Spring vs. Java EE QConSP 2012
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The document discusses a championship event comparing the Spring framework and Java EE platform, highlighting their strengths, weaknesses, and features. It presents a fight card that covers various aspects such as dependency injection, persistence, transactions, security, and web services within both frameworks. The conversation emphasizes innovation alongside standards, and features insights from notable figures in the field.
![Web-Peso pesado
Spring JavaEE
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QCONSP #3 ROUND #4](https://image.slidesharecdn.com/qconspcopy-120806103754-phpapp01/85/Spring-vs-Java-EE-QConSP-2012-31-320.jpg)
Spring vs. Java EE QConSP 2012
- 4. QCONSP #3 Duelo de titãs SPRING vs JAVA EE
- 5. QCONSP #3 JUÍZES
- 6. QCONSP #3 THE CHALLENGER
- 7. JAVA EE PLATFORM • lutador experiente • mudou a tática no Java EE 5 • ganhou confiança: CDI • perdeu peso para ser ágil • quer lutar na nuvem Patrocinado por: Oracle, Red Hat, IBM and other QCONSP #3 THE CHALLENGER
- 8. QCONSP #3 THE CHAMPION
- 9. THE SPRING FRAMEWORK • sem derrota desde 2004 • nocauteou o J2EE • luta em qualquer container • golpes fortes com POJOs • sabe explorar bem seu oponente Patrocinado por: Spring Source QCONSP #3 THE CHAMPION
- 10. QCONSP #3 FIGHT CARD
- 11. “Spring always depended on Java EE.” Bill Burke QCONSP #3 FIGHT CARD
- 12. Princípio UFC (princípio hollywood) “Don’t fight us, we fight you!” QCONSP #3 ROUND #1
- 13. CDI QCONSP #3 ROUND #1
- 14. "Spring does, truly, embody many of the best practices of 2004." Gavin King QCONSP #3 ROUND #1
- 15. IoC / DI QCONSP #3 ROUND #1
- 16. IoC / DI Spring JavaEE @Controller @Named @Scope(“request”) @RequestScoped public class ContatoBean { public class ContatoBean { @Autowired //@Inject @Inject private ContatoDAO dao; private ContatoDAO dao; QCONSP #3 ROUND #1
- 17. Persistência QCONSP #3 ROUND #2
- 18. Persistência Spring JavaEE @Repository @Stateless public class ContatoDAO { public class ContatoDAO { @PersistenceContext @PersistenceContext private EntityManager manager; private EntityManager manager; persistence.xml definição datasource QCONSP #3 ROUND #2
- 19. Persistência QCONSP #3 ROUND #2
- 20. Persistência @Repository Spring @Stateless JavaEE public class ContatoDAO { public class ContatoDAO { @Autowired @Resource private JdbcTemplate template; private DataSource ds; public void salva(Contato c){ public void salva(Contato c) { try { template.update( Connection con = ds.getConn..(); "insert ... values (?, ?)", PreparedStatement ps = c.nome(), c.idade()); con.prepareStatement(“insert ..”); } ps.setString(1, c.nome()); } ps.setString(1, c.idade()); ps.execute(); ps.close(); }catch(..){} ... QCONSP #3 ROUND #2
- 21. Persistência QCONSP #3 ROUND #2
- 22. Persistência Spring Data QCONSP #3 ROUND #2
- 23. Transação e Exceção QCONSP #3 ROUND #3
- 24. Transação e Exceção Spring JavaEE @Transactional(...) @TransactionAttribute(...) @Repository @Stateless public class ContatoDAO { public class ContatoDAO { @PersistenceContext @PersistenceContext private EntityManager manager; private EntityManager manager; <bean id=”xxxTransactionManager” ejb-jar.xml .../> QCONSP #3 ROUND #3
- 25. Transação e Exceção QCONSP #3 ROUND #3
- 26. Transação e Exceção Spring JavaEE @Transaction(rollbackFor= @ApplicationException(rollback=true) DaoException.class) public class DaoException public class ContatoController{ extends Exception{} •HandlerExceptionResolver •<error-page> •AOP Proxies •filtros ou interceptadores QCONSP #3 ROUND #3
- 27. QCONSP #3 ROUND #4
- 28. Web-Peso leve QCONSP #3 ROUND #4
- 29. Web-Peso leve @Controller Spring @Named JavaEE @Transactional @RequestScoped public class ContatoController { public class ContatoMB { @Autowired private Contato contato; private ContatoDAO dao; private List<Contato> contatos; @RequestMapping("/adicionar") @Inject public ModelAndView adicionar(Contato c){ private ContatoDAO dao; dao.salva(c); ModelAndView mv = new ModelAndView("ok"); public void salvar(){ mv.addObject("contatos", dao.lista); dao.salva(contato); return mav; zeraForm(); } } QCONSP #3 ROUND #4
- 30. Web-Peso pesado QCONSP #3 ROUND #4
- 31. Web-Peso pesado Spring JavaEE public class EncodingPostProcessor public class UtilMB { implements BeanPostProcessor { public String reset() { public Object postProcessBeforeInitialzation FacesContext context = (Object bean, String name) FacesContext.getCurrentInstance(); throws BeansException Application application = {if(bean instanceof context.getApplication(); AnnotationMethodHandlerAdapter) { ViewHandler viewHandler = application.getViewHandler(); HttpMessageConverter<?>[] convs = UIViewRoot viewRoot = ((AnnotationMethodHandlerAdapter) viewHandler.createView(context, bean).getMessageConverters(); context.getViewRoot().getViewId()); context.setViewRoot(viewRoot); for (HttpMessageConverter<?> conv : convs) { return "success"; } if(conv instanceof } StringHttpMessageConverter) { ((StringHttpMessageConverter) conv) .setSupportedMediaTypes(Arrays .asList(new MediaType("text", " Charset.forName("UTF-) } QCONSP #3 ROUND #4
- 32. Web Action-based vs. Component-based QCONSP #3 ROUND #4
- 33. Web-Service - SOAP QCONSP #3 ROUND #5
- 34. Web-Service - SOAP Spring JavaEE @WebService @WebService public class ContatosWS extends public class ContatosWS{ SpringBeanAutowiringSupport{ @Inject @Autowired ContatoDAO dao; private ContatoDAO dao; public List<Contato> listaDeContatos(){ public List<Contato> listaDeContatos() { return dao.lista(); if(dao==null{ } processInjectionBasedOnCurrentContext(this); } } ...; } } QCONSP #3 ROUND #5
- 35. Web-Service - REST QCONSP #3 ROUND #5
- 36. Web-Service - REST @Controller Spring @Path("/") JavaEE public class ContatoResource { public class ContatoResource { @Autowired @Inject private ContatoDAO dao; private ContatoDAO dao; @RequestMapping( @GET value = "/contatos/{id}", @Path("/contatos/{id}") produces={"application/json"}, @Produces({"application/json"}) method=RequestMethod.GET) public Contato load(@PathParam("id") @ResponseBody Long id){ public Contato load(@PathVariable("id") return dao.busca(id); Long id) { } return dao.busca(id); } } } QCONSP #3 ROUND #5
- 37. Mensageria QCONSP #3 ROUND #6
- 38. Mensageria JavaEE - JMS InitialContext ic = new InitialContext(); ConnectionFactory cf = (ConnectionFactory)ic.lookup("Factory"); Connection con = cf.createConnection(..); Session session = con.createSession(false,AUTO_ACKNOWLEDGE); TextMessage msg = session.createTextMessage("oi jms"); Queue queue = (Queue)ic.lookup("jms/queue/loja"); QueueSender sender = session.createSender(queue); sender.send(textMessage); con.close(); QCONSP #3 ROUND #6
- 39. Mensageria JavaEE - JMS InitialContext ic = new InitialContext(); ConnectionFactory cf = (ConnectionFactory)ic.lookup("Factory"); Connection con = cf.createConnection(..); Session session = con.createSession(false,AUTO_ACKNOWLEDGE); TextMessage msg = session.createTextMessage("oi jms"); Queue queue = (Queue)ic.lookup("jms/queue/loja"); QueueSender sender = session.createSender(queue); sender.send(textMessage); con.close(); QCONSP #3 ROUND #6
- 40. Mensageria Spring - JMSTemplate @Autowired JmsTemplate template; @Autowired Queue queue; public void enviaMensagem() { this.template.send(queue, new MessageCreator() { public Message createMessage(Session s) throws JMSException { return session.createTextMessage("oi jms"); } }); } QCONSP #3 ROUND #6
- 41. Mensageria Spring - JMSTemplate @Autowired JmsTemplate template; @Autowired Queue queue; public void enviaMensagem() { this.template.send(queue, new MessageCreator() { public Message createMessage(Session s) throws JMSException { return session.createTextMessage("oi jms"); } }); } QCONSP #3 ROUND #6
- 42. Mensageria QCONSP #3 ROUND #6
- 43. Mensageria Spring Integration QCONSP #3 ROUND #6
- 44. Segurança QCONSP #3 ROUND #7
- 45. Segurança JavaEE - JAAS <security-constraint> @RolesAllowed({"cliente"}) <web-resource-collection> public void salva(Contato contato){ <url-pattern>/adiciona.jsf</url-pattern> //... </web-resource-collection> } <auth-constraint> <role-name>*</role-name> @PermitAll, @DenyAll ... </auth-constraint> </security-constraint> <login-config> <auth-method>FORM</auth-method>v <form-login-config> <form-login-page>/login.jsf </form-login-page> </form-login-config> </login-config> <security-role> <role-name>*</role-name> </security-role> QCONSP #3 ROUND #7
- 46. Segurança JavaEE - JAAS <security-constraint> @RolesAllowed({"cliente"}) <web-resource-collection> public void salva(Contato contato){ <url-pattern>/adiciona.jsf</url-pattern> //... </web-resource-collection> } <auth-constraint> <role-name>*</role-name> @PermitAll, @DenyAll ... </auth-constraint> </security-constraint> <login-config> <auth-method>FORM</auth-method>v <form-login-config> <form-login-page>/login.jsf </form-login-page> </form-login-config> </login-config> <security-role> <role-name>*</role-name> </security-role> QCONSP #3 ROUND #7
- 47. Segurança QCONSP #3 ROUND #7
- 48. Segurança Spring Security <sec:authentication-manager> @Secured({"cliente"}) <sec:authentication-provider public void salva(Contato contato){ user-service-ref="userDAO" /> //... </sec:authentication-manager> } <sec:http auto-config="true"> <sec:intercept-url <sec:authorize access="hasRole('cliente')"> pattern="/contatos.spring" um jsp restrito access="ROLE_USER" /> </sec:authorize> <sec:form-login login-page="/login-form.spring" default-target-url="/contatos.spring" login-processing-url="/login" /> <sec:logout logout-url="/logout" logout-success-url="/login-form.spring"/> </sec:http> QCONSP #3 ROUND #7
- 49. Infra-Spring QCONSP #3 ROUND #8
- 50. Infra-Spring QCONSP #3 ROUND #8
- 51. QCONSP #3 ROUND #8
- 52. Infra-JavaEE QCONSP #3 ROUND #8
- 53. Infra-JavaEE QCONSP #3 ROUND #8
- 54. Infra-Cloud QCONSP #3 ROUND #8
- 55. Extras “We will create new projects where no good solution exists.” SpringSource QCONSP #3 ROUND #9
- 56. Extras QCONSP #3 ROUND #9
- 57. Extras QCONSP #3 ROUND #9
- 58. Extras QCONSP #3 ROUND #9
- 59. Especifição vs Implementação QCONSP #3 ROUND #10
- 60. Especifição vs Implementação QCONSP #3 ROUND #10
- 61. Especifição vs Implementação QCONSP #3 ROUND #10
- 62. Especifição vs Implementação “Standards are for standardizing, and not innovating.” Ed Burns (Líder JSF-Spec ) QCONSP #3 ROUND #10
- 63. Especifição vs Implementação QCONSP #3 ROUND #10
- 64. Especifição vs Implementação "Stick to the standard when you can, leave the standards when you need." Antonio Goncalves (JCP Expert Member) QCONSP #3 ROUND #10
- 65. QCONSP #3 SCORE
- 66. QCONSP #3 SCORE
- 67. QCONSP #3 SCORE
- 68. QCONSP #3 OBRIGADO!
- 69. PERGUNTAS? QCONSP #3 OBRIGADO!
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