introdução ao javaserver faces
DESCRIPTION
Introdução ao JavaServer FacesTRANSCRIPT
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JSF: Introdução ao Java Server Faces
Willian Massami Watanabe
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Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
MVC - Model View Controller
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Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
![Page 4: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/4.jpg)
Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
• Servlet • Processa a requisição HTTP • Chama o model • Decide qual view será
renderizada
• JavaBeans ou POJO • Regra de negócios • Persistência dos dados
• JSP • Renderiza HTML
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![Page 6: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/6.jpg)
Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
• Servlet • Processa a requisição HTTP • Chama o model • Decide qual view será
renderizada
• JavaBeans ou POJO • Regra de negócios • Persistência dos dados
• JSP • Renderiza HTML
![Page 7: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/7.jpg)
Java Server Faces
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Java Server Faces• Framework Java para implementação de interfaces
web
• Implementação diferenciada do MVC
• Funcionalidades: validação, conversão, templating, entre outras
• Objetivo:
• facilitar o desenvolvimento de aplicações web
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Java Server Faces• Histórico
• Framework da camada de apresentação
• Criada pela JCP - Java Community Process
• Possui uma comunidade bastante ativa
• Atualmente na versão 2.0
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Exemplo 1
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• XHTML - eXtensible HyperText Markup Language!
• Quase idêntico ao HTML • Formatação estrita • Definido como um XML - eXtensible Markup Language • Namespaces
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• XHTML - eXtensible HyperText Markup Language!
• Quase idêntico ao HTML • Formatação estrita • Definido como um XML - eXtensible Markup Language • Namespaces
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http://localhost:8080/faces/teste/index.xhtml
Faces Servlet
web.xml
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http://localhost:8080/faces/teste/index.xhtml
Faces Servlet
web.xml
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http://localhost:8080/faces/teste/index.xhtml
Faces Servlet
web.xml
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http://localhost:8080/faces/teste/index.xhtml
Faces Servlet
web.xml
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Exemplo 1
• Importante lembrar
• Faces Servlet
• XHTML
• Namespaces
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Exemplo 2
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Exemplo 2
• Importante lembrar
• ManagedBeans
• SessionScope
• EL
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Exemplo 3
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Exemplo 3
• Importante lembrar
• Formulário vinculado ao ManagedBean
• Especificação de Beans
• Chamada ao método add
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Ciclo de vida
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Requisição HTTP
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Java Server Faces - MVC
![Page 54: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/54.jpg)
Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
• Servlet • Processa a requisição HTTP • Chama o model • Decide qual view será
renderizada
• JavaBeans ou POJO • Regra de negócios • Persistência dos dados
• JSP • Renderiza HTML
![Page 55: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/55.jpg)
Controller
ViewModel
Requisição HTTP
Consulta as regras de negócios
Envia resposta HTML, JSON,
XML
• Servlet • Processa a requisição HTTP • Chama o model • Decide qual view será
• JavaBeans ou POJO • Regra de negócios • Persistência dos dados
• JSP • Renderiza HTML
XHTML
![Page 56: Introdução ao JavaServer Faces](https://reader030.vdocuments.mx/reader030/viewer/2022012405/5481eeb2b07959420c8b4666/html5/thumbnails/56.jpg)
Implementações
• Oracle Mojarra
• Apache MyFaces
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O que mais?• @ManagedBeans e @Scopes
• Componentes de interface do JSF
• Validators e converters
• Navigation rules
• Facelets
• Ajax
• Extensões: PrimeFaces, IceFaces, RichFaces, etc.
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