Articles
Patterns of design and methodologies are documented in this series of articles which targets J2EE systems.
User presence is the domain normally represented by instant messaging systems, and while libraries supporting presence have existed for Java for a while, presence isn't normally represented in J2EE. This article shows you how to change that.
The Spring framework provides a mechanism for replacing abstract bean methods with bean instances defined in the Spring configuration context. This functionality is provided by the 'lookup-method' element in the Spring context.
In this article we present a utility that combines the functionality of the 'lookup-method' element with the convenience of Spring by-name autowiring.
The following describes a JOnAS service that registers an MBean listener to EJB container registration/unregistration events. These events are generated when an EJB jar file is deployed/undeployed. Handling these events allows running custom setup/cleanup code when EJBs are added or removed respectively from the EJB container.
