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Javier Paniza

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Top Stories by Javier Paniza

OpenXava is a framework for Rapid Java Web Development, well-suited for business and database oriented applications. OpenXava allows you to develop applications just by writing simple domain classes with Java or Groovy. The user interface is generated automatically in runtime, without code generation. OpenXava 4.6 has some new interesting features such as: Custom reports generation from list. It's possible to customize the list mode defining your own editor. You can assign a model object (an entity or a transient object) directly to a View to populate it. In the jUnit tests you can assert the content of generated PDFs New @RowAction annotation for collections. Labels and messages available in Russian. The file name for generated reports includes model name and time. And many other useful new features and bug fixes. Custom reports generation from list In list mode there... (more)

OpenXava 5.0 Released

OpenXava is an Java Framework for Rapid Development of Enterprise Web Applications. In OpenXava you only have to write the domain classes in plain Java to get a web application ready for production. This 5.0 release has a new look & feel, includes module navigation, user login/logout (so you do not need Liferay anymore), inline editable collections (just like a spreadsheet), a new editor to attach files to your entity, and many many more things. We invite you to download it and upgrade your OpenXava applications. Look at the migration instructions. New look & feel Just have a loo... (more)

How to Simplify MDD to Speed Java Enterprise Development

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 requires very skilled developers, moreover these developers need to write a lot of code. The ideal solution for this problem could be the Model-Driven Development approach. Basically MDD states that just the model part of an application has to be developed, and the rest of the application will be generated from... (more)

Java Kicks Ruby on Rails in the Butt

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, OpenXava [5] in this case. The result is that with less code, and less time you obtain a more powerful application. Ruby and rails: The regressive framework Ruby on rails [6] is so elegant, so easy, so productive. I cannot avoid read and heard continuously these comments. For example, the article Rolling with ... (more)

OpenXava 4.2: Web Applications for iPad with Java or Groovy

OpenXava is a tool for Rapid Java Web Development, well-suited for business and database oriented applications. Since v4.2 OpenXava also produces iPad Web applications that behaves and looks like iPad native applications. OpenXava allows you develop applications just by writing simple domain classes with Java or Groovy. The user interface is generated automatically in runtime, without code generation. When the user access to an OpenXava application from an iPad a special suited user interface is generated, including the visual style of all UI element, layout and even native effec... (more)