" he notes.

Application servers have emitted useful monitoring data and provided basic management capabilities for years, but both capabilities have been ignored. The DevOps movement is making these built-in monitoring and management capabilities interesting again. 

The article describes the GlassFish management API, which allows you to manipulate the GlassFish application server's configuration, including its monitoring capabilities. It also describes the GlassFish monitoring API, which provides a read-only facility for accessing the Java Virtual Machine (JVM), the GlassFish application server, and the GlassFish application server's metrics and counters.

Read the full article RESTful GlassFish Monitoring and Management on OTN.

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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