It’s been a bit since I blogged last, but I wanted to discuss something I’ve been busy with lately. Inspired by a recent presentation by a friend of mine, Craig Walls, and the announcement by Ales Justin to support OSGi in JBoss 5, I decided to see what all the fuss is about. Perhaps you’ve [...]

Posted in JBoss Seam, OSGi 10 Comments »

Swapping configuration between development and production (and often other environments) is usually a custom solution but often follows a general pattern. Personally, I usually leave this up to properties files. For instance, let’s say we have a specific URL for an adding service and let’s say the URL changes between the development and production environments. [...]

Posted in JBoss Seam 8 Comments »

After a highly anticipated wait, Michael and I are pleased to announce that the Rough Cut of JBoss Seam 2E is available with a new title: Seam Framework: Experience the Evolution of Java EE. The new edition is a major update to the original including: New chapters on Groovy, JBoss Rules (Drools), Events, Quartz, Multi-layer [...]

Posted in JBoss Seam, JBoss Seam 2E News 22 Comments »

TSSJS was a great conference this year. Neal Ford, well-known author and ThoughtWorker, initiated the conference by delivering an inspiring keynote address discussing dynamic languages, DSLs (Domain-specific languages), and their role in the evolution of software development. Matt Raible blogged about the presentation and you can find a brief summary here. Polyglot programming became a [...]

Posted in JBoss Seam, JPA, groovy 9 Comments »

The first cut preview chapters for JBoss Seam, Second Edition, 2/E have been released. You can access the preview chapters at the Safari Rough Cut site and can retrieve the code examples discussed throughout the chapters from this previous posting. The full versions of these chapters are available through Safari by subscription as well as [...]

Posted in JBoss Seam, JBoss Seam 2E News 12 Comments »

The preview chapters will soon be released but you can get a sneak peak by accessing the code examples here. Feel free to download the examples and try them out! Each example project included in the source bundle is a variant of the Seam Hotel Booking example. The booking project demonstrates the use of natural [...]

Posted in JBoss Seam, JBoss Seam 2E News Comments Off

The much anticipated Second Edition of JBoss(R) Seam: Simplicity and Power Beyond Java(TM) EE (Prentice Hall JBoss) is coming soon. Michael Yuan and myself have teamed up to develop the content for the upcoming Second Edition which will cover the ins and outs of Seam 2, and I don’t just mean bijection The first preview [...]

Posted in JBoss Seam Comments Off

With Seam you have options for component configuration. One of those options is configuration through use of components.xml. This is especially valuable when you have components that are reused among application instances as it allows the configuration to be specific based on the needs of the application. Seam provides a very simple approach to limit [...]

Posted in JBoss Seam 2 Comments »

Update: Pete Muir recently posted an alternative to the example described here for the UserProfile object. It avoids potential LazyInitializationException if you access a property which was not initialized inside the loading conversation since the UserProfile is SESSION scoped. I prefer Pete’s approach to the implementation but the concept is the same ______________________________________________________________ One thing [...]

Posted in JBoss Seam, JSF 2 Comments »

Conversation timeout seems to be a commonly misunderstood Seam concept. I often see postings on the Seam forums claiming that the conversation-timeout doesn’t work! Well, actually it does, you simply have to understand the semantics. Configuring the conversation-timeout period can be accomplished through the following in your components.xml: <core:manager conversation-timeout=”900000″ /> At first glance most [...]

Posted in JBoss Seam 25 Comments »