svn commit: r1916636 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java

[lehmi]

Author: lehmi
Date: Fri Mar 29 16:35:22 2024
New Revision: 1916636

URL: http://svn.apache.org/viewvc?rev=1916636&view=rev
Log:
PDFBOX-5786: avoid NPE when a referenced object can't be dereferenced due to a 
malformed pdf as proposed by Tilman Hausherr

Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java

Modified: 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java
URL: 
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java?rev=1916636&r1=1916635&r2=1916636&view=diff
==============================================================================
--- 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java 
(original)
+++ 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/COSWriter.java 
Fri Mar 29 16:35:22 2024
@@ -1075,6 +1075,12 @@ public class COSWriter implements ICOSVi
             actual = ((COSObject) obj).getObject();
             if (actual == null)
             {
+                // the referenced object isn't there due to a malformed pdf
+                // check if a key is present, otherwise create a new one
+                if (key == null)
+                {
+                    key = new COSObjectKey(++number, 0);
+                }
                 objectKeys.put(obj, key);
                 return key;
             }