From bb7502925103aac7cbb51f2b385dd4e1dcae9b41 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Wed, 25 Aug 2021 10:16:37 +0400
Subject: [PATCH] #9 -- dynamic change language

---
 .../ulstu/configuration/MvcConfiguration.java | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/main/java/ru/ulstu/configuration/MvcConfiguration.java b/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
index 9ad19be..9716493 100644
--- a/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
+++ b/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
@@ -6,10 +6,15 @@
 
 package ru.ulstu.configuration;
 
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.LocaleResolver;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.i18n.CookieLocaleResolver;
+import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
 
 @Configuration
 public class MvcConfiguration implements WebMvcConfigurer {
@@ -24,4 +29,21 @@ public class MvcConfiguration implements WebMvcConfigurer {
                 .addResourceHandler("/webjars/**")
                 .addResourceLocations("/webjars/");
     }
+
+    @Bean
+    public LocaleResolver localeResolver() {
+        return new CookieLocaleResolver();
+    }
+
+    @Bean
+    public LocaleChangeInterceptor localeInterceptor() {
+        LocaleChangeInterceptor localeInterceptor = new LocaleChangeInterceptor();
+        localeInterceptor.setParamName("lang");
+        return localeInterceptor;
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(localeInterceptor());
+    }
 }