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From til...@apache.org
Subject svn commit: r1674945 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java
Date Mon, 20 Apr 2015 17:09:28 GMT
Author: tilman
Date: Mon Apr 20 17:09:27 2015
New Revision: 1674945

URL: http://svn.apache.org/r1674945
Log:
PDFBOX-2716: throw IllegalStateException instead of NPE if saveIncremental() called after
loading from a stream instead of a file

Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java?rev=1674945&r1=1674944&r2=1674945&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java Mon Apr 20
17:09:27 2015
@@ -968,13 +968,18 @@ public class PDDocument implements Close
     }
 
    /**
-     * Save the PDF as an incremental update.
+     * Save the PDF as an incremental update. This is only possible if the PDF was loaded
from a file.
      *
      * @param output stream to write
      * @throws IOException if the output could not be written
+     * @throws IllegalStateException if the document was not loaded from a file.
      */
     public void saveIncremental(OutputStream output) throws IOException
     {
+        if (incrementalFile == null)
+        {
+            throw new IllegalStateException("Incremental save is only possible if the document
was loaded from a file");
+        }
         InputStream input = new RandomAccessBufferedFileInputStream(incrementalFile);
         COSWriter writer = null;
         try



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