Annotation Driven Portlet Development w/Spring

Andy Pemberton,

Agenda

• Spring Portlet MVC 2.5

• Annotations

• Goodies

• Real World

• Demo

• Coming Soon

Spring Portlet MVC

• Design Pattern

• Model View Controller

• Front Controller

Spring Portlet MVC

• JSR 168 - Portlet 1

• JSR 286 - Portlet 2

• Two Phase

• CapTech State Pattern

Spring Portlet MVC

• Dependency Injection

• applicationContext.xml

• *-portlet.xml

Spring Portlet MVC

• Web MVC > Portlet MVC

• Flexible ViewResolver

• Binding

• i18n

Old School

Old School

• Improvement, but...

• Pre-Java 5 constructs

• “Programming in XML”

New School

Spring Portlet Annotations

• Web

• @Controller

• @RequestMapping

• @ModelAttribute

• DI

• @Component, @Service

Other Spring Goodies

• Flexible method signatures

• Spring portlet filters

• Form and error tags

• <component-scan />

springmodules

• Spring integration framework

• Validation, JCR, Cache

• https://springmodules.dev.java.net/

Real World

• Challenges: 168 IPC, learning curve

• Leverage existing conventions

• Method signature standards

• EAR-wide applicationContext

Coming Soon...

• Tooling

• Eclipse (IBM RAD)

• JSR286, Spring 3

• Bleeding Edge

• Seam portlets, JSR301, Guice

Get in Touch

• www.andypemberton.com

• aim: apembertonhsc

• apemberton@messaging.captechventures.com