aplicações html5 com java ee 7 e netbeans

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Códigos usados na demonstração aqui: https://github.com/glassfish/javaee7-examples

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Copyright © 2012, Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 132

Aplicações HTML5 com Java EE 7 e NetBeans

Bruno BorgesOracle Product ManagerJava Evangelist@brunoborges

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Bruno Borges

Oracle Product Manager / Evangelist

Desenvolvedor, Gamer

Entusiasta em Java Embedded e JavaFX

Twitter: @brunoborges

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Agenda

Do Java EE 6 ao Java EE 7

Construindo aplicações HTML5– WebSockets 1.0

– JAX-RS 2.0

– JavaServer Faces 2.2

– JSON API 1.0

NetBeans e o suporte ao HTML5

Comunidade, Participação, Futuro

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Plataforma Java EE 610 Dezembro, 2009

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Java EE 6 – Estatísticas

● 50+ Milhões de Downloads de Componentes Java EE 6● #1 Escolha para Desenvolvedores Enterprise● #1 Plataforma de Desenvolvimento de Aplicações● Implementação mais Rápida de uma versão do Java EE

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Top Ten Features no Java EE 6

1. Empacotar EJB dentro de um WAR2. Injeção de Dependência Type-safe3. Deployment descriptors opcionais (web.xml, faces-config.xml)

4. JSF padronizado com Facelets5. Uma única classe por EJB6. Extensões de Servlet e CDI7. CDI Events8. EJBContainer API9. Agendamento estilo Cron com @Schedule10. Web Profile

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Java EE 7está pronto!

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IntroducingJava EE 7 Live Webcast

http://bit.ly/javaee7launch

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Java EE 7 Escopo

● Produtividade de Desenvolvimento– Menos código Boilerplate

– Funcionalidades mais ricas

– Mais convenções e defaults● Suporte a HTML5

– WebSocket

– JSON

– HTML5 Forms

JSR 342

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Java EE 7

EJB 3.2

Servlet 3.1

CDIExtensio

ns

Batch 1.0

Web Fragment

s

JCA 1.7JMS 2.0JPA 2.1

Managed Beans 1.0

Concurrency 1.0Common

Annotations 1.1Interceptors1.2, JTA 1.2✔

CDI 1.1

JSF 2.2,JSP 2.3,EL 3.0

JAX-RS 2.0,JAX-WS 2.2 JSON 1.0

WebSocket 1.0

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Java EE 7 Web Profile

Web Profile updated to include– JAX-RS

– WebSocket

– JSON-P

– EJB 3.2 Lite

Outras APIs

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Construindo aplicações HTML5

WebSocket 1.0 JAX-RS 2.0 JavaServer Faces 2.2 JSON-P API

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HTTP vs WebSockets

Protocolo HTTP é half-duplex Gambiarras

– Polling

– Long polling

– Streaming

WebSocket resolve o problemade uma vez por todas

– Full-duplex

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WebSockets Handshake

Cliente solicita um UPGRADE Server confirma (Servlet 3.1) Cliente recebe o OK Inicia a sessão WebSocket

http://farata.github.io/slidedecks/state_of_websocket/slides.html#13.4

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Java API for WebSockets 1.0

API para definir WebSockets, tanto Client como Server– Annotation-driven (@ServerEndpoint)

– Interface-driven (Endpoint)

– Client (@ClientEndpoint)

SPI para data frames– Negociação handshake na abertura do WebSocket

Integração com o Java EE Web container

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Java API for WebSockets 1.0

import javax.websocket.*;import javax.websocket.server.*;

@ServerEndpoint(“/hello”)public class HelloBean {

    @OnMessage    public String sayHello(String name) {        return “Hello “ + name;    }}

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Java API for WebSockets 1.0

@ServerEndpoint(“/chat”)public class ChatBean {

    @OnOpen    public void onOpen(Session peer) {        peers.add(peer);    }

    @OnClose    public void onClose(Session peer) {        peers.remove(peer);    }

    @OnMessage    public void message(String msg, Session client) {        peers.forEach(p ­> p.getRemote().sendMessage(msg));    }}

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Maven Archetype para o Java EE 7

Maven Archetypes para Java EE 7– http://mojo.codehaus.org

Maven Archetype com o Embedded GlassFish configurado– http://github.com/glassfish/javaee7-archetype

Agora só precisa... – $ mvn package embedded-glassfish:run

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JAX-RS 2.0

Client API Message Filters & Entity Interceptors Asynchronous Processing – Server & Client Suporte Hypermedia Common Configuration

– Compartilhar configuração comum entre diversos serviços REST

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JAX-RS 2.0 - Client

// Get instance of ClientClient client = ClientFactory.getClient();

// Get customer name for the shipped productsString name = client.target(“http://.../orders/{orderId}/customer”)                    .resolveTemplate(“orderId”, “10”)                    .queryParam(“shipped”, “true)”                    .request()                    .get(String.class);

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JAX-RS 2.0 - Server

@Path("/async/longRunning")public class MyResource {

@GET public void longRunningOp(@Suspended AsyncResponse ar) { ar.setTimeoutHandler(new MyTimoutHandler()); ar.setTimeout(15, SECONDS); Executors.newSingleThreadExecutor().submit(new Runnable() { public void run() { ... ar.resume(result); }}); }}

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JavaServer Faces 2.2

Flow Faces HTML5 Friendly Markup Cross-site Request Forgery Protection Carregamento de Facelets via ResourceHandler Componente de File Upload Multi-templating

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JSON API 1.0

JsonParser– Processa JSON em modo “streaming”

– Similar ao XMLStreamReader do StaX

Como criar– Json.createParser(...)

– Json.createParserFactory().createParser(...)

Eventos do processador– START_ARRAY, END_ARRAY, START_OBJECT, END_OBJECT, ...

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JSON API 1.0

"phoneNumber": [ { "type": "home", "number": ”408-123-4567” }, { "type": ”work", "number": ”408-987-6543” }]

JsonGenerator jg = Json.createGenerator(...);jg. .beginArray("phoneNumber") .beginObject() .add("type", "home") .add("number", "408-123-4567") .endObject() .beginObject() .add("type", ”work") .add("number", "408-987-6543") .endObject() .endArray();jg.close();

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NetBeans e o suporte ao HTML5

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NetBeans 7.3

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HTML5 Wizard

Twitter Bootstrap HTML5 Boilerplate Initializr AngularJS Mobile Boilerplate

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Javascript Editor

Code Completion Contexto de Execução Debug com Chrome Browser log

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Instalando o Chrome Extension do NetBeans

Instalação Offline

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Implementação de Referência do Java EE

download.java.net/glassfish/4.0/promoted/

GlassFish 4.0

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Adopt a JSR

JUGs participando ativamente Promovendo as JSRs

– Para a comunidade Java

– Revendo specs

– Testando betas e códigos de exemplo

– Examplos, docs, bugs

– Blogging, palestrando, reuniões de JUG

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Adopt a JSRJUGs Participantes

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E o futuro Java EE 8?

Arquitetura Cloud Multi tenancy para aplicações

SaaS Entrega incremental de JSRs Modularidade baseada no Jigsaw

Java EE 8

PaaSEnablement

Multitenancy

NoSQL

JSON-B

ModularityCloud

Storage

Thin ServerArchitecture

Cloud Programming Model

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Participe hoje mesmo!

GlassFish 4.0 Java EE 7 RI – http://www.glassfish.org Java EE Expert Group – http://javaee-spec.java.net Adopt a JSR – http://glassfish.org/adoptajsr The Aquarium (GF Blog) – http://blogs.oracle.com/theaquarium NetBeans e Java EE 7 – http://wiki.netbeans.org/JavaEE7 Java EE 7 HOL – http://www.glassfish.org/hol

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Perguntas?

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OBRIGADO!@brunoborgesblogs.oracle.com/brunoborges

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The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract.It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.

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