jscanner

commit 990db34eaf4f108db71a57184832ad75a8beaeac
parent f97bac7d89c170ef8b28c02ce08fc473460bc615
Author: Matthias Jaros <jaros@mailbox.org>
Date:   Thu,  2 Jul 2026 14:17:17 +0200

Minor fixes

Diffstat:
M
src/main/java/com/it_jaros/jscanner/CliDefaults.java
 | 
4
++++
M
src/main/java/com/it_jaros/jscanner/Scanner.java
 | 
4
++++

2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/it_jaros/jscanner/CliDefaults.java b/src/main/java/com/it_jaros/jscanner/CliDefaults.java
@@ -1,6 +1,10 @@
 package com.it_jaros.jscanner;
 
 public class CliDefaults {
+    private CliDefaults() {
+        /* This utility class should not be instantiated */
+    }
+
     public static final String PORTS = "1-1024";
     public static final boolean BANNER_RECOGNITION = false;
     public static final boolean DISABLE_HOST_CHECK = false;
diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java
@@ -83,6 +83,10 @@ public class Scanner implements AutoCloseable {
     }
 
     public List<ScanResult> runScan(Scan scan) {
+        if (scan == null) {
+            throw new IllegalArgumentException("Scan argument cannot be null");
+        }
+
         ScanState scanState = scan.state();
         scanState.getProgressBar().start();
         try (ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor()) {