1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/java/com/it_jaros/network_scanner/App.java b/src/main/java/com/it_jaros/network_scanner/App.java
new file mode 100644
index 0000000..242ae54
--- /dev/null
+++ b/src/main/java/com/it_jaros/network_scanner/App.java
@@ -0,0 +1,36 @@
+package com.it_jaros.network_scanner;
+
+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());
+            printResults(scanner.scan(options));
+        } 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) {
+        results.forEach(App::printResult);
+    }
+
+    private static void printResult(ScanResult result) {
+        String ports = result.openPorts().stream().mapToObj(String::valueOf).collect(Collectors.joining(","));
+        String output = "[" + result.target() + "]:";
+        if (ports.isEmpty()) {
+            output = output + "No open ports found";
+        } else {
+            output = output + ports;
+        }
+        System.out.print(output + "\n");
+    }
+}