linhvovn

## db-i18n database.sql
create table IF NOT EXISTS languages (
	id integer auto_increment,
	locale varchar(2),
	messagekey varchar(255),
	messagecontent varchar(255),
	primary key (id)
);

## db-i18n pom.xml
...
<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.1.1.RELEASE</version>
    <relativePath/>
</parent>

<dependencies>
    <dependency>

## spring-webflux-i18n WelcomeRouter
@Configuration
public class WelcomeRouter {

	@Bean
	public RouterFunction<ServerResponse> route(WelcomeHandler welcomeHandler) {

		return RouterFunctions
			.route(RequestPredicates.GET("/index")
                                .and(RequestPredicates.accept(MediaType.TEXT_HTML)), welcomeHandler::hello)
			.andRoute(RequestPredicates.GET("/welcome")

## spring-webflux-i18n WelcomeHandler
@Component
public class WelcomeHandler {

    public Mono<ServerResponse> hello(ServerRequest request) {
        return ServerResponse
                .ok()
                .contentType(MediaType.TEXT_HTML)
                .render("index");
    }


## spring-webflux-i18n welcome.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>I18N Spring Webflux</title>
  </head>
  <body>
    <h2 data-th-text="#{label.welcome}"></h2>
    <p data-th-text="#{label.content}"></p>
    <p data-th-text="#{label.changeLang}"></p>

## spring-webflux-i18n LocaleSupportConfig
@Configuration
public class LocaleSupportConfig extends DelegatingWebFluxConfiguration {

    @Override
    protected LocaleContextResolver createLocaleContextResolver() {
        return new RequestParamLocaleContextResolver();
    }

}

## spring-webflux-i18n RequestParamLocaleContextResolver
public class RequestParamLocaleContextResolver implements LocaleContextResolver{

    @Override
    public LocaleContext resolveLocaleContext(ServerWebExchange exchange) {
        Locale targetLocale = Locale.getDefault();
        List<String> referLang = exchange.getRequest().getQueryParams().get("lang");
        if (referLang != null && !referLang.isEmpty()) {
            String lang = referLang.get(0);
            targetLocale = Locale.forLanguageTag(lang);
        }

## spring-webflux-i18n MessageSource
 @Bean
public MessageSource messageSource() {
    ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
    messageSource.setBasenames("languages/messages");
    messageSource.setDefaultEncoding("UTF-8");
    return messageSource;
}

## spring-webflux-i18n message.properties
label.welcome = Welcome
label.content = This is sample project for Internalization and Localization in Webflux
label.changeLang = Supported languages

label.lang.en = English
label.lang.fr = French
label.lang.cn = Chinese
label.lang.de = German

## spring-webflux-i18n I18NWebfluxApplication
@SpringBootApplication
public class I18NWebfluxApplication {
    public static void main(String[] args) {
        SpringApplication.run(I18NWebfluxApplication.class, args);
    }
}
	create table IF NOT EXISTS languages (
	id integer auto_increment,
	locale varchar(2),
	messagekey varchar(255),
	messagecontent varchar(255),
	primary key (id)
	);
	...
	<parent>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-parent</artifactId>
	<version>2.1.1.RELEASE</version>
	<relativePath/>
	</parent>

	<dependencies>
	<dependency>
	@Configuration
	public class WelcomeRouter {

	@Bean
	public RouterFunction<ServerResponse> route(WelcomeHandler welcomeHandler) {

	return RouterFunctions
	.route(RequestPredicates.GET("/index")
	.and(RequestPredicates.accept(MediaType.TEXT_HTML)), welcomeHandler::hello)
	.andRoute(RequestPredicates.GET("/welcome")
	@Component
	public class WelcomeHandler {

	public Mono<ServerResponse> hello(ServerRequest request) {
	return ServerResponse
	.ok()
	.contentType(MediaType.TEXT_HTML)
	.render("index");
	}
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>I18N Spring Webflux</title>
	</head>
	<body>
	<h2 data-th-text="#{label.welcome}"></h2>
	<p data-th-text="#{label.content}"></p>
	<p data-th-text="#{label.changeLang}"></p>
	@Configuration
	public class LocaleSupportConfig extends DelegatingWebFluxConfiguration {

	@Override
	protected LocaleContextResolver createLocaleContextResolver() {
	return new RequestParamLocaleContextResolver();
	}

	}
	public class RequestParamLocaleContextResolver implements LocaleContextResolver{

	@Override
	public LocaleContext resolveLocaleContext(ServerWebExchange exchange) {
	Locale targetLocale = Locale.getDefault();
	List<String> referLang = exchange.getRequest().getQueryParams().get("lang");
	if (referLang != null && !referLang.isEmpty()) {
	String lang = referLang.get(0);
	targetLocale = Locale.forLanguageTag(lang);
	}
	@Bean
	public MessageSource messageSource() {
	ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
	messageSource.setBasenames("languages/messages");
	messageSource.setDefaultEncoding("UTF-8");
	return messageSource;
	}
	label.welcome = Welcome
	label.content = This is sample project for Internalization and Localization in Webflux
	label.changeLang = Supported languages

	label.lang.en = English
	label.lang.fr = French
	label.lang.cn = Chinese
	label.lang.de = German
	@SpringBootApplication
	public class I18NWebfluxApplication {
	public static void main(String[] args) {
	SpringApplication.run(I18NWebfluxApplication.class, args);
	}
	}