From: PJ Fanning <fanningpj@apache.org>
Date: Fri, 19 Oct 2018 07:43:04 +0000 (+0000)
Subject: fix class cast issur recently introduced in BaseXSSFFormulaEvaluator
X-Git-Tag: REL_4_0_1~51
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=59ee53ca71cc2e97c77f43bb92e6e0c6ed1af4e6;p=poi.git

fix class cast issur recently introduced in BaseXSSFFormulaEvaluator

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1844311 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/BaseXSSFFormulaEvaluator.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/BaseXSSFFormulaEvaluator.java
index 0e41e50cb5..bbad20e518 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/BaseXSSFFormulaEvaluator.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/BaseXSSFFormulaEvaluator.java
@@ -73,9 +73,14 @@ public abstract class BaseXSSFFormulaEvaluator extends BaseFormulaEvaluator {
     }
     
     protected void setCellType(Cell cell, CellType cellType) {
-        EvaluationWorkbook evaluationWorkbook = getEvaluationWorkbook();
-        BaseXSSFEvaluationWorkbook xewb = BaseXSSFEvaluationWorkbook.class.isAssignableFrom(evaluationWorkbook.getClass()) ? (BaseXSSFEvaluationWorkbook) evaluationWorkbook : null;
-        
-        ((XSSFCell) cell).setCellType(cellType, xewb);
+        if (cell instanceof  XSSFCell) {
+            EvaluationWorkbook evaluationWorkbook = getEvaluationWorkbook();
+            BaseXSSFEvaluationWorkbook xewb = BaseXSSFEvaluationWorkbook.class.isAssignableFrom(evaluationWorkbook.getClass()) ? (BaseXSSFEvaluationWorkbook) evaluationWorkbook : null;
+
+            ((XSSFCell) cell).setCellType(cellType, xewb);
+        } else {
+            // could be an SXSSFCell
+            cell.setCellType(cellType);
+        }
     }
 }