code clean-up

src/main/java/org/codelibs/fess/api/WebApiManagerFactory.java

@@ -25,7 +25,7 @@ public class WebApiManagerFactory {
     protected WebApiManager[] webApiManagers = new WebApiManager[0];
 
     public void add(final WebApiManager webApiManager) {
-        final List<WebApiManager> list = new ArrayList<WebApiManager>();
+        final List<WebApiManager> list = new ArrayList<>();
         for (final WebApiManager manager : webApiManagers) {
             list.add(manager);
         }

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

@@ -106,9 +106,9 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
             final long allRecordCount = data.getAllRecordCount();
             final List<Map<String, Object>> documentItems = data.getDocumentItems();
 
-            final List<String> getFields = new ArrayList<String>();
+            final List<String> getFields = new ArrayList<>();
             // meta tags should be returned
-            final String getFieldsParam = (String) request.getParameter("getfields");
+            final String getFieldsParam = request.getParameter("getfields");
             if (StringUtil.isNotBlank(getFieldsParam)) {
                 getFields.addAll(Arrays.asList(getFieldsParam.split("\\.")));
             }
@@ -116,7 +116,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
             if ("xml".equals(request.getParameter("output"))) {
                 xmlDtd = true;
             }
-            StringBuilder requestUri = new StringBuilder(request.getRequestURI());
+            final StringBuilder requestUri = new StringBuilder(request.getRequestURI());
             if (request.getQueryString() != null) {
                 requestUri.append("?").append(request.getQueryString());
             }
@@ -190,7 +190,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
                     buf.append("</NB>");
                 }
                 long recordNumber = startNumber;
-                for (Map<String, Object> document : documentItems) {
+                for (final Map<String, Object> document : documentItems) {
                     buf.append("<R N=\"");
                     buf.append(recordNumber);
                     buf.append("\">");
@@ -198,7 +198,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
                     document.put("UE", url);
                     document.put("U", URLDecoder.decode(url, Constants.UTF_8));
                     document.put("T", document.remove("title"));
-                    float score = Float.parseFloat((String) document.remove("boost"));
+                    final float score = Float.parseFloat((String) document.remove("boost"));
                     document.put("RK", (int) (score * 10));
                     document.put("S", ((String) document.remove("content_description")).replaceAll("<(/*)em>", "<$1b>"));
                     document.put("LANG", document.remove("lang"));
@@ -240,7 +240,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
                     } else {
                         charset = (String) document.remove("contentType_s");
                         if (StringUtil.isNotBlank(charset)) {
-                            Matcher m = Pattern.compile(".*;\\s*charset=(.+)").matcher(charset);
+                            final Matcher m = Pattern.compile(".*;\\s*charset=(.+)").matcher(charset);
                             if (m.matches()) {
                                 charset = m.group(1);
                                 buf.append(charset);
@@ -327,7 +327,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
 
     static class WrappedWebApiRequest extends WebApiRequest {
         private Map<String, String[]> parameters;
-        private Map<String, String[]> extraParameters;
+        private final Map<String, String[]> extraParameters;
 
         public WrappedWebApiRequest(final HttpServletRequest request, final String servletPath, final Map<String, String[]> extraParams) {
             super(request, servletPath);
@@ -336,7 +336,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
 
         @Override
         public String getParameter(final String name) {
-            String[] values = getParameterMap().get(name);
+            final String[] values = getParameterMap().get(name);
             if (values != null) {
                 return values[0];
             }
@@ -346,7 +346,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
         @Override
         public Map<String, String[]> getParameterMap() {
             if (parameters == null) {
-                parameters = new HashMap<String, String[]>();
+                parameters = new HashMap<>();
                 parameters.putAll(super.getParameterMap());
                 // Parameter of the same key will be overwritten
                 parameters.putAll(extraParameters);
@@ -410,11 +410,11 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
 
         @Override
         public Map<String, String[]> getFields() {
-            Map<String, String[]> fields = new HashMap<>();
-            for (Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
-                String key = entry.getKey();
+            final Map<String, String[]> fields = new HashMap<>();
+            for (final Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
+                final String key = entry.getKey();
                 if (key.startsWith("fields.")) {
-                    String[] value = simplifyArray(entry.getValue());
+                    final String[] value = simplifyArray(entry.getValue());
                     fields.put(key.substring("fields.".length()), value);
                 }
             }
@@ -510,7 +510,7 @@ public class GsaApiManager extends BaseApiManager implements WebApiManager {
         }
 
         @Override
-        public Object getAttribute(String name) {
+        public Object getAttribute(final String name) {
             return request.getAttribute(name);
         }
 

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

@@ -699,11 +699,11 @@ public class JsonApiManager extends BaseApiManager {
 
         @Override
         public Map<String, String[]> getFields() {
-            Map<String, String[]> fields = new HashMap<>();
-            for (Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
-                String key = entry.getKey();
+            final Map<String, String[]> fields = new HashMap<>();
+            for (final Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
+                final String key = entry.getKey();
                 if (key.startsWith("fields.")) {
-                    String[] value = simplifyArray(entry.getValue());
+                    final String[] value = simplifyArray(entry.getValue());
                     fields.put(key.substring("fields.".length()), value);
                 }
             }
@@ -777,7 +777,7 @@ public class JsonApiManager extends BaseApiManager {
         }
 
         @Override
-        public Object getAttribute(String name) {
+        public Object getAttribute(final String name) {
             return request.getAttribute(name);
         }
 

src/main/java/org/codelibs/fess/app/job/AllJobScheduler.java

@@ -88,7 +88,7 @@ public class AllJobScheduler implements LaJobScheduler {
                 }
                 try {
                     jobHelper.register(scheduledJob);
-                } catch (Exception e) {
+                } catch (final Exception e) {
                     logger.warn("Failed to update schdule " + scheduledJob, e);
                 }
             });
@@ -103,7 +103,7 @@ public class AllJobScheduler implements LaJobScheduler {
         });
     }
 
-    public void setJobClass(Class<? extends LaJob> jobClass) {
+    public void setJobClass(final Class<? extends LaJob> jobClass) {
         this.jobClass = jobClass;
     }
 }

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

@@ -163,7 +163,7 @@ public class BadWordService implements Serializable {
             }, new EntityRowHandler<BadWord>() {
                 @Override
                 public void handle(final BadWord entity) {
-                    final List<String> list = new ArrayList<String>();
+                    final List<String> list = new ArrayList<>();
                     addToList(list, entity.getSuggestWord());
                     try {
                         csvWriter.writeValues(list);

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

@@ -287,7 +287,7 @@ public class CrawlingInfoService implements Serializable {
         @SuppressWarnings("resource")
         final CsvWriter csvWriter = new CsvWriter(writer, cfg);
         try {
-            final List<String> list = new ArrayList<String>();
+            final List<String> list = new ArrayList<>();
             list.add("SessionId");
             list.add("SessionCreatedTime");
             list.add("Key");
@@ -300,7 +300,7 @@ public class CrawlingInfoService implements Serializable {
             }, new EntityRowHandler<CrawlingInfoParam>() {
                 @Override
                 public void handle(final CrawlingInfoParam entity) {
-                    final List<String> list = new ArrayList<String>();
+                    final List<String> list = new ArrayList<>();
                     entity.getCrawlingInfo().ifPresent(crawlingInfo -> {
                         addToList(list, crawlingInfo.getSessionId());
                         addToList(list, crawlingInfo.getCreatedTime());

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

@@ -111,7 +111,7 @@ public class DataConfigService implements Serializable {
                 fctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
             });
             if (!fctltmList.isEmpty()) {
-                final List<String> labelTypeIds = new ArrayList<String>(fctltmList.size());
+                final List<String> labelTypeIds = new ArrayList<>(fctltmList.size());
                 for (final DataConfigToLabel mapping : fctltmList) {
                     labelTypeIds.add(mapping.getLabelTypeId());
                 }
@@ -133,7 +133,7 @@ public class DataConfigService implements Serializable {
         if (isNew) {
             // Insert
             if (labelTypeIds != null) {
-                final List<DataConfigToLabel> fctltmList = new ArrayList<DataConfigToLabel>();
+                final List<DataConfigToLabel> fctltmList = new ArrayList<>();
                 for (final String labelTypeId : labelTypeIds) {
                     final DataConfigToLabel mapping = new DataConfigToLabel();
                     mapping.setDataConfigId(dataConfigId);
@@ -151,8 +151,8 @@ public class DataConfigService implements Serializable {
                     fctltmCb.query().setDataConfigId_Equal(dataConfigId);
                     fctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
                 });
-                final List<DataConfigToLabel> newList = new ArrayList<DataConfigToLabel>();
-                final List<DataConfigToLabel> matchedList = new ArrayList<DataConfigToLabel>();
+                final List<DataConfigToLabel> newList = new ArrayList<>();
+                final List<DataConfigToLabel> matchedList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     boolean exist = false;
                     for (final DataConfigToLabel mapping : fctltmList) {

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

@@ -84,7 +84,7 @@ public class ElevateWordService implements Serializable {
                 wctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
             });
             if (!wctltmList.isEmpty()) {
-                final List<String> labelTypeIds = new ArrayList<String>(wctltmList.size());
+                final List<String> labelTypeIds = new ArrayList<>(wctltmList.size());
                 for (final ElevateWordToLabel mapping : wctltmList) {
                     labelTypeIds.add(mapping.getLabelTypeId());
                 }
@@ -105,7 +105,7 @@ public class ElevateWordService implements Serializable {
         if (isNew) {
             // Insert
             if (labelTypeIds != null) {
-                final List<ElevateWordToLabel> wctltmList = new ArrayList<ElevateWordToLabel>();
+                final List<ElevateWordToLabel> wctltmList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     final ElevateWordToLabel mapping = new ElevateWordToLabel();
                     mapping.setElevateWordId(elevateWordId);
@@ -123,8 +123,8 @@ public class ElevateWordService implements Serializable {
                     wctltmCb.query().setElevateWordId_Equal(elevateWordId);
                     wctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
                 });
-                final List<ElevateWordToLabel> newList = new ArrayList<ElevateWordToLabel>();
-                final List<ElevateWordToLabel> matchedList = new ArrayList<ElevateWordToLabel>();
+                final List<ElevateWordToLabel> newList = new ArrayList<>();
+                final List<ElevateWordToLabel> matchedList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     boolean exist = false;
                     for (final ElevateWordToLabel mapping : list) {
@@ -236,7 +236,7 @@ public class ElevateWordService implements Serializable {
         @SuppressWarnings("resource")
         final CsvWriter csvWriter = new CsvWriter(writer, cfg);
         try {
-            final List<String> list = new ArrayList<String>();
+            final List<String> list = new ArrayList<>();
             list.add("SuggestWord");
             list.add("Reading");
             list.add("Role");
@@ -249,7 +249,7 @@ public class ElevateWordService implements Serializable {
             }, new EntityRowHandler<ElevateWord>() {
                 @Override
                 public void handle(final ElevateWord entity) {
-                    final List<String> list = new ArrayList<String>();
+                    final List<String> list = new ArrayList<>();
                     addToList(list, entity.getSuggestWord());
                     addToList(list, entity.getReading());
                     addToList(list, entity.getTargetRole());

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

@@ -129,7 +129,7 @@ public class FailureUrlService implements Serializable {
     }
 
     public List<String> getExcludedUrlList(final String configId) {
-        int failureCount = fessConfig.getFailureCountThreshold();
+        final int failureCount = fessConfig.getFailureCountThreshold();
         final String ignoreFailureType = fessConfig.getIgnoreFailureType();
 
         if (failureCount < 0) {
@@ -150,7 +150,7 @@ public class FailureUrlService implements Serializable {
         if (StringUtil.isNotBlank(ignoreFailureType)) {
             pattern = Pattern.compile(ignoreFailureType);
         }
-        final List<String> urlList = new ArrayList<String>();
+        final List<String> urlList = new ArrayList<>();
         for (final FailureUrl failureUrl : list) {
             if (pattern != null) {
                 if (!pattern.matcher(failureUrl.getUrl()).matches()) {

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

@@ -117,7 +117,7 @@ public class FileConfigService implements Serializable {
                 fctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
             });
             if (!fctltmList.isEmpty()) {
-                final List<String> labelTypeIds = new ArrayList<String>(fctltmList.size());
+                final List<String> labelTypeIds = new ArrayList<>(fctltmList.size());
                 for (final FileConfigToLabel mapping : fctltmList) {
                     labelTypeIds.add(mapping.getLabelTypeId());
                 }
@@ -138,7 +138,7 @@ public class FileConfigService implements Serializable {
         if (isNew) {
             // Insert
             if (labelTypeIds != null) {
-                final List<FileConfigToLabel> fctltmList = new ArrayList<FileConfigToLabel>();
+                final List<FileConfigToLabel> fctltmList = new ArrayList<>();
                 for (final String labelTypeId : labelTypeIds) {
                     final FileConfigToLabel mapping = new FileConfigToLabel();
                     mapping.setFileConfigId(fileConfigId);
@@ -156,8 +156,8 @@ public class FileConfigService implements Serializable {
                     fctltmCb.query().setFileConfigId_Equal(fileConfigId);
                     fctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
                 });
-                final List<FileConfigToLabel> newList = new ArrayList<FileConfigToLabel>();
-                final List<FileConfigToLabel> matchedList = new ArrayList<FileConfigToLabel>();
+                final List<FileConfigToLabel> newList = new ArrayList<>();
+                final List<FileConfigToLabel> matchedList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     boolean exist = false;
                     for (final FileConfigToLabel mapping : fctltmList) {

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

@@ -126,7 +126,7 @@ public class WebConfigService implements Serializable {
                 wctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
             });
             if (!wctltmList.isEmpty()) {
-                final List<String> labelTypeIds = new ArrayList<String>(wctltmList.size());
+                final List<String> labelTypeIds = new ArrayList<>(wctltmList.size());
                 for (final WebConfigToLabel mapping : wctltmList) {
                     labelTypeIds.add(mapping.getLabelTypeId());
                 }
@@ -147,7 +147,7 @@ public class WebConfigService implements Serializable {
         if (isNew) {
             // Insert
             if (labelTypeIds != null) {
-                final List<WebConfigToLabel> wctltmList = new ArrayList<WebConfigToLabel>();
+                final List<WebConfigToLabel> wctltmList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     final WebConfigToLabel mapping = new WebConfigToLabel();
                     mapping.setWebConfigId(webConfigId);
@@ -165,8 +165,8 @@ public class WebConfigService implements Serializable {
                     wctltmCb.query().setWebConfigId_Equal(webConfigId);
                     wctltmCb.fetchFirst(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger());
                 });
-                final List<WebConfigToLabel> newList = new ArrayList<WebConfigToLabel>();
-                final List<WebConfigToLabel> matchedList = new ArrayList<WebConfigToLabel>();
+                final List<WebConfigToLabel> newList = new ArrayList<>();
+                final List<WebConfigToLabel> matchedList = new ArrayList<>();
                 for (final String id : labelTypeIds) {
                     boolean exist = false;
                     for (final WebConfigToLabel mapping : list) {

src/main/java/org/codelibs/fess/app/web/admin/badword/AdminBadwordAction.java

@@ -225,7 +225,7 @@ public class AdminBadwordAction extends FessAdminAction {
                         badWordService.store(entity);
                         suggestHelper.addBadWord(entity.getSuggestWord());
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -246,7 +246,7 @@ public class AdminBadwordAction extends FessAdminAction {
                         badWordService.store(entity);
                         suggestHelper.storeAllBadWords();
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -270,7 +270,7 @@ public class AdminBadwordAction extends FessAdminAction {
                                 badWordService.delete(entity);
                                 suggestHelper.deleteBadWord(entity.getSuggestWord());
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asDetailsHtml());

src/main/java/org/codelibs/fess/app/web/admin/boostdoc/AdminBoostdocAction.java

@@ -167,7 +167,7 @@ public class AdminBoostdocAction extends FessAdminAction {
                     try {
                         boostDocumentRuleService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -187,7 +187,7 @@ public class AdminBoostdocAction extends FessAdminAction {
                     try {
                         boostDocumentRuleService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -210,7 +210,7 @@ public class AdminBoostdocAction extends FessAdminAction {
                             try {
                                 boostDocumentRuleService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/dataconfig/AdminDataconfigAction.java

@@ -211,7 +211,7 @@ public class AdminDataconfigAction extends FessAdminAction {
                     try {
                         dataConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -231,7 +231,7 @@ public class AdminDataconfigAction extends FessAdminAction {
                     try {
                         dataConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -254,7 +254,7 @@ public class AdminDataconfigAction extends FessAdminAction {
                             try {
                                 dataConfigService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());
@@ -313,9 +313,9 @@ public class AdminDataconfigAction extends FessAdminAction {
 
     protected void registerHandlerNames(final RenderData data) {
         final List<String> dataStoreNameList = dataStoreFactory.getDataStoreNameList();
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         for (final String name : dataStoreNameList) {
-            final Map<String, String> map = new HashMap<String, String>();
+            final Map<String, String> map = new HashMap<>();
             map.put(Constants.ITEM_LABEL, name);
             map.put(Constants.ITEM_VALUE, name);
             itemList.add(map);

src/main/java/org/codelibs/fess/app/web/admin/design/AdminDesignAction.java

@@ -86,7 +86,7 @@ public class AdminDesignAction extends FessAdminAction implements Serializable {
 
     private List<String> loadFileNameItems() {
         final File baseDir = new File(getServletContext().getRealPath("/"));
-        final List<String> fileNameItems = new ArrayList<String>();
+        final List<String> fileNameItems = new ArrayList<>();
         final List<File> fileList = getAccessibleFileList(baseDir);
         final int length = baseDir.getAbsolutePath().length();
         for (final File file : fileList) {
@@ -281,7 +281,7 @@ public class AdminDesignAction extends FessAdminAction implements Serializable {
     }
 
     private List<File> getAccessibleFileList(final File baseDir) {
-        final List<File> fileList = new ArrayList<File>();
+        final List<File> fileList = new ArrayList<>();
         fileList.addAll(FileUtils.listFiles(new File(baseDir, "images"), fessConfig.getSupportedUploadedMediaExtentionsAsArray(), true));
         fileList.addAll(FileUtils.listFiles(new File(baseDir, "css"), fessConfig.getSupportedUploadedCssExtentionsAsArray(), true));
         fileList.addAll(FileUtils.listFiles(new File(baseDir, "js"), fessConfig.getSupportedUploadedJsExtentionsAsArray(), true));

src/main/java/org/codelibs/fess/app/web/admin/dict/ListForm.java

@@ -26,5 +26,5 @@ public class ListForm implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    public Map<String, String> searchParams = new HashMap<String, String>();
+    public Map<String, String> searchParams = new HashMap<>();
 }

src/main/java/org/codelibs/fess/app/web/admin/dict/kuromoji/AdminDictKuromojiAction.java

@@ -275,7 +275,7 @@ public class AdminDictKuromojiAction extends FessAdminAction {
                     try {
                         kuromojiService.store(form.dictId, entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -295,7 +295,7 @@ public class AdminDictKuromojiAction extends FessAdminAction {
                     try {
                         kuromojiService.store(form.dictId, entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -317,7 +317,7 @@ public class AdminDictKuromojiAction extends FessAdminAction {
                             try {
                                 kuromojiService.delete(form.dictId, entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/dict/synonym/AdminDictSynonymAction.java

@@ -279,7 +279,7 @@ public class AdminDictSynonymAction extends FessAdminAction {
                     try {
                         synonymService.store(form.dictId, entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -299,7 +299,7 @@ public class AdminDictSynonymAction extends FessAdminAction {
                     try {
                         synonymService.store(form.dictId, entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -321,7 +321,7 @@ public class AdminDictSynonymAction extends FessAdminAction {
                             try {
                                 synonymService.delete(form.dictId, entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/duplicatehost/AdminDuplicatehostAction.java

@@ -168,7 +168,7 @@ public class AdminDuplicatehostAction extends FessAdminAction {
                     try {
                         duplicateHostService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -188,7 +188,7 @@ public class AdminDuplicatehostAction extends FessAdminAction {
                     try {
                         duplicateHostService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -211,7 +211,7 @@ public class AdminDuplicatehostAction extends FessAdminAction {
                             try {
                                 duplicateHostService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/elevateword/AdminElevatewordAction.java

@@ -233,7 +233,7 @@ public class AdminElevatewordAction extends FessAdminAction {
                         suggestHelper.addElevateWord(entity.getSuggestWord(), entity.getReading(), entity.getLabelTypeValues(),
                                 entity.getTargetRole(), entity.getBoost());
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -255,7 +255,7 @@ public class AdminElevatewordAction extends FessAdminAction {
                         suggestHelper.deleteAllElevateWord();
                         suggestHelper.storeAllElevateWords();
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -279,7 +279,7 @@ public class AdminElevatewordAction extends FessAdminAction {
                                 elevateWordService.delete(entity);
                                 suggestHelper.deleteElevateWord(entity.getSuggestWord());
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/fileauth/AdminFileauthAction.java

@@ -185,7 +185,7 @@ public class AdminFileauthAction extends FessAdminAction {
                     try {
                         fileAuthenticationService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -205,7 +205,7 @@ public class AdminFileauthAction extends FessAdminAction {
                     try {
                         fileAuthenticationService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -228,7 +228,7 @@ public class AdminFileauthAction extends FessAdminAction {
                             try {
                                 fileAuthenticationService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());
@@ -273,7 +273,7 @@ public class AdminFileauthAction extends FessAdminAction {
     }
 
     protected void registerProtocolSchemeItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final Locale locale = LaRequestUtil.getRequest().getLocale();
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_samba"), Constants.SAMBA));
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_ftp"), Constants.FTP));
@@ -281,7 +281,7 @@ public class AdminFileauthAction extends FessAdminAction {
     }
 
     protected void registerFileConfigItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final List<FileConfig> fileConfigList = fileConfigService.getAllFileConfigList(false, false, false, null);
         for (final FileConfig fileConfig : fileConfigList) {
             itemList.add(createItem(fileConfig.getName(), fileConfig.getId().toString()));
@@ -290,7 +290,7 @@ public class AdminFileauthAction extends FessAdminAction {
     }
 
     protected Map<String, String> createItem(final String label, final String value) {
-        final Map<String, String> map = new HashMap<String, String>(2);
+        final Map<String, String> map = new HashMap<>(2);
         map.put(Constants.ITEM_LABEL, label);
         map.put(Constants.ITEM_VALUE, value);
         return map;

src/main/java/org/codelibs/fess/app/web/admin/fileconfig/AdminFileconfigAction.java

@@ -208,7 +208,7 @@ public class AdminFileconfigAction extends FessAdminAction {
                     try {
                         fileConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -228,7 +228,7 @@ public class AdminFileconfigAction extends FessAdminAction {
                     try {
                         fileConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -251,7 +251,7 @@ public class AdminFileconfigAction extends FessAdminAction {
                             try {
                                 fileConfigService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/general/AdminGeneralAction.java

@@ -82,7 +82,7 @@ public class AdminGeneralAction extends FessAdminAction {
         });
 
         final String[] toAddresses = form.notificationTo.split(",");
-        final Map<String, Object> dataMap = new HashMap<String, Object>();
+        final Map<String, Object> dataMap = new HashMap<>();
         dataMap.put("hostname", systemHelper.getHostname());
 
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
@@ -188,7 +188,7 @@ public class AdminGeneralAction extends FessAdminAction {
     }
 
     private List<String> getDayItems() {
-        final List<String> items = new ArrayList<String>();
+        final List<String> items = new ArrayList<>();
         for (int i = 0; i < 32; i++) {
             items.add(Integer.toString(i));
         }

src/main/java/org/codelibs/fess/app/web/admin/keymatch/AdminKeymatchAction.java

@@ -170,7 +170,7 @@ public class AdminKeymatchAction extends FessAdminAction {
                         keyMatchService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
                         ComponentUtil.getKeyMatchHelper().update();
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -191,7 +191,7 @@ public class AdminKeymatchAction extends FessAdminAction {
                         keyMatchService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
                         ComponentUtil.getKeyMatchHelper().update();
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -215,7 +215,7 @@ public class AdminKeymatchAction extends FessAdminAction {
                                 keyMatchService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
                                 ComponentUtil.getKeyMatchHelper().update();
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java

@@ -206,7 +206,7 @@ public class AdminLabeltypeAction extends FessAdminAction {
                     try {
                         labelTypeService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -226,7 +226,7 @@ public class AdminLabeltypeAction extends FessAdminAction {
                     try {
                         labelTypeService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -249,7 +249,7 @@ public class AdminLabeltypeAction extends FessAdminAction {
                             try {
                                 labelTypeService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/log/AdminLogAction.java

@@ -75,7 +75,7 @@ public class AdminLogAction extends FessAdminAction {
     }
 
     private List<Map<String, Object>> getLogFileItems() {
-        final List<Map<String, Object>> logFileItems = new ArrayList<Map<String, Object>>();
+        final List<Map<String, Object>> logFileItems = new ArrayList<>();
         final String logFilePath = systemHelper.getLogFilePath();
         if (StringUtil.isNotBlank(logFilePath)) {
             final Path logDirPath = Paths.get(logFilePath);

src/main/java/org/codelibs/fess/app/web/admin/pathmap/AdminPathmapAction.java

@@ -169,7 +169,7 @@ public class AdminPathmapAction extends FessAdminAction {
                     try {
                         pathMappingService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -189,7 +189,7 @@ public class AdminPathmapAction extends FessAdminAction {
                     try {
                         pathMappingService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -212,7 +212,7 @@ public class AdminPathmapAction extends FessAdminAction {
                             try {
                                 pathMappingService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/reqheader/AdminReqheaderAction.java

@@ -185,7 +185,7 @@ public class AdminReqheaderAction extends FessAdminAction {
                     try {
                         requestHeaderService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -205,7 +205,7 @@ public class AdminReqheaderAction extends FessAdminAction {
                     try {
                         requestHeaderService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -228,7 +228,7 @@ public class AdminReqheaderAction extends FessAdminAction {
                             try {
                                 requestHeaderService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());
@@ -273,7 +273,7 @@ public class AdminReqheaderAction extends FessAdminAction {
     }
 
     protected void registerProtocolSchemeItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final Locale locale = LaRequestUtil.getRequest().getLocale();
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_basic"), Constants.BASIC));
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_digest"), Constants.DIGEST));
@@ -282,7 +282,7 @@ public class AdminReqheaderAction extends FessAdminAction {
     }
 
     protected void registerWebConfigItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final List<WebConfig> webConfigList = webConfigService.getAllWebConfigList(false, false, false, null);
         for (final WebConfig webConfig : webConfigList) {
             itemList.add(createItem(webConfig.getName(), webConfig.getId().toString()));
@@ -291,7 +291,7 @@ public class AdminReqheaderAction extends FessAdminAction {
     }
 
     protected Map<String, String> createItem(final String label, final String value) {
-        final Map<String, String> map = new HashMap<String, String>(2);
+        final Map<String, String> map = new HashMap<>(2);
         map.put(Constants.ITEM_LABEL, label);
         map.put(Constants.ITEM_VALUE, value);
         return map;

src/main/java/org/codelibs/fess/app/web/admin/scheduler/AdminSchedulerAction.java

@@ -205,7 +205,7 @@ public class AdminSchedulerAction extends FessAdminAction {
                     try {
                         scheduledJobService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -225,7 +225,7 @@ public class AdminSchedulerAction extends FessAdminAction {
                     try {
                         scheduledJobService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -248,7 +248,7 @@ public class AdminSchedulerAction extends FessAdminAction {
                             try {
                                 scheduledJobService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/admin/searchlist/ListForm.java

@@ -133,7 +133,7 @@ public class ListForm implements SearchRequestParams, Serializable {
     }
 
     @Override
-    public Object getAttribute(String name) {
+    public Object getAttribute(final String name) {
         return LaRequestUtil.getRequest().getAttribute(name);
     }
 

src/main/java/org/codelibs/fess/app/web/admin/systeminfo/AdminSysteminfoAction.java

@@ -74,7 +74,7 @@ public class AdminSysteminfoAction extends FessAdminAction {
     //                                                                        ============
 
     protected void registerEnvItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         for (final Map.Entry<String, String> entry : System.getenv().entrySet()) {
             itemList.add(createItem(entry.getKey(), entry.getValue()));
         }
@@ -82,7 +82,7 @@ public class AdminSysteminfoAction extends FessAdminAction {
     }
 
     protected void registerPropItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         for (final Map.Entry<Object, Object> entry : System.getProperties().entrySet()) {
             itemList.add(createItem(entry.getKey(), entry.getValue()));
         }
@@ -90,7 +90,7 @@ public class AdminSysteminfoAction extends FessAdminAction {
     }
 
     protected void registerFessPropItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         for (final Map.Entry<Object, Object> entry : systemProperties.entrySet()) {
             itemList.add(createItem(entry.getKey(), entry.getValue()));
         }
@@ -98,7 +98,7 @@ public class AdminSysteminfoAction extends FessAdminAction {
     }
 
     protected void registerBugReportItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         for (final String label : bugReportLabels) {
             itemList.add(createPropItem(label));
         }
@@ -124,7 +124,7 @@ public class AdminSysteminfoAction extends FessAdminAction {
     }
 
     protected Map<String, String> createItem(final Object label, final Object value) {
-        final Map<String, String> map = new HashMap<String, String>(2);
+        final Map<String, String> map = new HashMap<>(2);
         map.put(Constants.ITEM_LABEL, label != null ? label.toString() : StringUtil.EMPTY);
         map.put(Constants.ITEM_VALUE, value != null ? value.toString() : StringUtil.EMPTY);
         return map;

src/main/java/org/codelibs/fess/app/web/admin/upgrade/AdminUpgradeAction.java

@@ -126,7 +126,7 @@ public class AdminUpgradeAction extends FessAdminAction {
 
     private void upgradeFrom10_0() {
 
-        IndicesAdminClient indicesClient = fessEsClient.admin().indices();
+        final IndicesAdminClient indicesClient = fessEsClient.admin().indices();
         final String configIndex = ".fess_config";
 
         try {
@@ -243,18 +243,19 @@ public class AdminUpgradeAction extends FessAdminAction {
                     });
 
             saveInfo(messages -> messages.addSuccessUpgradeFrom(GLOBAL));
-        } catch (Exception e) {
+        } catch (final Exception e) {
             logger.warn("Failed to upgrade data.", e);
             saveError(messages -> messages.addErrorsFailedToUpgradeFrom(GLOBAL, "10.0", e.getLocalizedMessage()));
         }
     }
 
-    private void addFieldMapping(IndicesAdminClient indicesClient, final String index, final String type, final String field,
+    private void addFieldMapping(final IndicesAdminClient indicesClient, final String index, final String type, final String field,
             final String source) {
-        GetFieldMappingsResponse gfmResponse =
+        final GetFieldMappingsResponse gfmResponse =
                 indicesClient.prepareGetFieldMappings(index).addTypes(type).setFields(field).execute().actionGet();
         if (gfmResponse.fieldMappings(index, type, field).isNull()) {
-            PutMappingResponse pmResponse = indicesClient.preparePutMapping(index).setType(type).setSource(source).execute().actionGet();
+            final PutMappingResponse pmResponse =
+                    indicesClient.preparePutMapping(index).setType(type).setSource(source).execute().actionGet();
             if (!pmResponse.isAcknowledged()) {
                 logger.warn("Failed to add " + field + " to " + index + "/" + type);
             }

src/main/java/org/codelibs/fess/app/web/admin/user/AdminUserAction.java

@@ -287,7 +287,7 @@ public class AdminUserAction extends FessAdminAction {
     }
 
     protected Map<String, String> createItem(final String label, final String value) {
-        final Map<String, String> map = new HashMap<String, String>(2);
+        final Map<String, String> map = new HashMap<>(2);
         map.put(Constants.ITEM_LABEL, label);
         map.put(Constants.ITEM_VALUE, value);
         return map;

src/main/java/org/codelibs/fess/app/web/admin/webauth/AdminWebauthAction.java

@@ -183,7 +183,7 @@ public class AdminWebauthAction extends FessAdminAction {
                     try {
                         webAuthenticationService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -203,7 +203,7 @@ public class AdminWebauthAction extends FessAdminAction {
                     try {
                         webAuthenticationService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -226,7 +226,7 @@ public class AdminWebauthAction extends FessAdminAction {
                             try {
                                 webAuthenticationService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());
@@ -271,7 +271,7 @@ public class AdminWebauthAction extends FessAdminAction {
     }
 
     protected void registerProtocolSchemeItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final Locale locale = LaRequestUtil.getRequest().getLocale();
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_basic"), Constants.BASIC));
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_digest"), Constants.DIGEST));
@@ -280,7 +280,7 @@ public class AdminWebauthAction extends FessAdminAction {
     }
 
     protected void registerWebConfigItems(final RenderData data) {
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final List<WebConfig> webConfigList = webConfigService.getAllWebConfigList(false, false, false, null);
         for (final WebConfig webConfig : webConfigList) {
             itemList.add(createItem(webConfig.getName(), webConfig.getId().toString()));
@@ -289,7 +289,7 @@ public class AdminWebauthAction extends FessAdminAction {
     }
 
     protected Map<String, String> createItem(final String label, final String value) {
-        final Map<String, String> map = new HashMap<String, String>(2);
+        final Map<String, String> map = new HashMap<>(2);
         map.put(Constants.ITEM_LABEL, label);
         map.put(Constants.ITEM_VALUE, value);
         return map;

src/main/java/org/codelibs/fess/app/web/admin/webconfig/AdminWebconfigAction.java

@@ -208,7 +208,7 @@ public class AdminWebconfigAction extends FessAdminAction {
                     try {
                         webConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -228,7 +228,7 @@ public class AdminWebconfigAction extends FessAdminAction {
                     try {
                         webConfigService.store(entity);
                         saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
-                    } catch (Exception e) {
+                    } catch (final Exception e) {
                         throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                 () -> asEditHtml());
                     }
@@ -251,7 +251,7 @@ public class AdminWebconfigAction extends FessAdminAction {
                             try {
                                 webConfigService.delete(entity);
                                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 throwValidationError(
                                         messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                                         () -> asEditHtml());

src/main/java/org/codelibs/fess/app/web/base/FessAdminAction.java

@@ -66,8 +66,8 @@ public abstract class FessAdminAction extends FessBaseAction {
         return LaServletContextUtil.getServletContext();
     }
 
-    protected String buildThrowableMessage(Throwable t) {
-        StringBuilder buf = new StringBuilder(100);
+    protected String buildThrowableMessage(final Throwable t) {
+        final StringBuilder buf = new StringBuilder(100);
         Throwable current = t;
         while (current != null) {
             buf.append(current.getLocalizedMessage()).append(' ');

src/main/java/org/codelibs/fess/app/web/base/FessSearchAction.java

@@ -145,7 +145,7 @@ public abstract class FessSearchAction extends FessBaseAction {
             }
         }
 
-        final Map<String, String> labelMap = new LinkedHashMap<String, String>();
+        final Map<String, String> labelMap = new LinkedHashMap<>();
         if (!labelTypeItems.isEmpty()) {
             for (final Map<String, String> map : labelTypeItems) {
                 labelMap.put(map.get(Constants.ITEM_VALUE), map.get(Constants.ITEM_LABEL));
@@ -155,7 +155,7 @@ public abstract class FessSearchAction extends FessBaseAction {
 
         // sort
         if (StringUtil.isBlank(form.sort)) {
-            String[] defaultSortValues = fessConfig.getDefaultSortValues(getUserBean());
+            final String[] defaultSortValues = fessConfig.getDefaultSortValues(getUserBean());
             if (defaultSortValues.length > 0) {
                 form.sort = String.join(",", defaultSortValues);
             }

src/main/java/org/codelibs/fess/app/web/base/SearchForm.java

@@ -107,7 +107,7 @@ public class SearchForm implements SearchRequestParams, Serializable {
 
     @Override
     public GeoInfo getGeoInfo() {
-        GeoInfo geoInfo = createGeoInfo(LaRequestUtil.getRequest());
+        final GeoInfo geoInfo = createGeoInfo(LaRequestUtil.getRequest());
         if (geoInfo != null) {
             return geoInfo;
         }
@@ -130,7 +130,7 @@ public class SearchForm implements SearchRequestParams, Serializable {
     }
 
     @Override
-    public Object getAttribute(String name) {
+    public Object getAttribute(final String name) {
         return LaRequestUtil.getRequest().getAttribute(name);
     }
 

src/main/java/org/codelibs/fess/app/web/cache/CacheAction.java

@@ -79,7 +79,7 @@ public class CacheAction extends FessSearchAction {
             return redirect(ErrorAction.class);
         }
 
-        StreamResponse response =
+        final StreamResponse response =
                 asStream(DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class)).contentType("text/html; charset=UTF-8")
                         .data(content.getBytes(Constants.CHARSET_UTF_8));
         response.headerContentDispositionInline(); // TODO will be fixed in lastaflute

src/main/java/org/codelibs/fess/app/web/logout/LogoutAction.java

@@ -40,7 +40,7 @@ public class LogoutAction extends FessSearchAction {
 
     @Execute
     public HtmlResponse index() {
-        final String username = getUserBean().map(u -> u.getUserId()).orElse("-");
+        getUserBean().map(u -> u.getUserId()).orElse("-");
         activityHelper.logout(getUserBean());
         fessLoginAssist.logout();
         return redirect(LoginAction.class);

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

@@ -177,7 +177,7 @@ public class SearchAction extends FessSearchAction {
         buf.append(form.q);
         if (!form.fields.isEmpty() && form.fields.containsKey(LABEL_FIELD)) {
             final String[] values = form.fields.get(LABEL_FIELD);
-            final List<String> labelList = new ArrayList<String>();
+            final List<String> labelList = new ArrayList<>();
             if (values != null) {
                 for (final String v : values) {
                     labelList.add(v);
@@ -206,7 +206,7 @@ public class SearchAction extends FessSearchAction {
             pagingQueryList.add("sort=" + LaFunctions.u(form.sort));
         }
         if (form.lang != null) {
-            final Set<String> langSet = new HashSet<String>();
+            final Set<String> langSet = new HashSet<>();
             for (final String lang : form.lang) {
                 if (StringUtil.isNotBlank(lang) && lang.length() < 1000) {
                     if (Constants.ALL_LANGUAGES.equals(lang)) {

src/main/java/org/codelibs/fess/crawler/FessCrawlerThread.java

@@ -71,9 +71,9 @@ public class FessCrawlerThread extends CrawlerThread {
             ResponseData responseData = null;
             try {
                 final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(crawlerContext.getSessionId());
-                final Map<String, Object> dataMap = new HashMap<String, Object>();
+                final Map<String, Object> dataMap = new HashMap<>();
                 dataMap.put(fessConfig.getIndexFieldUrl(), url);
-                final List<String> roleTypeList = new ArrayList<String>();
+                final List<String> roleTypeList = new ArrayList<>();
                 StreamUtil.of(crawlingConfig.getPermissions()).forEach(p -> roleTypeList.add(p));
                 if (url.startsWith("smb://")) {
                     if (url.endsWith("/")) {
@@ -184,7 +184,7 @@ public class FessCrawlerThread extends CrawlerThread {
             try {
                 storeChildUrls(childUrlSet.stream().filter(rd -> StringUtil.isNotBlank(rd.getUrl())).collect(Collectors.toSet()),
                         urlQueue.getUrl(), urlQueue.getDepth() != null ? urlQueue.getDepth() + 1 : 1);
-            } catch (Throwable t) {
+            } catch (final Throwable t) {
                 if (!ComponentUtil.available()) {
                     throw new ContainerNotAvailableException(t);
                 }
@@ -197,7 +197,7 @@ public class FessCrawlerThread extends CrawlerThread {
     protected Set<RequestData> getAnchorSet(final Object obj) {
         List<String> anchorList;
         if (obj instanceof String) {
-            anchorList = new ArrayList<String>();
+            anchorList = new ArrayList<>();
             anchorList.add(obj.toString());
         } else if (obj instanceof List<?>) {
             anchorList = (List<String>) obj;

src/main/java/org/codelibs/fess/crawler/transformer/AbstractFessFileTransformer.java

@@ -98,13 +98,13 @@ public abstract class AbstractFessFileTransformer extends AbstractTransformer im
 
     protected Map<String, Object> generateData(final ResponseData responseData) {
         final Extractor extractor = getExtractor(responseData);
-        final Map<String, String> params = new HashMap<String, String>();
+        final Map<String, String> params = new HashMap<>();
         params.put(TikaMetadataKeys.RESOURCE_NAME_KEY, getResourceName(responseData));
         final String mimeType = responseData.getMimeType();
         params.put(HttpHeaders.CONTENT_TYPE, mimeType);
         params.put(HttpHeaders.CONTENT_ENCODING, responseData.getCharSet());
         final UnsafeStringBuilder contentMetaBuf = new UnsafeStringBuilder(1000);
-        final Map<String, Object> dataMap = new HashMap<String, Object>();
+        final Map<String, Object> dataMap = new HashMap<>();
         final Map<String, Object> metaDataMap = new HashMap<>();
         String content;
         try (final InputStream in = responseData.getResponseBody()) {
@@ -286,7 +286,7 @@ public abstract class AbstractFessFileTransformer extends AbstractTransformer im
         //  boost
         putResultDataBody(dataMap, fessConfig.getIndexFieldBoost(), crawlingConfig.getDocumentBoost());
         // label: labelType
-        final Set<String> labelTypeSet = new HashSet<String>();
+        final Set<String> labelTypeSet = new HashSet<>();
         for (final String labelType : crawlingConfig.getLabelTypeValues()) {
             labelTypeSet.add(labelType);
         }
@@ -485,7 +485,7 @@ public abstract class AbstractFessFileTransformer extends AbstractTransformer im
 
     public void addMetaContentMapping(final String metaname, final String dynamicField) {
         if (metaContentMapping == null) {
-            metaContentMapping = new HashMap<String, String>();
+            metaContentMapping = new HashMap<>();
         }
         metaContentMapping.put(metaname, dynamicField);
     }

src/main/java/org/codelibs/fess/crawler/transformer/FessXpathTransformer.java

@@ -115,7 +115,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
 
         final Document document = parser.getDocument();
 
-        final Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
+        final Map<String, Object> dataMap = new LinkedHashMap<>();
         for (final Map.Entry<String, String> entry : fieldRuleMap.entrySet()) {
             final String path = entry.getValue();
             try {
@@ -278,7 +278,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
         //  boost
         putResultDataBody(dataMap, fessConfig.getIndexFieldBoost(), crawlingConfig.getDocumentBoost());
         // label: labelType
-        final Set<String> labelTypeSet = new HashSet<String>();
+        final Set<String> labelTypeSet = new HashSet<>();
         for (final String labelType : crawlingConfig.getLabelTypeValues()) {
             labelTypeSet.add(labelType);
         }
@@ -286,7 +286,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
         labelTypeSet.addAll(labelTypeHelper.getMatchedLabelValueSet(url));
         putResultDataBody(dataMap, fessConfig.getIndexFieldLabel(), labelTypeSet);
         // role: roleType
-        final List<String> roleTypeList = new ArrayList<String>();
+        final List<String> roleTypeList = new ArrayList<>();
         StreamUtil.of(crawlingConfig.getPermissions()).forEach(p -> roleTypeList.add(p));
         putResultDataBody(dataMap, fessConfig.getIndexFieldRole(), roleTypeList);
         // id
@@ -315,7 +315,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
     }
 
     protected String getLangXpath(final FessConfig fessConfig, final Map<String, String> xpathConfigMap) {
-        String xpath = xpathConfigMap.get("default.lang");
+        final String xpath = xpathConfigMap.get("default.lang");
         if (StringUtil.isNotBlank(xpath)) {
             return xpath;
         }
@@ -323,7 +323,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
     }
 
     protected String getContentXpath(final FessConfig fessConfig, final Map<String, String> xpathConfigMap) {
-        String xpath = xpathConfigMap.get("default.content");
+        final String xpath = xpathConfigMap.get("default.content");
         if (StringUtil.isNotBlank(xpath)) {
             return xpath;
         }
@@ -331,7 +331,7 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
     }
 
     protected String getDigestXpath(final FessConfig fessConfig, final Map<String, String> xpathConfigMap) {
-        String xpath = xpathConfigMap.get("default.digest");
+        final String xpath = xpathConfigMap.get("default.digest");
         if (StringUtil.isNotBlank(xpath)) {
             return xpath;
         }
@@ -398,8 +398,8 @@ public class FessXpathTransformer extends XpathTransformer implements FessTransf
 
     protected Node pruneNode(final Node node) {
         final NodeList nodeList = node.getChildNodes();
-        final List<Node> childNodeList = new ArrayList<Node>();
-        final List<Node> removedNodeList = new ArrayList<Node>();
+        final List<Node> childNodeList = new ArrayList<>();
+        final List<Node> removedNodeList = new ArrayList<>();
         for (int i = 0; i < nodeList.getLength(); i++) {
             final Node childNode = nodeList.item(i);
             if (isPrunedTag(childNode.getNodeName())) {

src/main/java/org/codelibs/fess/dict/DictionaryFile.java

@@ -241,7 +241,7 @@ public abstract class DictionaryFile<T extends DictionaryItem> {
             if (endPage > allPageCount) {
                 endPage = allPageCount;
             }
-            final List<Integer> pageNumberList = new ArrayList<Integer>();
+            final List<Integer> pageNumberList = new ArrayList<>();
             for (int i = startPage; i <= endPage; i++) {
                 pageNumberList.add(i);
             }

src/main/java/org/codelibs/fess/dict/kuromoji/KuromojiFile.java

@@ -79,7 +79,7 @@ public class KuromojiFile extends DictionaryFile<KuromojiItem> {
         }
 
         if (offset >= kuromojiItemList.size() || offset < 0) {
-            return new PagingList<KuromojiItem>(Collections.<KuromojiItem> emptyList(), offset, size, kuromojiItemList.size());
+            return new PagingList<>(Collections.<KuromojiItem> emptyList(), offset, size, kuromojiItemList.size());
         }
 
         int toIndex = offset + size;
@@ -87,7 +87,7 @@ public class KuromojiFile extends DictionaryFile<KuromojiItem> {
             toIndex = kuromojiItemList.size();
         }
 
-        return new PagingList<KuromojiItem>(kuromojiItemList.subList(offset, toIndex), offset, size, kuromojiItemList.size());
+        return new PagingList<>(kuromojiItemList.subList(offset, toIndex), offset, size, kuromojiItemList.size());
     }
 
     @Override
@@ -114,7 +114,7 @@ public class KuromojiFile extends DictionaryFile<KuromojiItem> {
     }
 
     protected void reload(final KuromojiUpdater updater, final InputStream in) {
-        final List<KuromojiItem> itemList = new ArrayList<KuromojiItem>();
+        final List<KuromojiItem> itemList = new ArrayList<>();
         try (BufferedReader reader =
                 new BufferedReader(new InputStreamReader(in != null ? in : dictionaryManager.getContentInputStream(this), Constants.UTF_8))) {
             long id = 0;

src/main/java/org/codelibs/fess/dict/seunjeon/SeunjeonFile.java

@@ -78,7 +78,7 @@ public class SeunjeonFile extends DictionaryFile<SeunjeonItem> {
         }
 
         if (offset >= seunjeonItemList.size() || offset < 0) {
-            return new PagingList<SeunjeonItem>(Collections.<SeunjeonItem> emptyList(), offset, size, seunjeonItemList.size());
+            return new PagingList<>(Collections.<SeunjeonItem> emptyList(), offset, size, seunjeonItemList.size());
         }
 
         int toIndex = offset + size;
@@ -86,7 +86,7 @@ public class SeunjeonFile extends DictionaryFile<SeunjeonItem> {
             toIndex = seunjeonItemList.size();
         }
 
-        return new PagingList<SeunjeonItem>(seunjeonItemList.subList(offset, toIndex), offset, size, seunjeonItemList.size());
+        return new PagingList<>(seunjeonItemList.subList(offset, toIndex), offset, size, seunjeonItemList.size());
     }
 
     @Override
@@ -113,7 +113,7 @@ public class SeunjeonFile extends DictionaryFile<SeunjeonItem> {
     }
 
     protected void reload(final SynonymUpdater updater, final InputStream in) {
-        final List<SeunjeonItem> itemList = new ArrayList<SeunjeonItem>();
+        final List<SeunjeonItem> itemList = new ArrayList<>();
         try (BufferedReader reader =
                 new BufferedReader(new InputStreamReader(in != null ? in : dictionaryManager.getContentInputStream(this), Constants.UTF_8))) {
             long id = 0;
@@ -127,7 +127,7 @@ public class SeunjeonFile extends DictionaryFile<SeunjeonItem> {
                 }
 
                 final List<String> inputStrings = split(line, ",");
-                String[] inputs = new String[inputStrings.size()];
+                final String[] inputs = new String[inputStrings.size()];
                 for (int i = 0; i < inputs.length; i++) {
                     inputs[i] = unescape(inputStrings.get(i)).trim();
                 }
@@ -160,7 +160,7 @@ public class SeunjeonFile extends DictionaryFile<SeunjeonItem> {
     }
 
     private static List<String> split(final String s, final String separator) {
-        final List<String> list = new ArrayList<String>(2);
+        final List<String> list = new ArrayList<>(2);
         StringBuilder sb = new StringBuilder();
         int pos = 0;
         final int end = s.length();

src/main/java/org/codelibs/fess/dict/synonym/SynonymFile.java

@@ -78,7 +78,7 @@ public class SynonymFile extends DictionaryFile<SynonymItem> {
         }
 
         if (offset >= synonymItemList.size() || offset < 0) {
-            return new PagingList<SynonymItem>(Collections.<SynonymItem> emptyList(), offset, size, synonymItemList.size());
+            return new PagingList<>(Collections.<SynonymItem> emptyList(), offset, size, synonymItemList.size());
         }
 
         int toIndex = offset + size;
@@ -86,7 +86,7 @@ public class SynonymFile extends DictionaryFile<SynonymItem> {
             toIndex = synonymItemList.size();
         }
 
-        return new PagingList<SynonymItem>(synonymItemList.subList(offset, toIndex), offset, size, synonymItemList.size());
+        return new PagingList<>(synonymItemList.subList(offset, toIndex), offset, size, synonymItemList.size());
     }
 
     @Override
@@ -114,7 +114,7 @@ public class SynonymFile extends DictionaryFile<SynonymItem> {
     }
 
     protected void reload(final SynonymUpdater updater, final InputStream in) {
-        final List<SynonymItem> itemList = new ArrayList<SynonymItem>();
+        final List<SynonymItem> itemList = new ArrayList<>();
         try (BufferedReader reader =
                 new BufferedReader(new InputStreamReader(in != null ? in : dictionaryManager.getContentInputStream(this), Constants.UTF_8))) {
             long id = 0;
@@ -197,7 +197,7 @@ public class SynonymFile extends DictionaryFile<SynonymItem> {
     }
 
     private static List<String> split(final String s, final String separator) {
-        final List<String> list = new ArrayList<String>(2);
+        final List<String> list = new ArrayList<>(2);
         StringBuilder sb = new StringBuilder();
         int pos = 0;
         final int end = s.length();

src/main/java/org/codelibs/fess/ds/DataStoreFactory.java

@@ -22,7 +22,7 @@ import java.util.Map;
 import java.util.Set;
 
 public class DataStoreFactory {
-    protected Map<String, DataStore> dataStoreMap = new LinkedHashMap<String, DataStore>();
+    protected Map<String, DataStore> dataStoreMap = new LinkedHashMap<>();
 
     public void add(final String name, final DataStore dataStore) {
         if (name == null || dataStore == null) {
@@ -37,7 +37,7 @@ public class DataStoreFactory {
 
     public List<String> getDataStoreNameList() {
         final Set<String> nameSet = dataStoreMap.keySet();
-        final List<String> nameList = new ArrayList<String>();
+        final List<String> nameList = new ArrayList<>();
         nameList.addAll(nameSet);
         return nameList;
     }

src/main/java/org/codelibs/fess/ds/impl/AbstractDataStoreImpl.java

@@ -61,7 +61,7 @@ public abstract class AbstractDataStoreImpl implements DataStore {
         final Map<String, String> paramMap = initParamMap;
 
         // default values
-        final Map<String, Object> defaultDataMap = new HashMap<String, Object>();
+        final Map<String, Object> defaultDataMap = new HashMap<>();
 
         // cid
         final String configId = config.getConfigId();
@@ -79,13 +79,13 @@ public abstract class AbstractDataStoreImpl implements DataStore {
         // boost
         defaultDataMap.put(fessConfig.getIndexFieldBoost(), config.getBoost().toString());
         // label: labelType
-        final List<String> labelTypeList = new ArrayList<String>();
+        final List<String> labelTypeList = new ArrayList<>();
         for (final String labelType : config.getLabelTypeValues()) {
             labelTypeList.add(labelType);
         }
         defaultDataMap.put(fessConfig.getIndexFieldLabel(), labelTypeList);
         // role: roleType
-        final List<String> roleTypeList = new ArrayList<String>();
+        final List<String> roleTypeList = new ArrayList<>();
         StreamUtil.of(config.getPermissions()).forEach(p -> roleTypeList.add(p));
         defaultDataMap.put(fessConfig.getIndexFieldRole(), roleTypeList);
         // mimetype

src/main/java/org/codelibs/fess/ds/impl/CsvDataStoreImpl.java

@@ -85,7 +85,7 @@ public class CsvDataStoreImpl extends AbstractDataStoreImpl {
 
     protected List<File> getCsvFileList(final Map<String, String> paramMap) {
         String value = paramMap.get(CSV_FILES_PARAM);
-        final List<File> fileList = new ArrayList<File>();
+        final List<File> fileList = new ArrayList<>();
         if (StringUtil.isBlank(value)) {
             value = paramMap.get(CSV_DIRS_PARAM);
             if (StringUtil.isBlank(value)) {
@@ -186,9 +186,9 @@ public class CsvDataStoreImpl extends AbstractDataStoreImpl {
             List<String> list;
             boolean loop = true;
             while ((list = csvReader.readValues()) != null && loop && alive) {
-                final Map<String, Object> dataMap = new HashMap<String, Object>();
+                final Map<String, Object> dataMap = new HashMap<>();
                 dataMap.putAll(defaultDataMap);
-                final Map<String, String> resultMap = new LinkedHashMap<String, String>();
+                final Map<String, String> resultMap = new LinkedHashMap<>();
                 resultMap.putAll(paramMap);
                 resultMap.put("csvfile", csvFile.getAbsolutePath());
                 resultMap.put("csvfilename", csvFile.getName());
@@ -258,7 +258,7 @@ public class CsvDataStoreImpl extends AbstractDataStoreImpl {
 
                     String url;
                     if (target instanceof DataStoreCrawlingException) {
-                        DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
+                        final DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
                         url = dce.getUrl();
                         if (dce.aborted()) {
                             loop = false;

src/main/java/org/codelibs/fess/ds/impl/CsvListDataStoreImpl.java

@@ -56,7 +56,7 @@ public class CsvListDataStoreImpl extends CsvDataStoreImpl {
         if (paramMap.containsKey(Constants.NUM_OF_THREADS)) {
             try {
                 nThreads = Integer.parseInt(paramMap.get(Constants.NUM_OF_THREADS));
-            } catch (NumberFormatException e) {
+            } catch (final NumberFormatException e) {
                 logger.warn(Constants.NUM_OF_THREADS + " is not int value.", e);
             }
         }
@@ -66,7 +66,7 @@ public class CsvListDataStoreImpl extends CsvDataStoreImpl {
                 new FileListIndexUpdateCallbackImpl(callback, crawlerClientFactory, nThreads)) {
             super.storeData(dataConfig, fileListIndexUpdateCallback, paramMap, scriptMap, defaultDataMap);
             fileListIndexUpdateCallback.commit();
-        } catch (Exception e) {
+        } catch (final Exception e) {
             throw new DataStoreException(e);
         }
     }

src/main/java/org/codelibs/fess/ds/impl/DatabaseDataStoreImpl.java

@@ -106,7 +106,7 @@ public class DatabaseDataStoreImpl extends AbstractDataStoreImpl {
             rs = stmt.executeQuery(sql); // SQL generated by an administrator
             boolean loop = true;
             while (rs.next() && loop && alive) {
-                final Map<String, Object> dataMap = new HashMap<String, Object>();
+                final Map<String, Object> dataMap = new HashMap<>();
                 dataMap.putAll(defaultDataMap);
                 for (final Map.Entry<String, String> entry : scriptMap.entrySet()) {
                     final Object convertValue = convertValue(entry.getValue(), rs, paramMap);
@@ -138,7 +138,7 @@ public class DatabaseDataStoreImpl extends AbstractDataStoreImpl {
 
                     String url;
                     if (target instanceof DataStoreCrawlingException) {
-                        DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
+                        final DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
                         url = dce.getUrl();
                         if (dce.aborted()) {
                             loop = false;

src/main/java/org/codelibs/fess/ds/impl/EsDataStoreImpl.java

@@ -90,14 +90,14 @@ public class EsDataStoreImpl extends AbstractDataStoreImpl {
                         .build();
         logger.info("Connecting to " + hostsStr + " with [" + settings.toDelimitedString(',') + "]");
         final InetSocketTransportAddress[] addresses = StreamUtil.of(hostsStr.split(",")).map(h -> {
-            String[] values = h.trim().split(":");
+            final String[] values = h.trim().split(":");
             try {
                 if (values.length == 1) {
                     return new InetSocketTransportAddress(InetAddress.getByName(values[0]), 9300);
                 } else if (values.length == 2) {
                     return new InetSocketTransportAddress(InetAddress.getByName(values[0]), Integer.parseInt(values[1]));
                 }
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 logger.warn("Failed to parse address: " + h, e);
             }
             return null;
@@ -151,7 +151,7 @@ public class EsDataStoreImpl extends AbstractDataStoreImpl {
                         break;
                     }
 
-                    final Map<String, Object> dataMap = new HashMap<String, Object>();
+                    final Map<String, Object> dataMap = new HashMap<>();
                     dataMap.putAll(defaultDataMap);
                     final Map<String, Object> resultMap = new LinkedHashMap<>();
                     resultMap.putAll(paramMap);
@@ -204,7 +204,7 @@ public class EsDataStoreImpl extends AbstractDataStoreImpl {
 
                         String url;
                         if (target instanceof DataStoreCrawlingException) {
-                            DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
+                            final DataStoreCrawlingException dce = (DataStoreCrawlingException) target;
                             url = dce.getUrl();
                             if (dce.aborted()) {
                                 loop = false;

src/main/java/org/codelibs/fess/ds/impl/EsListDataStoreImpl.java

@@ -36,7 +36,7 @@ public class EsListDataStoreImpl extends EsDataStoreImpl {
         if (paramMap.containsKey(Constants.NUM_OF_THREADS)) {
             try {
                 nThreads = Integer.parseInt(paramMap.get(Constants.NUM_OF_THREADS));
-            } catch (NumberFormatException e) {
+            } catch (final NumberFormatException e) {
                 logger.warn(Constants.NUM_OF_THREADS + " is not int value.", e);
             }
         }
@@ -46,7 +46,7 @@ public class EsListDataStoreImpl extends EsDataStoreImpl {
                 new FileListIndexUpdateCallbackImpl(callback, crawlerClientFactory, nThreads)) {
             super.storeData(dataConfig, fileListIndexUpdateCallback, paramMap, scriptMap, defaultDataMap);
             fileListIndexUpdateCallback.commit();
-        } catch (Exception e) {
+        } catch (final Exception e) {
             throw new DataStoreException(e);
         }
     }

src/main/java/org/codelibs/fess/ds/impl/FileListIndexUpdateCallbackImpl.java

@@ -54,11 +54,11 @@ public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback, Aut
 
     protected CrawlerClientFactory crawlerClientFactory;
 
-    protected List<String> deleteIdList = new ArrayList<String>(100);
+    protected List<String> deleteIdList = new ArrayList<>(100);
 
     protected int maxDeleteDocumentCacheSize = 100;
 
-    private ExecutorService executor;
+    private final ExecutorService executor;
 
     protected FileListIndexUpdateCallbackImpl(final IndexUpdateCallback indexUpdateCallback,
             final CrawlerClientFactory crawlerClientFactory, final int nThreads) {
@@ -67,7 +67,7 @@ public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback, Aut
         executor = newFixedThreadPool(nThreads < 1 ? 1 : nThreads);
     }
 
-    protected ExecutorService newFixedThreadPool(int nThreads) {
+    protected ExecutorService newFixedThreadPool(final int nThreads) {
         if (logger.isDebugEnabled()) {
             logger.debug("Executor Thread Pool: " + nThreads);
         }
@@ -92,7 +92,7 @@ public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback, Aut
         });
     }
 
-    protected String getParamValue(Map<String, String> paramMap, String key, String defaultValue) {
+    protected String getParamValue(final Map<String, String> paramMap, final String key, final String defaultValue) {
         return paramMap.getOrDefault(key, defaultValue);
     }
 
@@ -118,7 +118,7 @@ public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback, Aut
                 if (dataMap.containsKey(Constants.SESSION_ID)) {
                     responseData.setSessionId((String) dataMap.get(Constants.SESSION_ID));
                 } else {
-                    responseData.setSessionId((String) paramMap.get(Constants.CRAWLING_INFO_ID));
+                    responseData.setSessionId(paramMap.get(Constants.CRAWLING_INFO_ID));
                 }
 
                 final RuleManager ruleManager = SingletonLaContainer.getComponent(RuleManager.class);
@@ -221,7 +221,7 @@ public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback, Aut
         return indexUpdateCallback.getExecuteTime();
     }
 
-    public void setMaxDeleteDocumentCacheSize(int maxDeleteDocumentCacheSize) {
+    public void setMaxDeleteDocumentCacheSize(final int maxDeleteDocumentCacheSize) {
         this.maxDeleteDocumentCacheSize = maxDeleteDocumentCacheSize;
     }
 

src/main/java/org/codelibs/fess/entity/FacetQueryView.java

@@ -21,7 +21,7 @@ import java.util.Map;
 public class FacetQueryView {
     protected String title;
 
-    protected Map<String, String> queryMap = new LinkedHashMap<String, String>();
+    protected Map<String, String> queryMap = new LinkedHashMap<>();
 
     public String getTitle() {
         return title;

src/main/java/org/codelibs/fess/entity/GeoInfo.java

@@ -36,7 +36,7 @@ public class GeoInfo {
 
     private QueryBuilder builder;
 
-    public GeoInfo(HttpServletRequest request) {
+    public GeoInfo(final HttpServletRequest request) {
 
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
         final String[] geoFields = fessConfig.getQueryGeoFieldsAsArray();
@@ -48,9 +48,9 @@ public class GeoInfo {
                 .forEach(
                         e -> {
                             final String key = e.getKey();
-                            for (String geoField : geoFields) {
+                            for (final String geoField : geoFields) {
                                 if (key.startsWith("geo." + geoField + ".")) {
-                                    String distanceKey = key.replaceFirst(".point$", ".distance");
+                                    final String distanceKey = key.replaceFirst(".point$", ".distance");
                                     final String distance = request.getParameter(distanceKey);
                                     if (StringUtil.isNotBlank(distance)) {
                                         StreamUtil.of(e.getValue()).forEach(
@@ -60,14 +60,14 @@ public class GeoInfo {
                                                         list = new ArrayList<>();
                                                         geoMap.put(geoField, list);
                                                     }
-                                                    String[] values = pt.split(",");
+                                                    final String[] values = pt.split(",");
                                                     if (values.length == 2) {
                                                         try {
-                                                            double lat = Double.parseDouble(values[0]);
-                                                            double lon = Double.parseDouble(values[1]);
+                                                            final double lat = Double.parseDouble(values[0]);
+                                                            final double lon = Double.parseDouble(values[1]);
                                                             list.add(QueryBuilders.geoDistanceQuery(geoField).distance(distance).lat(lat)
                                                                     .lon(lon));
-                                                        } catch (Exception ex) {
+                                                        } catch (final Exception ex) {
                                                             throw new InvalidQueryException(messages -> messages
                                                                     .addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY), ex
                                                                     .getLocalizedMessage());
@@ -84,11 +84,11 @@ public class GeoInfo {
                             }
                         });
 
-        QueryBuilder[] queryBuilders = geoMap.values().stream().map(list -> {
+        final QueryBuilder[] queryBuilders = geoMap.values().stream().map(list -> {
             if (list.size() == 1) {
                 return list.get(0);
             } else if (list.size() > 1) {
-                BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
+                final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
                 list.forEach(q -> boolQuery.should(q));
                 return boolQuery;
             }
@@ -98,7 +98,7 @@ public class GeoInfo {
         if (queryBuilders.length == 1) {
             builder = queryBuilders[0];
         } else if (queryBuilders.length > 1) {
-            BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
+            final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
             StreamUtil.of(queryBuilders).forEach(q -> boolQuery.must(q));
             builder = boolQuery;
         }

src/main/java/org/codelibs/fess/entity/SearchRequestParams.java

@@ -49,43 +49,43 @@ public interface SearchRequestParams {
 
     Locale getLocale();
 
-    public default String[] simplifyArray(String[] values) {
+    public default String[] simplifyArray(final String[] values) {
         return StreamUtil.of(values).filter(q -> StringUtil.isNotBlank(q)).distinct().toArray(n -> new String[n]);
     }
 
-    public default String[] getParamValueArray(HttpServletRequest request, String param) {
+    public default String[] getParamValueArray(final HttpServletRequest request, final String param) {
         return simplifyArray(request.getParameterValues(param));
     }
 
-    public default FacetInfo createFacetInfo(HttpServletRequest request) {
-        String[] fields = getParamValueArray(request, "facet.field");
-        String[] queries = getParamValueArray(request, "facet.query");
+    public default FacetInfo createFacetInfo(final HttpServletRequest request) {
+        final String[] fields = getParamValueArray(request, "facet.field");
+        final String[] queries = getParamValueArray(request, "facet.query");
         if (fields.length == 0 && queries.length == 0) {
             return null;
         }
-        FacetInfo facetInfo = new FacetInfo();
+        final FacetInfo facetInfo = new FacetInfo();
         facetInfo.field = fields;
         facetInfo.query = queries;
-        String sizeStr = request.getParameter("facet.size");
+        final String sizeStr = request.getParameter("facet.size");
         if (StringUtil.isNotBlank(sizeStr)) {
             facetInfo.size = Integer.parseInt(sizeStr);
         }
-        String minDocCountStr = request.getParameter("facet.minDocCount");
+        final String minDocCountStr = request.getParameter("facet.minDocCount");
         if (StringUtil.isNotBlank(minDocCountStr)) {
             facetInfo.minDocCount = Long.parseLong(minDocCountStr);
         }
-        String sort = request.getParameter("facet.sort");
+        final String sort = request.getParameter("facet.sort");
         if (StringUtil.isNotBlank(sort)) {
             facetInfo.sort = sort;
         }
-        String missing = request.getParameter("facet.missing");
+        final String missing = request.getParameter("facet.missing");
         if (StringUtil.isNotBlank(missing)) {
             facetInfo.missing = missing;
         }
         return facetInfo;
     }
 
-    public default GeoInfo createGeoInfo(HttpServletRequest request) {
+    public default GeoInfo createGeoInfo(final HttpServletRequest request) {
         return new GeoInfo(request);
     }
 }

src/main/java/org/codelibs/fess/es/client/FessEsClient.java

@@ -310,7 +310,7 @@ public class FessEsClient implements Client {
                 final String configType = values[1];
                 boolean exists = false;
                 try {
-                    IndicesExistsResponse response =
+                    final IndicesExistsResponse response =
                             client.admin().indices().prepareExists(configIndex).execute().actionGet(fessConfig.getIndexSearchTimeout());
                     exists = response.isExists();
                 } catch (final Exception e) {
@@ -369,13 +369,13 @@ public class FessEsClient implements Client {
                 // alias
                 final String aliasConfigDirPath = indexConfigPath + "/" + configIndex + "/alias";
                 try {
-                    File aliasConfigDir = ResourceUtil.getResourceAsFile(aliasConfigDirPath);
+                    final File aliasConfigDir = ResourceUtil.getResourceAsFile(aliasConfigDirPath);
                     if (aliasConfigDir.isDirectory()) {
                         StreamUtil.of(aliasConfigDir.listFiles((dir, name) -> name.endsWith(".json"))).forEach(
                                 f -> {
                                     final String aliasName = f.getName().replaceFirst(".json$", "");
                                     final String source = FileUtil.readUTF8(f);
-                                    IndicesAliasesResponse response =
+                                    final IndicesAliasesResponse response =
                                             client.admin().indices().prepareAliases().addAlias(configIndex, aliasName, source).execute()
                                                     .actionGet(fessConfig.getIndexIndicesTimeout());
                                     if (response.isAcknowledged()) {
@@ -385,9 +385,9 @@ public class FessEsClient implements Client {
                                     }
                                 });
                     }
-                } catch (ResourceNotFoundRuntimeException e) {
+                } catch (final ResourceNotFoundRuntimeException e) {
                     // ignore
-                } catch (Exception e) {
+                } catch (final Exception e) {
                     logger.warn(aliasConfigDirPath + " is not found.", e);
                 }
             }
@@ -486,7 +486,7 @@ public class FessEsClient implements Client {
         try {
             client.admin().indices().prepareFlush().setForce(true).execute()
                     .actionGet(ComponentUtil.getFessConfig().getIndexIndicesTimeout());
-        } catch (Exception e) {
+        } catch (final Exception e) {
             logger.warn("Failed to flush indices.", e);
         }
         try {

src/main/java/org/codelibs/fess/es/config/exentity/DataConfig.java

@@ -185,7 +185,7 @@ public class DataConfig extends BsDataConfig implements CrawlingConfig {
     public void initializeClientFactory(final CrawlerClientFactory crawlerClientFactory) {
         final Map<String, String> paramMap = getHandlerParameterMap();
 
-        final Map<String, Object> factoryParamMap = new HashMap<String, Object>();
+        final Map<String, Object> factoryParamMap = new HashMap<>();
         crawlerClientFactory.setInitParameterMap(factoryParamMap);
 
         // parameters
@@ -206,7 +206,7 @@ public class DataConfig extends BsDataConfig implements CrawlingConfig {
         final String webAuthStr = paramMap.get(CRAWLER_WEB_AUTH);
         if (StringUtil.isNotBlank(webAuthStr)) {
             final String[] webAuthNames = webAuthStr.split(",");
-            final List<Authentication> basicAuthList = new ArrayList<Authentication>();
+            final List<Authentication> basicAuthList = new ArrayList<>();
             for (final String webAuthName : webAuthNames) {
                 final String scheme = paramMap.get(CRAWLER_WEB_AUTH + "." + webAuthName + ".scheme");
                 final String hostname = paramMap.get(CRAWLER_WEB_AUTH + "." + webAuthName + ".host");
@@ -272,8 +272,7 @@ public class DataConfig extends BsDataConfig implements CrawlingConfig {
         }
 
         // request header
-        final List<org.codelibs.fess.crawler.client.http.RequestHeader> rhList =
-                new ArrayList<org.codelibs.fess.crawler.client.http.RequestHeader>();
+        final List<org.codelibs.fess.crawler.client.http.RequestHeader> rhList = new ArrayList<>();
         int count = 1;
         String headerName = paramMap.get(CRAWLER_WEB_HEADER_PREFIX + count + ".name");
         while (StringUtil.isNotBlank(headerName)) {

src/main/java/org/codelibs/fess/es/config/exentity/FileAuthentication.java

@@ -53,7 +53,7 @@ public class FileAuthentication extends BsFileAuthentication {
             final FileConfigService fileConfigService = ComponentUtil.getComponent(FileConfigService.class);
             try {
                 fileConfig = fileConfigService.getFileConfig(getFileConfigId()).get();
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 logger.warn("File Config " + getFileConfigId() + " does not exist.", e);
             }
         }

src/main/java/org/codelibs/fess/es/config/exentity/FileConfig.java

@@ -146,7 +146,7 @@ public class FileConfig extends BsFileConfig implements CrawlingConfig {
 
         if (includedDocPathPatterns == null) {
             if (StringUtil.isNotBlank(getIncludedDocPaths())) {
-                final List<Pattern> pathPatterList = new ArrayList<Pattern>();
+                final List<Pattern> pathPatterList = new ArrayList<>();
                 final String[] paths = getIncludedDocPaths().split("[\r\n]");
                 for (final String u : paths) {
                     if (StringUtil.isNotBlank(u) && !u.trim().startsWith("#")) {
@@ -161,7 +161,7 @@ public class FileConfig extends BsFileConfig implements CrawlingConfig {
 
         if (excludedDocPathPatterns == null) {
             if (StringUtil.isNotBlank(getExcludedDocPaths())) {
-                final List<Pattern> pathPatterList = new ArrayList<Pattern>();
+                final List<Pattern> pathPatterList = new ArrayList<>();
                 final String[] paths = getExcludedDocPaths().split("[\r\n]");
                 for (final String u : paths) {
                     if (StringUtil.isNotBlank(u) && !u.trim().startsWith("#")) {
@@ -202,7 +202,7 @@ public class FileConfig extends BsFileConfig implements CrawlingConfig {
         final FileAuthenticationService fileAuthenticationService = ComponentUtil.getComponent(FileAuthenticationService.class);
 
         //  Parameters
-        final Map<String, Object> paramMap = new HashMap<String, Object>();
+        final Map<String, Object> paramMap = new HashMap<>();
         clientFactory.setInitParameterMap(paramMap);
 
         final Map<String, String> clientConfigMap = getConfigParameterMap(ConfigName.CLIENT);

src/main/java/org/codelibs/fess/es/config/exentity/RequestHeader.java

@@ -57,7 +57,7 @@ public class RequestHeader extends BsRequestHeader {
             final WebConfigService webConfigService = ComponentUtil.getComponent(WebConfigService.class);
             try {
                 webConfig = webConfigService.getWebConfig(getWebConfigId()).get();
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 logger.warn("Web Config " + getWebConfigId() + " does not exist.", e);
             }
         }

src/main/java/org/codelibs/fess/es/config/exentity/WebAuthentication.java

@@ -110,7 +110,7 @@ public class WebAuthentication extends BsWebAuthentication {
             final WebConfigService webConfigService = ComponentUtil.getComponent(WebConfigService.class);
             try {
                 webConfig = webConfigService.getWebConfig(getWebConfigId()).get();
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 logger.warn("Web Config " + getWebConfigId() + " does not exist.", e);
             }
         }

src/main/java/org/codelibs/fess/es/config/exentity/WebConfig.java

@@ -145,7 +145,7 @@ public class WebConfig extends BsWebConfig implements CrawlingConfig {
 
         if (includedDocUrlPatterns == null) {
             if (StringUtil.isNotBlank(getIncludedDocUrls())) {
-                final List<Pattern> urlPatterList = new ArrayList<Pattern>();
+                final List<Pattern> urlPatterList = new ArrayList<>();
                 final String[] urls = getIncludedDocUrls().split("[\r\n]");
                 for (final String u : urls) {
                     if (StringUtil.isNotBlank(u) && !u.trim().startsWith("#")) {
@@ -160,7 +160,7 @@ public class WebConfig extends BsWebConfig implements CrawlingConfig {
 
         if (excludedDocUrlPatterns == null) {
             if (StringUtil.isNotBlank(getExcludedDocUrls())) {
-                final List<Pattern> urlPatterList = new ArrayList<Pattern>();
+                final List<Pattern> urlPatterList = new ArrayList<>();
                 final String[] urls = getExcludedDocUrls().split("[\r\n]");
                 for (final String u : urls) {
                     if (StringUtil.isNotBlank(u) && !u.trim().startsWith("#")) {
@@ -202,7 +202,7 @@ public class WebConfig extends BsWebConfig implements CrawlingConfig {
         final RequestHeaderService requestHeaderService = ComponentUtil.getComponent(RequestHeaderService.class);
 
         // HttpClient Parameters
-        final Map<String, Object> paramMap = new HashMap<String, Object>();
+        final Map<String, Object> paramMap = new HashMap<>();
         clientFactory.setInitParameterMap(paramMap);
 
         final Map<String, String> clientConfigMap = getConfigParameterMap(ConfigName.CLIENT);
@@ -216,7 +216,7 @@ public class WebConfig extends BsWebConfig implements CrawlingConfig {
         }
 
         final List<WebAuthentication> webAuthList = webAuthenticationService.getWebAuthenticationList(getId());
-        final List<Authentication> basicAuthList = new ArrayList<Authentication>();
+        final List<Authentication> basicAuthList = new ArrayList<>();
         for (final WebAuthentication webAuth : webAuthList) {
             basicAuthList.add(webAuth.getAuthentication());
         }
@@ -224,8 +224,7 @@ public class WebConfig extends BsWebConfig implements CrawlingConfig {
 
         // request header
         final List<RequestHeader> requestHeaderList = requestHeaderService.getRequestHeaderList(getId());
-        final List<org.codelibs.fess.crawler.client.http.RequestHeader> rhList =
-                new ArrayList<org.codelibs.fess.crawler.client.http.RequestHeader>();
+        final List<org.codelibs.fess.crawler.client.http.RequestHeader> rhList = new ArrayList<>();
         for (final RequestHeader requestHeader : requestHeaderList) {
             rhList.add(requestHeader.getCrawlerRequestHeader());
         }

src/main/java/org/codelibs/fess/exception/ContainerNotAvailableException.java

@@ -19,7 +19,7 @@ public class ContainerNotAvailableException extends FessSystemException {
 
     private static final long serialVersionUID = 1L;
 
-    public ContainerNotAvailableException(Throwable cause) {
+    public ContainerNotAvailableException(final Throwable cause) {
         super(cause);
     }
 

src/main/java/org/codelibs/fess/exception/DataStoreCrawlingException.java

@@ -23,7 +23,7 @@ public class DataStoreCrawlingException extends CrawlingAccessException {
 
     private final String url;
 
-    private boolean abort;
+    private final boolean abort;
 
     public DataStoreCrawlingException(final String url, final String message, final Exception e) {
         this(url, message, e, false);

src/main/java/org/codelibs/fess/exec/Crawler.java

@@ -169,7 +169,7 @@ public class Crawler implements Serializable {
                 System.getProperties().entrySet().stream().forEach(e -> logger.debug("Property: " + e.getKey() + "=" + e.getValue()));
                 System.getenv().entrySet().forEach(e -> logger.debug("Env: " + e.getKey() + "=" + e.getValue()));
                 logger.debug("Option: " + options);
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 // ignore
             }
         }

src/main/java/org/codelibs/fess/exec/SuggestCreator.java

@@ -87,7 +87,7 @@ public class SuggestCreator implements Serializable {
                 System.getProperties().entrySet().stream().forEach(e -> logger.debug("Property: " + e.getKey() + "=" + e.getValue()));
                 System.getenv().entrySet().forEach(e -> logger.debug("Env: " + e.getKey() + "=" + e.getValue()));
                 logger.debug("Option: " + options);
-            } catch (Exception e) {
+            } catch (final Exception e) {
                 // ignore
             }
         }

src/main/java/org/codelibs/fess/helper/ActivityHelper.java

@@ -102,7 +102,7 @@ public class ActivityHelper {
         LOGIN, LOGOUT, ACCESS;
     }
 
-    public void setLoggerName(String loggerName) {
+    public void setLoggerName(final String loggerName) {
         this.loggerName = loggerName;
     }
 }

src/main/java/org/codelibs/fess/helper/CrawlingConfigHelper.java

@@ -34,7 +34,7 @@ public class CrawlingConfigHelper implements Serializable {
 
     private static final Logger logger = LoggerFactory.getLogger(CrawlingConfigHelper.class);
 
-    protected final Map<String, CrawlingConfig> crawlingConfigMap = new ConcurrentHashMap<String, CrawlingConfig>();
+    protected final Map<String, CrawlingConfig> crawlingConfigMap = new ConcurrentHashMap<>();
 
     protected int count = 1;
 

src/main/java/org/codelibs/fess/helper/CrawlingInfoHelper.java

@@ -81,7 +81,7 @@ public class CrawlingInfoHelper implements Serializable {
         }
 
         if (infoMap != null) {
-            final List<CrawlingInfoParam> crawlingInfoParamList = new ArrayList<CrawlingInfoParam>();
+            final List<CrawlingInfoParam> crawlingInfoParamList = new ArrayList<>();
             for (final Map.Entry<String, String> entry : infoMap.entrySet()) {
                 final CrawlingInfoParam crawlingInfoParam = new CrawlingInfoParam();
                 crawlingInfoParam.setCrawlingInfoId(crawlingInfo.getId());
@@ -144,7 +144,7 @@ public class CrawlingInfoHelper implements Serializable {
 
     public Map<String, String> getInfoMap(final String sessionId) {
         final List<CrawlingInfoParam> crawlingInfoParamList = getCrawlingInfoService().getLastCrawlingInfoParamList(sessionId);
-        final Map<String, String> map = new HashMap<String, String>();
+        final Map<String, String> map = new HashMap<>();
         for (final CrawlingInfoParam crawlingInfoParam : crawlingInfoParamList) {
             map.put(crawlingInfoParam.getKey(), crawlingInfoParam.getValue());
         }
@@ -173,11 +173,11 @@ public class CrawlingInfoHelper implements Serializable {
                     queryRequestBuilder.setPreference(Constants.SEARCH_PREFERENCE_PRIMARY);
                     return true;
                 }, (queryRequestBuilder, execTime, searchResponse) -> {
-                    final List<Map<String, String>> sessionIdList = new ArrayList<Map<String, String>>();
+                    final List<Map<String, String>> sessionIdList = new ArrayList<>();
                     searchResponse.ifPresent(response -> {
                         final Terms terms = response.getAggregations().get(fessConfig.getIndexFieldSegment());
                         for (final Bucket bucket : terms.getBuckets()) {
-                            final Map<String, String> map = new HashMap<String, String>(2);
+                            final Map<String, String> map = new HashMap<>(2);
                             map.put(fessConfig.getIndexFieldSegment(), bucket.getKey().toString());
                             map.put(FACET_COUNT_KEY, Long.toString(bucket.getDocCount()));
                             sessionIdList.add(map);

src/main/java/org/codelibs/fess/helper/DataIndexHelper.java

@@ -92,16 +92,16 @@ public class DataIndexHelper implements Serializable {
     }
 
     protected void doCrawl(final String sessionId, final List<DataConfig> configList) {
-        int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();
+        final int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();
 
         final long startTime = System.currentTimeMillis();
 
         final IndexUpdateCallback indexUpdateCallback = ComponentUtil.getComponent(IndexUpdateCallback.class);
 
-        final List<String> sessionIdList = new ArrayList<String>();
-        final Map<String, String> initParamMap = new HashMap<String, String>();
+        final List<String> sessionIdList = new ArrayList<>();
+        final Map<String, String> initParamMap = new HashMap<>();
         dataCrawlingThreadList.clear();
-        final List<String> dataCrawlingThreadStatusList = new ArrayList<String>();
+        final List<String> dataCrawlingThreadStatusList = new ArrayList<>();
         for (final DataConfig dataConfig : configList) {
             final String sid = crawlingConfigHelper.store(sessionId, dataConfig);
             sessionIdList.add(sid);

src/main/java/org/codelibs/fess/helper/DuplicateHostHelper.java

@@ -34,7 +34,7 @@ public class DuplicateHostHelper implements Serializable {
     @PostConstruct
     public void init() {
         if (duplicateHostList == null) {
-            duplicateHostList = new ArrayList<DuplicateHost>();
+            duplicateHostList = new ArrayList<>();
         }
         final DuplicateHostService duplicateHostService = ComponentUtil.getComponent(DuplicateHostService.class);
         duplicateHostList.addAll(duplicateHostService.getDuplicateHostList());
@@ -46,7 +46,7 @@ public class DuplicateHostHelper implements Serializable {
 
     public void add(final DuplicateHost duplicateHost) {
         if (duplicateHostList == null) {
-            duplicateHostList = new ArrayList<DuplicateHost>();
+            duplicateHostList = new ArrayList<>();
         }
         duplicateHostList.add(duplicateHost);
     }

src/main/java/org/codelibs/fess/helper/FileTypeHelper.java

@@ -24,7 +24,7 @@ public class FileTypeHelper {
 
     protected String defaultValue = "others";
 
-    protected Map<String, String> mimetypeMap = new HashMap<String, String>();
+    protected Map<String, String> mimetypeMap = new HashMap<>();
 
     public void add(final String mimetype, final String filetype) {
         mimetypeMap.put(mimetype, filetype);

src/main/java/org/codelibs/fess/helper/IntervalControlHelper.java

@@ -26,7 +26,7 @@ public class IntervalControlHelper {
 
     public long crawlerWaitMillis = 10000;
 
-    protected List<IntervalRule> ruleList = new ArrayList<IntervalRule>();
+    protected List<IntervalRule> ruleList = new ArrayList<>();
 
     public void checkCrawlerStatus() {
         while (!crawlerRunning) {
@@ -102,7 +102,7 @@ public class IntervalControlHelper {
             toHours = tints[0];
             toMinutes = tints[1];
             final String[] values = days.split(",");
-            final List<Integer> list = new ArrayList<Integer>();
+            final List<Integer> list = new ArrayList<>();
             for (final String value : values) {
                 try {
                     list.add(Integer.parseInt(value.trim()));

src/main/java/org/codelibs/fess/helper/JobHelper.java

@@ -121,12 +121,12 @@ public class JobHelper {
         }
     }
 
-    public boolean isAvailable(String id) {
+    public boolean isAvailable(final String id) {
         return ComponentUtil.getComponent(ScheduledJobBhv.class).selectByPK(id).filter(e -> Boolean.TRUE.equals(e.getAvailable()))
                 .isPresent();
     }
 
-    public void store(JobLog jobLog) {
+    public void store(final JobLog jobLog) {
         ComponentUtil.getComponent(JobLogBhv.class).insertOrUpdate(jobLog, op -> {
             op.setRefresh(true);
         });

src/main/java/org/codelibs/fess/helper/LabelTypeHelper.java

@@ -44,7 +44,7 @@ public class LabelTypeHelper implements Serializable {
     @Resource
     protected RoleQueryHelper roleQueryHelper;
 
-    protected volatile List<LabelTypeItem> labelTypeItemList = new ArrayList<LabelTypeItem>();
+    protected volatile List<LabelTypeItem> labelTypeItemList = new ArrayList<>();
 
     protected volatile List<LabelTypePattern> labelTypePatternList;
 
@@ -63,7 +63,7 @@ public class LabelTypeHelper implements Serializable {
     }
 
     private void buildLabelTypeItems(final List<LabelType> labelTypeList) {
-        final List<LabelTypeItem> itemList = new ArrayList<LabelTypeItem>();
+        final List<LabelTypeItem> itemList = new ArrayList<>();
         for (final LabelType labelType : labelTypeList) {
             final LabelTypeItem item = new LabelTypeItem();
             item.setLabel(labelType.getName());
@@ -79,11 +79,11 @@ public class LabelTypeHelper implements Serializable {
             init();
         }
 
-        final List<Map<String, String>> itemList = new ArrayList<Map<String, String>>();
+        final List<Map<String, String>> itemList = new ArrayList<>();
         final Set<String> roleSet = roleQueryHelper.build();
         if (roleSet.isEmpty()) {
             for (final LabelTypeItem item : labelTypeItemList) {
-                final Map<String, String> map = new HashMap<String, String>(2);
+                final Map<String, String> map = new HashMap<>(2);
                 map.put(Constants.ITEM_LABEL, item.getLabel());
                 map.put(Constants.ITEM_VALUE, item.getValue());
                 itemList.add(map);
@@ -92,7 +92,7 @@ public class LabelTypeHelper implements Serializable {
             for (final LabelTypeItem item : labelTypeItemList) {
                 for (final String roleValue : roleSet) {
                     if (item.getRoleValueList().contains(roleValue)) {
-                        final Map<String, String> map = new HashMap<String, String>(2);
+                        final Map<String, String> map = new HashMap<>(2);
                         map.put(Constants.ITEM_LABEL, item.getLabel());
                         map.put(Constants.ITEM_VALUE, item.getValue());
                         itemList.add(map);
@@ -110,7 +110,7 @@ public class LabelTypeHelper implements Serializable {
             synchronized (this) {
                 if (labelTypePatternList == null) {
                     final List<LabelType> labelTypeList = getLabelTypeService().getLabelTypeList();
-                    final List<LabelTypePattern> list = new ArrayList<LabelTypePattern>();
+                    final List<LabelTypePattern> list = new ArrayList<>();
                     for (final LabelType labelType : labelTypeList) {
                         final String includedPaths = labelType.getIncludedPaths();
                         final String excludedPaths = labelType.getExcludedPaths();
@@ -132,7 +132,7 @@ public class LabelTypeHelper implements Serializable {
             return Collections.emptySet();
         }
 
-        final Set<String> valueSet = new HashSet<String>();
+        final Set<String> valueSet = new HashSet<>();
         for (final LabelTypePattern pattern : labelTypePatternList) {
             if (pattern.match(path)) {
                 valueSet.add(pattern.getValue());

src/main/java/org/codelibs/fess/helper/PathMappingHelper.java

@@ -37,7 +37,7 @@ public class PathMappingHelper implements Serializable {
 
     private static final Logger logger = LoggerFactory.getLogger(PathMappingHelper.class);
 
-    private final Map<String, List<PathMapping>> pathMappingMap = new HashMap<String, List<PathMapping>>();
+    private final Map<String, List<PathMapping>> pathMappingMap = new HashMap<>();
 
     volatile List<PathMapping> cachedPathMappingList = null;
 

src/main/java/org/codelibs/fess/helper/PermissionHelper.java

@@ -46,7 +46,7 @@ public class PermissionHelper {
         return permission;
     }
 
-    public String decode(String value) {
+    public String decode(final String value) {
         if (StringUtil.isBlank(value)) {
             return null;
         }
@@ -62,15 +62,15 @@ public class PermissionHelper {
         return value;
     }
 
-    public void setRolePrefix(String rolePrefix) {
+    public void setRolePrefix(final String rolePrefix) {
         this.rolePrefix = rolePrefix;
     }
 
-    public void setGroupPrefix(String groupPrefix) {
+    public void setGroupPrefix(final String groupPrefix) {
         this.groupPrefix = groupPrefix;
     }
 
-    public void setUserPrefix(String userPrefix) {
+    public void setUserPrefix(final String userPrefix) {
         this.userPrefix = userPrefix;
     }
 }

src/main/java/org/codelibs/fess/helper/PopularWordHelper.java

@@ -64,7 +64,7 @@ public class PopularWordHelper {
             return cache.get(
                     getCacheKey(baseSeed, baseTags, baseRoles, baseFields, baseExcludes),
                     () -> {
-                        final List<String> wordList = new ArrayList<String>();
+                        final List<String> wordList = new ArrayList<>();
                         final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();
                         final PopularWordsRequestBuilder popularWordsRequestBuilder =
                                 suggestHelper.suggester().popularWords()

src/main/java/org/codelibs/fess/helper/QueryHelper.java

@@ -748,7 +748,7 @@ public class QueryHelper implements Serializable {
         }
 
         final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
-        final Map<String, String[]> queryParamMap = new HashMap<String, String[]>();
+        final Map<String, String[]> queryParamMap = new HashMap<>();
         for (final Map.Entry<String, String[]> entry : queryRequestHeaderMap.entrySet()) {
             final String[] values = entry.getValue();
             final String[] newValues = new String[values.length];

src/main/java/org/codelibs/fess/helper/RoleQueryHelper.java

@@ -218,7 +218,7 @@ public class RoleQueryHelper {
 
     public void addCookieNameMapping(final String cookieName, final String roleName) {
         if (cookieNameMap == null) {
-            cookieNameMap = new HashMap<String, String>();
+            cookieNameMap = new HashMap<>();
         }
         cookieNameMap.put(cookieName, roleName);
     }

src/main/java/org/codelibs/fess/helper/SearchLogHelper.java

@@ -65,15 +65,15 @@ public class SearchLogHelper {
 
     public int userInfoCacheSize = 1000;
 
-    protected volatile Queue<SearchLog> searchLogQueue = new ConcurrentLinkedQueue<SearchLog>();
+    protected volatile Queue<SearchLog> searchLogQueue = new ConcurrentLinkedQueue<>();
 
-    protected volatile Queue<ClickLog> clickLogQueue = new ConcurrentLinkedQueue<ClickLog>();
+    protected volatile Queue<ClickLog> clickLogQueue = new ConcurrentLinkedQueue<>();
 
     protected Map<String, Long> userInfoCache;
 
     @PostConstruct
     public void init() {
-        userInfoCache = new LruHashMap<String, Long>(userInfoCacheSize);
+        userInfoCache = new LruHashMap<>(userInfoCacheSize);
     }
 
     public void addSearchLog(final LocalDateTime requestedTime, final String queryId, final String query, final int pageStart,
@@ -139,13 +139,13 @@ public class SearchLogHelper {
     public void storeSearchLog() {
         if (!searchLogQueue.isEmpty()) {
             final Queue<SearchLog> queue = searchLogQueue;
-            searchLogQueue = new ConcurrentLinkedQueue<SearchLog>();
+            searchLogQueue = new ConcurrentLinkedQueue<>();
             processSearchLogQueue(queue);
         }
 
         if (!clickLogQueue.isEmpty()) {
             final Queue<ClickLog> queue = clickLogQueue;
-            clickLogQueue = new ConcurrentLinkedQueue<ClickLog>();
+            clickLogQueue = new ConcurrentLinkedQueue<>();
             processClickLogQueue(queue);
         }
     }

src/main/java/org/codelibs/fess/helper/SystemHelper.java

@@ -61,7 +61,7 @@ public class SystemHelper implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    protected final Map<String, String> designJspFileNameMap = new HashMap<String, String>();
+    protected final Map<String, String> designJspFileNameMap = new HashMap<>();
 
     protected final AtomicBoolean forceStop = new AtomicBoolean(false);
 

src/main/java/org/codelibs/fess/helper/UserInfoHelper.java

@@ -113,7 +113,7 @@ public class UserInfoHelper {
         if (session != null) {
             final FessConfig fessConfig = ComponentUtil.getFessConfig();
 
-            final List<String> docIdList = new ArrayList<String>();
+            final List<String> docIdList = new ArrayList<>();
             for (final Map<String, Object> map : documentItems) {
                 final Object docId = map.get(fessConfig.getIndexFieldDocId());
                 if (docId != null && docId.toString().length() > 0) {
@@ -144,7 +144,7 @@ public class UserInfoHelper {
         @SuppressWarnings("unchecked")
         Map<String, String[]> resultDocIdsCache = (Map<String, String[]>) session.getAttribute(Constants.RESULT_DOC_ID_CACHE);
         if (resultDocIdsCache == null) {
-            resultDocIdsCache = new LruHashMap<String, String[]>(resultDocIdsCacheSize);
+            resultDocIdsCache = new LruHashMap<>(resultDocIdsCacheSize);
             session.setAttribute(Constants.RESULT_DOC_ID_CACHE, resultDocIdsCache);
         }
         return resultDocIdsCache;

src/main/java/org/codelibs/fess/helper/ViewHelper.java

@@ -125,13 +125,13 @@ public class ViewHelper implements Serializable {
 
     protected boolean useSession = true;
 
-    private final Map<String, String> pageCacheMap = new ConcurrentHashMap<String, String>();
+    private final Map<String, String> pageCacheMap = new ConcurrentHashMap<>();
 
-    private final Map<String, String> initFacetParamMap = new HashMap<String, String>();
+    private final Map<String, String> initFacetParamMap = new HashMap<>();
 
-    private final Map<String, String> initGeoParamMap = new HashMap<String, String>();
+    private final Map<String, String> initGeoParamMap = new HashMap<>();
 
-    private final List<FacetQueryView> facetQueryViewList = new ArrayList<FacetQueryView>();
+    private final List<FacetQueryView> facetQueryViewList = new ArrayList<>();
 
     public String cacheTemplateName = "cache";
 

src/main/java/org/codelibs/fess/helper/WebFsIndexHelper.java

@@ -128,16 +128,16 @@ public class WebFsIndexHelper implements Serializable {
     }
 
     protected void doCrawl(final String sessionId, final List<WebConfig> webConfigList, final List<FileConfig> fileConfigList) {
-        int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();
+        final int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();
 
         final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
 
         final long startTime = System.currentTimeMillis();
 
-        final List<String> sessionIdList = new ArrayList<String>();
+        final List<String> sessionIdList = new ArrayList<>();
         crawlerList.clear();
-        final List<String> crawlerStatusList = new ArrayList<String>();
+        final List<String> crawlerStatusList = new ArrayList<>();
         // Web
         for (final WebConfig webConfig : webConfigList) {
             final String sid = crawlingConfigHelper.store(sessionId, webConfig);
@@ -184,7 +184,7 @@ public class WebFsIndexHelper implements Serializable {
                 final EsUrlFilterService urlFilterService = ComponentUtil.getComponent(EsUrlFilterService.class);
                 try {
                     urlFilterService.delete(sid);
-                } catch (Exception e) {
+                } catch (final Exception e) {
                     logger.warn("Failed to delete url filters for " + sid);
                 }
             }
@@ -301,7 +301,7 @@ public class WebFsIndexHelper implements Serializable {
                 final EsUrlFilterService urlFilterService = ComponentUtil.getComponent(EsUrlFilterService.class);
                 try {
                     urlFilterService.delete(sid);
-                } catch (Exception e) {
+                } catch (final Exception e) {
                     logger.warn("Failed to delete url filters for " + sid);
                 }
             }
@@ -514,7 +514,7 @@ public class WebFsIndexHelper implements Serializable {
         try {
             // clear url filter
             urlFilterService.delete(sid);
-        } catch (Exception e) {
+        } catch (final Exception e) {
             logger.warn("Failed to delete UrlFilter for " + sid, e);
         }
 
@@ -522,14 +522,14 @@ public class WebFsIndexHelper implements Serializable {
             // clear queue
             urlQueueService.clearCache();
             urlQueueService.delete(sid);
-        } catch (Exception e) {
+        } catch (final Exception e) {
             logger.warn("Failed to delete UrlQueue for " + sid, e);
         }
 
         try {
             // clear
             dataService.delete(sid);
-        } catch (Exception e) {
+        } catch (final Exception e) {
             logger.warn("Failed to delete AccessResult for " + sid, e);
         }
     }

src/main/java/org/codelibs/fess/indexer/IndexUpdater.java

@@ -107,6 +107,7 @@ public class IndexUpdater extends Thread {
         // nothing
     }
 
+    @Override
     @PreDestroy
     public void destroy() {
         if (!finishCrawling) {
@@ -220,7 +221,7 @@ public class IndexUpdater extends Thread {
                         if (arList.isEmpty()) {
                             try {
                                 Thread.sleep(fessConfig.getIndexerWebfsCommitMarginTimeAsInteger().longValue());
-                            } catch (Exception e) {
+                            } catch (final Exception e) {
                                 // ignore
                             }
                             cleanupTime = -1;

src/main/java/org/codelibs/fess/job/CrawlJob.java

@@ -142,12 +142,12 @@ public class CrawlJob {
         return jvmOptions(REMOTE_DEBUG_OPTIONS);
     }
 
-    public CrawlJob jvmOptions(String option) {
+    public CrawlJob jvmOptions(final String option) {
         this.jvmOptions = option;
         return this;
     }
 
-    public CrawlJob lastaEnv(String env) {
+    public CrawlJob lastaEnv(final String env) {
         this.lastaEnv = env;
         return this;
     }
@@ -246,7 +246,7 @@ public class CrawlJob {
     }
 
     protected void executeCrawler() {
-        final List<String> cmdList = new ArrayList<String>();
+        final List<String> cmdList = new ArrayList<>();
         final String cpSeparator = SystemUtils.IS_OS_WINDOWS ? ";" : ":";
         final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
         final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

src/main/java/org/codelibs/fess/job/impl/GroovyExecutor.java

@@ -26,7 +26,7 @@ public class GroovyExecutor extends JobExecutor {
 
     @Override
     public Object execute(final String script) {
-        Map<String, Object> params = new HashMap<>();
+        final Map<String, Object> params = new HashMap<>();
         params.put("container", SingletonLaContainerFactory.getContainer());
         params.put("executor", this);
 

src/main/java/org/codelibs/fess/ldap/LdapManager.java

@@ -111,7 +111,7 @@ public class LdapManager {
     public String[] getRoles(final LdapUser ldapUser, final String bindDn, final String accountFilter) {
         final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
-        final List<String> roleList = new ArrayList<String>();
+        final List<String> roleList = new ArrayList<>();
 
         if (fessConfig.isLdapRoleSearchUserEnabled()) {
             roleList.add(systemHelper.getSearchRoleByUser(ldapUser.getName()));
@@ -180,7 +180,7 @@ public class LdapManager {
     }
 
     protected void setAttributeValue(final List<SearchResult> result, final String name, final Consumer<Object> consumer) {
-        List<Object> attrList = getAttributeValueList(result, name);
+        final List<Object> attrList = getAttributeValueList(result, name);
         if (!attrList.isEmpty()) {
             consumer.accept(attrList.get(0));
         }
@@ -206,7 +206,7 @@ public class LdapManager {
                 return attrList;
             }
             return Collections.emptyList();
-        } catch (NamingException e) {
+        } catch (final NamingException e) {
             throw new LdapOperationException("Failed to parse attribute values for " + name, e);
         }
     }
@@ -843,7 +843,7 @@ public class LdapManager {
 
     }
 
-    public void apply(Group group) {
+    public void apply(final Group group) {
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
         if (!fessConfig.isLdapAdminEnabled()) {
             return;
@@ -879,8 +879,8 @@ public class LdapManager {
         });
     }
 
-    protected void modifyGroupAttributes(Group group, Supplier<Hashtable<String, String>> adminEnv, String entryDN,
-            List<SearchResult> result, FessConfig fessConfig) {
+    protected void modifyGroupAttributes(final Group group, final Supplier<Hashtable<String, String>> adminEnv, final String entryDN,
+            final List<SearchResult> result, final FessConfig fessConfig) {
         final List<ModificationItem> modifyList = new ArrayList<>();
 
         final String attrGidNumber = fessConfig.getLdapAttrGidNumber();

src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java

@@ -114,7 +114,7 @@ public interface FessProp {
         @SuppressWarnings("unchecked")
         Map<String, String> map = (Map<String, String>) propMap.get(DEFAULT_SORT_VALUES);
         if (map == null) {
-            String value = getSystemProperty(Constants.DEFAULT_SORT_VALUE_PROPERTY);
+            final String value = getSystemProperty(Constants.DEFAULT_SORT_VALUE_PROPERTY);
             if (StringUtil.isBlank(value)) {
                 map = Collections.emptyMap();
             } else {
@@ -165,7 +165,7 @@ public interface FessProp {
         @SuppressWarnings("unchecked")
         Map<String, String> map = (Map<String, String>) propMap.get(DEFAULT_LABEL_VALUES);
         if (map == null) {
-            String value = getSystemProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY);
+            final String value = getSystemProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY);
             if (StringUtil.isBlank(value)) {
                 map = Collections.emptyMap();
             } else {
@@ -645,9 +645,9 @@ public interface FessProp {
                 if (values.length == 2) {
                     final String[] subValues = values[1].split(":");
                     if (subValues.length == 2) {
-                        return new Tuple3<String, String, String>(values[0], subValues[0], subValues[1]);
+                        return new Tuple3<>(values[0], subValues[0], subValues[1]);
                     } else {
-                        return new Tuple3<String, String, String>(values[0], values[1], Constants.MAPPING_TYPE_ARRAY);
+                        return new Tuple3<>(values[0], values[1], Constants.MAPPING_TYPE_ARRAY);
                     }
                 }
                 return null;
@@ -710,7 +710,7 @@ public interface FessProp {
             params = StreamUtil.of(getQueryLanguageMapping().split("\n")).filter(StringUtil::isNotBlank).map(v -> {
                 final String[] values = v.split("=");
                 if (values.length == 2) {
-                    return new Pair<String, String>(values[0], values[1]);
+                    return new Pair<>(values[0], values[1]);
                 }
                 return null;
             }).collect(Collectors.toMap(Pair::getFirst, d -> d.getSecond()));
@@ -854,14 +854,14 @@ public interface FessProp {
         return StreamUtil.of(getCrawlerFileProtocolsAsArray()).anyMatch(s -> url.startsWith(s));
     }
 
-    public default void processSearchPreference(SearchRequestBuilder searchRequestBuilder, OptionalThing<FessUserBean> userBean) {
+    public default void processSearchPreference(final SearchRequestBuilder searchRequestBuilder, final OptionalThing<FessUserBean> userBean) {
         userBean.map(user -> {
             if (user.hasRoles(getAuthenticationAdminRolesAsArray())) {
                 return Constants.SEARCH_PREFERENCE_PRIMARY;
             }
             return user.getUserId();
         }).ifPresent(p -> searchRequestBuilder.setPreference(p)).orElse(() -> LaRequestUtil.getOptionalRequest().map(r -> {
-            HttpSession session = r.getSession(false);
+            final HttpSession session = r.getSession(false);
             if (session != null) {
                 return session.getId();
             }

src/main/java/org/codelibs/fess/mylasta/direction/sponsor/FessApiFailureHook.java

@@ -71,7 +71,7 @@ public class FessApiFailureHook implements ApiFailureHook { // #change_it for ha
     //                                                                        Assist Logic
     //                                                                        ============
     protected JsonResponse<TooSimpleFailureBean> asJson(final TooSimpleFailureBean bean) {
-        return new JsonResponse<TooSimpleFailureBean>(bean);
+        return new JsonResponse<>(bean);
     }
 
     protected TooSimpleFailureBean createFailureBean(final ApiFailureResource resource) {

src/main/java/org/codelibs/fess/mylasta/direction/sponsor/FessMultipartRequestHandler.java

@@ -160,9 +160,9 @@ public class FessMultipartRequestHandler implements MultipartRequestHandler {
     //                                                                      Handling Parts
     //                                                                      ==============
     protected void prepareElementsHash() {
-        elementsText = new Hashtable<String, String[]>();
-        elementsFile = new Hashtable<String, MultipartFormFile>();
-        elementsAll = new Hashtable<String, Object>();
+        elementsText = new Hashtable<>();
+        elementsFile = new Hashtable<>();
+        elementsAll = new Hashtable<>();
     }
 
     protected List<FileItem> parseRequest(final HttpServletRequest request, final ServletFileUpload upload) throws FileUploadException {

src/main/java/org/codelibs/fess/screenshot/ScreenShotManager.java

@@ -54,13 +54,13 @@ public class ScreenShotManager {
 
     public int screenShotPathCacheSize = 10;
 
-    private final List<ScreenShotGenerator> generatorList = new ArrayList<ScreenShotGenerator>();
+    private final List<ScreenShotGenerator> generatorList = new ArrayList<>();
 
     public String imageExtention = "png";
 
     public int splitSize = 5;
 
-    private final BlockingQueue<ScreenShotTask> screenShotTaskQueue = new LinkedBlockingQueue<ScreenShotTask>();
+    private final BlockingQueue<ScreenShotTask> screenShotTaskQueue = new LinkedBlockingQueue<>();
 
     private boolean generating;
 
@@ -141,7 +141,7 @@ public class ScreenShotManager {
 
     public void storeRequest(final String queryId, final List<Map<String, Object>> documentItems) {
         final FessConfig fessConfig = ComponentUtil.getFessConfig();
-        final Map<String, String> dataMap = new HashMap<String, String>(documentItems.size());
+        final Map<String, String> dataMap = new HashMap<>(documentItems.size());
         for (final Map<String, Object> docMap : documentItems) {
             final String docid = (String) docMap.get(fessConfig.getIndexFieldDocId());
             final String screenShotPath = getImageFilename(docMap);
@@ -174,7 +174,7 @@ public class ScreenShotManager {
         Map<String, Map<String, String>> screenShotPathCache =
                 (Map<String, Map<String, String>>) session.getAttribute(Constants.SCREEN_SHOT_PATH_CACHE);
         if (screenShotPathCache == null) {
-            screenShotPathCache = new LruHashMap<String, Map<String, String>>(screenShotPathCacheSize);
+            screenShotPathCache = new LruHashMap<>(screenShotPathCacheSize);
             session.setAttribute(Constants.SCREEN_SHOT_PATH_CACHE, screenShotPathCache);
         }
         return screenShotPathCache;

src/main/java/org/codelibs/fess/screenshot/impl/BaseScreenShotGenerator.java

@@ -28,7 +28,7 @@ public abstract class BaseScreenShotGenerator implements ScreenShotGenerator {
     @Resource
     protected ServletContext application;
 
-    protected final Map<String, String> conditionMap = new HashMap<String, String>();
+    protected final Map<String, String> conditionMap = new HashMap<>();
 
     public int directoryNameLength = 5;
 

src/main/java/org/codelibs/fess/screenshot/impl/CommandGenerator.java

@@ -79,7 +79,7 @@ public class CommandGenerator extends BaseScreenShotGenerator {
         }
 
         final String outputPath = outputFile.getAbsolutePath();
-        final List<String> cmdList = new ArrayList<String>();
+        final List<String> cmdList = new ArrayList<>();
         for (final String value : commandList) {
             cmdList.add(value.replace("${url}", url).replace("${outputFile}", outputPath));
         }

src/main/java/org/codelibs/fess/util/ComponentUtil.java

@@ -126,8 +126,6 @@ public final class ComponentUtil {
 
     private static final String SAMBA_HELPER = "sambaHelper";
 
-    private static final String FTP_HELPER = "ftpHelper";
-
     private static final String VIEW_HELPER = "viewHelper";
 
     private static final String SYSTEM_HELPER = "systemHelper";
@@ -341,7 +339,7 @@ public final class ComponentUtil {
     public static <T> T getComponent(final Class<T> clazz) {
         try {
             return SingletonLaContainer.getComponent(clazz);
-        } catch (NullPointerException e) {
+        } catch (final NullPointerException e) {
             throw new ContainerNotAvailableException(e);
         }
     }
@@ -349,7 +347,7 @@ public final class ComponentUtil {
     public static <T> T getComponent(final String componentName) {
         try {
             return SingletonLaContainer.getComponent(componentName);
-        } catch (NullPointerException e) {
+        } catch (final NullPointerException e) {
             throw new ContainerNotAvailableException(e);
         }
     }
@@ -361,7 +359,7 @@ public final class ComponentUtil {
     public static boolean available() {
         try {
             return SingletonLaContainer.getComponent(SYSTEM_HELPER) != null;
-        } catch (Exception e) {
+        } catch (final Exception e) {
             // ignore
         }
         return false;