PDFBOX-5861: avoid ClassCastException

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1919643 13f79535-47bb-0310-9956-ffa450edef68
apache · Aug 2, 2024 · 6997797 · 6997797
1 parent 2a0b6e8
commit 6997797
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Showing 4 changed files with 16 additions and 0 deletions.
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineCapStyle.java b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineCapStyle.java
@@ -45,6 +45,10 @@ public void process(Operator operator, List<COSBase> arguments) throws IOExcepti
         {
             throw new MissingOperandException(operator, arguments);
         }
+        if (!checkArrayTypesClass(arguments, COSNumber.class))
+        {
+            return;
+        }
         int lineCapStyle = ((COSNumber)arguments.get( 0 )).intValue();
         getContext().getGraphicsState().setLineCap(lineCapStyle);
     }

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineJoinStyle.java b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineJoinStyle.java
@@ -47,6 +47,10 @@ public void process(Operator operator, List<COSBase> arguments) throws IOExcepti
         {
             throw new MissingOperandException(operator, arguments);
         }
+        if (!checkArrayTypesClass(arguments, COSNumber.class))
+        {
+            return;
+        }
         int lineJoinStyle = ((COSNumber)arguments.get( 0 )).intValue();
         getContext().getGraphicsState().setLineJoin(lineJoinStyle);
     }

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineMiterLimit.java b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineMiterLimit.java
@@ -46,6 +46,10 @@ public void process(Operator operator, List<COSBase> arguments) throws IOExcepti
         {
             throw new MissingOperandException(operator, arguments);
         }
+        if (!checkArrayTypesClass(arguments, COSNumber.class))
+        {
+            return;
+        }
         COSNumber miterLimit = (COSNumber)arguments.get( 0 );
         getContext().getGraphicsState().setMiterLimit(miterLimit.floatValue());
     }

diff --git a/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineWidth.java b/pdfbox/src/main/java/org/apache/pdfbox/contentstream/operator/state/SetLineWidth.java
@@ -47,6 +47,10 @@ public void process(Operator operator, List<COSBase> arguments) throws IOExcepti
         {
             throw new MissingOperandException(operator, arguments);
         }
+        if (!checkArrayTypesClass(arguments, COSNumber.class))
+        {
+            return;
+        }
         COSNumber width = (COSNumber) arguments.get(0);
         getContext().getGraphicsState().setLineWidth(width.floatValue());
     }