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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2021/10/20 17:25:26 UTC

svn commit: r1894413 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java

Author: tilman
Date: Wed Oct 20 17:25:26 2021
New Revision: 1894413

URL: http://svn.apache.org/viewvc?rev=1894413&view=rev
Log:
PDFBOX-5297: avoid ClassCastException

Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java?rev=1894413&r1=1894412&r2=1894413&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/form/PDVariableText.java Wed Oct 20 17:25:26 2021
@@ -72,7 +72,13 @@ public abstract class PDVariableText ext
      */
     public String getDefaultAppearance()
     {
-        COSString defaultAppearance = (COSString) getInheritableAttribute(COSName.DA);
+        COSBase base = getInheritableAttribute(COSName.DA);
+        COSString defaultAppearance;
+        if (!(base instanceof COSString))
+        {
+            return null;
+        }
+        defaultAppearance = (COSString) base;
         return defaultAppearance.getString();
     }