From 1b9a5e06165697ab36a3718887a10a9fc16ffb03 Mon Sep 17 00:00:00 2001
From: Tobi Delbruck <Tobi Delbruck@tobidh87>
Date: Wed, 15 May 2024 14:55:13 +0200
Subject: [PATCH] added commented code to determine preference location to
 debug why new install does not use my old prefs.

---
 src/net/sf/jaer/graphics/AEViewer.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/net/sf/jaer/graphics/AEViewer.java b/src/net/sf/jaer/graphics/AEViewer.java
index 136ef56d0..49f0fc9be 100644
--- a/src/net/sf/jaer/graphics/AEViewer.java
+++ b/src/net/sf/jaer/graphics/AEViewer.java
@@ -381,6 +381,10 @@ public AEViewer(JAERViewer jaerViewer, String chipClassName) {
         Logger.getLogger("").addHandler(loggingHandler);
 
         log.info("AEViewer starting up...");
+        
+        // log prefs info to debug location of prefs
+        // unfortunately this returns null always, seems no way to find out
+//        log.info(String.format("Preferences storage is located at %s",System.getProperty("java.util.prefs.userRoot")));
 
         if (chipClassName == null) {
             aeChipClassName = prefs.get("AEViewer.aeChipClassName", DEFAULT_CHIP_CLASS);