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"Libra is an open source project under the Eclipse Web Tools Platform Container Project. It provides standard tools for OSGi Enterprise application development and in particular tools that integrate the existing WTP and PDE tooling so that OSGi Enterprise applications can be developed with both tooling at the same time. Libra also will enable users to work with tools for better experience in the Server-Side Equinox scenario. The goals of the project are: Providing tools for creation of deployable artifacts for application servers implementing the OSGi Enterprise specification, e.g. wizard for creating new Web Application Bundle projects. Providing tools for converting existing Java EE deployable artifacts to OSGi Enterprise deployable artifacts, e.g. wizard for converting Dynamic Web projects to a Web Application Bundle projects. Contributing tools for editing and validation of the metadata of OSGi Enterprise artifacts, e.g. extension of the PDE Manifest Editor for editing manifest headers that are specific to Web Application Bundles. Developing OSGi server adapter, providing basic implementation of configuring an OSGi-based application server, starting it and deploying OSGi enterprise artifacts. This server adapter should be customizable and extensible by adopters. Delivering tools that improve the experience of developing Server-Side Equinox applications. Extending the tools in scope, so adopters can apply them depending on their own application model."

A set of functions and predicates (as defined by Google Collections / Guava libraries) along with a set of utility methods to help navigating and editing Eclipse EMF models. EMFPath depends on Google Guava. Guava is available as OSGi bundles from the guava-bundle project.

"I've had an opportunity recently to work on a product that needed an RIA web interface, and I chose my recent favorite tool for this, Vaadin. The services for this project needed to be highly scalable, and lent themselves well to functional techniques, so I selected Scala as my language of choice. I build my projects with Maven, for reasons I won't go into right now, and I do much of my JVM-language work in Intellij's excellent IDEA IDE. Given these tools, I found a way to facilitate very rapid development of web UI's, and I thought I'd pass it along. Another technique I use, which I'll expound on later, is creating "dummy" implementations of all of my backing services for my application. The "real" implementations are written as OSGi services, in separate modules from my UI. The UI is packaged as a war, but is also OSGi aware, with a bundle activator. This activator only gets called if the war is deployed into an OSGi container, and not otherwise. This allows the app to select which implementation of the services it uses - the "dummy" ones when it's deployed outside of OSGi, and the "real" ones when they're available. This means I can use the handy Maven jetty plugin to quickly spin up my application and test it on my local workstation, without needing all of the dependencies (like a data store and such) of my real services. That's good, in that I can get my "cycle time" down to a few seconds, where "cycle time" is the time between making a change and actually being able to test it in my browser. We can do better, though. I'm using Scala as my language of choice for building the UI as well, as it works just fine with Vaadin (and with everything else in the JVM ecosystem, for that matter, which is why I didn't choose a non-JVM language - but that's yet another rant). I compile my Scala with the Maven scala plugin - here's where the next handy bit comes into play. Turns out the Scala plugin has a goal cal

"The Virgo Web Server from EclipseRT is a completely module-based Java application server that is designed to run enterprise Java applications and Spring-powered applications with a high degree of flexibility and reliability. It offers a simple yet comprehensive platform to develop, deploy, and service enterprise Java applications. The Virgo kernel supports the core concepts of Virgo and is not biased towards the web server, thus enabling other types of server to be created. The kernel can also be used stand-alone as a rich OSGi application platform. A server runtime can easily be constructed by deploying suitable bundles on top of the kernel. "

"LWUIT is a UI library that is bundled together with applications and helps content developers in creating compelling and consistent Java ME applications. LWUIT supports visual components and other UI goodies such as theming, transitions, animation and more."

" To run the Gogo you will need three bundles from Apache Felix downloads: Gogo Runtime Gogo Shell Gogo Command "

"I encourage (actually I dare you) to those who have never even touched a portal to take the JBoss Portlet Bridge for a test drive. It takes 1 download (GateIn bundled with JBoss) and one maven archetype to get started. You can choose from any combination of plain JSF, Richfaces, and Seam with mvn archetype:generate -DarchetypeCatalog=http://bit.ly/jbossportletbridge from the command line."

JDBC realm has a lot of attention in recent months. This blog summarizes the evolution of the JDBC realm implementation in GlassFish and explains how the latest implementation works. I would like to thank Jean-Baptiste, and Richter for their contributions and comments. The participation from the open source community definitely helps everyone. I encourage all of you to give feedback, participate, and help evolve this feature further. GlassFish always had the capability for anyone to plug-in a realm. Implementing a custom realm in the Sun Java System Application Server EE 8.0 is described in the article Authentication Using Custom Realms in Sun Java System Application Server. In S1AS 7.x, there is a JDBC Realm bundled in sample. Jean-Baptiste formally filed an enhancement and provided a clear text version of JDBCRealm for GlassFish. Richter wrote another implementation because the GlassFish JDBCRealm at that time not compatible with Tomcat.