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Web Applications

TOTD #30 explained how to create CRUD application using Grails and hosted using in-built Jetty servlet engine and in-memory HSQLDB database. Jetty and HSQLDB are built into Grails and allows to start easily. You can also use GlassFish and MySQL for deploying your applications in production environment. This blog entry walks you through the steps of deploying a Grails application on GlassFish...
on Apr 23, 2008
After a simple Grails application, let's create a CRUD application. Such an application allows to perform basic database operations to read table rows from the database, create new rows, and edit and delete existing rows. This blog shows how such an application can be created using Grails, hosted on built-in Jetty servlet engine and use in-memory HSQLDB database for persistence. A follow-up...
on Apr 22, 2008
Take a look at how crowded were the talkings me and Ted Goddard had. I think this is a good sign about how promising Comet is. First, we showed how Comet (Ajax Push) can be used with ICEFaces and Google Web Toolkit. Then, Ted had a whole talking about asynchronous web. And here we are! :-) If you want to find more about this, don't miss our talkings at JavaOne2008. BOF-4922 Writing Real-...
on Apr 22, 2008
From proof-of-concept to production in 8 weeks, WorldxChange Communication NZ's online billing system is another succes story of JRuby and GlassFish v2. The portal is designed solely using NetBeans 6.1 IDE. Here are some of the quotes from the completed questionnaire: From my perspective, the main advantage was that I could deploy my JRuby project war file directly to Glassfish,...
on Apr 21, 2008
High Performance Web Sites by Steve Souders is one of the most important books front end engineers should read to be able to develop a proper web sites. In 14 chapter, you will know 14 of the best tips to enhance the performance of your website. The good thing in this book, it is quick read and specific, the author gives example by numbers and statistics about the top 10 websites on the...
on Apr 20, 2008
For a while now I've been mulling over an idea for a new type of social network, one which is actually social in nature and not just name. The key to my idea is harnessing the ad-hoc connectivity of wireless mobile devices to move the network out into the real physical world. It's a curious little idea which, like most curious little ideas, involves a lot unknowns which have to be worked out....
on Apr 17, 2008
I've gotten a few questions about how to get datainto jMaki widgets. This blogs describes the different ways in jMaki to load data into widgets. Let's look at the JSP tag for including a jMaki accordionMenu widget in your web application. <a:widget name="jmaki.accordionMenu"      value="{menu : [       {label:...
on Apr 16, 2008
jMaki Webtop is a light-weight Mashup Framework based on jMaki widgets. The webtop was demonstrated at Ajax World East 2008 keynote. The key features are: Simple & easy to use (runs in browser) Extensible (add your own widgets & gadgets) Manageable (create users) Persistent (Google Gears on the client, Database on the server) Shared (read-only views can be shared with other users) A 30...
on Apr 15, 2008
The last part of this tri-series blog (Part 1, Part 2) will show how a Rails application can be deployed on GlassFish - without the need of Goldspike, Warbler or any other gem or plugin. Yes, that's a native Rails app deployment on GlassFish v3. GlassFish v3 is next version of GlassFish v2 and the focus is modularization, enablement of non-Java EE containers and modularity - download b09....
on Apr 14, 2008
This blog has published good amount of content on how Ruby-on-Rails applications can be deployed on GlassFish. Grails is another popular MVC-based framework that leverages the Groovy language. Basically, Grails : Groovy :: Rails : Ruby. Starting today, I plan to start publishing content on Grails and talk about how GlassFish v3 is turning out to be a home for several scripting languages - Ruby/...
on Apr 11, 2008
I was at the Google Campfire One event on April 7th where Google App Engine was officially launched. The whole thing was recorded. So, you didn't miss anything except for the *cold*. Good thing there were camp fires and hot chocolate. Brrrr! Anyway, it sounds like a real sweet and free web application hosting environment. The problem is the only runtime supported initially is Python. However, you...
on Apr 9, 2008
JRuby 1.1 is released and ready for production use today. You can unleash the potential in 3 simple steps - download, unzip & get started. Here is a quote from the announcement: more and more reports of applications exceeding Ruby 1.8.6 performance; we are even beating Ruby 1.9 in some microbenchmarks This is validated by 1 (Oct 2007), 2 (Nov 2007), 3 (Feb 2008), 4 (Feb 2008) and many other...
on Apr 9, 2008
Part 1 of this tri-series blog explained how a Java EE Servlet and Rails application can be packaged together as WAR file using Goldspike plugin and deployed on GlassFish v2 UR1. There are few issues with Goldspike as explained here. A better and recommended option is to use Warbler for packaging which provides a minimal, flexible and Ruby-like way to create WAR. Warbler really cleans up...
on Apr 7, 2008
One of the several advantages of deploying Rails applications on GlassFish is - co-hosting Rails and Java EE applications in the same container. The screencast #web9 shows how Rails applications can be easily deployed on GlassFish. This blog takes the JRuby-on-Rails (jRoR) and Java EE integration to the next level. It show how a Java EE Servlet can be co-bundled within a jRoR application. And...
on Apr 4, 2008
This blog provides how you can get started with Merb on JRuby 1.1 RC3. Merb is another MVC framework (just like Rails) but with a pluggable ORM, JavaScript library and Template language. Rails has built-in support for these using ActiveRecord, Script.aculo.us and ERB templates. Making it pluggable keeps the core very lightweight and still providing support for a particular feature...
on Apr 3, 2008
As reported earlier, I presented on "Rails powered by GlassFish and jMaki" yesterday at The Server Side Java Symposium - Las Vegas. The slides are available here. The demos shown in the talk are available at: Rails 2.0 Scaffold on GlassFish v3 Gem JRuby Update Center Module jMaki on Rails Would you like to know why use GlassFish for Rails deployment ? Rails powered by the GlassFish...
on Mar 27, 2008
Ruby Developer Center is a new page launched today that is a one stop page for any thing & everything about Ruby, JRuby, Rails and all related efforts @ Sun Microsystems. Here are couple of new articles to get you started: NetBeans, Solaris, GlassFish: The Ruby's Red Slippers Fit Rails powered by the GlassFish Application Server The site is divided into 4 tabs - Overview, Reference,...
on Mar 26, 2008
If you want to learn more about: How to use GlassFish as development & deployment platform for Rails applications ? How GlassFish v3 Gem provides a "green" alternative to WEBrick & Mongrel ? How to use NetBeans & jMaki plug-in to embed rich widgets in your Rails applications ? Then you can learn all about it in The Server Side Java Symposium, Las Vegas. Here are the coordinates...
on Mar 25, 2008
JRuby 1.1 RC3 (third and final release candidate) was released last week. The highlights are: 58 issues resolved since JRuby 1.1RC2 ri/rdoc w/ documentation included in distribution More IO corner cases fixed (popen, reopen) Several small bottlenecks fixed This is your last chance to report any issues before JRuby 1.1 goes final. And I encourage you to try out GlassFish v3 Gem (ver 0.1...
on Mar 25, 2008
Do you know there are several advantags of deploying Ruby-on-Rails applications on GlassFish instead of traditional Apache/Mongrel ? Here they are: Identical Development and Deployment Environments Multiple Applications in One Container Multiple Requests by a Single Application Redeploying an Application Clustering, Load Balancing, and High Availability Database Connection...
on Mar 22, 2008