Oralublog

JDeveloper 12.c – ADF Tips: How to pass parameters to method in EL Expression

This is a very short post to show all ADF Developers currently working in the latest version of JDeveloper, a new feature that has been brought in this release powered by JSF 2.0. 

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ADF Tips: How to get value of UI Components.

We can see often developers asking on the OTN JDeveloper & ADF Forum about how to get the value of an UI Component like an input text or selectOneChoice, etc. There are several ways to do it. The common way developers use to go for is binding the component to a bean and then accessing its value by calling myComponent.getValue(). But what happens when the scope of your bean is not Request or BackingBean ?

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ADF Tips: How to groovy in ADF.

Groovy, a useful dynamic language for the JVM based on Java but adding powerful features you would often see in others scripting languages like Phyton and Ruby. Groovy is part of the ADF Framework, particullary inside the Business Components world. This post will resume some of the most useful line of code when working with ADF BC and a little bit of Groovy.

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ADF Tutorial: How to drill down a graph

It has been long time since our last post. Fortunately we have been quite busy. For this post, we have decided to show you how to implement a “drillable” graph.

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ADF Tutorial: How to refresh an LOV after Commit operation? Ah! Using contextual events.

This time, we are going to show an easy way to refresh an LOV that needs to be updated just when a Commit is done on the based LOV’s View Object. This use case, also will show how to accomplish the task by using a powerful ADF Feature; Contextual Events.

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ADF Tutorial: Implementing custom pagination.

Recently, we had a requirement were we need to implement a custom pagination for a content presenter template (integrating UCM into WC Portal). From there, we found useful information about how to achieve this on Yannick Ongena’s blog entry. Also, while researching for other requirements, we saw this Timo Hahn’s blog entry were he’s got a point:

Most users don’t use this feature which, or don’t know how to define a page variable.

So we decided to mix the two posts and now you are just reading the result

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ADF Tip: Cascading (dependent) LOV with mandatory (required) fields.

This post will assume that you have, at this point, implemented your Dependent LOV, using ADF Business Components the following;

  • You have View Objects and you have created  View Criterias.
  • Create some LOVs for View Objects attributes.
  • Specifying View Criteria over the View Accessors that retrieves your LOV. (implementing the dependency)
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ADF Tutorial: How to map roles to when user logs in.

ADF Security provides you with a really strong and robust security framework which allows you to set up the security for your application in a easy, quickly and understandable way. Also, if its good configured with, for example, Weblogic authenticator providers, then you can have all your enterprise roles coming from, for example, an Oracle Internet Directory (LDAP), mapped automatically with little configuration to your application roles. However, some times you might need to do some of this process manually

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ADF Mobile and Ubuntu 13.04 64bits

I have no doubt that every developer that wishes to set up Ubuntu 13.04 for ADF Mobile (let’s say with JDeveloper 11.1.2.4), will make it after jumping from one google search result to another. This is why if you see this post before your quest, it might save you some minutes in figuring out what do you need to do to finally be able to deploy your ADF Mobile application into your device.

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JDeveloper 12.c: and Ubuntu 13.04

For those developers thinking to start using JDeveloper 12.c in Ubuntu 13.04; Once the installation is made either in 32 bits or 64 bits distribution, and using either the Linux installer or generic installation package, the result is going to be the same; JDeveloper won’t run. It will certainly trick you to think everything is going fine and no errors whatsoever, but after the splash screen, nothing happen and the icon disappears.

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