fix #1201 improve request languages

src/main/java/org/codelibs/fess/api/gsa/GsaApiManager.java

@@ -102,7 +102,6 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
             final SearchRenderData data = new SearchRenderData();
             final GsaRequestParams params = new GsaRequestParams(request, fessConfig);
             query = params.getQuery();
-            request.setAttribute(Constants.REQUEST_QUERIES, query);
             searchService.search(params, data, OptionalThing.empty());
             final String execTime = data.getExecTime();
             final long allRecordCount = data.getAllRecordCount();

src/main/java/org/codelibs/fess/api/json/JsonApiManager.java

@@ -138,7 +138,6 @@ public class JsonApiManager extends BaseJsonApiManager {
             final SearchRenderData data = new SearchRenderData();
             final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
             query = params.getQuery();
-            request.setAttribute(Constants.REQUEST_QUERIES, query);
             searchService.search(params, data, OptionalThing.empty());
             final String execTime = data.getExecTime();
             final String queryTime = Long.toString(data.getQueryTime());

src/main/java/org/codelibs/fess/app/service/SearchService.java

@@ -56,6 +56,7 @@ import org.elasticsearch.action.update.UpdateResponse;
 import org.elasticsearch.index.query.BoolQueryBuilder;
 import org.elasticsearch.index.query.QueryBuilders;
 import org.lastaflute.taglib.function.LaFunctions;
+import org.lastaflute.web.util.LaRequestUtil;
 
 public class SearchService {
 
@@ -85,9 +86,13 @@ public class SearchService {
 
     public void search(final SearchRequestParams params, final SearchRenderData data, final OptionalThing<FessUserBean> userBean) {
         final long requestedTime = systemHelper.getCurrentTimeAsLong();
-
         final long startTime = System.currentTimeMillis();
 
+        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
+            request.setAttribute(Constants.REQUEST_LANGUAGES, params.getLanguages());
+            request.setAttribute(Constants.REQUEST_QUERIES, params.getQuery());
+        });
+
         final String query =
                 QueryStringBuilder.query(params.getQuery()).extraQueries(params.getExtraQueries()).fields(params.getFields()).build();
 

src/main/java/org/codelibs/fess/app/web/search/SearchAction.java

@@ -130,8 +130,6 @@ public class SearchAction extends FessSearchAction {
         try {
             buildFormParams(form);
             form.lang = searchService.getLanguages(request, form);
-            request.setAttribute(Constants.REQUEST_LANGUAGES, form.lang);
-            request.setAttribute(Constants.REQUEST_QUERIES, form.q);
             final WebRenderData renderData = new WebRenderData();
             searchService.search(form, renderData, getUserBean());
             return asHtml(virtualHost(path_SearchJsp)).renderWith(