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Commit d720fe9

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Spring MVC conociendo los controladores
Usando los controladores con las anotaciones @controller, @RequestMapping, @PathVariable, @RequestParam, @responsebody.
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<?xml version="1.0" encoding="UTF-8"?>
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<project-shared-configuration>
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<!--
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This file contains additional configuration written by modules in the NetBeans IDE.
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The configuration is intended to be shared among all the users of project and
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therefore it is assumed to be part of version control checkout.
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Without this configuration present, some functionality in the IDE may be limited or fail altogether.
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-->
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<spring-data xmlns="http://www.netbeans.org/ns/spring-data/1">
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<config-files>
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<config-file>src/main/webapp/WEB-INF/springmvc-servlet.xml</config-file>
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</config-files>
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<config-file-groups/>
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</spring-data>
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<properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
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<!--
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Properties that influence various parts of the IDE, especially code formatting and the like.
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You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
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That way multiple projects can share the same settings (useful for formatting rules for example).
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Any value defined here will override the pom.xml file value but is only applicable to the current project.
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-->
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<org-netbeans-modules-javascript2-requirejs.enabled>true</org-netbeans-modules-javascript2-requirejs.enabled>
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</properties>
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</project-shared-configuration>

‎tutorial_webmvc_controller/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>carmelo.spring</groupId>
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<artifactId>tutorial_webmvc_controller</artifactId>
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<packaging>war</packaging>
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<version>1.0</version>
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<name>tutorial_webmvc_controller</name>
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<properties>
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<spring.version>4.3.7.RELEASE</spring.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>javax</groupId>
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<artifactId>javaee-web-api</artifactId>
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<version>7.0</version>
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<type>jar</type>
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</dependency>
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</dependencies>
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<build>
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<finalName>tutorial_webmvc_controller</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>2.3</version>
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<configuration>
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<failOnMissingWebXml>false</failOnMissingWebXml>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package carmelo.spring.config;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.view.InternalResourceViewResolver;
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@Configuration
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@ComponentScan(basePackages = {"carmelo.spring.controller"})
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public class AppConfig {
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@Bean
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public InternalResourceViewResolver getInternalResourceViewResolver() {
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InternalResourceViewResolver resolver = new InternalResourceViewResolver();
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resolver.setPrefix("/WEB-INF/views/");
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resolver.setSuffix(".jsp");
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return resolver;
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}
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}
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package carmelo.spring.config;
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import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
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public class MyWebApplicationInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
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@Override
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protected Class<?>[] getRootConfigClasses() {
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return null;
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}
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@Override
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protected Class<?>[] getServletConfigClasses() {
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return new Class[]{AppConfig.class};
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}
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@Override
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protected String[] getServletMappings() {
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return new String[]{"/"};
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}
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}
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package carmelo.spring.controller;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.servlet.ModelAndView;
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@Controller
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@RequestMapping(value = "/")
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public class HelloController {
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@RequestMapping(value = "/fecha")
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@ResponseBody
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public String fecha() {
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return "Hoy es: " + LocalDate.now()
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.format(DateTimeFormatter.ISO_DATE);
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}
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@RequestMapping(value = "/hola")
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public ModelAndView hola() {
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ModelAndView mv = new ModelAndView();
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mv.addObject("titulo", "Tutoriales Spring MVC :: HelloController");
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mv.addObject("mensaje", "saludo desde el metodo: <br /> "
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+ "<code>public ModelAndView hola() {...}</code>");
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mv.setViewName("hello");
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return mv;
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}
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@RequestMapping(value = "/hello")
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public String hello(Model model) {
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model.addAttribute("titulo", "Tutoriales Spring MVC :: HelloController");
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model.addAttribute("mensaje", "saludo desde el metodo: <br /> "
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+ "<code>public String hello(Model) {...}</code>");
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return "hello";
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}
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}
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package carmelo.spring.controller;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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@Controller
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public class VentasController {
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@RequestMapping("/ventas")
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public String porVendedor(
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@RequestParam("nombre") String nombre,
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@RequestParam("mes") Integer mes,
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Model model) {
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model.addAttribute("vendedor", nombre);
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model.addAttribute("ventas", "Listado de ventas para el mes: " + mes);
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return "ventas";
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}
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@ResponseBody
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@RequestMapping("/vendedor/{id}")
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public String vendedor(@PathVariable("id") Long id) {
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return "Buscar vendor con ID = " + id;
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}
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@ResponseBody
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@RequestMapping("/depto/{dep}/vendedor/{id}")
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public String departamentoVendedor(
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@PathVariable("id") Long id,
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@PathVariable("dep") String dep) {
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String res = "Este es el departamento de: %s, y el vendedor ID: %d";
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return String.format(res, dep, id);
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}
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}
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<%@page contentType="text/html" pageEncoding="UTF-8"%>
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<!DOCTYPE html>
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<html>
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<head>
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<title>Spring Web MVC</title>
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</head>
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<body>
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<h1>${titulo}</h1>
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<p>${mensaje}</p>
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</body>
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</html>
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<%@page contentType="text/html" pageEncoding="UTF-8"%>
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Tutoriales Spring MVC</title>
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</head>
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<body>
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<h1>Estas son la ventas de: ${vendedor}</h1>
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<p>${ventas}<p>
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</body>
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</html>
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<html>
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<body>
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<h2>Hello World!</h2>
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</body>
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</html>

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