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Web Applications

There is a lot of well-founded buzz around HTML5 but I assert that nearly all of it stems from how HTML5 enables the UI authoring experience to focus entirely on the browser, instead of on server-side processing that delivers content to the browser. For years, I've been making the case that building a web application is really building a distributed application, and therefore the art is finding...
on Sep 26, 2011
I'm trying to get the first snapshot of JSF 2.2 published and I've just scanned through the svn logs and arrived at the following text, from which I'll derive the "Changes between 2.1 and 2.2" content. * Deprecate the CURRENT_COMPONENT and CURRENT_COMPOSITE_COMPONENT attributes   http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-784* Fix incorrect VDLDoc http://java.net/jira/browse/...
on Jun 16, 2011

Databases

The movement towards digital records is generating exponential amounts of data, tremendously valuable data. But building a system to manage that data and extract value from it requires acceptance of a paradox; the system needs to be flexible and tolerant, while simultaneously enforcing structure and standards. This is hard. Many of us have felt the pain of Master Data Management (MDM). In large...
on Sep 9, 2011
in JPA it is possible to map String-data to enumerated values. But you are limited to Strings that are legal to be used in enum-types. E.g. using '-' or plain numbers will not work. An enum using such characters will not compile: public enum ThisWillNotCompile {   VALUE,   123,   hello-world;} Thus JPA doesn't allow to map such values to enum-types (in fact it's not...
on Aug 24, 2011

JSR

var headID = document.getElementsByTagName("head")[0]; var cssNode = document.createElement('link');cssNode.type = 'text/css';cssNode.rel = 'stylesheet';cssNode.href = 'http://ridingthecrest.com/scratch/20110902-blog.css';cssNode.media = 'screen';headID.appendChild(cssNode);JCP/JavaEE Artifacts in Maven Central As mentioned in the Editor’s Blog, java.net artifacts are finally...
on Sep 2, 2011

J2EE

Heroku, the PaaS cloud owned by salesforce.com, announced a few days ago support for the Java language. In the process they declared Java EE to be irrelevant in the cloud world. Is that so? I try to embrace anything that helps me develop, test or deploy code faster. Cloud Computing has the potential to bring radical improvements to all these areas, hence I have been following its...
on Aug 29, 2011
Next week I will be presenting a free webinar about Java EE 6 and Glassfish 3.1. The title can be translated to English as: "Java EE 6 and Glassfish 3.1: Simplicity + Ligthness = Productivity". The reason the title is in Portuguese is because this will be a webinar targeted at Brazilian Java EE and Glassfish users - as far as I know it will be the first webinar in Portuguese on these...
on Jun 14, 2011
One thing can have several representations but each of the representations means the same thing. Everything is an object and every object has a virtual representation. You don't believe me! Well, look at your shadow... Anonymous Introduction When describing a feature, one must always show to his users the set of contexts in which its use can bring a significant value for them. The feature I'm...
on Jun 5, 2011
In computer science, in the context of data storage and transmission, serialization is the process of converting a data structure or object into a format that can be stored and "resurrected" later in the same or another computer environment. Java provides automatic serialization which requires that the object be marked by implementing the java.io.Serializable interface. Implementing the...
on May 21, 2011
The Beginning The term " Cascading DropDown" means a dynamic dependent list boxes that allow a “child” list box to refresh when a selection is made in a “parent” list box. It is a recurrent problem in the software space and it has only one solution but sadly several implementations of it that are depending on the tools that you are using and their limitations...
on May 12, 2011

Programming

JAX-RS 2.0: A first interim report It's been a few months already that the expert group of JSR 339 started discussion about the details of JAX-RS 2.0. The target defined by spec lead Oracle are clear: Java EE 7 shall have a RESTful API that augments current JAX-RS 1.1 API by (among others) a Client API, HATEOAS support and asynchronous invocations. So what's the status with state? As three corner...
on Jul 24, 2011

Community

We are now success put Cimande to Maven.Java.net, but of course, because this is our first deployment, so there are bugs that we fix, but hopefully we will fix it shortly, because 55 kids (highschool) waiting for those, and several univ student waiting to start using it.  Since the blog posting, we found a bugs in dbunit in our code, but that wont stop me to blog here. U can try our cimande-...
on Jul 8, 2011
Hi, we just create a small diagram for our 2011 program, and 50 highschool kids learning this model, around 12 univ student and 6 lecturer from polytechnis in north sulawesi island, in the progress to evaluate this concept in real case.   The interesting of this project is to create Java development ecosystem, and we use 2 integration framework, called BlueOxygen Cimande under blueoxygen....
on Jul 4, 2011
 has been a while since Java.net use Kenai, and of course, this is amazing a lot of things. Has been several months, I never visit SF.net.. ... pitty me. we move the JIRA now, still several project, we dont know how to move the current issues to current JIRA. anyone can help? Now, Java.net have nexus that manage directly by Sonatype, thx to Juven Xu, that help me, esp testing several missing...
on Jul 2, 2011
var headID = document.getElementsByTagName("head")[0]; var cssNode = document.createElement('link');cssNode.type = 'text/css';cssNode.rel = 'stylesheet';cssNode.href = 'http://ridingthecrest.com/scratch/20110614-blog.css';cssNode.media = 'screen';headID.appendChild(cssNode);I've managed to make it to Jazoon every other year since it startedin 2007 and God willing, I'll be attending and...
on Jun 14, 2011
It's hard to know the exact numbers, but I'll venture a guess that well over half of the JSF sites that exist in the world are running Oracle's Mojarra implementation of the JSF spec. Did you know that this implemention is the first large part of JavaEE (then J2EE) to be open-sourced, way back in 2004? As with any decent open source project, we have public continuous integration, a public...
on May 19, 2011
About three weeks ago, I called for the community to submit entries for a contest to design a logo for the JSF specification. Sixteen different individuals submitted 32 entries. Thank you very much for contributing! Per the recommendation of Arun Gupta and Imre Oßwald, I used a web voting platform to determine the winner, and here it is. I would have uploaded it to the Official Homepage...
on May 11, 2011
About two weeks ago, I called for the community to submit entries for a contest to design a logo for the JSF specification. Sixteen different individuals submitted 32 entries. Thank you very much for contributing! I happen to believe that Instant Runoff Voting (or a similar method) is the last best hope to save representative democracy in America, so I decided to use a very nice and simple web-...
on May 5, 2011

Extreme Programming

Pragmatic Programmer Stuart Holloway said in a tweet recently, “Anybody can be agile in a green field. Show me your 3rd, 4th, and 5th releases.” Well, we've been maintaining Oracle Mojarra JSF for 32 releases and, we’ve found hudson a completely invaluable tool for maintaining agility as the technology matures and requires maintenance across all the versions we've ever released...
on Jul 1, 2011

Web Services and XML

For the purpose of creating a nice API for my new project Caligo (more on this in a future blog post), I was looking for a simple solution to access REST web service in Scala. My requirement was simple: access an HTTP web service, and exchange data with him using the JSON format. You can read the full story here and get the gist of the basic implementation: http://aloiscochard.blogspot.com/2011...
on May 16, 2011