From: kiwiwings <kiwiwings@unknown>
Date: Wed, 21 Dec 2016 22:03:54 +0000 (+0000)
Subject: Fix 0-pointer on unset document
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=3ff9eb5f0de4cbda98392bc500ba55eb5ca8bafe;p=poi.git

Fix 0-pointer on unset document

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1775565 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/src/java/org/apache/poi/poifs/filesystem/DocumentNode.java b/src/java/org/apache/poi/poifs/filesystem/DocumentNode.java
index 7a5bf69009..fa49ae4900 100644
--- a/src/java/org/apache/poi/poifs/filesystem/DocumentNode.java
+++ b/src/java/org/apache/poi/poifs/filesystem/DocumentNode.java
@@ -134,7 +134,9 @@ public class DocumentNode
         List<Object> components = new ArrayList<Object>();
 
         components.add(getProperty());
-        components.add(_document);
+        if (_document != null) {
+            components.add(_document);
+        }
         return components.iterator();
     }