Palestra sobre desenvolvimento web Java, realizada no QCon SP 2010.

1. Da água ao vinho o caminho do desenvolvimento web Bruno Pereira

3. 7 anos de experiência com Java

4. 8 anos de experiência com web

5. Um dos pioneiros em REST no Brasil

6. BP do Bem

13. Escalabilidade

14. Clean Code

15. Testing

16. Action-based x Component-based

17. Powered by Java 5

18. @ Resource public class ProcessoController { private ProcessoDAO dao; private Result result; public ProcessoController(ProcessoDAO dao, Result result) { this.dao = dao; this.result = result; } @ Get @ Path (&quot; /processo/index &quot;) public List<Processo> index() { return dao.buscarTodos(); } }

19. @ Post @ Path (&quot; /processo &quot;) public void cadastro(Processo processo) { dao.salvar(processo); result.use(Results. json() ). from (processo) . serialize (); } @ Get @ Path (&quot; /processo/{processo.id} &quot;) public void buscar(Processo processo) { processo = dao.buscar(processo.getId()); if (processo != null) { result.use(Results. xml() ). from (processo) . serialize (); } else { result.use( Status .class). notFound (); } }

20. MockResult result = new MockResult(); ClienteController controller = new ClienteController(..., result); controller. list (); List<Client> clients = result. included (&quot;clients&quot;); //cast automático Assert.assertNotNull(clients);

21. /articles/archive? date =08/01/08& page =2 public static void archive(Date date , Integer page ){ List<Article> articles = Articles.fromArchive( date , page ); render(articles); } public static void show (Long id) { Article article = Article.findById(id); render(article); } public static void edit (Long id, String title) { Article article = Article.findById(id); article.title = title; article.save(); show (id); // redirect to show }

22. // Templates Article article = Article.findById(id); User user = User.getConnected(); render( article , user ); // JPA public void messages(int page) { User connectedUser = User.find(&quot;byEmail&quot;, connected()); List<Message> messages = Message. find ( &quot;user = ? and read = false order by date desc&quot;, connectedUser). from (page * 10). fetch (10); render (connectedUser, messages); }

24. IoC + ampla

25. Criteria

26. JSR-311

27. Async Servlets

28. POJOs.

30. Selectors/ Traversing $('div #corpo div .destaque ') $(' /html/body//p ') $('p :eq(0) ') $('div :even ') $('div :has(p) ') $('span#description'). prev() $('div#disclaimer'). find('li')

31. Events/ Manipulation $('input:submit'). click(function() { $(this). attr ('disabled', 'disabled'); }); $('p'). mouseover(function() { $(this). css ('cursor', 'pointer'); });

32. Page Speed

33. YSlow

34. Java in the Enterprise

39. Contato twitter.com/blpsilva http://brunopereira.org [email_address]