Begin network rewrite

Main/src/main/java/com/chameleonvision/util/FileHelper.java

@@ -0,0 +1,25 @@
+package com.chameleonvision.util;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class FileHelper {
+    private FileHelper() {} // no construction, utility class
+
+    public static void CheckPath(String path) {
+        if (path.equals("")) return;
+        Path realPath = Path.of(path);
+        CheckPath(realPath);
+    }
+
+    public static void CheckPath(Path path) {
+        if (!Files.exists(path)) {
+            try {
+                Files.createDirectories(path);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}