refacto - restructure code

src/main/java/uppa/project/web/servlet/RulesServlet.java

@@ -0,0 +1,33 @@
+package uppa.project.web.servlet;
+
+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;
+import uppa.project.web.translation.Translator;
+
+@WebServlet(name = "rulesServlet", value = "/rules")
+public class RulesServlet extends HttpServlet {
+  public void init() {
+  }
+
+  /**
+   * Affichage de la page des règles
+   *
+   * @param request la requête
+   * @param response la réponse
+   * @throws IOException si une erreur d'entrée/sortie survient
+   * @throws ServletException si une erreur de servlet survient
+   */
+  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    if (request.getSession().getAttribute("translator") == null) {
+      request.getSession().setAttribute("language", "FR");
+      request.getSession().setAttribute("translator", Translator.generateTranslator(request.getSession(), request.getServletContext()));
+    }
+    request.getRequestDispatcher("/WEB-INF/pages/rules.jsp").forward(request, response);
+  }
+  public void destroy() {
+  }
+}