From 8b881560dd8884e8e54e1e64654f79749d9ff456 Mon Sep 17 00:00:00 2001
From: Matthias Jaros <jarlucmat@mailbox.org>
Date: Mon, 13 Apr 2026 17:31:55 +0200
Subject: Renamed package from network_scanner to jscanner

---
 src/main/java/com/it_jaros/jscanner/App.java | 45 ++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/main/java/com/it_jaros/jscanner/App.java

(limited to 'src/main/java/com/it_jaros/jscanner/App.java')

diff --git a/src/main/java/com/it_jaros/jscanner/App.java b/src/main/java/com/it_jaros/jscanner/App.java
new file mode 100644
index 0000000..c94b2df
--- /dev/null
+++ b/src/main/java/com/it_jaros/jscanner/App.java
@@ -0,0 +1,45 @@
+package com.it_jaros.jscanner;
+
+import java.util.BitSet;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class App {
+    public static void main(String[] args) {
+        CliParser cliParser = new CliParser();
+        try {
+            ScanOptions options = cliParser.parseArgs(args);
+            Scanner scanner = new Scanner(options.openSocketLimit(), options.timeoutInMillis(),
+                    options.delayInMillis(), options.maxWorkersPerHost(), options.maxHostsLimit(), options.disableHostCheck());
+            printResults(scanner.scan(options), options.showFilteredPorts());
+        } catch (IllegalArgumentException e) {
+            System.out.printf("Error while parsing arguments: %s", e.getMessage());
+            cliParser.usageAndExit();
+        } catch (Exception e) {
+            System.out.printf("ERROR: %s", e.getMessage());
+        }
+    }
+
+    public static void printResults(List<ScanResult> results, boolean showFilteredPorts) {
+        results.forEach((ScanResult r) -> printResult(r, showFilteredPorts));
+    }
+
+    private static void printResult(ScanResult result, boolean showFilteredPorts) {
+        if (result.openPorts().isEmpty() && (!showFilteredPorts || result.filteredPorts().isEmpty())) {
+            return;
+        }
+
+        System.out.println(result.host());
+        if (!result.openPorts().isEmpty()) {
+            System.out.printf("\t (%d) open:\t%s%n", result.openPorts().cardinality(), map(result.openPorts()));
+        }
+        if (showFilteredPorts && !result.filteredPorts().isEmpty()) {
+            System.out.printf("\t (%d) filtered:\t%s%n", result.filteredPorts().cardinality(), map(result.filteredPorts()));
+        }
+        System.out.println();
+    }
+
+    private static String map(BitSet ports) {
+        return ports.stream().mapToObj(String::valueOf).collect(Collectors.joining(","));
+    }
+}
-- 
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