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Whats New In Spring 3.0 ?

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Whats New In Spring 3.0 ?

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Spring 3.0 GA is awaited in the second half of 2009. The session will show an
overview of the changes and the new features of the framework.Demos will be
shown on a sample application deployed on the new GAE/J.

Spring 3.0 GA is awaited in the second half of 2009. The session will show an
overview of the changes and the new features of the framework.Demos will be
shown on a sample application deployed on the new GAE/J.

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Whats New In Spring 3.0 ?

  1. 1. Patrick Baumgartner
  2. 2.  Trivadis AD Consultant  Focus on  Web development  OSGi / Spring dm  Agile software development
  3. 3.  Roadmap  Milestones / Feature Overview  Spring Expression Language (SpEL)  IoC / JavaConfig Integration  REST Support  Bean Validation  New Project Layout  GAE/J Demo
  4. 4.  Spring Framework 1.0 24.03.04  Spring Framework 2.0 05.10.05  Spring Framework 2.5 19.11.07
  5. 5.  Spring Framework 3.0 M1 08.12.09  Spring Framework 3.0 M2 01.03.09  Spring Framework 3.0 M3 Q1 2009  Spring Framework 3.0 RC 1 Q2 2009  Spring Framework 3.0 RELEASE Q2 2009
  6. 6.  Spring EL and REST support  Updated codebase for Java 5 code style  Updated to JUnit 4.5 and JRuby 1.1  @PathVariable , @RequestParam, @RequestHeader, @CookieValue  AbstractAtomFeedView and AbstractRssFeedView  <spring:url> and <spring:param> JSP tags
  7. 7.  Further Java 5 style API updates  Extended concurrency support  OXM module in core  RestTemplate  MVC on Portlet 2.0  Early JPA 2.0 support
  8. 8.  Annotation-based factory methods  Declarative validation (based on JSR-303 quot;Bean Validationquot;)  New XML configuration namespaces (orm, scheduling)  Spring MVC: conversation management  Preparations for JSF 2.0
  9. 9.  Overdue since weeks  Release at SpringOne Europe 2009 Conference ?!  Jira History  Tuesday 21.04.09 - 14 Issues left  Wednesday 22.04.09 - 7 Issues left  Yesterday 24.04.09 – 8 Issues left  Today ... 9 Issues left
  10. 10.  requires Java 5 or above  requires J2EE 1.4 or above  Some spring cleaning (removed/deprecated outdated classes)  SpringSource is building the Spring Framework on Java 6 and Java EE 5  But still compatible with Java 5 enabled J2EE 1.4 servers such as WebLogic 9 and WebSphere 6.1.
  11. 11.  EL implementation included in Spring 3.0  package org.springframework.expression  next-generation expression engine inspired by Spring Web Flow 2.0's expression support  Compatible with Unified EL syntax and morepowerful  navigating bean properties, collections, maps, custom  method invocations  construction of value objects
  12. 12.  Implicit variables  systemProperties , systemEnvironment  global platform context  Spring beans by name  similar to managed beans in JSF expressions
  13. 13.  @Configuration  @Bean  @Primary  @Lazy  @Import  @Value
  14. 14.  Spring MVC 3 provides support for REST-style mappings  extraction of URI template parameters  content negotiation in view resolver  Goal: Native REST support within Spring MVC, for UI as well as non-UI usage  in natural MVC style
  15. 15.  @RequestMapping  @RequestParam  @PathVariable  @ModelAttributes  @SessionAttributes  @CookieValue  @RequestHeader
  16. 16.  Allows HTML browsers to emulate PUT and DELETE requests  HTML forms only support GET/POST natively  Special hidden parameter determines RequestMethod
  17. 17. In view:  Metadata can be used for persisting, rendering, etc  Spring: to be supported for MVC data binding  JSR-303 quot;Bean Validationquot; as the common ground
  18. 18.  Framework modules revised  now managed in Maven style  one source tree per module jar  spring-beans.jar, spring-aop.jar, etc  no spring.jar anymore!
  19. 19.  Built with new Spring build system as known from Spring Web Flow 2.0  Ivy-based quot;Spring Buildquot; system  consistent deployment procedure  consistent dependency management  consistent generation of OSGi manifests
  20. 20.  Modularity, shipped as OSGi Bundles  ADD – Annotation Driven Development  Spring JavaConfig integration in Core Module  RESTful Support  Spring EL (SpEL) is Unified EL ++  Bean Validation
  21. 21. Email: patrick.baumgartner@trivadis.com Twitter: @patbaumgartner
  22. 22.  What’s New in Spring 3 by Keith Donald, SpringSource  http://blog.springsource.com/2008/12/05/spring- framework-30-m1-released/  http://blog.springsource.com/2009/02/25/spring- framework-30-m2-released/  http://raibledesigns.com/rd/entry/what_s_coming_i n_spring

Editor's Notes

  • 18 Portfolio Projects
  • Dropping Support for JUnit 3.8 Test Classes Commons Attributes MVC Controller Hierarchy TopLink (new EclipseLink)
  • Some core features from the JavaConfig project have been added to the Spring Framework now. This means that the following annotations are now directly supported
  • To get this to work you need to add the following component scanning entry in your minimal application context XML file. <context:component-scan base-package=\"com.myco.config\"/>

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