Category: Platform Technology
It will be my last presentation at Oracle Open World 2009 – how to turn any ADF application into a SaaS application – an application suitable for deployment …
While looking into the XML functionality in JDeveloper 11g, I came across a feature that was added in the 11.1.1.1.0 release – July 2009: XML Schema from XML Document. Functionality …
A few months ago I came across a relatively new book: Processing XML Documents with Oracle JDeveloper 11g by Deepak Vohra (370 pages, Packt Publishing, ISBN 978-1-847196-66-8, February …
After installing the Oracle SOA suite 11g, you will notice that you have to enter username and password for each managed server during startup and shutdown. This in contrary …
Today we had a little issue with the inputFile component in ADF 11g, especially with its behavior after failed validation. Our situation: the inputFile component has autoSubmit set …
Last week we had some problems with the deployment of our ADF 11g applications on a stand alone WebLogic 11g (10.3.1) server. One of the issues that kept recurring …
I occasionally create custom JavaServer Faces components. Just enough to sort of remember what the steps are, but not nearly frequently enough to quickly put a new component together. …
Recently I presented for the fourth time at the annual ODTUG Kaleidoscope conference. It’s really a great conference that I recommend to every Oracle consultant. It features great presentations, …
This very brief article will demonstrate a very useful feature of Java 6 Standard Edition – that means: the Java as it is running in any stand-alone application. …
Today I was triggered by a question on the JDeveloper forum about invoking a popup from a backing bean. Actually some time ago I had to build that solution …
About a year ago, during JavaOne 2008, Geertjan Wielenga and I created NetBeans modules for JBoss RichFaces support. Last week we updated the modules so now version 3.3.0.GA of …
On March 15 I read on The Aquarium that JBoss’ Dan Allen added JBoss AS 5 and GlassFish support to seam-gen. I had the pleasure to have met with …
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 …
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 …
One thing that always draws me in tools, libraries and frameworks: what are the hooks, the backdoors, the extension points, the APIs, the event listener registration facilities etc. Today …
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 …
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 …
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 …
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 …
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, …
Last night, the AMIS crew that visited the Oracle Open World conference reported their findings in a 3.5 hour session. In segments on SOA & BPM, Middleware, Database, Oracle …
One of the challenges in building Portal pages is to have events from one Portlet have the desired effect on other Portlets. For example when I select a location …
One very efficient way of passing data from the Java application to the database is through the use of custom Oracle Types. Even when we want to send a …
In this article something you may never do in exactly this way. Yet something that may become increasingly more useful, as our databases will have ever more Data Service …
Recently I have been doing quite some work with WebServices – calling them and implementing them, from and in both PL/SQL and Java. And in conjunction with BPEL and …
The other day, I sat preparing for a demonstration of a data driven Java Web application. I preferred to be able to present the demo without actually having to …
When we were doing the APEX vs. ADF session at the last day of the ODTUG Conference yesterday, Dimitri showed a nice feature in APEX that allows you to …
The 11g release of the Oracle Database gave us the PL/SQL Function Result Cache. This feature can help speed up performance in calling PL/SQL functions by caching function When …
Any conference with a large crowd of developers, passionate about their work and the tools they work with, is of course a breeding ground for speculations, rumours, frustrations, honest …
Being in New Orleans for a festive conference like ODTUG brings me in a mood to write about something colorful – even if not very useful. And perhaps every …