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J2EE

In this post I will share my recent findings about Container Dependency Injection in Java EE 6, in particular how to decouple the processing threads of  event producers and event consumers. Java EE 6 introduces a very nice dependency injection framework (CDI) that has superb support for the Observer pattern in the form of event broadcasting. An Event in CDI is just a regular POJO: public...
on Apr 14, 2010
In my last blog entry I described the generic user procedures as used in CAFE. These procedures can be used for registration and various parts of presence. In this installment I will go a bit deeper into the presence related user procedures, showing how to publish presence information on behalf of a user and subscribe to presence information. And since presence information in CAFE ...
on Apr 13, 2010
SailFin CAFE, like other converged application development frameworks has changed the converged application development paradigm. Having used CAFE APIs so far, if one thought that application development has never been so fast and so easy, things  just got better with v1 b28. Communications (conversation, conference, imconversation, imconference...) that were created by applications were...
on Apr 12, 2010
For most of the year, I've been working on session replication code for Sailfin. When I came back to work with the Glassfish performance team, I found that we had some pretty aggressive goals around performance, particularly considering that Glassfish V3 had a completely new architecture, was a major rewrite of major sections of code, and implements the new Java EE 6 specification. Glassfish V3...
on Mar 24, 2010

Eclipse

Content available at: http://blogs.sun.com/arungupta/entry/totd_126_creating_an_osgi
on Apr 12, 2010
Content available at: http://blogs.sun.com/arungupta/entry/totd_127_embedding_glassfish_in
on Apr 12, 2010

Community

Content available at: http://blogs.sun.com/arungupta/entry/java_ee_6_glassfish_netbeans
on Apr 8, 2010
Content available at: http://blogs.sun.com/arungupta/entry/totd_125_creating_an_osgi
on Apr 8, 2010
Content available at: http://blogs.sun.com/arungupta/entry/day_2_tech_days_2010
on Mar 31, 2010
Content available at: http://blogs.sun.com/arungupta/entry/day_1_tech_days_20101
on Mar 24, 2010
Content available at: http://blogs.sun.com/arungupta/entry/mahaswami_software_enjoys_the_perfect
on Mar 22, 2010

Web Services and XML

Recently a user in GlassFish forum asked about developing JAX-WS web service in an OSGi bundle. Here is a complete sample demonstrating a JAX-WS web service invoking an OSGi service via OSGi service registry. You can download it from here. The diagram below hopefully explains the organisation of the sample:   As the above diagram shows, we have three components, viz: 1) osgi-service.jar:...
on Apr 8, 2010

Security

Manage, Administrate and Monitor GlassFish v3 using Application Server Management Extensions (AMX) & The Java Management Extensions (JMX) Management is one of the most crucial parts of an application server set of functionalities. Development of the application which we deploy into the server happens once with minor development iteration during the software lifecycle, but the management is...
on Apr 6, 2010
The GlassFish Certificate Realm in V2.X and V3.0 releases is somewhat limiting. Many users expressed the need to able to do some custom authentication based on the client-certificate (or extensions within)  in a Mutual-SSL scenario. And subsequently do custom group assignment's which ultimately affect the authorization results. With V2.X/V3.0 the only two  things that were possible are...
on Mar 25, 2010
Embedded GlassFish v3 is a delivery vehicle of GFv3 so that applications and tools can use GFv3 just as a library, inside their JVM.  More details on this can be found  on the separate project page that has been created for  Embedded GlassFish.   One would thus expect that even secure applications which use security annotations on an EJB or security-constraints in a web...
on Mar 25, 2010

EJB

I will wrap up my experience at eclipsecon. This was my first time at eclipsecon. Folks who had been here earlier told me that this year there was a lot of topics around eclipse runtime projects – so the focus has shifted from tools to runtime. Overall I liked eclipsecon. My topic, OSGi & Java EE in GlassFish, was also of the same type. The slides of my talk are...
on Mar 30, 2010
Extending GlassFish CLI and Administration Console, Developing the sample Modules Administrators are always looking for a more effective, easier to use, and less time consuming tool to use as the interface sitting between them and what they supposed to administrate and manage. GlassFish provide effective, easy to access and easy to simple to navigate in administration channels which cover all...
on Mar 29, 2010
As promised earlier, I am going to quickly go over the key points I gathered from the talks I attended at eclipsecon and I also want to brief you about my topic at the conference. Because of a migrane attack earlier today which I firmly believe was caused by severe jat lag, I could not attend as much on day #2 as I had earlier decided to, and that's the very reason why I will keep...
on Mar 24, 2010

Education

I am working on rewriting a set of labs for our intermediate students at SJSU. Version control is something that everyone with a CS degree is pretty much expected to know these days, so I thought of digging up an old Subversion lab from my open source programming class. But distributed version control systems such as Mercurial and Git are getting all the love these days. Some people said that it...
on Mar 28, 2010

Programming

Meeting with OSGi Experts   Although I had interacted with a number of active members of OSGi [1] expert group, last week I had the opportunity to meet some of these experts at an OSGi Enterprise Expert Group face2face event held at LinkedIn's Mountain View office. This is also the first time I met Richard S. Hall, the Felix guy (don't confuse with a very active Felix [2]...
on Mar 22, 2010