Added Locale folder in the MVCPracticeAdvanced section of a small course on Java EE

JcoderPaul · JcoderPaul · commit 3aad403579e6 · 2023-06-14T22:40:47.000+03:00
diff --git a/MVCPracticeAdvanced/src/Locale/LocaleDemo.java b/MVCPracticeAdvanced/src/Locale/LocaleDemo.java
@@ -0,0 +1,24 @@
+package Locale;
+/*
+Класс: https://docs.oracle.com/javase/8/docs/api/java/util/Locale.html
+Документация: https://www.oracle.com/java/technologies/javase/jdk8-jre8-suported-locales.html
+*/
+import java.util.Locale;
+import java.util.ResourceBundle;
+
+public class LocaleDemo {
+    public static void main(String[] args) {
+        /* Пример создания локали руками, в объект передаем язык и страну */
+        Locale myLocale = new Locale("ru","RU");
+        System.out.println(myLocale);
+
+        /* Предустановленные локали или константы */
+        System.out.println(Locale.US);
+        System.out.println(Locale.getDefault());
+
+        /* Используем файл ресурсов translations.properties */
+        ResourceBundle nowTranslations = ResourceBundle.getBundle("translations", myLocale);
+        System.out.println(nowTranslations.getString("page.login.password"));
+
+    }
+}
diff --git a/MVCPracticeAdvanced/src/Locale/LocaleServlet.java b/MVCPracticeAdvanced/src/Locale/LocaleServlet.java
@@ -0,0 +1,25 @@
+package Locale;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+
+@WebServlet("/locale")
+public class LocaleServlet extends HttpServlet {
+
+    @Override
+    protected void doPost(HttpServletRequest req,
+                          HttpServletResponse resp) throws ServletException, IOException {
+
+        String language = req.getParameter("lang");
+        req.getSession().setAttribute("lang", language);
+
+        String prevPage = req.getHeader("referer");
+        String thisPage = prevPage != null ? prevPage : "/international_login";
+        resp.sendRedirect(thisPage + "?lang=" + language);
+    }
+}
