From 85212023d6a812f4caffa46d8572cbb1c886c644 Mon Sep 17 00:00:00 2001
From: PJ Fanning <fanningpj@apache.org>
Date: Sun, 11 May 2025 13:26:06 +0000
Subject: [PATCH] try to avoid class cast issues

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1925500 13f79535-47bb-0310-9956-ffa450edef68
---
 .../poi/xssf/usermodel/XSSFTextParagraph.java       | 13 ++++++++++---
 .../org/apache/poi/xssf/usermodel/XSSFTextRun.java  | 10 +++++++++-
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
index 7878e63028..a39ab3a009 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
@@ -578,9 +578,16 @@ public class XSSFTextParagraph implements Iterable<XSSFTextRun>{
         if(lnSpc > 0) {
             // check if the percentage value is scaled
             CTTextNormalAutofit normAutofit = _shape.getTxBody().getBodyPr().getNormAutofit();
-            if(normAutofit != null) {
-                double scale = 1 - (double)normAutofit.getLnSpcReduction() / 100000;
-                lnSpc *= scale;
+            if(normAutofit != null && normAutofit.isSetLnSpcReduction()) {
+                final Object lnSpcReduction = normAutofit.getLnSpcReduction();
+                final int divisor = 100000;
+                if (lnSpcReduction instanceof Number) {
+                    double scale = 1 - ((Number) lnSpcReduction).doubleValue() / divisor;
+                    lnSpc *= scale;
+                } else if (lnSpcReduction instanceof String) {
+                    double scale = 1 - Double.parseDouble((String) lnSpcReduction) / divisor;
+                    lnSpc *= scale;
+                }
             }
         }
 
diff --git a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextRun.java b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextRun.java
index 97891a30ee..9768aafffc 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextRun.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextRun.java
@@ -130,7 +130,15 @@ public class XSSFTextRun {
         double scale = 1;
         double size = XSSFFont.DEFAULT_FONT_SIZE;   // default font size
         CTTextNormalAutofit afit = getParentParagraph().getParentShape().getTxBody().getBodyPr().getNormAutofit();
-        if(afit != null) scale = (double)afit.getFontScale() / 100000;
+        if (afit != null && afit.isSetFontScale()) {
+            final Object fs = afit.getFontScale();
+            final int divisor = 100000;
+            if (fs instanceof Number) {
+                scale = ((Number) fs).doubleValue() / divisor;
+            } else if (fs instanceof String) {
+                scale = Double.parseDouble((String) fs) / divisor;
+            }
+        }
 
         CTTextCharacterProperties rPr = getRPrOrNull();
         if(rPr != null && rPr.isSetSz()){