Javalobby | The heart of the Java developer community

Jean-Francois Arcand09/11/09
4172 views
0 replies

Writing Comet Applications Using JRuby and the Atmosphere Framework

Writing Atmosphere's Comet based applications is simple. Imagine using JRuby instead of Java...it becomes really simple!. As with Scala, it is also possible to write Comet application with Atmosphere Framework using JRuby.

Geertjan Wielenga09/10/09
5873 views
4 replies

Interview: Wilfred Springer on Bit Syntax for Java

Wilfred Springer, Chief Scientist at Xebia in the Netherlands, is creating a framework for dealing with binary encoded data. That framework is called Preon and, below, Wilfred explains its purpose, its architecture, and how to get started using it...

Slim Ouertani09/10/09
6140 views
2 replies

OSGi Annotation Extender

We have finished one big OSGi project with many tools : JPA, GPRS, SMS, FTP, JNA, SPRING, Jetty, ext.js .... after about one year with heterogeneous team. Now, I have switched to another JEE projects as " an architect". But I still love OSGi. I...

James Sugrue09/10/09
10396 views
0 replies

Oracle Enterprise Pack for Eclipse

Recently Oracle released the Oracle Enterprise Pack for Eclipse 11gR1. To find out more about it, I spoke with Ashish Mohindroo, Sr. Director, Product Marketing, Oracle Fusion Middleware, about the product. One of the best things about the pack is that, while...

Matt Raible09/10/09
5347 views
10 replies

Concurrency on the JVM Using Scala with Venkat Subramaniam

This evening, I attended the Denver JUG where Venkat Subramaniam was speaking about Scala. Unfortunately, I arrived halfway through his Programming Scala talk and didn't get a chance to learn as much as I wanted to. What I did see made Scala look very...

Vincent Partington09/09/09
22115 views
9 replies

JPA Implementation Patterns: Field Access vs. Property Access

I will continue the JPA implementation patterns series by discussing the relative merits of field access vs. property access. The JPA specification allows two ways for the persistence provider to access the persistent state of an entity. The persistence...

Kirk Knoernschild09/09/09
9385 views
13 replies

Eliminate Architecture

I believe : The best way to deal with architecture is to eliminate it. Architecture’s Goal Let’s start at the beginning. First, by defining architecture. Second, by understanding the goal of architecture. I’ll offer two perspectives, one from Fowler...

Pierre Rougier09/08/09
9677 views
2 replies

How to Install the Scala plugin for NetBeans on Windows XP

The following instructions will show you how to get the Scala plug-in working on NetBeans with Windows XP. First, if you haven't done so already, you will need to download and install the latest nightly release of NetBeans 6.7.1 : NetBeans 6.7.1 latest...

Felipe Gaúcho09/07/09
6258 views
5 replies

A REST Project With Glassfish

I am working out a new pet project, an online system to support PUJ Competitions. It is still a work under progress and I plan to start to blog some technical results here, but until that glorious free time I would give you a glimpse about what is keeping...

Geertjan Wielenga09/07/09
4526 views
0 replies

Interview: Jean-Pierre Laisne from OW2

Jean-Pierre Laisne has been involved in the software industry since the early '80's. He's worked in system integration, R&D, and consulting, focusing on free software since the early '90's. One of his first successes in the free software domain was with...

Mark Clarke09/07/09
9333 views
6 replies

Integrating BIRT With Wicket

In my previous article I setout a way we used to, at least partially, integrated BIRT into the Maven build process for a recent project. My next challenge on the project was how to integrate Birt into the Wicket framework?

Masoud Kalali09/07/09
6370 views
3 replies

JPA and First Tier Application Performance Problems

I want to write about JPA, performance, caching and related things. Though it wont be very well organized, it may come useful for new JPA developers. Recently I have been assigned a task to work on performance problems of a first tier application and further...

Peter ___09/04/09
12952 views
20 replies

Java collections – Are There Alternatives?

The built-in collections for Java have good performance and are nice to use – especially with the new for-loop pattern. But are there alternatives? And if so, why should I use them? (Please use the comment functionality ) The following collection...

Anthony Goubard09/04/09
12865 views
3 replies

Java, JavaFX and Temporary Files

Here is another angle on Java under the hood: "Temporary" files. Yes, Java and JavaFX create a bunch of temporary files (some of them being more permanent than others).Here is a view of some of them (my OS is Windows XP):

David Green09/04/09
8942 views
3 replies

How I Lost My Annotations: JPA, Hibernate and FetchType.LAZY

Many JPA applications use Java annotations on their domain model classes in order to specify validation rules. Runtime frameworks use reflection to discover these validation rules and enforce them at runtime. This all works nicely until you realize that you...