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Commit 46330d5

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Spring MVC HandlerMapping
La interface HandlerMapping es la encargada de mapear una URL a su respectivo controlador.
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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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<org-netbeans-modules-projectapi.jsf_2e_language>JSP</org-netbeans-modules-projectapi.jsf_2e_language>
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</properties>
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</project-shared-configuration>

‎tutorial_webmvc_HandlerMapping/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_HandlerMapping</artifactId>
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<packaging>war</packaging>
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<version>1.0</version>
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<name>tutorial_webmvc_HandlerMapping</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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<!-- Spring Web MVC -->
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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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<!-- Java Servlet y JSP -->
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>jstl</artifactId>
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<version>1.2</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>tutorial_webmvc_HandlerMapping</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;
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import carmelo.spring.controller.HomeController;
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import java.util.Properties;
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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.HandlerMapping;
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import org.springframework.web.servlet.config.annotation.EnableWebMvc;
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import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping;
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import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
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import org.springframework.web.servlet.view.InternalResourceViewResolver;
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@Configuration
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@EnableWebMvc
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@ComponentScan(basePackages = {"carmelo.spring.controller"})
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public class WebAppConfig {
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@Bean
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public InternalResourceViewResolver viewResolver() {
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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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@Bean
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public HandlerMapping handlerMapping() {
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Properties urlMaps = new Properties();
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urlMaps.put("/index.html", "homeController");
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SimpleUrlHandlerMapping handler = new SimpleUrlHandlerMapping();
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handler.setMappings(urlMaps);
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return handler;
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}
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@Bean
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public HomeController homeController() {
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return new HomeController();
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}
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}
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package carmelo.spring;
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import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
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public class WebAppInitializer 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[]{WebAppConfig.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 javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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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.servlet.ModelAndView;
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import org.springframework.web.servlet.mvc.AbstractController;
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public class HomeController extends AbstractController {
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@Override
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protected ModelAndView handleRequestInternal(
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HttpServletRequest request,
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HttpServletResponse response) throws Exception {
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return new ModelAndView("home");
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<Context antiJARLocking="true" path="/webapp"/>
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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>HandlerMapping</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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</head>
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<body>
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<h1>Spring MVC :: HandlerMapping</h1>
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<p>Tutoriales Spring MVC by Tutor de Programacion.</p>
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<p>Estudiando el componente <strong>HandlerMapping</strong>.</p>
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</body>
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</html>

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