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Tools

There are many things, mostly implementation-related, that can be blamed on Maven, but I think most people agree on the fact that the POM concept (a declarative model of your project) is a good thing. Among other things, it allows to run a new plugin often with a minimum of configuration, or no configuration at all. For instance, a few days ago I was pointed to the Clirr plugin, a tool that...
on Feb 21, 2010

Education

What it means to speak German fluently and to be able of C++ Several years ago one of our key coders moved from the south of Germany (where our HQ is located at the Black Forest) to the cold and rainy north, so we had to to find a suitable substitute. After screening lots of applications, we picked few to invite for an interview. It declared the candidate's ability to speak German and C++. So she...
on Feb 20, 2010

Web Services and XML

The 2010 Vancouver Olympics web site includes a nice little JavaFX Olympics events schedule application that's quite useful for people who like following almost every Olympic sport. Actually, I suppose it's useful even if you follow only a few sports. The application shows you events that are currently in progress or which will start in the next several hours. Clicking on an event link launches...
on Feb 20, 2010
JAX-WS + CDI in Java EE 6 One of the big features in Java EE 6 is dependency injection(yeah, 330 & 299 stuff!!). It pretty much integrated with the every EE component. That means you can nicely use all the CDI features with JAX-WS web services. Let us see a simple shopping cart web service that uses CDI. @WebServicepublic class ShoppingCart {    @Inject   ...
on Feb 19, 2010
During the last few weeks, Marc H., Paul S. and myself have been exploring some ideas to support Hypermedia in Jersey. The outcome of this investigation is an experimental implementation that is available in Jersey's trunk (module version 1.2-SNAPSHOT). Exactly what it means to support hypermedia is still an area of research, and some other implementations of JAX-RS (notably RESTfulie) have also...
on Feb 9, 2010

Community

JDC 2010 has been recognized from 90 country. The attached report could be useful for sponsors and compaines to know who is looking for JDC. Also it will give you indication about the countries interested in Java technologies in Africa.
on Feb 17, 2010
For many years I am using XSLT now for a lot of tasks in both, development and runtime environments: Source generation, creating HTML from XML data, or even rendering SVG vector graphics from XML finance data. But what really bothered me was that the XSLT transformer contained in Java (even in Java 6's latest release) was just able to do XSLT 1.0 but not XSLT 2.0. XSLT (and XPath) 2.0 comes with...
on Feb 6, 2010

NetBeans

I recently got pointed to that link: http://java.dzone.com/news/ant-18-scanning-leaves-171 I read the news with some pleasure reminding me that I still like Ant based builds very much over Maven in many cases. Of course there are a lot of well maintained projects on the web that work very well with Maven. You never know how many enthusiasts-hours have been spent to make that happen. However, in...
on Feb 17, 2010
Where I live (Connecticut, US), a popular bumper sticker is "Motorcycles Are Everywhere!" That's what I was reminded of as I surveyed the past week's posts by Geerjan Wielenga, and saw that he has discovered several interesting YANPAs (Yet Another NetBeans Platform Application, as he sometimes calls them). It really begins to appear that, like motorcycles, YANPAs are indeed everywhere!...
on Feb 10, 2010

Mobility

On the Java ME SDK Team Blog, Tomas Brandalik provides First aid when emulator doesn't start: We have got few bug reports about not starting emulator. After some research we would like to summarize possible causes. 1. Freshly installed windows doesn't have msvcrtXX.dlls. Got to folder runtimes\cdc-hi\bin and copy Microsoft.VC80.CRT into runtimes\cldc-hi-javafx\bin. This problem will be fixed...
on Feb 16, 2010

Programming

Typical users of GlassFish use GlassFish in a separate process and they start GlassFish by using commands like the following: java -jar glassfish.jar                 orasadmin start-domain The above commands first launch an OSGi framework and then deploy the necessary bundles. What if you want to embed GlassFish in an...
on Feb 14, 2010
I was going through the documentation of Spring Roo, version 1.0.1 while preparing a talk for JDC 2010 about the Spring Roo .. No need to mention the Roo is awesome, amazing and not Magic :-) Ben Alex , Stefan Schmidt did a great job really in this project. Smart architecture! "The automated startup-time scan is also very useful as you upgrade to newer versions of Roo. Often a new...
on Feb 13, 2010
  Hi, my name is Juliano Viana, I'm a software consultant and developer based in Brazil, and I've been honored with the opportunity to blog in Java.net! Hope I can contribute something to this great community resource. For my first blog post at Java.net I've choosen to write about my web framework of choice, Apache Wicket. A designer and developer friendly framework Wicket is a great web...
on Feb 9, 2010

JSR

RESTless about RESTful These days there is much discussion about REST and HATEOAS, and many people feel urged to reinterpret what HATEOAS means or what Roy Fielding's often-cited dissertation allegedly would say in their understanding, and what HATEOAS should be implemented like therefore. While I first felt amused about this "dispute about nothing" (just ask Mr Fielding if you don't...
on Feb 14, 2010

GUI

Back in the early 80ies "of the past millenium" (As journalists call it these days - don't you feel as old as I do when reading that phrase? For me it is just "Childhood" and feels not so far ago. At least not a Millenium ago.), when I was a young boy, I teached myself BASIC programming on my father's Sinclair ZX Spectrum 48K and started coding small arcade games (what else...
on Feb 13, 2010

J2SE

ObjectWeb ASM is a great library that's used to parse Java class files. It's used in all kinds of projects, such as Hibernate, Corba, JAX-WS, Jersey, Spring, Hudson, to name a few. But I have a pet peeve to this otherwise great library, namely its insistence on small size (which by itself isn't a bad thing), and its consequences. One of the choices that made to achieve this was to omit the debug...
on Feb 12, 2010

J2EE

Kassel, February 2010 - The Micromata GmbH, expert for custom-fit business applications with its head office in Kassel, introduces a new module for conducting changelogs: Hibernate History records all database entries within an application and improves the transparency of the undertoken operations. Hibernate History is an extension of the common Java framework Hibernate. It logs all...
on Feb 11, 2010

Web Applications

Is it possible to do an A/B testing with Magnolia? The question popups often in the discussions with potential Magnolia users from various e-business companies. This really depends on what you want to test. The design of whole site or just best position for an ad on a single page or layout of one page or ...  If you want to do it on the site level the easiest (with current release - 4.2...
on Feb 11, 2010

Web Design

Over the weekend, I was reading Mark Pilgrim's great book on HTML5 - and when I got to the part about the semantic tags, I thought it might be worth a quick mention. In case you've missed out on HTML5 in general (and don't want to take the time to read that book I linked above), the idea behind semantic tags is that many sites use div blocks to mark out the same kinds of content, over and over....
on Feb 8, 2010
Progressive Enhancement is a philosophy of web design - start with simple pages, and build them up based on the capabilities of the browser viewing the page. It’s related to (and in some ways, the opposite of) the idea of Graceful Degradation, starting with a nice, fancy page, and dealing with any browser faults in an elegant manner. Prehaps the simplest example to see this in action is the...
on Feb 7, 2010