chore: Improvements made by Codex

Author: exadmin

src/main/java/com/github/exadmin/cyberferret/CyberFerretApp.java

@@ -18,6 +18,7 @@
 public class CyberFerretApp extends Application {
     private static final Logger log = LoggerFactory.getLogger(CyberFerretApp.class);
     private static final String APPLICATION_PERSISTENT_CONTEXT_FILENAME = "app.properties";
+    private static final String VERSION_PROPERTIES_RESOURCE = "/version.properties";
 
     @Override
     public void start(Stage stage) {
@@ -54,13 +55,17 @@ public static void main(String[] args) {
 
     private String loadApplicationVersion() {
         Properties props = new Properties();
-        try (InputStream input = getClass().getResourceAsStream("/version.properties")) {
+        try (InputStream input = getClass().getResourceAsStream(VERSION_PROPERTIES_RESOURCE)) {
+            if (input == null) {
+                log.error("Resource {} is not found on the classpath", VERSION_PROPERTIES_RESOURCE);
+                return "UNDEFINED";
+            }
             props.load(input);
             return props.getProperty("application.version");
-        } catch (IOException | NullPointerException ex) {
-            log.error("Error while loading {}", "/version.properties", ex);
+        } catch (IOException ex) {
+            log.error("Error while loading {}", VERSION_PROPERTIES_RESOURCE, ex);
         }
 
         return "UNDEFINED";
     }
-}
+}

src/main/java/com/github/exadmin/cyberferret/CyberFerretCLI.java

@@ -11,6 +11,7 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
+import java.util.Locale;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 
@@ -65,7 +66,7 @@ public static void main(String[] args) throws Exception {
             log.warn("***** *****");
 
             // check if next directory is a fork - to skip it
-            String subDirName = subDir.getFileName().toString().toLowerCase();
+            String subDirName = subDir.getFileName().toString().toLowerCase(Locale.ROOT);
             if (FORKED_REPOSITORIES.contains(subDirName)) {
                 log.info("Skipping forked repository {}", subDirName);
                 continue;

src/main/java/com/github/exadmin/cyberferret/async/RunnableScanner.java

@@ -225,8 +225,6 @@ private void scan(FoundPathItem pathItem, Path rootDir, ExcludeFileModel exclude
         Path filePath = pathItem.getFilePath();
         String fileBody;
         try {
-            System.out.println("Reading file " + filePath);
-
             log.info("Reading file {}", filePath);
             fileBody = FileUtils.readFile(filePath);
         } catch (IOException ex) {

src/main/java/com/github/exadmin/cyberferret/utils/ImgUtils.java

@@ -10,6 +10,7 @@
 
 import java.io.IOException;
 import java.nio.file.Path;
+import java.util.Locale;
 
 /**
  * Utility class for extracting metadata from image files (PNG, JPEG, etc.)
@@ -104,7 +105,7 @@ public static boolean isSupportedImageFormat(String extension) {
             return false;
         }
 
-        String ext = extension.toLowerCase();
+        String ext = extension.toLowerCase(Locale.ROOT);
         return ext.equals("png") ||
                ext.equals("jpg") ||
                ext.equals("jpeg") ||