Make sure you didn't miss anything with this list of the Best of the Week in the Enterprise Integration Zone (February 27 - March 06). Here they are, in order of popularity:
Application events are available since the very beginning of the Spring framework as a mean for loosely coupled components to exchange information.
The Spring Integration JavaConfig and DSL extension provides a set of convenient Builders and a fluent API to configure Spring Integration message flows from Spring @Configuration classes.
3. Using JDK 8 Streams to Convert Between Collections of Wrapped Objects and Collections of Wrapper Objects
I have found Decorators and Adapters to be useful from time to time as I have worked with Java-based applications.
Application security is not a concern that we can ignore. Vulnerabilities come from various angles, but it is important to stay aware and vigilant so we can recognize and thwart threats.
The JBoss apiman project did just release 1.0.3.Final this week. It's mostly a bug fix release, with just a couple of relatively minor improvements.