From c68df0bab264d6151c2055c80fcff2cfe898d982 Mon Sep 17 00:00:00 2001
From: Mike Thomas <mthomas@threerings.net>
Date: Thu, 15 Nov 2007 18:28:20 +0000
Subject: [PATCH] If the directory is missing/empty, don't fail to get the last
 modification date.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@350 ed5b42cb-e716-0410-a449-f6a68f950b19
---
 src/java/com/threerings/util/FileUtil.java | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/java/com/threerings/util/FileUtil.java b/src/java/com/threerings/util/FileUtil.java
index 5db6e773..59f12d5f 100644
--- a/src/java/com/threerings/util/FileUtil.java
+++ b/src/java/com/threerings/util/FileUtil.java
@@ -31,11 +31,14 @@ public class FileUtil
     public static long getOldestLastModified (File dir)
     {
         long oldest = dir.lastModified();
-        for (File file : dir.listFiles()) {
-            if (file.isDirectory()) {
-                oldest = Math.min(oldest, getOldestLastModified(file));
-            } else {
-                oldest = Math.min(oldest, file.lastModified());
+        File[] files = dir.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isDirectory()) {
+                    oldest = Math.min(oldest, getOldestLastModified(file));
+                } else {
+                    oldest = Math.min(oldest, file.lastModified());
+                }
             }
         }
         return oldest;