From 1e13c11061bc935d26802bc5eeec4c5ca701017f Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Tue, 13 Aug 2013 15:35:02 +0200
Subject: [PATCH] prevent NPE

---
 .../com/commafeed/frontend/rest/resources/CategoryREST.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/commafeed/frontend/rest/resources/CategoryREST.java b/src/main/java/com/commafeed/frontend/rest/resources/CategoryREST.java
index 10817bb9..8ec4a065 100644
--- a/src/main/java/com/commafeed/frontend/rest/resources/CategoryREST.java
+++ b/src/main/java/com/commafeed/frontend/rest/resources/CategoryREST.java
@@ -127,7 +127,7 @@ public class CategoryREST extends AbstractREST {
 		Date newerThanDate = newerThan == null ? null : new Date(Long.valueOf(newerThan));
 
 		List<Long> excludedIds = null;
-		if (excludedSubscriptionIds != null && !"null".equals(excludedSubscriptionIds)) {
+		if (StringUtils.isNotEmpty(excludedSubscriptionIds)) {
 			excludedIds = Lists.newArrayList();
 			for (String excludedId : excludedSubscriptionIds.split(",")) {
 				excludedIds.add(Long.valueOf(excludedId));