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Merge pull request #8414 from SunilJain95/master 

BAEL-3658: Read actual cell value rather than the formula that is evaluating it
This commit is contained in:
Eric Martin 2020-01-04 09:32:32 -06:00 committed by GitHub
parent d5681eb57c 01a4b4b8a6
commit 670a4baa6f
4 changed files with 123 additions and 1 deletions
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2
apache-poi/pom.xml
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@ -32,7 +32,7 @@
</dependencies>
<properties>
<poi.version>3.15</poi.version>
<poi.version>4.1.1</poi.version>
<jexcel.version>1.0.6</jexcel.version>
</properties>

83
apache-poi/src/main/java/com/baeldung/poi/excel/read/cellvalueandnotformula/CellValueAndNotFormulaHelper.java Normal file
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@ -0,0 +1,83 @@
package com.baeldung.poi.excel.read.cellvalueandnotformula;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class CellValueAndNotFormulaHelper {
public Object getCellValueByFetchingLastCachedValue(String fileLocation, String cellLocation) throws IOException {
Object cellValue = new Object();
FileInputStream inputStream = new FileInputStream(new File(fileLocation));
Workbook workbook = new XSSFWorkbook(inputStream);
Sheet sheet = workbook.getSheetAt(0);
CellAddress cellAddress = new CellAddress(cellLocation);
Row row = sheet.getRow(cellAddress.getRow());
Cell cell = row.getCell(cellAddress.getColumn());
if (cell.getCellType() == CellType.FORMULA) {
switch (cell.getCachedFormulaResultType()) {
case BOOLEAN:
cellValue = cell.getBooleanCellValue();
break;
case NUMERIC:
cellValue = cell.getNumericCellValue();
break;
case STRING:
cellValue = cell.getStringCellValue();
break;
default:
cellValue = null;
}
}
workbook.close();
return cellValue;
}
public Object getCellValueByEvaluatingFormula(String fileLocation, String cellLocation) throws IOException {
Object cellValue = new Object();
FileInputStream inputStream = new FileInputStream(new File(fileLocation));
Workbook workbook = new XSSFWorkbook(inputStream);
Sheet sheet = workbook.getSheetAt(0);
FormulaEvaluator evaluator = workbook.getCreationHelper()
.createFormulaEvaluator();
CellAddress cellAddress = new CellAddress(cellLocation);
Row row = sheet.getRow(cellAddress.getRow());
Cell cell = row.getCell(cellAddress.getColumn());
if (cell.getCellType() == CellType.FORMULA) {
switch (evaluator.evaluateFormulaCell(cell)) {
case BOOLEAN:
cellValue = cell.getBooleanCellValue();
break;
case NUMERIC:
cellValue = cell.getNumericCellValue();
break;
case STRING:
cellValue = cell.getStringCellValue();
break;
default:
cellValue = null;
}
}
workbook.close();
return cellValue;
}
}

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apache-poi/src/main/resources/test.xlsx Normal file
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39
apache-poi/src/test/java/com/baeldung/poi/excel/read/cellvalueandnotformula/CellValueAndNotFormulaUnitTest.java Normal file
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package com.baeldung.poi.excel.read.cellvalueandnotformula;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import org.junit.Before;
import org.junit.Test;
public class CellValueAndNotFormulaUnitTest {
private CellValueAndNotFormulaHelper readCellValueAndNotFormulaHelper;
private String fileLocation;
private static final String FILE_NAME = "test.xlsx";
@Before
public void setup() throws URISyntaxException {
fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME).toURI()).toString();
readCellValueAndNotFormulaHelper = new CellValueAndNotFormulaHelper();
}
@Test
public void givenExcelCell_whenReadCellValueByLastCachedValue_thenProduceCorrectResult() throws IOException {
final double expectedResult = 7.0;
final Object cellValue = readCellValueAndNotFormulaHelper.getCellValueByFetchingLastCachedValue(fileLocation, "C2");
assertEquals(expectedResult, cellValue);
}
@Test
public void givenExcelCell_whenReadCellValueByEvaluatingFormula_thenProduceCorrectResult() throws IOException {
final double expectedResult = 7.0;
final Object cellValue = readCellValueAndNotFormulaHelper.getCellValueByEvaluatingFormula(fileLocation, "C2");
assertEquals(expectedResult, cellValue);
}
}