Author: tilman
Date: Fri Jun 14 08:27:53 2024
New Revision: 1918313
URL: http://svn.apache.org/viewvc?rev=1918313&view=rev
Log:
PDFBOX-5839: avoid ClassCastException and NPE
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/optionalcontent/PDOptionalContentProperties.java
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/optionalcontent/PDOptionalContentProperties.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/optionalcontent/PDOptionalContentProperties.java?rev=1918313&r1=1918312&r2=1918313&view=diff
==============================================================================
---
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/optionalcontent/PDOptionalContentProperties.java
(original)
+++
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/optionalcontent/PDOptionalContentProperties.java
Fri Jun 14 08:27:53 2024
@@ -149,6 +149,10 @@ public class PDOptionalContentProperties
for (COSBase o : ocgs)
{
COSDictionary ocg = toDictionary(o);
+ if (ocg == null)
+ {
+ continue;
+ }
String groupName = ocg.getString(COSName.NAME);
if (groupName.equals(name))
{
@@ -268,6 +272,10 @@ public class PDOptionalContentProperties
for (COSBase o : ocgs)
{
COSDictionary ocg = toDictionary(o);
+ if (ocg == null)
+ {
+ continue;
+ }
String name = ocg.getString(COSName.NAME);
if (groupName.equals(name) && isGroupEnabled(new
PDOptionalContentGroup(ocg)))
{
@@ -328,14 +336,20 @@ public class PDOptionalContentProperties
private COSDictionary toDictionary(COSBase o)
{
+ COSBase base;
if (o instanceof COSObject)
{
- return (COSDictionary)((COSObject)o).getObject();
+ base = ((COSObject) o).getObject();
}
else
{
- return (COSDictionary)o;
+ base = o;
}
+ if (base instanceof COSDictionary)
+ {
+ return (COSDictionary) base;
+ }
+ return null;
}
/**
@@ -353,6 +367,10 @@ public class PDOptionalContentProperties
for (COSBase o : ocgs)
{
COSDictionary ocg = toDictionary(o);
+ if (ocg == null)
+ {
+ continue;
+ }
String name = ocg.getString(COSName.NAME);
if (groupName.equals(name) && setGroupEnabled(new
PDOptionalContentGroup(ocg), enable))
{
