blog: i18n

blog/i18n/src/main/java/com/example/i18n/config/I18nConfig.java

@@ -3,6 +3,7 @@ package com.example.i18n.config;
 import org.springframework.context.MessageSource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.context.support.ReloadableResourceBundleMessageSource;
 import org.springframework.web.servlet.LocaleResolver;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
@@ -19,9 +20,8 @@ public class I18nConfig implements WebMvcConfigurer {
     public LocaleResolver localeResolver() {
 
         CookieLocaleResolver resolver = new CookieLocaleResolver();
-        resolver.setDefaultLocale(Locale.ENGLISH);
+        resolver.setDefaultLocale(Locale.getDefault());
         resolver.setCookieName("lang");
-
         return resolver;
     }
 
@@ -37,6 +37,7 @@ public class I18nConfig implements WebMvcConfigurer {
         ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
         messageSource.setBasename("classpath:/i18n/messages");
         messageSource.setDefaultEncoding("UTF-8");
+        messageSource.setCacheSeconds(10 * 60);
         return messageSource;
     }
 

blog/i18n/src/main/resources/i18n/messages_en.properties

@@ -1,2 +1,2 @@
 language = english
-welcome = Hello
+welcome = Hello, {0}

blog/i18n/src/main/resources/i18n/messages_ko.properties

@@ -1,2 +1,2 @@
 language = 한글
-welcome = 안녕?
+welcome = 안녕? {0}

blog/i18n/src/main/resources/templates/test.html

@@ -8,6 +8,7 @@
     <h1 th:text="'i18n Test'"></h1>
 
     <h4 th:text="#{language}"></h4>
-    <h4 th:text="#{welcome}"></h4>
+    <h4 th:text="#{welcome('kim')}"></h4>
+
 </body>
 </html>

blog/i18n/src/test/java/com/example/i18n/MessageSourceTest.java

@@ -0,0 +1,21 @@
+package com.example.i18n;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.MessageSource;
+
+import java.util.Locale;
+
+@SpringBootTest
+class MessageSourceTest {
+
+    @Autowired
+    MessageSource messageSource;
+
+    @Test
+    void messageSourceTest() {
+        System.out.println(messageSource.getMessage("welcome", new String[]{"kim"}, Locale.ENGLISH));
+        System.out.println(messageSource.getMessage("welcome", new String[]{"kim"}, Locale.KOREAN));
+    }
+}