Web Development in Groovy using Groovlets


1) Introduction In this article, we will learn about how to achieve Web Development using Groovy. Groovy is a scripting language and it has components called Groovlets which sit on top of a Web Server for handling HTTP Requests and Responses similar to Java Servlets. This article will provide an overview about Groovlets in the […]

Request Processing Lifecycle phases in JSF


1) Introduction This article will explain the sequence of activities that will take place while processing the Request in a typical Web Application. The various phases like the Restore View Phase, Apply Request Values Phase, Process Validations Phase, Update Model Values Phase, Invoke Application Phase and Render Response Phase are covered briefly. First-time readers of […]

Using Converters in JSF


1) Introduction Java Server Faces provides a component-based event-driven model for User Interface Layer in a Web Application. JSF UI Components behave very similar to Swing Components in which case Events are made to trigger by the User and they are handled by appropriate Listeners. In this article, we will focus on Converters which remains […]

Accessing Web Services from JSF applications


1) Introduction In this technical article, let us see how it is possible to access Web Services from JSF Applications. JSF Application resides in the Web Tier of a typical Enterprise Application, whereas Web Services are External Services that reside in the Application Tier. We make use of Java EE 5 for developing the Sample […]

Event Driven Programming with JSF


1) Introduction This article discusses theories and concepts related to JSF Event Model. It details the supporting high level classes and interfaces that are involved in JSF Event Handling Mechanism. The logical categorization of JSF Events is also explained along with code snippets. Then, the tags available in the core JSF Framework are also discussed. […]

Navigation model in JSF


1) Introduction In this article, let us see the different types of Navigation mechanisms available in JSF. The JSF Navigation Model is both declarative and programmatic, i,e, Navigation can be configured either statically in the deployment time or dynamically during the run-time of a Web Application. We will see how to configure such navigation models […]

How to integrate Spring with iBatis?


1) Introduction iBatis is an object-relational mapping tool (ORM) that simplifies access to database. This article details the steps needed for integrating Spring with iBatis. Through such an integration, objects that are specific to iBatis can utilise all the benefits given by Spring’s IOC Container. This is not an introductory article for both Spring and […]

Life Cycle Management of a Spring Bean


1) Introduction This article would brief about how a Spring Bean is managed in IOC (Inversion of Control) Container. Spring Beans exist within the Container as long as they are needed by the Application. There are various life-cycle interfaces and methods that will be called by the IOC Container. The pre-requisite for this article is […]

Knowing about your Database


We use the Jdbc APIs for accessing the data from the database system. However, the different databases from different vendors will vary a lot in their underlying model and functionalities. For example, a feature supported in one database might not be supported in another database. So, even before working with a database, it is important […]

Customizing Dragging and Dropping for Swing Components


Swing’s Drop and Drop API can be used for customizing Drag and Drop support. For most of the commonly used components like Text Components, Color Chooser, File Chooser etc, the dropping support is enabled by default. We have to explicitly enable the dragging support by calling the setDragEnabled() method. Before getting into customizing them, let […]