PDFBOX-5660: use convenience method

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1918988 13f79535-47bb-0310-9956-ffa450edef68
apache · Jul 7, 2024 · b184fc6 · b184fc6
1 parent 9593251
commit b184fc6
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java b/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java
@@ -367,10 +367,9 @@ public void addSignature(PDSignature sigObject, SignatureInterface signatureInte
         }
 
         PDSignatureField signatureField = null;
-        COSBase cosFieldBase = acroForm.getCOSObject().getDictionaryObject(COSName.FIELDS);
-        if (cosFieldBase instanceof COSArray)
+        COSArray fieldArray = acroForm.getCOSObject().getCOSArray(COSName.FIELDS);
+        if (fieldArray != null)
         {
-            COSArray fieldArray = (COSArray) cosFieldBase;
             fieldArray.setNeedToBeUpdated(true);
             signatureField = findSignatureField(acroForm.getFieldIterator(), sigObject);
         }