Category: Java
On Wednesday 25th March, I will present an ADF Masterclass seminar for Oracle University in the vicinity of Oslo (Norway). This masterclass will discuss many valuable lessons we have …
In this article, we will continue a discussion on asynchronous processing started in a previous article that introduced asynchronous and parallel processing Java using Executors, Futures, Callable Objects …
(including all source code left out of the article in IOUG Collaborate 2009 Select Journal) Web applications, like any type of application, contain a great deal of boilerplate …
Processors are not going to get much faster. No higher clockspeeds are foreseen. The speed of processing will be further increasing through parallellization, engaging multiple CPU cores for …
When developing an application it makes sense to add logging to this application. The Apache Commons Logging is a way to implement logging to your application independent of the …
Echo2… oh no, naf! (not another framework). I just want java, not some tricky framework I have to learn into depth before being productive. Ok, then you’re up to …
A quick overview of you can create an SCA Composite Application that publishes a WebService interface, accepts SOAP Messages and write their contents to a file, appending a …
Yesterday I was given a new assignment. Of a certain system all development was stopped a month ago. The latest version, deployed and tested on the test environment, will …
ADF Faces 11g does not contain tags such as af:head and af:body. Instead there is af:document, an abstraction from the documents served to potentially different clients. A JSF …
One of the rather cool pieces of functionality that did not make it into the JDeveloper 11g Boxer release of early October 2008 is the Meta Data Service …
When you run a ADF Faces 11g Rich Client components application, you (or rather your users) are hit with a substantial JavaScript download overhead. It is not surprising, …
Last Monday I was attending a presentation of Brian Goetz about the Java Memory Model. One of his points was about lazy initialization which concluded with "don’t use the …
2009 will be the year of JEE 6. Important specifications in the JEE 6 platform are Servlet and JavaServer Faces. JEE 6 will contain the Servlet 3.0 specification …
A lot of interesting stuff is going on. More and more (dynamic typed) languages are appearing and getting more attention. Are they better than the Java language?
Here you will find the first demo from my Devoxx 2008 presentation. It shows how you can rapidly create a rich web application based on Java Server Faces …
I am currently attending the Devoxx Conference in Antwerp, the largest gathering of Java developers this side of the pond. I was last here in 2005 – a …
As I was preparing for my Devoxx presentation next Monday, I decided to look at the somewhat harder way of integrating a JPA based business tier into a JavaServer …
ADF 11g Rich Client Components have a facility called the Change(d) Indicator. The changed attribute is specified using a Boolean value or expression (typically the latter). When the …
The other day, I was using the JDeveloper debugger to locally debug some code in an application that uses (and therefore becomes part of) an Oracle Coherence data grid. As …
In a project where i am working on, we needed to show an image and the image should be change when a user would like to do that. For …
Inspired by a blog article by Edwin Biemond, I decided to try it out myself: previewing an PDF document in an image. However, Edwin used jPedal (http://www.jpedal.org/), a commercial …
Today a discussion arose with one of the UI Designers on the ADF 11g project I work on. He is used to a certain way of styling web applications. …
We were faced by an interesting challenge: our JSF application should display boilerplate text – titles, button labels, prompt, error messages, tool tips etc, – in a context …
In a recent article, I discussed how to create a fairly structured hierarchical report – table style – using ADF 10g not-so-rich Faces – see creating-a-read-only-hierarchical-table-report-with-adf-10g. The temptation …
Breadcrumbs are a navigation technique used in many applications, and its popularity grows. Its purpose is to give users a way to keep track of their location. Breadcrumbs typically …
Selecting a row in a table with search results to drill down to its details is a fairly common operation in web application. I have implemented such functionality …
Just over two years ago I wrote an article on this blog – integrating-adf-faces-and-myfaces-tomahawk-creating-a-popup-with-adf-faces-shuttle-component (supported by Changing the order of columns in a JSF Table Component -in the …
One of the valuable new components available in ADF 11g RichFaces is the Popup component. While one must be careful not to overuse all the new tools in …
The Flow activity is used to configure parallel activity in BPEL processes. In theory, activities contained in two or more branches (sequence containers) inside a Flow activity are …
After three introductory and exploratory articles on RestLet, RESTful Services and the creation of the latter using the former in JDeveloper 11g as well as hooking it up with …
The previous two articles on RESTful services using RestLet and developing in JDeveloper 11g – First Steps with RestLet 1.1RC2 in JDeveloper 11g – restful services 101 and Extending …
WebServices are hot. Some more so than others. SOAP based WebServices are frequently seen as not very lean and agile. Robust – perhaps. Widely supported – no doubt about …
There are different manners to display hierarchical data. One of the most intuitive ways is using a tree structure like a file browser. This enables the ability of simple …
Oracle has just released JDeveloper 11g. I was off course very interested so here are my first impressions. Instead of just unzipping the download as we used to do, …
It has been awaited for a long time. But now it’s finally there: JDeveloper 11g! At the time of this writing (Tuesday, October 7, 11:20 AM CEST), only the …
This is the eight of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss …
A recent acquisition by Oracle involved a company called Empirix, that sold its e-Test Suite product to Oracle. Oracle is now integrating this product with Enterprise Manager, under the …
It has been a while. But now we are finally about to witness the production release of JDeveloper 11g and ADF 11g including the ADF RichFaces components. Today, Oracle …
I just found that at OTN’s TopLink page the announcement is already published that was expected later today: TopLink 11g is available. Note that TopLink 11g is based on …
One of the theme songs for this year’s Oracle Open World undoubtedly will be ADF 11g. All by itself (Web 2.0) and as the glue for Enterprise 2.0 (WebCenter) …
