1 files changed, 59 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/web/i18n/SetLanguageServlet.java b/src/main/java/at/gv/egiz/pdfas/web/i18n/SetLanguageServlet.java
new file mode 100644
index 0000000..582f765
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/web/i18n/SetLanguageServlet.java
@@ -0,0 +1,59 @@
+package at.gv.egiz.pdfas.web.i18n;
+
+import java.io.IOException;
+import java.util.Locale;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.log4j.Logger;
+
+public class SetLanguageServlet extends HttpServlet {
+   
+   private static final long serialVersionUID = 1L;
+   
+   public static final String LANGUAGE_PARAMETER = "code";
+   private Logger log = Logger.getLogger(LanguageDecoratorMapper.class);
+
+   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+      this.doPost(request, response);
+   }
+
+   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+      
+      HttpSession session = request.getSession();
+      
+      // check manual language override (should be two-letter ISO-639 code)
+      Locale currentManualSetLanguage = (Locale) session.getAttribute(LanguageDecoratorMapper.LOCALE_SESSION_KEY);
+      String language = request.getParameter(LANGUAGE_PARAMETER);
+      if (!StringUtils.isEmpty(language)) {
+         String code = language.trim().toLowerCase();
+         if (!ArrayUtils.contains(Locale.getISOLanguages(), code)) {
+            log.error("Manually set language code \"" + code + "\" is not a valid ISO 639 language. Do not switch language.");
+         } else {
+            currentManualSetLanguage = new Locale(code);
+            log.info("Switching language to " + currentManualSetLanguage.getDisplayLanguage() + ".");
+            session.setAttribute(LanguageDecoratorMapper.LOCALE_SESSION_KEY, currentManualSetLanguage);
+         }
+      }
+
+//      if (currentManualSetLanguage != null) {
+//         log.info("Forcing language " + currentManualSetLanguage.getDisplayLanguage() + ".");
+//         super.getServletContext().setAttribute(LanguageDecoratorMapper.LOCALE_SESSION_KEY, currentManualSetLanguage);
+//      }
+      
+//      response.sendRedirect(response.encodeRedirectURL(request.getContextPath() + "/"));
+      RequestDispatcher rd = request.getRequestDispatcher("/");
+      rd.forward(request, response);
+      
+   }
+   
+   
+
+}