Hands on Spring 2.5

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    Hands on Spring 2.5 - Presentation Transcript

    1. Hands-on Sergi Almar i Graupera (sergi.almar@javahispano.org)‏ Erick Camacho (ecamacho@javahispano.org)‏
    2. Contenido
      • Introducción a Spring
      • Spring en la capa de datos:
      • Spring JPA
      • Gestión de transacciones
      • Spring en la capa de servicios
      • Spring en la capa web:
      • SpringMVC
      • SpringSecurity
      Hands-on Spring 2.5
    3. Java JDK 5 o superior Eclipse 3.3 (Europa)‏ Herramientas Hands-on Spring 2.5
    4. Es un contenedor ligero de inversión de control (IOC). Contenedor de POJOs: BeanFactory y ApplicationContext IOC: Inyección de dependencias ¿Qué es Spring? Hands-on Spring 2.5 Hands-on Spring 2.5
    5. ¿Qué es Spring? II Diseño modular y extensible Hands-on Spring 2.5
    6. ¿Qué es Spring? III Integración con otras tecnologías. “ Spring should not compete with good existing solutions, but should foster integration”. (Spring no debe competir con soluciones buenas existentes, sino buscar la integración)‏ misión de Spring JDBC JPA Hibernate iBatis TopLink Quartz Struts JSF WebServices JTA LDAP Hands-on Spring 2.5
    7. El application Context: La piedra de toque < beans xmlns = &quot;http://www.springframework.org/schema/beans&quot; xmlns:xsi = &quot;http://www.w3.org/2001/XMLSchema-instance&quot; xsi:schemaLocation = &quot;http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd&quot; > < bean id = &quot;mibean&quot; class = &quot;com.mipaquete.MiClase&quot; /> </beans> Hands-on Spring 2.5
    8. Anotaciones - @Autowired @Qualifier - @Resource, @PostConstruct, @PostDestruct - @Configurable <context:load-time-weaver aspectj-weaving=&quot;on&quot;/> - Stereotypes @Component (@Controller, @Service, @Repository...)‏ - @Transactional Hands-on Spring 2.5
    9. Spring JPA Integración transparente Inyección del EntityManager gestionado por Spring Nuevo en 2.5: @Repository Hands-on Spring 2.5
    10. Spring Transacciones Capa de abstracción para uniformizar el uso de transacciones con muchas tecnologías como JTA, JXTA, JDBC, etc. Declarativa en el XML o mediante anotaciones Hands-on Spring 2.5
    11. Spring MVC: DispatcherServlet Hands-on Spring 2.5
    12. ApplicationContext Hands-on Spring 2.5
    13. Beans especiales - Controladores - HandlerMappings - View resolvers - LocaleResolver - ThemeResolver - MultipartFileResolver Hands-on Spring 2.5
    14. Jerarquia controladores Hands-on Spring 2.5
    15. public class UsuarioController extends MultiActionController { public ModelAndView listar(HttpServletRequest req, HttpServletResponse res) {...} public ModelAndView buscar(HttpServletRequest req, HttpServletResponse res) {...} public ModelAndView mostrar(HttpServletRequest req, HttpServletResponse res) {...} } Ejemplo Spring 2.0 Hands-on Spring 2.5
    16. Spring MVC 2.5 simplifica la programación de Controladores - Anotaciones - Convention-over-configuration Spring MVC 2.5 Hands-on Spring 2.5
    17. - Nuevo model de controlador “multi-action” basado en POJO - Ya no es necesario extender de clases específicas del framework - Mapear URLs a métodos usando anotaciones @Controller Hands-on Spring 2.5
    18. @Controller public class UsuarioController { @RequestMapping public void listar() {...} @RequestMapping public void buscar(SearchCriteria criteria, BindingResult result) {...} @RequestMapping public void mostrar(@RequestParam(&quot;id&quot;) Long id) {...} } Ejemplo @Controller Hands-on Spring 2.5
    19. @RequestMapping - Mapea las peticiones - Diferentes estratégias para mapear - Simple - Relativo al nombre del controlador - Externalizado - Basado en convención (recomendado)‏ - Hands-on Spring 2.5
    20. @RequestMapping - Simple @Controller public class UsuarioController { @RequestMapping( “/usuario/listar” )‏ public void listar() {...} @RequestMapping( “/usuario/buscar” )‏ public void buscar(SearchCriteria criteria, BindingResult result) {...} @RequestMapping( “/usuario/mostrar” )‏ public void mostrar(@RequestParam(&quot;id&quot;) Long id) {...} } Hands-on Spring 2.5
    21. @RequestMapping – Relativo controlador @Controller @RequestMapping( “/usuario/*” )‏ public class UsuarioController { @RequestMapping public void listar() {...} @RequestMapping public void buscar(SearchCriteria criteria, BindingResult result) {...} @RequestMapping public void mostrar(@RequestParam(&quot;id&quot;) Long id) {...} } Hands-on Spring 2.5
    22. @RequestMapping – Externalizado @Controller public class UsuarioController { @RequestMapping public void listar() {...} @RequestMapping public void buscar(SearchCriteria criteria, BindingResult result) {...} @RequestMapping public void mostrar(@RequestParam(&quot;id&quot;) Long id) {...} } <bean class=“...SimpleUrlHandlerMapping”> <property name=&quot;mappings&quot;> <value> /usuario/*=usuarioController </value> </property> </bean> Hands-on Spring 2.5
    23. @RequestMapping – Convención <bean class =“...ControllerClassNameUrlHandlerMapping” /> @Controller public class UsuarioController { @RequestMapping public void listar() {...} @RequestMapping public void buscar(SearchCriteria criteria, BindingResult result) {...} @RequestMapping public void mostrar(@RequestParam(&quot;id&quot;) Long id) {...} } Hands-on Spring 2.5
    24. Binding -Simple @RequestMapping public void mostrar( @RequestParam ( &quot;id&quot; ) Long id) {...} Hands-on Spring 2.5
    25. @RequestMapping public void foo(HttpServletRequest req, ...) {...} @RequestMapping public void foo(HttpServletResponse res, ...) {...} @RequestMapping public void foo(HttpSession session, ...) {...} @RequestMapping public void foo(Locale locale, ...) {...} @RequestMapping public void foo(Principal principal, ...) {...} Parámetros especiales Hands-on Spring 2.5
    26. Seleccionar vistas Dos técnicas: - Por convención @Controller public class UsuarioController { @RequestMapping public void listar() {...} } - Nombre de vista en String @Controller public class UsuarioController { @RequestMapping public String listar() { return “/usuario/listar” ; } } Hands-on Spring 2.5
    27. Exponer objectos del modelo Dos técnicas: - Devolver un único objecto (no String; recomendado para casos simples)‏ - Declarar un Modelo y añadir parámetros (más flexible) Hands-on Spring 2.5
    28. @RequestMapping public List<Usuario> buscar(SearchCriteria criteria) {...} - El parámetro se expone en usuarioList - @RequestMapping public @ModelAttribute( “usuarios” ) List<Usuario> buscar(SearchCriteria criteria) {...} Devolver un Objeto Hands-on Spring 2.5
    29. @RequestMapping public void buscar(SearchCriteria criteria, Model model) { List<Usuario> usuarios = usuarioServicice.getUsuarios(criteria); model.addObject(“usuarios”, usuarios); } Añadir al modelo Hands-on Spring 2.5
    30. Exportar @Controllers Dos técnicas: - Definición del bean explícito <bean class = “...SimpleUrlHandlerMapping” > <property name=&quot;mappings&quot;> <value> /usuario/*=usuarioController </value> </property> </bean> <bean id =“ usuarioController ” class = “...UsuarioController” /> - Classpath scanning <context:annotation-config /> <context:component-scan base-package = ”com.mycompany.app” /> Hands-on Spring 2.5
    31. Form • JA-SIG CAS • Basic • JOSSO • JDBC • SiteMinder • LDAP • Atlassian Crowd • NTLM • OpenID • Containers • X.509 • JAAS • Digest Métodos de autenticación Hands-on Spring 2.5
    32. GRACIAS!! Hands-on Spring 2.5

    + Erick CamachoErick Camacho, 2 years ago

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