From 44a2e87f8197797d855672d885f61ab5382b34b5 Mon Sep 17 00:00:00 2001
From: Connor Tumbleson <connor.tumbleson@gmail.com>
Date: Sat, 11 Apr 2020 06:50:09 -0400
Subject: [PATCH] refactor: support more random suffix to prevent multi-thread
 crash

---
 brut.j.util/src/main/java/brut/util/Jar.java | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/brut.j.util/src/main/java/brut/util/Jar.java b/brut.j.util/src/main/java/brut/util/Jar.java
index eb0bffcc..96499001 100644
--- a/brut.j.util/src/main/java/brut/util/Jar.java
+++ b/brut.j.util/src/main/java/brut/util/Jar.java
@@ -85,19 +85,16 @@ abstract public class Jar {
             if (in == null) {
                 throw new FileNotFoundException(resourcePath);
             }
-            long n = ThreadLocalRandom.current().nextLong();
-            if (n == Long.MIN_VALUE) {
-                n = 0;      // corner case
-            } else {
-                n = Math.abs(n);
-            }
-            String suffix = Long.toString(n) + ".tmp";
-            File fileOut = File.createTempFile(tmpPrefix, suffix);
+            long suffix = ThreadLocalRandom.current().nextLong();
+            suffix = suffix == Long.MIN_VALUE ? 0 : Math.abs(suffix);
+            File fileOut = File.createTempFile(tmpPrefix, suffix + ".tmp");
             fileOut.deleteOnExit();
+
             OutputStream out = new FileOutputStream(fileOut);
             IOUtils.copy(in, out);
             in.close();
             out.close();
+
             return fileOut;
         } catch (IOException ex) {
             throw new BrutException("Could not extract resource: " + resourcePath, ex);