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Web Applications

grailsexample Sample Store Catalog using using Groovy and Grails and the Java Persistence API on Glassfish with MySQL I modified this Groovy and Grails  Catalog Sample application to use JPA entity java classes instead of  Groovy domain classes. I followed the steps in this InfoQ article Grails + EJB Domain Models Step-by-Step  and I was really surprised at how easy it...
on Jul 7, 2008
Comet Slideshow example on Grizzly A Comet Slideshow example using dojo, Comet, Bayeux, on Grizzly with Glassfish           This Sample Slideshow app demonstrates the usage of the dojo Ajax framework, Comet, Bayeux, with Grizzly and Glassfish. Download the dojo Comet Sample Application Code dojo  is an open source DHTML toolkit written in...
on Jul 1, 2008
I've created a Rails "Hello World" app numerous times. But I decided to write a simple using the testing framework provided by Rails. This blog explains my experience of writing such a test. Create a "Hello World" app as: ~/samples/jruby/test >~/testbed/jruby-1.1.2/bin/jruby -S rails helloworld              ...
on Jul 1, 2008
Today is apparently Bill Gates' first day away from Microsoft. As he leaves, some have suggested Microsoft's star is now in the descent, as Google's star climbs ever higher. Is this really the case, is Google destined to become the next Microsoft? When a company attains a certain dominance in the market, isn't it hard to unseat them? After all, they can afford to hire all the best people!...
on Jun 30, 2008
The stable release of Magnolia 3.6 will soon be out and it will ship with a brand new cache system implemented from scratch. The intention was not to reinvent the wheel, instead, the new cache system decouples Magnolia's presentation layer from the underlying cache mechanisms and allows to plug in any cache engine of choice. Magnolia 3.6 will be distributed with EHCache as the default cache...
on Jun 26, 2008
Are you deploying your JRuby-on-Rails applications on Solaris (or any variety of Unix) and not able to connect to the database ? I experienced it last week so thought of sharing the tip here. Luckily it's really simple. Here is the default generated "config/database.yml" development:   adapter: mysql   encoding: utf8   database: runner_development   username: root...
on Jun 23, 2008
Rails 2.1 was released earlier this month. GlassFish provides a complete development/deployment environment for Rails applications. Some of the main reasons for using GlassFish (instead of WEBrick or Mongrel) are: Identical Development and Deployment environment Multiple Applications can be deployed on one Container Multiple requests can be handled by a single application (with no extra...
on Jun 19, 2008
Few months ago I did my Hello World Flex, I used Adobe Flex Builder and founded it interesting to produce RIA. After than I tried a simple application for file download and discovered some features in Flex. Now, I came with a new project and decided to use Flex to do the job. What is my project? It is a small and smart product catalog with search facilities and customer reviews. Why I decided to...
on Jun 10, 2008
Following my open questions series to Jazoon'08, I will abandon my server roots for a moment and I will visit the the GUI programming - a joy I usually delegate to other people but I must confess that also has it goodies. Preparing for the conference, I am applying an extra effort on my open source Cejug-Classifieds, a J2EE application that uses a JAXWS SOAP WebService as business facade. You...
on Jun 9, 2008
jMaki Presentation slides and Sample code jMaki is a lightweight framework for creating Web 2.0 applications using standards-based technologies such as CSS, HTML, and JavaScript. I have updated the Sun Tech Days  jMaki presentation I am giving in Manilla with explanatory notes for the slides.  I have also updated the Dynamic Ajax table example using jMaki and Java Persistence APIs on...
on Jun 6, 2008
I never wrote anything about Magnolia on this blog yet, so for those of you who never heard of it here comes a brief summary. If you know what Magnolia is about, feel free to skip to the next paragraph. Magnolia is a Content Management System (CMS). It is Open Source and there is a Community Edition available for those who are in need of a CMS and are happy to work it out themselves and rely on...
on Jun 5, 2008
   OTM 2008 Federated Conferences - Call For Papers             Monterrey (Mexico), November 9 - 14, 2008               http://www.cs.rmit.edu.au/fedconf/BRIEF OVERVIEW"OnTheMove (OTM) to Meaningful Internet Systems and UbiquitousComputing" co-...
on May 30, 2008
Project SocialSite makes it easy to add social networking features to your existing web applications or community sites (running on Java, PHP or Ruby) and turn it into an OpenSocial container. It comes with a comprehensive and highly scalable implementation of social graph, integrates seamlessly with existing identity and authentication mechanism, make it easy to plug into existing...
on May 30, 2008
I attended the Semantic Technology Conference in San Jose last week (May 18-22). Here are my notes on the sessions. I attended the Semantic Technology Conference in San Jose last week (May 18-22). It was interesting to attend this conference so soon after I participated in JavaOne 2008 earlier in the month. At JavaOne I had many responsibilities (give a presentation, meet with customers and...
on May 30, 2008
JRuby 1.1.2 is now released - download here! The highlights are: Startup time drastically reduced YAML symbol parsing >100x faster Performance, threading, and stack depth improvements for method calls Fixed several nested backref problems Fixed bad data race (JRUBY-2483) Gazillions of bigdecimal issues fixed 95 issues resolved since JRuby 1.1.1 Getting started is really simple, just...
on May 29, 2008
Redmine is a flexible project management web application written using Ruby on Rails framework. The feature list is pretty comprehensive from the usual suspects like multiple projects, role-based control, forums/wikis/SCM for each project to enterprise level features such as LDAP-authentication and multiple languages. It is cross-platform and cross-database and deploys very nicely on GlassFish...
on May 23, 2008
Sun Microsytems is a sponsor of Enterprise 2.0 Conference (Jul 9-12, 2008, Boston). The conference has regular tutorials, keynotes and general sessions, multiple tracks and pavilion (even a free pavilion pass). They also have Launch Pad that allow companies developing new social networking products to compete for the chance to present them in front of the largest audience in the...
on May 22, 2008
We now have an aggregated feed for all webtier related blogs - http://feeds.feedburner.com/GlassFish-webtier.
on May 21, 2008
Sang Shin and Brian Leonard are starting a new free online course of "Ruby, JRuby and Rails Application Development (with Passion!)". The course is taken online and will start from Jul 15, 2008. The objective of this course are "This course will go through briefly the basics of Ruby (and JRuby) programming language first.  The rest of the course will be devoted to learning Rails...
on May 21, 2008
One of the main advantages of using JRuby-on-Rails instead of Ruby-on-Rails is to harness the power of Java libraries available in the Java platform. The Java 2D API is a set of classes for advanced 2D graphics and imaging, and provides extensive support for image compositing and alpha channel images, a set of classes to provide accurate color space definition and conversion, and a rich set of...
on May 19, 2008