Javier Paniza

OpenXava 3.1.4 is an open source framework to rapid development of Portlet Enterprise applications deployable in WebSphere Portal 6.1. With OpenXava, you only need to write your model, POJOs and Java annotations. You do not need to write the view, and the controller (for CRUD, pri... (more)

OpenXava 3.1.4 is a framework focused in productivity for developing business Java applications. The idea is that you write only your POJOs annotated with JPA and you get an application ready for production. With OpenXava, you only need to write your model, POJOs and Java annotati... (more)

OpenXava 3.1.3 is a framework to develop Java Enterprise applications in a different way: OpenXava avoids MVC. It's a JPA Application Engine in that you provide only your POJOs annotated with JPA and you obtain an application ready for production. Productivity With OpenXava, you... (more)

This article tries to demonstrate that Java can be more productive than Ruby. We are going to develop the same application of the article Rolling with Ruby on Rails Revisited (part 1 [1] and part 2 [2]) but using POJO [3]s annotated with JPA [4] and a Model Driven Framework, Open... (more)

OpenXava 3.1.2, released recently, is a model-driven framework to develop Java Enterprise applications in an agile way: With OpenXava you provide only your POJOs annotated with JPA and you obtain an AJAX application ready for production. The main new feature of this 3.1.2 release... (more)

A notable problem of Java Enterprise Development is its inherent complexity. Also if you use Java EE standard or Spring, your development team will never be as productive as a VisualBasic, PHP, Ruby&Rails, 4GL or even COBOL development team. The complexity of Java Enterprise requ... (more)

This is a story about creating a user interface easily, or better yet, about having good user interfaces without working for them. The Problem Once upon a time, you created a really cool invoicing application. Your wonderful application had an agile MS-DOS (or Unix, or AS/400, or ... (more)