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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2018/10/17 18:15:44 UTC

svn commit: r1844142 - /pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java

Author: tilman
Date: Wed Oct 17 18:15:43 2018
New Revision: 1844142

URL: http://svn.apache.org/viewvc?rev=1844142&view=rev
Log:
PDFBOX-3017: avoid NPE

Modified:
    pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java

Modified: pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java?rev=1844142&r1=1844141&r2=1844142&view=diff
==============================================================================
--- pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java (original)
+++ pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java Wed Oct 17 18:15:43 2018
@@ -289,8 +289,15 @@ public final class ShowSignature
         System.out.println("certFromSignedData: " + certFromSignedData);
         try
         {
-            certFromSignedData.checkValidity(sig.getSignDate().getTime());
-            System.out.println("Certificate valid at signing time");
+            if (sig.getSignDate() != null)
+            {
+                certFromSignedData.checkValidity(sig.getSignDate().getTime());
+                System.out.println("Certificate valid at signing time");
+            }
+            else
+            {
+                System.err.println("Certificate cannot be verified without signing time");
+            }
         }
         catch (CertificateExpiredException ex)
         {