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Commit ca6bbe1

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Spring MVC ThemeResolver
Aplicar y cambiar el tema (estilo y diseño) de una aplicación 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_theme/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_theme</artifactId>
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<packaging>war</packaging>
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<version>1.0</version>
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<name>tutorial_webmvc_theme</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.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_theme</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.ui.context.support.ResourceBundleThemeSource;
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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.ResourceHandlerRegistry;
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import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
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import org.springframework.web.servlet.theme.CookieThemeResolver;
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import org.springframework.web.servlet.theme.ThemeChangeInterceptor;
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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 {
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@Bean
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public ResourceBundleThemeSource themeSource() {
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ResourceBundleThemeSource themeSource = new ResourceBundleThemeSource();
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themeSource.setBasenamePrefix("themes.tema-");
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return themeSource;
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}
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@Bean
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public CookieThemeResolver themeResolver() {
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CookieThemeResolver resolver = new CookieThemeResolver();
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resolver.setDefaultThemeName("oscuro");
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resolver.setCookieName("cookie-theme");
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return resolver;
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}
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@Bean
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public ThemeChangeInterceptor themeChangeInterceptor() {
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ThemeChangeInterceptor interceptor = new ThemeChangeInterceptor();
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interceptor.setParamName("mytheme");
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return interceptor;
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}
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@Override
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public void addResourceHandlers(ResourceHandlerRegistry registry) {
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registry.addResourceHandler("/css/**").addResourceLocations("/css/");
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}
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@Override
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public void addInterceptors(InterceptorRegistry registry) {
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registry.addInterceptor(themeChangeInterceptor());
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}
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@Override
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public void configureViewResolvers(ViewResolverRegistry registry) {
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registry.jsp("/WEB-INF/views/", ".jsp");
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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 org.springframework.stereotype.Controller;
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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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public class ThemeController {
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@RequestMapping("/")
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public ModelAndView homePage() {
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return new ModelAndView("home");
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}
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}
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stylesheet=css/claro.css
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name=THEME-CLARO
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stylesheet=css/oscuro.css
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name=THEME-OSCURO
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<?xml version="1.0" encoding="UTF-8"?>
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<Context antiJARLocking="true" path="/springtheme"/>
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<%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%>
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<html>
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<head>
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<link rel="stylesheet" href="<spring:theme code='stylesheet'/>" type="text/css" />
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<title>Spring MVC ThemeResolver</title>
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</head>
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<body>
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<h1>Spring MVC ThemeResolver</h1>
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<h3>Tema actual: <spring:theme code='name'/> </h3>
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aplicar tema: <a href="?mytheme=claro">claro</a> | <a href="?mytheme=oscuro">oscuro</a>
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</body>
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</html>
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body {
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color: darkslategray;
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background-color: whitesmoke;
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}

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