Guard empty printer tray names

Closes qzind#904
dilpreetsinghofficial · Jan 7, 2022 · 4c7d33f · 4c7d33f
1 parent 6568249
commit 4c7d33f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/qz/printer/PrintOptions.java b/src/qz/printer/PrintOptions.java
@@ -314,6 +314,10 @@ public PrintOptions(JSONObject configOpts, PrintOutput output, PrintingUtilities
         }
         if (!configOpts.isNull("printerTray")) {
             psOptions.printerTray = configOpts.optString("printerTray", null);
+            // Guard empty string value; will break pattern matching
+            if(psOptions.printerTray != null && psOptions.printerTray.trim().equals("")) {
+                psOptions.printerTray = null;
+            }
         }
         if (!configOpts.isNull("rasterize")) {
             try { psOptions.rasterize = configOpts.getBoolean("rasterize"); }