Category: Frontend technology
Last Saturday, the Tour de France 2011 departed. For people like myself, enjoying sports and working on Data Visualizations on the one hand and far fetched uses of SQL …
The UNPIVOT operator was introduced in Oracle Database 11g – see for example: https://technology.amis.nl/blog/2421/the-oracle-11g-unpivot-operator-turning-columns-into-rows. In Oracle, the UNPIVOT operation is the process of turning Columns to Rows. Put simply, …
This article shows how to create a widget in an ADF Faces application that looks like this: This table shows a comparison between records – Departments in this case …
I may have bored you before with stories about Data Visualization. It is one of my favorite topics. We deal in data. And visualization of data can help to …
While the congrats are getting in via the usual virtual channels like Twitter and mail for being awarded the best speaker awards for the Database (Alex Nuijten) and Fusion …
In this blog I will show you how you can call a webservice programmatically in Java without using a webservice library like JAX-WS or Apache Axis. Normally you would …
On my way to Los Angeles (Long Beach) for KScope 2011 (12 Hours in an airplane) I had plenty of time to do some reading and writing.The book I …
The other day on one of the projects I am involved with, we ran into an unexpected exception, from an innocent looking EL expression: javax.el.PropertyNotFoundException: … value=”Book #{book.title}”: Missing …
I have always had a fascination for the Data Visualization capabilities of all the tools and technologies I have worked with. For example: I worked with Oracle Graphics 2.0, …
This article demonstrates how, through a bit of JavaScript interacting with the HTML 5 Navigator API, some more JavaScript using the ADF Faces Rich Components API and the ADF …
This very brief article demonstrates how a fairly complex, nested JSON document can be created using a single SQL query. The main features used in the SQL statement are …
Alex Nuijten June 14, 2011 Announce / Events, Database, DBA Oracle, Development Tools, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, PL/SQL, SOA, Software Engineering, Web/Java, XML Ook dit jaar, namelijk op dinsdag 14 Juni, organiseert AMIS de ODTUG Preview. Het jaarlijkse congres van de ODTUG, de Oracle Development Tools Users Group, vind dit jaar plaats …
Once upon a time, I had something of a reputation for creating Charts in SQL. Bar Charts, Pie Charts, Gantt Charts and several other unlikely chart types, all created …
This article illustrates the use of a custom ELVariableResolver in JavaServer Faces applications. In this example, we extend the basic functionality of JSF EL resolution with the ability to …
The Spring Framework is omnipresent in the world of Java applications. Many developers, teams and organizations make use of Spring for various reasons, such as its persistency support, the …
Two small new features caught my eye while scanning the 11gR2 new features list for ADF DVT. One applies to the Carousel, the other to the Hierachy Viewer. They …
After my initial adventures (see https://technology.amis.nl/blog/12198/first-impressions-of-the-thematic-map-component-in-jdeveloper-11gr2) I continue to explore the wonderful world of the Thematic Map component. The previous article demonstrated how data in database tables could be …
ADF 11gR2 has some very nice UI Hints features. Some were already available in previous releases. In this post I will describe the effect of the UI Categories. On …
My curiosity was piqued by all the tweets from JDeveloper and ADF experts about the hot reloading capabilities of JDeveloper 11gR2. Those capabilities that should allow we to run …
With JDeveloper 11gR2 the skineditor is finally there. I share my first impressions in this post. When you need a skin for your application in previous versions, some configuration …
One of the components in JDeveloper/ADF 11gR2 I have really been looking forward to – ever since I saw some very interesting and creativity inspiring demonstrations at Oracle Open …
Early this morning, Oracle released JDeveloper 11g Release 2: This release can be downloaded from http://www.oracle.com/technetwork/developer-tools/jdev/downloads/index.html This list of new features – long and quite impressive – is here: …
There are use cases in which you need to determine what the currently active taskflow is. This looks like simple, but in fact it is not ! Let’s rephrase …
Robbrecht van Amerongen April 21, 2011 AMIS, Announce / Events, Architecture, Development Tools, IT, Java, Mobile, Oracle, Oracle Application Development Framework, Software Engineering, Web/Java, XML Als bezoeker van deze blog ben je bezig met het maken van mooie oplossingen en nieuwe uitdagingen op technisch gebied. AMIS nodigt je uit om ons team te komen …
Today I was asked to build a search component that searches a view object for all occurrences of a search string entered by the user. It should look like …
This step-by-step starter hands-on provides an example how to make a JAX-WS webservice proxy in JDeveloper, and save retrieved data from this webservice in a batch-job to your own …
The other day I received the following email: thanks for your ADF articles. I will need an urgent technical help. It would be highly appreciated if you help me. …
Recently I had to implement a selectManyShuttle Component with a filter on it. Filtering a selectManyShuttle Component has been described many times so that is no rocket science. However, …
Last week someone asked me if it was possible to inform the users of his application about the fact that data has been changed. No problem I told him. …
There are several ways available to integrate content from UCM in Web Applications. The best known one is probably through the WebCenter Document Services (taskflows that can directly be …
It took me a while. I have read through at least a dozen different articles. Probably did many things that in hindsight were not necessary. But at last I …
The Patch Set 3 release of Oracle Fusion Middleware hit the streets a few days back. For many of the FMW components, this release is one that fixes bugs, …
The concept of design time @ run time that empowers application administrators and even end users to influence the application after it has been deployed has been gaining traction …
Logging is a very important aspect of application development as it offers run-time access to the behaviour and data of the application. It’s important for debugging purposes but also …
Today I had a request to implement a generic logging mechanism for all changes of data (DML) in an ADF application. The log needs to be persisted in a …
The article “Quickly creating, deploying and testing a WebService interface for ADF Business Components” (https://technology.amis.nl/blog/9726/quickly-creating-reploying-and-testing-a-webservice-interface-for-adf-business-components) that I recently published describes a way of very rapidly creating the HRService Web …
As you probably already know, ADF Business Components can very easily be exposed through a WebService interface. An Application Module can be configured with a Service Interface, ordinary ViewObjects …
While going through my list of requirements for our AMIS re-usable ADF taskflow library, I ran into the following requirement: publish a contextual event on a Drag and Drop …
Just as ODTUG Kaleidoscope and Oracle Open World, the UKOUG Tech-EBS is a great Oracle oriented conference. It’s held in Birmingham but the speakers and participants come from all …
Really getting the most out of your database. That would be nice, given wat databases can do (and what you may have paid for them). Few serious Java Applications …