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Open Source

I want to let you know that since the release of Caucho Resin 4.0, Atmosphere applications can be deploy on Resin and will be supported natively. Resin 4.0 implements Servlet 3.0. That's really good. Another web server that is supported. What about the Websocket's Caucho implementation... nah ! There implementation is too buggy right now. I suppose the code it using a early release of the...
on Aug 10, 2010
Just a little note that we try to add Websphere native support for Atmosphere. We work really hard to find an API that could allow us to do that, but is simply impossible. We were able to get in touch with the dev team of Websphere and the dev team of WebSphere Application Server Feature Pack for Web 2.0. They have demo that used bayeux for comet application or JMS to simulate asynchronous...
on Aug 9, 2010
Just to let you know that Grizzly Deployer was adopted (almost) by another framework : Akka. Since May 22, 2010, viktorklang is working in a branch : deployer. here the description in the commit "Starting to add Deployer [viktorklang]" You can browse the code on github : http://github.com/jboner/akka/tree/deployer/akka-core/ I hope to see that included in a next release. You can follow me on...
on Aug 8, 2010
Just to let you know that Grizzly Deployer was adopted by another framework : Atmosphere. Since Atmosphere-0.6, Grizzly Deployer is in the module : spade-server To launch Atmosphere application you could use Grizzly Deployer or use Atmosphere-Spade-Server (that used Grizzly Deployer under the hood). You can browse the changes on github : http://github.com/Atmosphere/atmosphere/tree/master/...
on Aug 8, 2010
It has been a while since a blog about Grizzly, I was too busy adding new features. The Grizzly Deployer's community grows and requested theses new features. Here a quick list of the changes : Websockets support Watch folder Can starts without applications to deploy Can be embedded and extended easily and few bug fixes (thanks to the community) A little overview or remainder of what is...
on Aug 7, 2010

J2SE

CONTEXT I want to share a problem that we had in our project. We were doing a real-time "Profits and Loss" server (P&L). The server sends stock updates to all the users subscribed to the stocks, basically as Google Finance or Yahoo Finance. SIMPLE IMPLEMENTATION I will used a basic approach (no aggregation and no optimization) to explain the problem that we had with Serialization and...
on Aug 6, 2010
In this part we will discuss the basic classes that we will work with them to have file system operations like copying a file, dealing with symbolic links, deleting a file, and so on. I will write a separate entry to introduce classes which are new to Java 7 for dealing with streams and file contents, watching service and directory tree walking. If you want to know what are new features in Java...
on Jun 1, 2010

EJB

Community

Content available at: http://blogs.sun.com/arungupta/entry/fisl_2011_trip_report
on Jul 28, 2010
Still hesitating to join JCertif 2010 http://www.jcertif.com ? See Tasha's excellent post on Brussels JUG website http://www.brussels-jug.be/?p=785 PS : We offer the hotel (one night) to thank our Speakers.
on Jun 20, 2010
Content available at: http://blogs.sun.com/arungupta/entry/jazoon_2010_day_3_java
on Jun 3, 2010

Extreme Programming

In the previous installment of Effective Architecture, I covered TDD with Model-View-Presenter. However the code I presented had synchronous server calls. In JavaFX (like Swing), the UI code runs in the Event Dispatch Thread (EDT). It is unwise to block the EDT. Hence it is encouraged to execute all server calls on a separate thread. SwingWorker Swing provides SwingWorker to execute tasks off the...
on Jul 23, 2010

Servlets

Content available at: http://blogs.sun.com/arungupta/entry/java_ee_6_glassfish_31
on Jul 20, 2010

Programming

Here is a little code challenge ! I'm actually working on a text-mining/semantic web application focused (for the moment) on biomedical informations and developed in Java. We are using external tools for text-mining analysis and unfortunatly theses tools don't handle HTML pretty well ... If we send raw HTML to the text-mining service, he simply break. So we must convert HTML to plain-text before...
on Jun 30, 2010

J2EE

Content available at: http://blogs.sun.com/arungupta/entry/totd_141_running_glassfish_3
on Jun 24, 2010

Security

 In two previous entries I covered Introducing NIO.2 (JSR 203) Part 1: What are new features?  and Introducing NIO.2 (JSR 203) Part 2: The Basics  In this entry I will discuss Attributes introduced in NIO.2. Using attributes we can read platform specific attributes of an element in the file system. For example to hide a file system in DOS file system or to check the last access date of a file in...
on Jun 23, 2010
OpenESB project initiated by Sun Microsystems to develop and deliver a high performance, and feature rich implementation of Java Business Integration (JBI) under an open source friendly license. Basic task of JBI implementations is connecting different type of resources and applications together in a standard and none intrusive way. Basic building blocks of an ESB includes the Bus which is a...
on May 24, 2010

GUI

I am happy to announce the release of Apache Pivot 1.5! Apache Pivot (http://pivot.apache.org) is a platform for building rich Internet applications (RIAs) in Java. It combines the enhanced productivity and usability features of a modern RIA toolkit with the robustness of the industry-standard Java platform. Pivot 1.5 includes a number of improvements intended to help improve the overall...
on Jun 8, 2010
We are opening our embeddable Wiki engine "GWiki", which is written in Java with the Apache License 2.0 to all backend Java developer in the world. If you want to allow your customer to edit rich text fragments in your app, even their I18N files or mulitimedia content in the Wiki-way... try our GWiki - it rocks. Since Gwiki can be extended with macros written in Java...
on May 22, 2010

Mobility

 In front of hundreds of guests from the economy sector, the political sector as well as the Information and Communications sector (ITK) the 'Initiative for Small and Medium Sized Businesses' awarded the Innovation Prize IT 2010 during the NORD/LB forum at the CeBit for the best IT innovations of the year. Micromata came third in the Open Source category with its Java API for KML - JAK. The...
on May 30, 2010