♻️ Minor refactoring

Author: ujibang

.gitignore

@@ -286,6 +286,4 @@ $RECYCLE.BIN/
 ### infer ###
 # infer- http://fbinfer.com/
 infer-out
-/commons/nbproject/
-
-rebel.xml
+/commons/nbproject/

commons/src/main/java/org/restheart/utils/DirectoryWatcher.java

@@ -20,14 +20,13 @@
  */
 package org.restheart.utils;
 
-import static java.nio.file.StandardWatchEventKinds.ENTRY_CREATE;
-import static java.nio.file.StandardWatchEventKinds.ENTRY_DELETE;
-import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
-
 import java.io.IOException;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import static java.nio.file.StandardWatchEventKinds.ENTRY_CREATE;
+import static java.nio.file.StandardWatchEventKinds.ENTRY_DELETE;
+import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
 import java.nio.file.WatchEvent;
 import java.nio.file.WatchEvent.Kind;
 import java.nio.file.WatchKey;
@@ -78,6 +77,7 @@ private void registerDirectoryAndSubdirectories(Path dir) throws IOException {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void run() {
         while (true) {
             WatchKey key;

core/src/main/java/org/restheart/services/PingService.java

@@ -54,21 +54,21 @@ public void setup() {
     @Override
     public void handle(final ByteArrayRequest request, final ByteArrayResponse response) throws Exception {
         if (request.isGet()) {
-            final StringBuilder pingMessageBuilder = new StringBuilder();
+            final var pingMessageBuilder = new StringBuilder();
             if (this.isExtendedResponseEnabled) {
                 pingMessageBuilder.append("{\"message\": \"")
-                        .append(msg)
-                        .append("\", \"client_ip\": \"")
-                        .append(getClientIp(request.getExchange()))
-                        .append("\", \"host\": \"")
-                        .append(getHostHeader(request.getExchange()))
-                        .append("\", \"version\": \"")
-                        .append(VERSION)
-                        .append("\"}");
+                    .append(msg)
+                    .append("\", \"client_ip\": \"")
+                    .append(getClientIp(request.getExchange()))
+                    .append("\", \"host\": \"")
+                    .append(getHostHeader(request.getExchange()))
+                    .append("\", \"version\": \"")
+                    .append(VERSION)
+                    .append("\"}");
             } else {
                 pingMessageBuilder.append("{\"message\": \"")
-                        .append(msg)
-                        .append("\"}");
+                    .append(msg)
+                    .append("\"}");
             }
 
             final String pingMessage = pingMessageBuilder.toString();