Add more NPE guards for default printer

Closes qzind#948
zerooito · Mar 25, 2022 · 2442cd2 · 2442cd2
1 parent 1123c78
commit 2442cd2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/qz/printer/PrintServiceMatcher.java b/src/qz/printer/PrintServiceMatcher.java
@@ -50,6 +50,10 @@ public static NativePrinterMap getNativePrinterList() {
     public static NativePrinter getDefaultPrinter() {
         PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
 
+        if(defaultService == null) {
+            return null;
+        }
+
         NativePrinterMap printers = NativePrinterMap.getInstance();
         if (!printers.contains(defaultService)) {
             printers.putAll(defaultService);