Spring 4, Java EE 7 or Both? @JavaLand 2014

Slides from my presentation at JavaLand 2014.

Transcript

1. Spring 4, Java EE 7 or Both? @ivar_grimstad Spring 4, Java EE 7 or Both? Ivar Grimstad
2. Ivar Grimstad About Spring 4, Java EE 7 or Both? @ivar_grimstad @ivar_grimstad
3. • Spring 4 • Java EE 7 • Combining Spring 4 with Java EE 7 Contents Spring 4, Java EE 7 or Both? @ivar_grimstad
4. Timeline Spring 4, Java EE 7 or Both? @ivar_grimstad Spring 4 Spring 3 Spring 2 Spring 1 Java EE 7 Java EE 6 Java EE 5 J2EE 1.4 J2EE 1.3 J2EE 1.2 JPE Spring 1998 2014
5. Spring 4, Java EE 7 or Both? @ivar_grimstad Spring Framework 4
6. Spring Framework 4 - Overview Spring 4, Java EE 7 or Both? @ivar_grimstad
7. XML ? Configuration Spring 4, Java EE 7 or Both? @ivar_grimstad
8. Annotations and JavaConfig to the rescue! Configuration Spring 4, Java EE 7 or Both? @ivar_grimstad
9. Spring 4, Java EE 7 or Both? @ivar_grimstad New in Spring Framework 4
10. spring.io Spring 4, Java EE 7 or Both? @ivar_grimstad
11. lambda expressions method references @Repeatable Java 8 Support Spring 4, Java EE 7 or Both? @ivar_grimstad @Fruit(1) @Fruit(2) class Bowl{} @Fruits({@Fruit(1), @Fruit(2)}) class Bowl{}
12. • Java EE 6 is the baseline – Servlet 3.0 – JPA 2.0 • Java EE 7 Supported Specifications – JMS 2.0 – JTA 1.2 – JPA 2.1 – Bean Validation 1.1 – Concurrency Utilities Java EE 7 Support Spring 4, Java EE 7 or Both? @ivar_grimstad
13. Groovy Bean Definition DSL Spring 4, Java EE 7 or Both? @ivar_grimstad
14. Generic qualifiers Core Container Improvements Spring 4, Java EE 7 or Both? @ivar_grimstad @Autowired private Foo<Integer> i; @Autowired private Foo<String> s;
15. @RestController = @Controller + @ResponseBody Web Improvements Spring 4, Java EE 7 or Both? @ivar_grimstad
16. WebSocket spring-websocket Messaging spring-messaging WebSocket Spring 4, Java EE 7 or Both? @ivar_grimstad
17. Spring 4, Java EE 7 or Both? @ivar_grimstad Java Enterprise Edition
18. Java EE 7 – Focus Areas Spring 4, Java EE 7 or Both? @ivar_grimstad
19. Configuration Coherent APIs Dependency Injection Annotations Developer Productivity Spring 4, Java EE 7 or Both? @ivar_grimstad
20. WebSockets JSON Processing HTML 5 Spring 4, Java EE 7 or Both? @ivar_grimstad
21. Updated JMS Support Batch API Meeting Enterprise Demands Spring 4, Java EE 7 or Both? @ivar_grimstad
22. Java EE 7 - Overview Spring 4, Java EE 7 or Both? @ivar_grimstad
23. Java EE 7 Compatibility Spring 4, Java EE 7 or Both? @ivar_grimstad
24. Spring 4, Java EE 7 or Both? @ivar_grimstad Mixing Spring 4 with Java EE 7
25. Java EE 7 vs Spring 4 Spring 4, Java EE 7 or Both? @ivar_grimstad
26. Spring 4 vs Java EE 7 Spring 4, Java EE 7 or Both? @ivar_grimstad
27. Application based on Spring 4 Spring 4, Java EE 7 or Both? @ivar_grimstad
28. Application based on Java EE 7 Spring 4, Java EE 7 or Both? @ivar_grimstad
29. Application based on Both Spring 4, Java EE 7 or Both? @ivar_grimstad
30. Spring 4, Java EE 7 or Both? @ivar_grimstad DEMO !
31. • Create a Spring 4 application • Rewrite it to Java EE 7 • Combine the two approaches • Run them in different application servers – WildFly – Glassfish – Tomcat Demo Contents Spring 4, Java EE 7 or Both? @ivar_grimstad
32. Spring 4 - Configuration Spring 4, Java EE 7 or Both? @ivar_grimstad @Configuration @ComponentScan("eu.agilejava.spring4") @EnableWebMvc public class ApplicationConfig extends WebMvcConfigurerAdapter { }
33. Java EE 7 - Configuration Spring 4, Java EE 7 or Both? @ivar_grimstad @ApplicationPath("api") public class ApplicationConfig extends Application {
34. Spring 4 + Java EE 7 - Configuration Spring 4, Java EE 7 or Both? @ivar_grimstad @Configuration @ComponentScan("eu.agilejava.both") @ApplicationPath("api") public class ApplicationConfig extends Application { }
35. • No configuration changes • No code changes • New dependency (pom.xml) Spring 4 - Portability Spring 4, Java EE 7 or Both? @ivar_grimstad
36. • Minor configuration changes • No code changes • No new dependencies (pom.xml) Java EE 7 - Portability Spring 4, Java EE 7 or Both? @ivar_grimstad
37. • Configuration changes • No code changes • New dependencies (pom.xml) Spring 4 + Java EE 7 - Portability Spring 4, Java EE 7 or Both? @ivar_grimstad
38. • Spring 4 is more portable • Even across Java EE 7 app servers • Java EE 7 requires less configuration • And fewer dependencies Conclusion Spring 4, Java EE 7 or Both? @ivar_grimstad
39. Favor one framework over mixing One Last Tip Spring 4, Java EE 7 or Both? @ivar_grimstad
40. https://github.com/ivargrimstad/spring-javaee Sources Spring 4, Java EE 7 or Both? @ivar_grimstad
41. Spring 4, Java EE 7 or Both? @ivar_grimstad