From 574a2b51f87bed18a94bc60e311539597be96193 Mon Sep 17 00:00:00 2001
From: bean5 <2052646+bean5@users.noreply.github.com>
Date: Fri, 16 Jul 2021 13:39:15 -0600
Subject: [PATCH] Close streams even if catch occurs (avoid memory leaks)

---
 .../main/java/com/csl/cs108library4a/Utility.java | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/cs108library4a/src/main/java/com/csl/cs108library4a/Utility.java b/cs108library4a/src/main/java/com/csl/cs108library4a/Utility.java
index c9f60e3..433e5ed 100644
--- a/cs108library4a/src/main/java/com/csl/cs108library4a/Utility.java
+++ b/cs108library4a/src/main/java/com/csl/cs108library4a/Utility.java
@@ -133,15 +133,20 @@ void debugFileClose() {
     }
     void debugFileEnable(boolean enable) { enableFileDebug = enable; }
     void writeDebug2File(String stringDebug) {
-        if (fileDebug != null && enableFileDebug) {
+        if (fileDebug != null && inventoring) {
+            FileOutputStream outputStreamDebug;
+            PrintWriter printWriterDebug;
             try {
-                FileOutputStream outputStreamDebug = new FileOutputStream(fileDebug, true);
-                PrintWriter printWriterDebug = new PrintWriter(new OutputStreamWriter(new BufferedOutputStream(outputStreamDebug), "UTF-8"));
+                outputStreamDebug = new FileOutputStream(fileDebug, true);
+                printWriterDebug = new PrintWriter(new OutputStreamWriter(new BufferedOutputStream(outputStreamDebug), "UTF-8"));
                 printWriterDebug.println(stringDebug);
-                printWriterDebug.flush(); printWriterDebug.close();
-                outputStreamDebug.close();
             } catch (Exception ex) {
             }
+            if(outputStreamDebug != null) outputStreamDebug.close();
+            if(printWriterDebug) {
+                printWriterDebug.flush();
+                printWriterDebug.close();
+            }
         }
     }
 }