From 79b58654ca744e001d635c9918496f459c1a1a5b Mon Sep 17 00:00:00 2001
From: Reinhard Pointner <rednoah@users.noreply.github.com>
Date: Mon, 17 Sep 2012 15:22:23 +0000
Subject: [PATCH] * fix type panel NPE that crashed it

---
 source/net/sourceforge/filebot/ui/analyze/TypeTool.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/source/net/sourceforge/filebot/ui/analyze/TypeTool.java b/source/net/sourceforge/filebot/ui/analyze/TypeTool.java
index 20da771f..16e5f171 100644
--- a/source/net/sourceforge/filebot/ui/analyze/TypeTool.java
+++ b/source/net/sourceforge/filebot/ui/analyze/TypeTool.java
@@ -49,10 +49,13 @@ class TypeTool extends Tool<TreeModel> {
 		
 		for (Iterator<File> iterator = sourceModel.fileIterator(); iterator.hasNext();) {
 			File file = iterator.next();
-			String extension = FileUtilities.getExtension(file).toLowerCase();
+			
+			String extension = FileUtilities.getExtension(file);
+			if (extension != null) {
+				extension = extension.toLowerCase();
+			}
 			
 			List<File> files = map.get(extension);
-			
 			if (files == null) {
 				files = new ArrayList<File>(50);
 				map.put(extension, files);