From 20fb82282b474d3b7165b7d858562213b881ccb2 Mon Sep 17 00:00:00 2001
From: Nihal Singh <nihalchauhan150@gmail.com>
Date: Thu, 30 Oct 2025 15:06:49 +0530
Subject: [PATCH] fix: prevent NPE by adding null check for JFileChooser
 initialization

---
 .../club/bytecodeviewer/gui/components/FileChooser.java      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/the/bytecode/club/bytecodeviewer/gui/components/FileChooser.java b/src/main/java/the/bytecode/club/bytecodeviewer/gui/components/FileChooser.java
index a658886ae..cbf9b42de 100644
--- a/src/main/java/the/bytecode/club/bytecodeviewer/gui/components/FileChooser.java
+++ b/src/main/java/the/bytecode/club/bytecodeviewer/gui/components/FileChooser.java
@@ -46,6 +46,11 @@ public static JFileChooser create(File file, String title, String description, S
     public static JFileChooser create(boolean skipFileFilter, File file, String title, String description, String... extensions) throws ExecutionException, InterruptedException
     {
         JFileChooser chooser = SINGLETON.get();
+        if (chooser == null) {
+            System.err.println("Error: JFileChooser not initialized properly — skipping export.");
+            return null;
+        }
+
 
         Set<String> extensionSet = new HashSet<>(Arrays.asList(extensions));