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Commit e175905

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Spring MVC - Thymeleaf i18n
Soporte para varios idiomas en una aplicacion web.
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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_thymeleaf_i18n/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_thymeleaf_i18n</artifactId>
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<packaging>war</packaging>
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<version>1.0</version>
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<name>tutorial_webmvc_thymeleaf_i18n</name>
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<properties>
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<spring.version>4.3.7.RELEASE</spring.version>
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<thymeleaf.version>3.0.3.RELEASE</thymeleaf.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>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.thymeleaf</groupId>
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<artifactId>thymeleaf-spring4</artifactId>
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<version>${thymeleaf.version}</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-validator</artifactId>
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<version>5.3.4.Final</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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</dependency>
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</dependencies>
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<build>
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<finalName>tutorial_webmvc_thymeleaf_i18n</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.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.context.MessageSource;
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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.context.support.ResourceBundleMessageSource;
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import org.springframework.web.servlet.LocaleResolver;
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import org.springframework.web.servlet.config.annotation.EnableWebMvc;
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import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
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import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
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import org.springframework.web.servlet.i18n.SessionLocaleResolver;
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import org.thymeleaf.spring4.SpringTemplateEngine;
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import org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver;
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import org.thymeleaf.spring4.view.ThymeleafViewResolver;
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@EnableWebMvc
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@Configuration
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@ComponentScan(basePackages = {"carmelo.spring.controller"})
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public class WebAppConfig extends WebMvcConfigurerAdapter implements ApplicationContextAware {
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private ApplicationContext applicationContext;
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@Override
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public void setApplicationContext(ApplicationContext ac) throws BeansException {
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this.applicationContext = ac;
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}
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@Bean
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public MessageSource messageSource() {
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ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
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messageSource.setBasename("messages");
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return messageSource;
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}
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@Bean
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public LocaleResolver localeResolver() {
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return new SessionLocaleResolver();
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}
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@Bean
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public LocaleChangeInterceptor localeChangeInterceptor() {
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LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
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localeChangeInterceptor.setParamName("lang");
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return localeChangeInterceptor;
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}
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@Override
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public void addInterceptors(InterceptorRegistry registry) {
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registry.addInterceptor(localeChangeInterceptor());
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}
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@Bean
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public SpringResourceTemplateResolver templateResolver() {
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SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
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templateResolver.setApplicationContext(this.applicationContext);
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templateResolver.setPrefix("/WEB-INF/templates/");
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templateResolver.setSuffix(".html");
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return templateResolver;
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}
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@Bean
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public SpringTemplateEngine templateEngine() {
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SpringTemplateEngine templateEngine = new SpringTemplateEngine();
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templateEngine.setTemplateResolver(templateResolver());
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templateEngine.setEnableSpringELCompiler(true);
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return templateEngine;
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}
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@Bean
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public ThymeleafViewResolver viewResolver() {
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ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
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viewResolver.setTemplateEngine(templateEngine());
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return viewResolver;
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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 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 carmelo.spring.model.Usuario;
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import javax.validation.Valid;
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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.validation.BindingResult;
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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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@Controller
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@RequestMapping("/user")
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public class UsuarioController {
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@RequestMapping("/form")
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public String showUserForm(Model model){
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model.addAttribute("usuario", new Usuario());
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return "userForm";
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}
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@RequestMapping("/create")
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public ModelAndView createUser(@Valid Usuario user, BindingResult result) {
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ModelAndView model = new ModelAndView();
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model.addObject("usuario", user);
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model.setViewName(result.hasErrors() ? "userForm" : "userReady");
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return model;
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}
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}
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package carmelo.spring.model;
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import javax.validation.constraints.Min;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Pattern;
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import javax.validation.constraints.Size;
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import org.hibernate.validator.constraints.Email;
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import org.hibernate.validator.constraints.NotBlank;
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public class Usuario {
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@Size(min = 3, max = 20, message = "el nombre debe tener mas de 3 letras y menos de 20.")
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private String nombre;
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@NotBlank(message = "debe indicar el apellido del usuario.")
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private String apellido;
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@Email
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@NotBlank
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private String correo;
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@Pattern(regexp = "^[a-zA-Z]\\w{3,14}$", message = "debe contener letras seguidos de numeros")
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private String password;
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@Min(value = 18, message = "el usuario debe tener 18+")
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@NotNull
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private Integer edad;
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@NotNull
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private Boolean sexo;
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public String getNombre() {
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return nombre;
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}
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public void setNombre(String nombre) {
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this.nombre = nombre;
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}
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public String getApellido() {
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return apellido;
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}
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public void setApellido(String apellido) {
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this.apellido = apellido;
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}
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public String getCorreo() {
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return correo;
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}
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public void setCorreo(String correo) {
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this.correo = correo;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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public Integer getEdad() {
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return edad;
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}
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public void setEdad(Integer edad) {
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this.edad = edad;
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}
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public Boolean getSexo() {
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return sexo;
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}
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public void setSexo(Boolean sexo) {
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this.sexo = sexo;
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}
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}
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form.user.nombre=User name
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form.user.apellido=Last name
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form.user.correo=Email
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form.user.edad=User age
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form.user.sexo=Gender
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form.user.pass=Password
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form.user.boton=Send...
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form.user.nombre=Nombre del usuario
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form.user.apellido=Apellido materno y paterno
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form.user.correo=Correo electronico
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form.user.edad=Edad del usuario
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form.user.sexo=Eres hombre
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form.user.pass=Tu contrase\u00f1a
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form.user.boton=Enviar...
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<?xml version="1.0" encoding="UTF-8"?>
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<Context antiJARLocking="true" path="/thymeleaf"/>
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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Tutorial Thymeleaf</title>
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<meta charset="UTF-8">
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<style type="text/css">
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.errorfield {
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color: #ae1d1d;
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font-style: italic;
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font-weight: bold;
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border: 1px solid #ff0000;
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}
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.errorblock{
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color: #000;
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background-color: #ffEEEE;
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border: 1px solid #ff0000;
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padding: 8px;
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margin: 16px;
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font-style: italic;
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}
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</style>
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</head>
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<body>
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<h2>Registro de usuarios:</h2>
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<div style="padding: 10px; border: 1px solid gray;">
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<a href="?lang=es">Spanish</a>
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<a href="?lang=en">English</a>
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</div>
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<form th:action="@{/user/create}" th:object="${usuario}" method="post">
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<div class="errorblock" th:if="${#fields.hasErrors('*')}">
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<ul>
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<li th:each="err : ${#fields.errors('*')}"
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th:text="${err}">Input is incorrect</li>
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</ul>
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</div>
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<fieldset>
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<legend>Datos del usuario</legend>
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<table>
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<tr>
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<td><label th:text="#{form.user.nombre}">Nombre: </label></td>
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<td><input type="text" th:field="*{nombre}" th:errorclass="errorfield"/></td>
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</tr>
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<tr>
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<td><label th:text="#{form.user.apellido}">Apellido: </label></td>
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<td><input type="text" th:field="*{apellido}" th:errorclass="errorfield"/></td>
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</tr>
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<tr>
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<td><label th:text="#{form.user.correo}">Correo: </label></td>
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<td><input type="text" th:field="*{correo}" th:errorclass="errorfield"/></td>
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</tr>
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<tr>
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<td><label th:text="#{form.user.pass}">Password: </label></td>
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<td><input type="password" th:field="*{password}" th:errorclass="errorfield"/></td>
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</tr>
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<tr>
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<td><label th:text="#{form.user.edad}">Edad: </label></td>
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<td><input type="number" th:field="*{edad}" th:errorclass="errorfield"/></td>
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</tr>
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<tr>
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<td><label th:text="#{form.user.sexo}">Sexo: </label></td>
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<td><input type="checkbox" th:field="*{sexo}"/></td>
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</tr>
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<tr>
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<td>
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<button type="submit" th:text="#{form.user.boton}"></button>
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</td>
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</tr>
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</table>
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</fieldset>
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</form>
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</body>
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</html>

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