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Implement resource bundles for ADF applications in a database table

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9 months ago
by Lucas Jellema in , ,

Any web application contains boiler plate text: text that is not part of the enterprise data from web services or databases that is manipulated by the end users using the application but that is part of the application definition itself. Text that is shown as prompt, title, message, hint text and in other ways. Developers can sprinkle the boilerplate text all throughout the application, in pages, JavaScript and other code sections. But they should not do that. Changing boiler plate text is a frequent requirement from the business. Having all boilerplate text in a central location makes such changes a lot easier. Additionally, many organizations require applications to be multi-lingual: different groups of users speak different languages and want to have the application support them in their own language. That means boiler plate text is not just defined once in that central location, but once for every language the application needs to support.

Java (Web) applications typically make use of a built in structure for centralizing (and internationalizing) boiler plate text; it is called Resource Bundle. In a previous article – More >

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Publishing resources exposed by ADF Data Control in RESTful services using RestLet and JDeveloper 11g

4 years ago
by Lucas Jellema in , , , , , , ,

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 the RestLet application with support for POST/PUT to create and update Resources – used a static data set as source for the Resources. For real world services that will not be your typical scenario. Usually a business service hiding a persistence layer sitting on top of a database or wrapping a web service (RESTful or otherwise) is the more logical publisher of resources.

In this article, we will see how we can leverage ADF Model – Data Control & Data Bindings – to hook up such a business service. ADF Model publishes a Data Control for each Business Service it exposes. Through the Data Control applications can get access to data collections and operations acting on that data. For the application consuming the Data Control there should be no difference whether the underlying business service is an ADF BC application module connecting to a relational database, an EJB doing something similar, a web service published in the SOA of the organization or a RESTful service out there on the internet. That is at More >

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