How to let your user know his session has expired in an ADF10g application
In a proper and user-friendly application, it is a good idea to let your user know when his session has expired. Or to inform him that his session is …
Category: Oracle Application Development Framework
How to declaratively instruct ADF Faces RC to partially refresh other components upon an event
ADF Faces RC has built in support for AJAX and Partial Page Refresh. Through the autoSubmit and partialSubmit attributes, we can indicate that a value change or an action …
ADF Masterclass Seminar – 25th March, Norway – Flying with ADF
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 …
Management of Boilerplate Text in JavaServer Faces Applications
February 20, 2009
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
No Comments
(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 …
Logging in JDeveloper 11g / WebLogic Server
February 17, 2009
Java, Oracle, Oracle Application Development Framework, PL/SQL, Software Development, Tools, Web HTML5 CSS3
4 Comments
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 …
ADF 11g – include meta data tags in HEAD element – using af:document and metaContainer facet
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 …
ADF 11g – persisted run time user UI personalization or: Impatient man's MDS
January 9, 2009
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools
3 Comments
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 …
ADF 11g – reducing the price of richness or how to streamline downloading Javascript Resources for ADF 11g Rich Client components
January 7, 2009
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
3 Comments
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, …
JSF 2.0 and Servlet 3.0 Specifications – (almost) ready for take-off – What is new and exciting in Servlet 3.0?
December 12, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
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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 …
ADF 11g Rich Client Components – programmatically adding a ShowPopupBehavior
This morning I received an email from a reader of one of my articles on the blog. The challenge in the email: I want to programmatically create an …
Rapid development of Rich JSF Web applications on top of EJB/JPA persistence (JSF on Rails – Demo 1)
December 10, 2008
IT, Java, Oracle, Oracle Application Development Framework, Tools, Web HTML5 CSS3
No Comments
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 …
The meeting of the minds – (fka Devoxx fka Javoxx fka JavaPolis)
December 9, 2008
Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server
No Comments
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 …
ADF 11g – Use the Change(d) Indicator to make AJAX originated value refresh explicit to the user
December 4, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
1 Comment
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 …
ADF 11g – TreeTable with sub totals – how the SQL query can make life easier for the View developer
The ADF 11g Tree Table component can be used for the compact presentation of fairly complex data sets. It allows the user to quickly drill down to a specific …
Java: Generating PDF and Previewing it as an Image – iText and PDF Renderer
November 28, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools
6 Comments
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 …
Intercept Hide/Show column event
When we wrap a rich table in a panelcollection component, we get some interesting additional functionality. This includes the ability for the end user to hide and display …
ADF 11g – Why use skinning? Why not use simple external CSS stylesheets?
November 25, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
5 Comments
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. …
Context Sensitive Resource Bundle entries in JavaServer Faces applications – going beyond plain language, region & variant locales
November 11, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
3 Comments
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 …
Migrating the ADF 10g Hierarchical Table Report to JDeveloper & ADF Trinidad and onwards to 11g (RichFaces)
November 10, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
No Comments
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 …
Creating a Read Only Hierarchical Table Report with ADF 10g
Presenting information to end users can be somewhat challenging, especially if you want to provide a lot of information on a single page in a structured way. You …
Implementing Cell Highlighting in ADF 11g RichTables
The Oracle Technology Network just published my two part series on implementing Cell Highlighting in ADF 11g Rich Faces Table components. The articles describe how you can have the …
ADF 11g RichFaces – using a Gauge in a Table to visualize High, Low and Medium Salaries
One of the sweet spots in ADF 11g RichFaces is of course the library of Data Visualization components. I have written about PivotTable and GanttChart in the past …
ADF 11g RichFaces – Creating a googleMaps Mashup Part I: clientListeners and clientAttributes
While creating the itinerary for my next trip I had to look for things like campgrounds and gasstations on my route. For this I use google Maps. It wasn’t …
Refreshing breadcrumbs in an ADF application that uses JHeadstart
November 1, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
1 Comment
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 …
ADF 11g RichFaces – handling the client side double click to invoke a server side operation
October 31, 2008
IT, Java, Oracle, Oracle Application Development Framework, Tools, Web HTML5 CSS3
2 Comments
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 …
ADF 11g: Model driven display properties in Pojo based Data Controls
ADF 11g allows us to specify display hints, validation rules and a lot of other declarative settings for Attributes in Pojo based DataControls. These specifications influence the way …
ADF 11g RichFaces: implementing a 'pick which columns to show & hide' feature for RichTables
October 29, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
No Comments
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 …
ADF 11g RichFaces – Details popping up all around us – Quick introduction to the ADF 11g Popup component
October 28, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
No Comments
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 …
Creating a Salary Heat Map with the ADF 11g Faces PivotTable component
A heat-map according to the definition found in Wikipedia is "a graphical representation of data where the values taken by a variable in a two-dimensional map are represented …
Keeping up appearances with ADF 11g RichFaces – Context Sensitive Styling in a world of imperfect HTML with dynamic PageTemplate and Page Fragment includes
You may not necessarily know me for all the useful things I do. I tend to find nooks an crannies in JDeveloper 11g and ADF 11g that are …
RESTful service based on ADF Business Components, publishing enterprise database contents the REST way
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 …
ADF 11g RichFaces – A closer look at the Pivot Table Data Visualization component
One of the very interesting JSF components that ADF 11g RichFaces has put in our hands is the Pivot Table. I have blogged about that component a while …
The rise of the ViewObject – or: isn't the ViewObject the real Data Control?
The ADF Model is positioned to decouple the Application from the implementation details of the Business Service(s) it uses. Any Business Service, be it an EJB, a POJO …
Publishing resources exposed by ADF Data Control in RESTful services using RestLet and JDeveloper 11g
October 14, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, SOA, Tools, Web HTML5 CSS3
No Comments
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 …
Hierarchical ADFTree with JDeveloper 11g
October 9, 2008
Java, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3, Web/Java
6 Comments
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 …
JDeveloper 11g first impressions.
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, …
JDeveloper 11g on Linux
October 7, 2008
AMIS, Development Tools, IT, Java, Oracle, Oracle Application Development Framework, Web/Java
6 Comments
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 …
The AMIS team reports from Oracle Open World – big and small announcements, guidance and tips
October 4, 2008
Database, IT, Oracle, Oracle Application Development Framework, Oracle E-Business Suite, Oracle WebLogic Server, PL/SQL, SOA
2 Comments
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 …
Oracle Application Test Suite – for functional and load/stress testing of Web Applications (including Applets) & Web Services
September 26, 2008
IT, Java, Oracle, Oracle Application Development Framework, Tools, Web HTML5 CSS3
4 Comments
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 …
OOW Sneak preview of Database Excel-erator – on the ADF Desktop integration
One of the sessions I attended yesterday at OOW was by Juan Camilo Ruiz, Product Manager for Oracle Development Tools. His talk was titled ‘Introduction to Oracle ADF Desktop …