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In this article I'll describe the setup I use to do develop Lift applications. While more heavy-weight than if an interpreted language is used, I find this setup provides fairly decent turnaround times. So, it took a little longer than expected to write this article which continues where the previous stopped. But all good things come to he who waits The software used in the previous article all had major updates in the meantime: Scala 2.8 (2.8.1 is just around the corner) Eclipse 3.6 Scale IDE for Eclipse (though a nightly build is currently needed for Eclipse 3.6) Gradle 0.9 RC1 Lift 2.1 RC2

This article explains how to develop RESTful web services in Java with the JAX-RS reference implementation Jersey. In this article Eclipse 3.5, Java 1.6, Tomcat 6.0 and JAX-RS 1.1. (Jersey 1.1.5) is used.

"Background processes in Eclipse RCP and Eclipse Plugins This article describes how to use the Job API in Eclipse RCP and Eclipse plugins to perform asynchronous tasks. It also discuss how to update the UI thread. This article is based on Eclipse 3.6 (Helios). "

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"This article looks at the new Jobs API available as part of Eclipse 3.0. It describes the main portions of the Jobs API and the use of scheduling rules. It also describes some changes to Eclipse resource management including how the Resources plug-in integrates with the new API. Finally, it describes some new UI functionality that has been added to provide feedback to users about jobs that are run in the background. "

This blog host some of the good article on Java, FIX Protocol and Tibco Rendezvous messaging. I have shared Interview questions, daily tips, commands and approach on how to increase productivity and work effectively with these technology.

Setting up an infrastructure for Instant Messaging" article series. In my previous tutorials, I showed you how to setup the Openfire IM Server and how to configure the Spark client in order to connect to that server. In this tutorial, I will show you how to add XMPP messaging capabilities to your own application. I will use the Smack library, an Open Source XMPP (Jabber) client library for instant messaging and presence. Smack is a pure Java library and can be embedded into your applications to create anything from a full XMPP client to simple XMPP integrations.

Last week I decided to challenge Scala's downscalability by trying to replace a Groovy script with a Scala pendant. In this article you will read about this little experiment and a comparision of the Scala result with the Groovy predecessor. But first some background about the script: Some time ago my company introduced a new spam notification system.  When it thinks that a mail contains spam, it keeps it in quarantine and once or twice a day sends an email to the recipient (me) reporting all the kept mails, together with an intranet web link for each  to release it. Here you see an example of such a mail (note: I have my mails displayed in plain text format):

This article shows how to develop a simple plugin which provides a custom transformation step for Kettle 4.0. The transformation step should accept any row stream and append a string field at the end, filling it with a fixed value. The user should be able to define the name of the added field. For starters, that should be enough. Keeping the step functionality at a minimum allows me to explain how the plugin interfaces with Kettle with as little distraction as possible.

" In general when people think about running a Java based application server with Apache as front-end they almost always think about using mod_jk to proxy to Glassfish, but you can also use mod_proxy quite effectively. If you are wanting to proxy from a HTTPS Apache to a HTTP Glassfish then this article describes how you can do that. "

"The concept of automatic incremental compilation is not familiar to many developers. A very frequent question from Eclipse beginners is, "where is the compile button?" The answer is that an IDE with automatic compilation doesn't need a compile button. Every time you make a change to a file, or a group of files, the incremental builder immediately rebuilds every source file that was affected by the change. In this environment, the idea of compilation as a task the user is involved in disappears -- the world is just always in a compiled state. So what magic goes on behind the scenes to make this happen? How does the Java™ builder know which files need to be recompiled when a given source file changes? This is no easy task, but in broad brush strokes, this is what the Eclipse Java builder does: "

JDBC realm has a lot of attention in recent months. This blog summarizes the evolution of the JDBC realm implementation in GlassFish and explains how the latest implementation works. I would like to thank Jean-Baptiste, and Richter for their contributions and comments. The participation from the open source community definitely helps everyone. I encourage all of you to give feedback, participate, and help evolve this feature further. GlassFish always had the capability for anyone to plug-in a realm. Implementing a custom realm in the Sun Java System Application Server EE 8.0 is described in the article Authentication Using Custom Realms in Sun Java System Application Server. In S1AS 7.x, there is a JDBC Realm bundled in sample. Jean-Baptiste formally filed an enhancement and provided a clear text version of JDBCRealm for GlassFish. Richter wrote another implementation because the GlassFish JDBCRealm at that time not compatible with Tomcat.

Apache Shiro (pronounced "shee-roh", the Japanese word for 'castle') is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management and can be used to secure any application - from the command line applications, mobile applications to the largest web and enterprise applications. Shiro provides the application security API to perform the following aspects (I like to call these the 4 cornerstones of application security): Authentication - proving user identity, often called user 'login'. Authorization - access control Cryptography - protecting or hiding data from prying eyes Session Management - per-user time-sensitive state Shiro also supports some auxiliary features, such as web application security, unit testing, and multithreading support, but these exist to reinforce the above four primary concerns.

" Xtext has been released as a part of the Eclipse Galileo release train on June 24th, 2009. Xtext is a framework for building DLSs (domain specific languages). In fact, it can be seen as a DSL for defining DSLs. In this article, we will develop a small DSL for defining entities."

"Developing rigorous and responsive web service client applications has always been a challenge for architects and developers working with SOA. JAX-WS 2.0 comes with one effective solution to this problem: asynchronous web service invocation. In this article, we will provide an exposition of this technology with examples built upon the reference implementation. The JAX-WS programming model offers two models for invoking operations asynchronously - polling and callback. Both methods allow the client to continue processing while waiting for a response."

" Given that web service invocations are always remote across the internet, developing rigorous and responsive web service client applications has always been a challenge for architects and developers working with SOA. JAX-WS 2.0 comes with one effective solution to this problem: asynchronous web service invocation, with which a web service client may interact with a web service in a non-blocking, asynchronous approach. In this article, we will provide an exposition of this technology with examples built upon the reference implementation. Our examples utilize JDK 5.0, JAX-WS 2.0 reference implementation (RI), and Tomcat 5.5. JAX-WS 2.0 requires JAXP 1.3. To replace the JAXP 1.2 released with JDK 5.0 with this newer version, one approach is to download the JAXP 1.3 RI, and copy the endorsed directory under /lib of its installation home to %JAVA_HOME%/jre/lib. We need to copy the jaxp-api.jar of JAXP 1.3 RI to %JAVA_HOME%/jre/lib/endorsed as well. To make Tomcat 5.5 work with JAX-WS 2.0, readers need to copy all the .jar files under the /lib directory of the JAX-WS 2.0 RI installation to the %CATALINA_HOME%/shared/lib directory. As of this writing (in addition to Tomcat 5.5), Sun Java System Application Server 9.0, GlassFish, and Celtix also support JAX-WS 2.0. xFire is in the process of completing its implementation of this specification. Since asynchronous web service invocation in JAX-WS 2.0 is built upon the concurrent programming support in JDK 5.0 introduced with the java.util.concurrent package, we will start from there."

The database administrators are extremely methodical professionals. Though the Enterprise Manager tool automates much of the gathering of information that is needed by database administrators

A pretty common request that I hear is how do you build a wizard in RichFaces. So, that's exactly what we are going to build. You come into a bar and on each table there is a screen via which you place an order. You click to start an order, a wizard is launched where you enter all the required information and place the order. We will also have the ability to view all placed orders. Additionally, we will be able to change the look and feel of the ordering screen using RichFaces' skinnability feature.

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